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Kernel: Track performance events for context switches
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parent
c94440860e
commit
8b2ace0326
6 changed files with 29 additions and 2 deletions
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@ -107,6 +107,10 @@ KResult PerformanceEventBuffer::append_with_eip_and_ebp(ProcessID pid, ThreadID
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break;
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case PERF_EVENT_THREAD_EXIT:
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break;
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case PERF_EVENT_CONTEXT_SWITCH:
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event.data.context_switch.next_pid = arg1;
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event.data.context_switch.next_tid = arg2;
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break;
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default:
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return EINVAL;
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}
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@ -180,6 +184,11 @@ bool PerformanceEventBuffer::to_json_impl(Serializer& object) const
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case PERF_EVENT_THREAD_EXIT:
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event_object.add("type", "thread_exit");
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break;
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case PERF_EVENT_CONTEXT_SWITCH:
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event_object.add("type", "context_switch");
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event_object.add("next_pid", static_cast<u64>(event.data.context_switch.next_pid));
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event_object.add("next_tid", static_cast<u64>(event.data.context_switch.next_tid));
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break;
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}
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event_object.add("pid", event.pid);
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event_object.add("tid", event.tid);
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