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