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Title: A set of fixes related to clang, aarch64 and musl pecularities of vmstructs stack unwinder by jbachorik · Pull Request #199 · DataDog/java-profiler · GitHub

Open Graph Title: A set of fixes related to clang, aarch64 and musl pecularities of vmstructs stack unwinder by jbachorik · Pull Request #199 · DataDog/java-profiler

X Title: A set of fixes related to clang, aarch64 and musl pecularities of vmstructs stack unwinder by jbachorik · Pull Request #199 · DataDog/java-profiler

Description: Contribute to DataDog/java-profiler development by creating an account on GitHub.

Open Graph Description: What does this PR do?: It addresses the shortcomings of the current implementation of the vmstructs stack walker on aarch64, clang and musl and their combinations. Motivation: Iron out the last wri...

X Description: What does this PR do?: It addresses the shortcomings of the current implementation of the vmstructs stack walker on aarch64, clang and musl and their combinations. Motivation: Iron out the last wri...

Opengraph URL: https://github.com/DataDog/java-profiler/pull/199

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A set of fixes related to clang, aarch64 and musl pecularities of vmstructs stack unwinderhttps://github.com/DataDog/java-profiler/pull/199#top
jbachorikhttps://github.com/jbachorik
mainhttps://github.com/DataDog/java-profiler/tree/main
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https://github.com/jbachorik
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Mar 25, 2025https://github.com/DataDog/java-profiler/pull/199#issue-2947278719
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
PROF-11294https://datadoghq.atlassian.net/browse/PROF-11294?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ
PROF-11299https://datadoghq.atlassian.net/browse/PROF-11299?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
jbachorikhttps://github.com/jbachorik
March 22, 2025 16:55https://github.com/DataDog/java-profiler/pull/199#commits-pushed-29fd728
https://github.com/jbachorik
Use heuristic to get frame layout for aarch64https://github.com/DataDog/java-profiler/pull/199/commits/29fd72840c2c6cc1fc586a227b982dc2070eca65
29fd728https://github.com/DataDog/java-profiler/pull/199/commits/29fd72840c2c6cc1fc586a227b982dc2070eca65
https://github.com/jbachorik
Improve recovery from Java Anchor Framehttps://github.com/DataDog/java-profiler/pull/199/commits/433670efdc33102d148ac2bc92dbcd77cef6cc83
433670ehttps://github.com/DataDog/java-profiler/pull/199/commits/433670efdc33102d148ac2bc92dbcd77cef6cc83
https://github.com/jbachorik
Add and extend tests for vmstructs based stackwalkinghttps://github.com/DataDog/java-profiler/pull/199/commits/98f565dec019589228a0b38fd87049c6803572fc
98f565dhttps://github.com/DataDog/java-profiler/pull/199/commits/98f565dec019589228a0b38fd87049c6803572fc
https://github.com/jbachorik
Adjust for Musl signal trampolinehttps://github.com/DataDog/java-profiler/pull/199/commits/9c2aea939f71ae47f5bdc6e6739c411c0c6d417b
9c2aea9https://github.com/DataDog/java-profiler/pull/199/commits/9c2aea939f71ae47f5bdc6e6739c411c0c6d417b
https://github.com/jbachorik
Run non-crashy test configs firsthttps://github.com/DataDog/java-profiler/pull/199/commits/06b2efe946f1c482bdf930243c5ce60bceec2003
06b2efehttps://github.com/DataDog/java-profiler/pull/199/commits/06b2efe946f1c482bdf930243c5ce60bceec2003
https://github.com/jbachorik
Reduce crashiness and locking of testshttps://github.com/DataDog/java-profiler/pull/199/commits/0836db57a8e0f337eff3e45f22902082ff3fb85d
0836db5https://github.com/DataDog/java-profiler/pull/199/commits/0836db57a8e0f337eff3e45f22902082ff3fb85d
https://github.com/jbachorik
Use root symbolshttps://github.com/DataDog/java-profiler/pull/199/commits/4882ffd8e2545a1bd2c9f2dade0889f1178d397d
4882ffdhttps://github.com/DataDog/java-profiler/pull/199/commits/4882ffd8e2545a1bd2c9f2dade0889f1178d397d
https://github.com/jbachorik
Compensate for GH musl/x64 runner quirkshttps://github.com/DataDog/java-profiler/pull/199/commits/7a9a263b941ba0f26bd2749b7b95d035aac8251e
7a9a263https://github.com/DataDog/java-profiler/pull/199/commits/7a9a263b941ba0f26bd2749b7b95d035aac8251e
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Mar 25, 2025 https://github.com/DataDog/java-profiler/pull/199#pullrequestreview-2714612320
View reviewed changes https://github.com/DataDog/java-profiler/pull/199/files/7a9a263b941ba0f26bd2749b7b95d035aac8251e
ddprof-test/src/test/java/com/datadoghq/profiler/cpu/IOBoundCode.javahttps://github.com/DataDog/java-profiler/pull/199/files/7a9a263b941ba0f26bd2749b7b95d035aac8251e#diff-1997a0ec122b0b7762c8235902a262e442492127df0443944c0e90ad30f984f5
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
ddprof-test/src/test/java/com/datadoghq/profiler/cpu/IOBoundCode.javahttps://github.com/DataDog/java-profiler/pull/199/files/7a9a263b941ba0f26bd2749b7b95d035aac8251e#diff-1997a0ec122b0b7762c8235902a262e442492127df0443944c0e90ad30f984f5
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
ddprof-test/src/test/java/com/datadoghq/profiler/cpu/SmokeCpuTest.javahttps://github.com/DataDog/java-profiler/pull/199/files/7a9a263b941ba0f26bd2749b7b95d035aac8251e#diff-44ee0ff90b2b6c612c3484aa8f7d3acbe23cb1cf652945dd84bafd06e3b7afc0
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Quantityhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/Quantity#L7
https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/#L3
https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/#L1
https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/#L2
https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/#L1
vmStructs.cpphttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L902
javaApi.cpphttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/javaApi.cpp#L116
stackWalker.cpphttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L183
vmStructs.cpphttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L1007
safeAccess.hhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/safeAccess.h#L33
symbols_linux.hhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L171
flightRecorder.cpphttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1504
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
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Mar 25, 2025https://github.com/DataDog/java-profiler/pull/199#issuecomment-2752040266
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The class 'RecordingBuffer' defines member function with name 'flushIfNeeded' also defined in its parent class 'Buffer'.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/buffers.h#L234
Obsolete function 'alloca' called.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1594
