Method getJavaTraceJvmti

src/profiler.cpp:377–390

}

int Profiler::getJavaTraceJvmti(jvmtiFrameInfo* jvmti_frames, ASGCT_CallFrame* frames, int start_depth, int max_depth) {
    int num_frames = 0;
    if (VM::jvmti()->GetStackTrace(NULL, start_depth, max_depth, jvmti_frames, &num_frames) == 0 && num_frames > 0) {
        // Convert to AsyncGetCallTrace format.
        // Note: jvmti_frames and frames may overlap.
        for (int i = 0; i < num_frames; i++) {
            jint bci = jvmti_frames[i].location;
            frames[i].method_id = jvmti_frames[i].method;
            frames[i].bci = bci;
            LP64_ONLY(frames[i].padding = 0;)
        }
    }
    return num_frames;
}

u64 Profiler::recordSample(void* ucontext, u64 counter, EventType event_type, Event* event) {
    atomicInc(_total_samples);