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Kernel: Track performance events for context switches
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c94440860e
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6 changed files with 29 additions and 2 deletions
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@ -47,6 +47,11 @@ struct [[gnu::packed]] ThreadCreatePerformanceEvent {
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pid_t parent_tid;
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};
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struct [[gnu::packed]] ContextSwitchPerformanceEvent {
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pid_t next_pid;
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u32 next_tid;
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};
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struct [[gnu::packed]] PerformanceEvent {
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u8 type { 0 };
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u8 stack_size { 0 };
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@ -62,6 +67,7 @@ struct [[gnu::packed]] PerformanceEvent {
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ProcessCreatePerformanceEvent process_create;
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ProcessExecPerformanceEvent process_exec;
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ThreadCreatePerformanceEvent thread_create;
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ContextSwitchPerformanceEvent context_switch;
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} data;
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static constexpr size_t max_stack_frame_count = 64;
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FlatPtr stack[max_stack_frame_count];
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