Member variable 'ScopeDesc::_stream' is not initialized in the constructor.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L716
Member variable 'ScopeDesc::_method_offset' is not initialized in the constructor.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L716
Member variable 'ScopeDesc::_bci' is not initialized in the constructor.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L716
Member variable 'ElfParser::_vaddr_diff' is not initialized in the constructor.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L163
Either the condition 'vm_thread' is redundant or there is possible null pointer dereference: vm_thread.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.cpp#L198
The class 'NativeFunc' does not declare a constructor although it has private member variables which likely require initialization.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.h#L41
Class 'Arguments' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/arguments.h#L151
Local variable 'count' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.h#L206
Local variable 'jni' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L144
Variable 'cb1' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.h#L76
Variable 'cb2' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.h#L77
struct member 'Multiplier::symbol' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/arguments.h#L91
struct member 'Multiplier::multiplier' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/arguments.h#L92
class member 'Error::OK' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/arguments.h#L100
Class 'AsyncSampleMutex' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/asyncSampleMutex.h#L21
Class 'SpinLock' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/spinLock.h#L32
Local variable 'size' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.cpp#L27
Local variable 'prev' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.cpp#L52
Variable 'keys' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.cpp#L104
Parameter 'frames' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.cpp#L125
Parameter 'frames' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.cpp#L158
Variable 'keys' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.cpp#L177
struct member 'CallTrace::truncated' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.h#L30
struct member 'CallTrace::num_frames' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.h#L31
class member 'CallTraceStorage::_current_table' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.h#L65
class member 'CallTraceStorage::_overflow' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.h#L66
class member 'CallTraceStorage::_lock' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/callTraceStorage.h#L68
Local variable 'blob' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.cpp#L229
Local variable 'i' shadows outer variablehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.cpp#L257
Parameter 'prefixes' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.cpp#L247
Variable 'fd1' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L88
Variable 'fd2' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L89
Parameter 'name' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.cpp#L22
Consider using std::transform algorithm instead of a raw loop.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.cpp#L252
struct member 'Tag::value' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L27
class member 'Context::spanId' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L32
class member 'Context::rootSpanId' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L33
class member 'Context::checksum' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L34
struct member 'ContextPage::capacity' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L46
struct member 'ContextPage::storage' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L47
class member 'Contexts::_max_pages' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L53
class member 'Contexts::_pages' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/context.h#L54
The function 'check' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/ctimer.h#L63
The function 'start' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/ctimer.h#L67
class member 'Shims::_tid_setter_ref' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/debugSupport.h#L9
Class 'Dictionary' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dictionary.h#L66
struct member 'DictRow::keys' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dictionary.h#L33
struct member 'DictRow::next' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dictionary.h#L34
Operator '|' with one operand equal to zero is redundant.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.cpp#L87
Operator '|' with one operand equal to zero is redundant.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.cpp#L89
Local variable 'table' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.cpp#L138
Local variable 'pc_off' shadows outer variablehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.cpp#L299
Variable 'table' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.cpp#L138
Operator '|' with one operand equal to zero is redundant.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.cpp#L92
struct member 'FrameDesc::cfa' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L79
struct member 'FrameDesc::fp_off' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L80
struct member 'FrameDesc::pc_off' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L81
struct member 'FrameDesc::empty_frame' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L83
struct member 'FrameDesc::default_frame' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L84
struct member 'FrameDesc::default_clang_frame' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L85
class member 'DwarfParser::_name' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L96
class member 'DwarfParser::_image_base' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L97
class member 'DwarfParser::_capacity' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L100
class member 'DwarfParser::_prev' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L103
class member 'DwarfParser::_code_align' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L105
class member 'DwarfParser::_data_align' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/dwarf.h#L106
Class 'WallClockEpochEvent' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L85
class member 'LockEvent::_start_time' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L59
class member 'LockEvent::_end_time' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L60
