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Profiler: Add ability to process read syscalls

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Profiler can now process and display read events.
This commit is contained in:
Jakub Berkop 2022-02-12 16:58:01 +01:00 • committed by Andreas Kling
parent fae991f599
commit cdfb388154
4 changed files with 28 additions and 1 deletions
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9
Userland/DevTools/Profiler/Profile.cpp
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@ -369,6 +369,15 @@ ErrorOr<NonnullOwnPtr<Profile>> Profile::load_from_perfcore_file(StringView path
if (it != current_processes.end())
it->value->handle_thread_exit(event.tid, event.serial);
continue;
} else if (type_string == "read"sv) {
const auto string_index = perf_event.get("filename_index"sv).to_number<FlatPtr>();
event.data = Event::ReadData {
.fd = perf_event.get("fd"sv).to_number<int>(),
.size = perf_event.get("size"sv).to_number<size_t>(),
.path = profile_strings.get(string_index).value(),
.start_timestamp = perf_event.get("start_timestamp"sv).to_number<size_t>(),
.success = perf_event.get("success"sv).to_bool()
};
} else {
dbgln("Unknown event type '{}'", type_string);
VERIFY_NOT_REACHED();