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Profiler: Use sequential serial numbers for profiling events

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Previously Profiler was using timestamps to distinguish processes.
However it is possible that separate processes with the same PID exist
at the exact same timestamp (e.g. for execve). This changes Profiler
to use unique serial numbers for each event instead.
This commit is contained in:
Gunnar Beutner
2021-06-02 21:16:57 +02:00
committed by Linus Groh
parent af72b5ec82
commit a607f13fc7
8 changed files with 125 additions and 47 deletions
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2
Userland/DevTools/Profiler/SamplesModel.cpp
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@@ -74,7 +74,7 @@ GUI::Variant SamplesModel::data(const GUI::ModelIndex& index, GUI::ModelRole rol
return event.tid;
if (index.column() == Column::ExecutableName) {
if (auto* process = m_profile.find_process(event.pid, event.timestamp))
if (auto* process = m_profile.find_process(event.pid, event.serial))
return process->executable;
return "";
}