class member 'LockEvent::_address' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L61
class member 'LockEvent::_timeout' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L62
class member 'ObjectLivenessEvent::_alloc' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L67
class member 'ObjectLivenessEvent::_skipped' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L68
class member 'ObjectLivenessEvent::_start_time' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L69
class member 'ObjectLivenessEvent::_age' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L70
class member 'ObjectLivenessEvent::_ctx' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L71
struct member 'QueueTimeEvent::_start' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L150
struct member 'QueueTimeEvent::_end' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L151
struct member 'QueueTimeEvent::_task' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L152
struct member 'QueueTimeEvent::_scheduler' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L153
struct member 'QueueTimeEvent::_origin' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L154
struct member 'QueueTimeEvent::_queueType' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L155
struct member 'QueueTimeEvent::_queueLength' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/event.h#L156
The class 'VirtualSpaceSummary' does not declare a constructor although it has private member variables which likely require initialization.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L26
The class 'GCHeapSummary' does not declare a constructor although it has private member variables which likely require initialization.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L40
The class 'CollectedHeap' does not declare a constructor although it has private member variables which likely require initialization.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L57
Class 'Element' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jfrMetadata.h#L119
Class 'NoField' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jfrMetadata.h#L155
Class 'MutexLocker' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/mutex.h#L54
Class 'MethodList' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L227
Class 'ScopeDesc' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L716
The function 'is_nofield' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jfrMetadata.h#L157
The function 'check' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/objectSampler.h#L63
The function 'start' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/objectSampler.h#L64
The function 'stop' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/objectSampler.h#L65
The function 'interval' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/objectSampler.h#L67
Condition 'enabled()' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/tsc.h#L63
Condition 'usage._maxSize==-1' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L668
Condition 'counters' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1238
Condition 'ihttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1240
Condition '!TSC::initialized()' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1434
The scope of the variable 'class_name_id' can be reduced.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L130
The scope of the variable 'method_name_id' can be reduced.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L131
The scope of the variable 'method_sig_id' can be reduced.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L132
Local variable 'start' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1597
Parameter 'frame' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L268
Variable 'strings' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L641
Parameter 'args' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L712
Parameter 'constants' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1205
Parameter 'ptr' can be declared as pointer to const. However it seems that 'load32' is a callback function, if 'ptr' is declared with const you might also need to cast function pointer(s).https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/safeAccess.h#L36
Variable 'methods' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L293
Parameter 'func' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L100
Variable 'counters' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1237
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1268
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1283
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1297
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1311
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1326
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1343
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1380
Parameter 'event' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L1396
Variable 'class_name_id' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L130
Variable 'method_name_id' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L131
Variable 'method_sig_id' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L132
Parameter 'ptr' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/safeAccess.h#L36
struct member 'CpuTime::real' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L55
struct member 'CpuTime::user' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L56
struct member 'CpuTime::system' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L57
struct member 'CpuTimes::proc' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L61
struct member 'CpuTimes::total' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L62
class member 'Recording::_agent_properties' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L124
class member 'Recording::_jvm_args' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L125
class member 'Recording::_jvm_flags' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L126
class member 'Recording::_java_command' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L127
class member 'Recording::_fd' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L130
class member 'Recording::_start_time' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L136
class member 'Recording::_recording_start_time' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L137
class member 'Recording::_start_ticks' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L138
class member 'Recording::_recording_start_ticks' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L139
class member 'Recording::_stop_time' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L140
