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Kernel+Profiler: Track lost time between profiler timer ticks

We can lose profiling timer events for a few reasons, for example
disabled interrupts or system slowness. This accounts for lost
time between CPU samples by adding a field lost_samples to each
profiling event which tracks how many samples were lost immediately
preceding the event.
This commit is contained in:
Gunnar Beutner 2021-05-13 22:14:07 +02:00 committed by Andreas Kling
parent 8614d18956
commit c41f13f10b
8 changed files with 30 additions and 11 deletions

View file

@ -166,6 +166,7 @@ public:
String executable;
int pid { 0 };
int tid { 0 };
u32 lost_samples { 0 };
bool in_kernel { false };
Vector<Frame> frames;
};