Method reset

src/wallClock.cpp:67–71

    }

    void reset() {
        memset(_ringbuf, 0, sizeof(_ringbuf));
        _read_ptr = 0;
        storeRelease(_write_ptr, 0);
    }

    void add(u64 trace) {
        ThreadCpuTime& t = _ringbuf[atomicInc(_write_ptr) & (RINGBUF_SIZE - 1)];