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https://github.com/RGBCube/serenity
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ProfileViewer: Convert the JSON samples into a more efficient format
Only do the conversion from JSON once. This makes it much faster to do time range filtering with the timeline widget. :^)
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parent
d4a570d576
commit
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3 changed files with 48 additions and 36 deletions
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@ -82,20 +82,19 @@ public:
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const Vector<NonnullRefPtr<ProfileNode>>& roots() const { return m_roots; }
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template<typename Callback>
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void for_each_sample(Callback callback)
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{
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m_json.for_each([&](auto& value) {
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callback(value.as_object());
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});
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}
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struct SampleData {
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u64 timestamp { 0 };
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bool in_kernel { false };
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struct Frame {
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String symbol;
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u32 address { 0 };
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u32 offset { 0 };
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};
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const Vector<SampleData>& sample_data() const { return m_sample_data; }
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struct Sample {
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u64 timestamp { 0 };
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bool in_kernel { false };
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Vector<Frame> frames;
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};
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const Vector<Sample>& samples() const { return m_samples; }
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u64 length_in_ms() const { return m_last_timestamp - m_first_timestamp; }
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u64 first_timestamp() const { return m_first_timestamp; }
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@ -116,7 +115,7 @@ private:
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u64 m_first_timestamp { 0 };
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u64 m_last_timestamp { 0 };
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Vector<SampleData> m_sample_data;
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Vector<Sample> m_samples;
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bool m_has_timestamp_filter_range { false };
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u64 m_timestamp_filter_range_start { 0 };
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