| #ifndef SRC_HISTOGRAM_INL_H_ |
| #define SRC_HISTOGRAM_INL_H_ |
| |
| #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS |
| |
| #include "histogram.h" |
| #include "base_object-inl.h" |
| #include "node_internals.h" |
| |
| namespace node { |
| |
| void Histogram::Reset() { |
| hdr_reset(histogram_.get()); |
| } |
| |
| bool Histogram::Record(int64_t value) { |
| return hdr_record_value(histogram_.get(), value); |
| } |
| |
| int64_t Histogram::Min() { |
| return hdr_min(histogram_.get()); |
| } |
| |
| int64_t Histogram::Max() { |
| return hdr_max(histogram_.get()); |
| } |
| |
| double Histogram::Mean() { |
| return hdr_mean(histogram_.get()); |
| } |
| |
| double Histogram::Stddev() { |
| return hdr_stddev(histogram_.get()); |
| } |
| |
| double Histogram::Percentile(double percentile) { |
| CHECK_GT(percentile, 0); |
| CHECK_LE(percentile, 100); |
| return static_cast<double>( |
| hdr_value_at_percentile(histogram_.get(), percentile)); |
| } |
| |
| template <typename Iterator> |
| void Histogram::Percentiles(Iterator&& fn) { |
| hdr_iter iter; |
| hdr_iter_percentile_init(&iter, histogram_.get(), 1); |
| while (hdr_iter_next(&iter)) { |
| double key = iter.specifics.percentiles.percentile; |
| double value = static_cast<double>(iter.value); |
| fn(key, value); |
| } |
| } |
| |
| bool HistogramBase::RecordDelta() { |
| uint64_t time = uv_hrtime(); |
| bool ret = true; |
| if (prev_ > 0) { |
| int64_t delta = time - prev_; |
| if (delta > 0) { |
| ret = Record(delta); |
| TraceDelta(delta); |
| if (!ret) { |
| if (exceeds_ < 0xFFFFFFFF) |
| exceeds_++; |
| TraceExceeds(delta); |
| } |
| } |
| } |
| prev_ = time; |
| return ret; |
| } |
| |
| void HistogramBase::ResetState() { |
| Reset(); |
| exceeds_ = 0; |
| prev_ = 0; |
| } |
| |
| } // namespace node |
| |
| #endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS |
| |
| #endif // SRC_HISTOGRAM_INL_H_ |