class member 'Recording::_stop_ticks' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L141
class member 'Recording::_base_id' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L143
class member 'Recording::_bytes_written' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L144
class member 'Recording::_tid' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L146
class member 'Recording::_available_processors' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L147
class member 'Recording::_recorded_lib_count' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L148
class member 'Recording::_cpu_monitor_enabled' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L150
class member 'Recording::_last_times' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L152
class member 'FlightRecorder::_filename' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L293
The function 'name' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L34
The function 'interval' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L36
The function 'check' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L38
The function 'start' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L39
The function 'stop' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L40
The function 'enableEvents' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L42
class member 'ITimer::_cstack' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L27
struct member 'jvmtiFrameInfoExtended::native_frame_address' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9Ext.h#L34
struct member 'jvmtiStackInfoExtended::frame_buffer' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9Ext.h#L40
class member 'J9Ext::InstrumentableObjectAlloc_id' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9Ext.h#L151
The class 'J9WallClock' does not declare a constructor although it has private member variables which likely require initialization.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L23
The function 'name' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L43
The function 'interval' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L47
The function 'start' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L51
The function 'stop' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L52
The function 'enableEvents' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L54
class member 'J9WallClock::_max_stack_depth' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L29
class member 'J9WallClock::_running' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9WallClock.h#L30
Class 'ReservoirSampler' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/reservoirSampler.h#L35
The function 'name' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.h#L126
The function 'interval' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.h#L128
The function 'enableEvents' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.h#L130
The function 'start' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.h#L134
The function 'stop' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.h#L135
Variable 'value' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/javaApi.cpp#L340
Variable 'ret' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/javaApi.cpp#L116
class member 'JfrMetadata::_initialized' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jfrMetadata.h#L163
class member 'JVM::_is_readable_pointer_resolved' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvm.h#L8
class member 'JVM::_is_readable_pointer' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvm.h#L9
class member 'VirtualSpaceSummary::_committed_end' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L29
class member 'GCHeapSummary::vptr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L42
class member 'CollectedHeap::vptr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L59
class member 'CollectedHeap::_gc_heap_log' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L61
class member 'CollectedHeap::_capacity_at_last_gc' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L64
class member 'CollectedHeap::_used_at_last_gc' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvmHeap.h#L65
struct member 'Chunk::prev' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/linearAllocator.h#L23
struct member 'Chunk::offs' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/linearAllocator.h#L24
struct member 'Chunk::_padding' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/linearAllocator.h#L26
class member 'LinearAllocator::_chunk_size' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/linearAllocator.h#L31
class member 'LinearAllocator::_tail' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/linearAllocator.h#L32
class member 'LinearAllocator::_reserve' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/linearAllocator.h#L33
Local variable 'start' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.cpp#L59
Local variable 'start' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.cpp#L101
Parameter 'args' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.cpp#L218
Parameter 'event' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.cpp#L282
Unused variable: kept_classeshttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.cpp#L61
struct member 'TrackingEntry::alloc' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L33
struct member 'TrackingEntry::skipped' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L34
struct member 'TrackingEntry::call_trace_id' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L35
struct member 'TrackingEntry::ctx' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L39
class member 'LivenessTracker::MAX_TRACKING_TABLE_SIZE' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L47
class member 'LivenessTracker::MIN_SAMPLING_INTERVAL' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L48
class member 'LivenessTracker::_table_lock' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.h#L54
Condition 'level>=_level' is always truehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/log.cpp#L87
Parameter 'args' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/log.cpp#L27
class member 'Log::_file' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/log.h#L35
class member 'Log::LEVEL_NAME' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/log.h#L39
class member 'ObjectSampler::CONFIG_UPDATE_CHECK_PERIOD_SECS' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/objectSampler.h#L45
class member 'JitWriteProtection::_prev' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os.h#L44
class member 'JitWriteProtection::_restore' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os.h#L45
class member 'OS::page_size' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os.h#L54
