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Kernel: Prune uninteresting kernel frames from profiling samples

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Start capturing the sample stacks at the EIP/EBP of the pre-empted
thread instead of capturing EBP in the sampling function itself.
This commit is contained in:
Andreas Kling 2021-01-17 10:53:18 +01:00
parent bf0719092f
commit 647cfcb641
3 changed files with 12 additions and 5 deletions
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1
Kernel/PerformanceEventBuffer.h
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@ -61,6 +61,7 @@ public:
PerformanceEventBuffer();
KResult append(int type, FlatPtr arg1, FlatPtr arg2);
KResult append_with_eip_and_ebp(u32 eip, u32 ebp, int type, FlatPtr arg1, FlatPtr arg2);
void clear()
{