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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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22
Kernel/UnixTypes.h
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@ -47,17 +47,17 @@ enum {
};
enum {
PERF_EVENT_SAMPLE,
PERF_EVENT_MALLOC,
PERF_EVENT_FREE,
PERF_EVENT_MMAP,
PERF_EVENT_MUNMAP,
PERF_EVENT_PROCESS_CREATE,
PERF_EVENT_PROCESS_EXEC,
PERF_EVENT_PROCESS_EXIT,
PERF_EVENT_THREAD_CREATE,
PERF_EVENT_THREAD_EXIT,
PERF_EVENT_CONTEXT_SWITCH,
PERF_EVENT_SAMPLE = 1,
PERF_EVENT_MALLOC = 2,
PERF_EVENT_FREE = 4,
PERF_EVENT_MMAP = 8,
PERF_EVENT_MUNMAP = 16,
PERF_EVENT_PROCESS_CREATE = 32,
PERF_EVENT_PROCESS_EXEC = 64,
PERF_EVENT_PROCESS_EXIT = 128,
PERF_EVENT_THREAD_CREATE = 256,
PERF_EVENT_THREAD_EXIT = 512,
PERF_EVENT_CONTEXT_SWITCH = 1024,
};
#define WNOHANG 1