class member 'OS::page_mask' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os.h#L55
The function 'rewind' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L56
The function 'next' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L67
The function 'size' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L75
The function 'check' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L75
The function 'start' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L79
The function 'enableEvents' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L88
The function 'registerThread' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L94
The function 'unregisterThread' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L95
The function 'interval' overrides a function in a base class but is not marked with a 'override' specifier.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L97
The function 'enableEvents' overrides a function in a base class but is identical to the overridden functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L88
The function 'registerThread' overrides a function in a base class but is identical to the overridden functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L94
The function 'unregisterThread' overrides a function in a base class but is identical to the overridden functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/perfEvents.h#L95
Condition 'ihttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L457
Condition 'event_name==NULL' is always truehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1432
Parameter 'args' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1015
Parameter 'java_ctx' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L326
Variable 'error' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1192
Variable 'error' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1201
Variable 'error' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1212
Variable 'error' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1396
Condition 'length>0' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L878
class member 'Profiler::_signals_initialized' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.h#L61
class member 'Profiler::_class_map_lock' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.h#L92
class member 'Profiler::_locks' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.h#L93
Condition 'strcmp(name,"forward_copy_longs")==0' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L71
Condition 'strcmp(name,"backward_copy_longs")==0' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L72
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L60
Parameter 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L112
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L160
Parameter 'pc' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L221
Unused private function: 'StackFrame::withinCurrentStack'https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame.h#L30
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_arm.cpp#L77
Parameter 'entry' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_arm.cpp#L75
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_arm.cpp#L89
Parameter 'pc' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_arm.cpp#L126
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_i386.cpp#L71
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_i386.cpp#L99
Variable 'entry' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_i386.cpp#L100
Parameter 'pc' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_i386.cpp#L133
Parameter 'sp' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_ppc64.cpp#L119
Variable 'inst' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_ppc64.cpp#L91
Variable 'inst' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_ppc64.cpp#L105
Parameter 'pc' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_ppc64.cpp#L161
Variable 'ip' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_x64.cpp#L66
Parameter 'pc' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_x64.cpp#L262
Local variable 'pc' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_x64.cpp#L244
Return value 'ptr>(const void*)-DEAD_ZONE' is always truehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L41
Condition '!inDeadZone(method)' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L81
Condition '!inDeadZone(method_id)' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L83
Condition 'inDeadZone(pc)' is always truehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L140
Condition 'inDeadZone(pc)' is always truehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L254
Condition 'is_plausible_interpreter_frame' is always falsehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L375
Condition 'inDeadZone(pc)' is always truehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L594
The comparison 'EMPTY_FRAME_SIZE > 0' is always false.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L230
The comparison 'EMPTY_FRAME_SIZE > 0' is always false.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L567
The scope of the variable 'prev_sp' can be reduced.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L158
Local variable 'frame' shadows outer variablehttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L104
Variable 'page_start' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L183
Variable 'got_start_thread' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L286
The comparison 'EMPTY_FRAME_SIZE > 0' is always false.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L230
The comparison 'EMPTY_FRAME_SIZE > 0' is always false.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackWalker.cpp#L567
Class 'SymbolDesc' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L14
Class 'MemoryMapDesc' has a constructor with 1 argument that is not explicit.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L35
Local variable 'section' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L56
Local variable 'section' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L368
Local variable 'section' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L394
Variable 'ident' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L175
Parameter 'section' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L190
Variable 'checked' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L74
Variable 'pheader' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L131
Variable 'sym' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L215
Variable 'sym' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L230
Variable 'chain' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L320
