Method sample

src/processSampler.cpp:45–50

}

int ProcessSampler::sample(u64 wall_time) {
    const int pid_count = OS::getProcessIds(_pids, MAX_PROCESSES);
    cleanupProcessHistory(pid_count);
    _last_sample_time = wall_time;
    return pid_count;
}

void ProcessSampler::cleanupProcessHistory(const int pid_count) {
    const std::unordered_set<int> active_pid_set(_pids, _pids + pid_count);