ddprof

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overhead of perf?

3

i use perf -e cpu -a -g to run profiling in machine continously. what is the overhead for process? as i know, the perf_event_open will cause user program context switch...

zdyj3170101136

Add crash tracking to profiler

2

# What does this PR do? Add crash tracker and reporter to ddprof. Crash tracker installs signal handlers to catch crashes in the profiler. Upon crash, it forks and execs...

nsavoire

# What does this PR do? Ensure we have thread names / process name in the timeline # Motivation This makes the timeline easier to read # Additional Notes This...

r1viollet

Blaze symbolizer error log

2

# What does this PR do? Add a log to help diagnose symbolization issues # Motivation Diagnose blazesym issues # Additional Notes NA # How to test the change? NA

r1viollet

[Prototype] Live allocation - upscaling logics

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# What does this PR do? Introduce a parsing of smaps to try and upscale the allocations with numbers that can compare to the smap values. # Motivation Getting closer...

r1viollet

Otel allocation profiling POC

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# What does this PR do? Make `libdd_profiling.so` compatible for use with otel profiler by creating a new mode that does not start ddprof and adding a USDT probe inside...

nsavoire

Levi asked for a hack. Will this work ? # What does this PR do? A brief description of the change being made with this pull request. # Motivation What...

r1viollet

# Description The following setup breaks our current assumptions in allocation profiling: - The executable resolves malloc from the global scope. This typically means the system allocator (e.g., the one...

r1viollet