Variable 'plt' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L342
Variable 'note' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L373
Variable 'sym' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L439
Variable 'sym' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L461
struct member 'RootSymbolEntry::name' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L139
struct member 'RootSymbolEntry::kind' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L140
class member 'ElfParser::_root_symbols' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.h#L152
Local variable 'tid' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/thread.cpp#L32
Local variable 'tid' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/thread.cpp#L130
class member 'ProfiledThread::_buffer_size' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/thread.h#L24
class member 'ProfiledThread::_buffer' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/thread.h#L26
Local variable 'word' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/threadFilter.cpp#L133
class member 'ThreadFilter::_max_bitmaps' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/threadFilter.h#L34
class member 'ThreadInfo::_thread_names' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/threadInfo.h#L12
class member 'ThreadInfo::_thread_ids' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/threadInfo.h#L13
class member 'Trap::_page_start' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/trap.h#L36
Local variable 'frequency' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/tsc.cpp#L41
Variable 'idx' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.cpp#L118
Parameter 'prop_value' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.cpp#L144
Variable 'flag_addr' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.cpp#L396
Parameter 'options' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.cpp#L546
struct member 'ASGCT_CallTrace::env' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L62
struct member 'ASGCT_CallTrace::frames' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L64
struct member 'VMManagement::unused' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L70
struct member 'JVMTIFunctions::unused1' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L77
struct member 'JVMTIFunctions::unused2' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L80
struct member 'JavaFullVersion::major' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L85
struct member 'JavaFullVersion::update' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L86
class member 'VM::_can_intercept_binding' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L107
class member 'VM::_libjvm' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L126
class member 'VM::_libjava' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L127
class member 'VM::_asyncGetCallTrace' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L128
The scope of the variable 'delayedCounter' can be reduced.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L961
Local variable 'type' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L857
Parameter 'ptr' can be declared as pointer to const. However it seems that 'load32' is a callback function, if 'ptr' is declared with const you might also need to cast function pointer(s).https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/safeAccess.h#L36
Variable 'code_heap_array' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L467
Variable 'blob' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L557
Parameter 'vm_thread' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L592
Variable 'segmap' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L827
Variable 'type_name' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L865
Variable 'pcd_end' can be declared as pointer to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L920
Consider using std::any_of, std::all_of, std::none_of, or std::accumulate algorithm instead of a raw loop.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L858
Variable 'error' is assigned a value that is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.cpp#L1007
class member 'VMStructs::_has_native_thread_id' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L45
class member 'VMStructs::_class_loader_data_next_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L53
class member 'VMStructs::_scopes_pcs_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L74
class member 'VMStructs::_constmethod_constants_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L85
class member 'VMStructs::_constmethod_idnum_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L86
class member 'VMStructs::_pool_holder_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L88
class member 'VMStructs::_array_data_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L89
class member 'VMStructs::_code_heap_segmap_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L91
class member 'VMStructs::_code_heap_segment_shift' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L92
class member 'VMStructs::_heap_block_used_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L93
class member 'VMStructs::_vs_low_bound_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L94
class member 'VMStructs::_vs_high_bound_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L95
class member 'VMStructs::_flag_type_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L98
class member 'VMStructs::_flags_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L101
class member 'VMStructs::_flag_count' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L102
class member 'VMStructs::_flag_size' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L103
class member 'VMStructs::_code_heap_low_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L108
class member 'VMStructs::_code_heap_high_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L109
class member 'VMStructs::_klass_offset_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L110
class member 'VMStructs::_narrow_klass_base_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L111
class member 'VMStructs::_narrow_klass_base' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L112
class member 'VMStructs::_narrow_klass_shift_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L113
class member 'VMStructs::_narrow_klass_shift' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L114
class member 'VMStructs::_collected_heap' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L116
class member 'VMStructs::_collected_heap_reserved_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L117
class member 'VMStructs::_region_start_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L118
