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[wpe-2.46] Add ftrace based system tracing #1555

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Merged
magomez merged 1 commit into from
Aug 6, 2025
Merged

[wpe-2.46] Add ftrace based system tracing #1555

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1 change: 1 addition & 0 deletions Source/WTF/wtf/PlatformWPE.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ list(APPEND WTF_PUBLIC_HEADERS
linux/CurrentProcessMemoryStatus.h
linux/ProcessMemoryFootprint.h
linux/RealTimeThreads.h
linux/SystemTracingFTrace.h

unix/UnixFileDescriptor.h
)
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9 changes: 9 additions & 0 deletions Source/WTF/wtf/SystemTracing.h
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Expand Up @@ -193,6 +193,10 @@ enum TracePointCode {
#include <wtf/glib/SysprofAnnotator.h>
#endif

#if USE(LINUX_FTRACE)
#include <wtf/linux/SystemTracingFTrace.h>
#endif

namespace WTF {

inline void tracePoint(TracePointCode code, uint64_t data1 = 0, uint64_t data2 = 0, uint64_t data3 = 0, uint64_t data4 = 0)
Expand All @@ -206,6 +210,11 @@ inline void tracePoint(TracePointCode code, uint64_t data1 = 0, uint64_t data2 =
UNUSED_PARAM(data2);
UNUSED_PARAM(data3);
UNUSED_PARAM(data4);
#elif USE(LINUX_FTRACE)
SystemTracingFTrace::instance().tracePoint(code, data1);
UNUSED_PARAM(data2);
UNUSED_PARAM(data3);
UNUSED_PARAM(data4);
#else
UNUSED_PARAM(code);
UNUSED_PARAM(data1);
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