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[Impeller] Add GPU frame time to Vulkan backend using timestamp queries. #46796

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auto-submit merged 13 commits into from
Oct 13, 2023
Merged

[Impeller] Add GPU frame time to Vulkan backend using timestamp queries. #46796

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4df93fc
[Impeller] add GPU start/end trace events.
Oct 11, 2023
995bb5e
++
Oct 11, 2023
4060e8b
timeline events.
Oct 12, 2023
dd6e71d
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Oct 12, 2023
096c7e6
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Oct 12, 2023
915652f
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Oct 12, 2023
12870c3
dnfield review
Oct 12, 2023
4910e58
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Oct 13, 2023
ccb89a5
Merge branch 'main' of github.com:flutter/engine into add_start_end_t…
Oct 13, 2023
e35c2ef
Update gpu_tracer_vk.cc
Oct 13, 2023
fc83a0c
Merge branch 'add_start_end_trace_events' of github.com:jonahwilliams…
Oct 13, 2023
f02f609
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Oct 13, 2023
635ebb0
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Oct 13, 2023
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jonahwilliams committed Oct 13, 2023
commit 635ebb0e5d70e8bdfe052b4f3ca8396ba6efb268
7 changes: 4 additions & 3 deletions impeller/renderer/backend/vulkan/gpu_tracer_vk.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -115,9 +115,10 @@ void GPUTracerVK::RecordEndFrameTime() {
// This value should probably be available in some form besides a
// timeline event but that is a job for a future Jonah.
auto gpu_ms = (((bits[1] - bits[0]) * timestamp_period_) / 1000000);
FML_TRACE_COUNTER("flutter", "GPUTracer",
reinterpret_cast<int64_t>(this), // Trace Counter ID
"FrameTimeMS", gpu_ms);
FML_TRACE_COUNTER(
"flutter", "GPUTracer",
reinterpret_cast<int64_t>(this), // Trace Counter ID
"FrameTimeMS", gpu_ms);
}
})) {
if (!buffer->SubmitCommands()) {
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