class member 'VMStructs::_region_size_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L119
class member 'VMStructs::_markword_klass_shift' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L120
class member 'VMStructs::_markword_monitor_value' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L121
class member 'VMStructs::_unsigned5_base' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L124
class member 'VMStructs::_call_stub_return_addr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L125
class member 'VMStructs::_find_flag_func' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L149
class member 'VMStructs::_is_valid_method_func' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L152
class member 'HeapUsage::is_jmx_attempted' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L588
class member 'PcDesc::_pc' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L699
class member 'PcDesc::_scope_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L700
class member 'PcDesc::_obj_offset' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L701
class member 'PcDesc::_flags' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L702
Local variable 'interval' shadows outer functionhttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.cpp#L114
Variable 'context' can be declared as reference to consthttps://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.cpp#L73
struct member 'ThreadEntry::native' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/wallClock.h#L162
The function 'patchImport' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/codeCache.cpp#L324
The function 'getCounter' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/counters.h#L103
The function 'supported' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/ctimer.h#L71
The function 'updateCounter' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/engine.h#L24
The function 'deallocateLineNumberTable' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L45
The function 'copyTo' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L366
The function 'cpuMonitorCycle' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L517
The function 'appendRecording' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L553
The function 'writeListSetting' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.cpp#L784
The function 'active' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/flightRecorder.h#L309
The function 'units' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/itimer.h#L32
The function 'GetJ9vmThread' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/j9Ext.h#L103
The function 'is_readable_pointer' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/jvm.cpp#L8
The function '_min' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/livenessTracker.cpp#L216
The function 'trace' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/log.cpp#L101
The function 'waitUntil' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/mutex.cpp#L38
The function 'notify' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/mutex.cpp#L44
The function 'cputime' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L130
The function 'ntoh64' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L163
The function 'schedPolicy' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L181
The function 'fileSize' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/os_macos.cpp#L335
The function 'flushJfr' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1307
The function 'restart' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/profiler.cpp#L1451
The function 'arg0' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L42
The function 'arg2' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L46
The function 'jarg0' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L50
The function 'ret' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/stackFrame_aarch64.cpp#L56
The function 'clearParsingCaches' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/symbols_linux.cpp#L484
The function 'isDeepCrashHandler' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/thread.h#L109
The function 'getThreadId' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/threadInfo.cpp#L21
The function 'assign' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/trap.cpp#L32
The function 'covers' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/trap.h#L45
The function 'install' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/trap.h#L53
The function 'uninstall' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/trap.h#L55
The function 'loaded' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmEntry.h#L136
The function 'hasClassNames' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L192
The function 'hasCompilerStructs' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L196
The function 'body' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L246
The function 'fromHandle' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L276
The function 'fromMethodID' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L309
The function 'inJava' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L483
The function 'compiledMethod' is never used.https://github.com/DataDog/java-profiler/blob/jb/clang_aarch64/ddprof-lib/src/main/cpp/vmStructs.h#L504
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
https://github.com/jbachorik
Emit 'skip_frames' error frame on java anchor fallbackhttps://github.com/DataDog/java-profiler/pull/199/commits/c90f352a9bbe1798fecb1904493706bd034fb1b7
c90f352https://github.com/DataDog/java-profiler/pull/199/commits/c90f352a9bbe1798fecb1904493706bd034fb1b7
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
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March 25, 2025 17:37https://github.com/DataDog/java-profiler/pull/199#event-16979155750
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
March 25, 2025 17:37https://github.com/DataDog/java-profiler/pull/199#event-16979158036
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Copilothttps://github.com/apps/copilot-pull-request-reviewer
Mar 25, 2025 https://github.com/DataDog/java-profiler/pull/199#pullrequestreview-2714629648
View reviewed changes https://github.com/DataDog/java-profiler/pull/199/files/c90f352a9bbe1798fecb1904493706bd034fb1b7
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https://github.com/DataDog/java-profiler/pull/199#pullrequestreview-2714629648
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Please reload this pagehttps://github.com/DataDog/java-profiler/pull/199
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
MattAlphttps://github.com/MattAlp
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