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Kernel+LibC: Add support for filtering profiling events

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This adds the -t command-line argument for the profile tool. Using this
argument you can filter which event types you want in your profile.
This commit is contained in:
Gunnar Beutner 2021-05-14 08:10:43 +02:00 • committed by Andreas Kling
parent 8b2ace0326
commit 572bbf28cc
10 changed files with 72 additions and 33 deletions
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3
Kernel/PerformanceEventBuffer.h
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@ -53,7 +53,7 @@ struct [[gnu::packed]] ContextSwitchPerformanceEvent {
};
struct [[gnu::packed]] PerformanceEvent {
u8 type { 0 };
u16 type { 0 };
u8 stack_size { 0 };
u32 pid { 0 };
u32 tid { 0 };
@ -116,5 +116,6 @@ private:
extern bool g_profiling_all_threads;
extern PerformanceEventBuffer* g_global_perf_events;
extern u64 g_profiling_event_mask;
}