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FrameTiming build start timestamp fix and add vsync start timestamp #20229

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fluttergithubbot merged 8 commits into from
Aug 8, 2020
Merged

FrameTiming build start timestamp fix and add vsync start timestamp #20229

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01ace70
Change frame build time start timestamp
CareF Jul 30, 2020
84a11d6
add vsync start to layer_tree
CareF Aug 4, 2020
0ec79db
add test
CareF Aug 4, 2020
35d1bd8
formatting
CareF Aug 4, 2020
87d0982
move tracing
CareF Aug 4, 2020
8c7178c
remove vsync_time method
CareF Aug 4, 2020
3d14526
bug fix and formatting
CareF Aug 4, 2020
ecca65e
update constructor
CareF Aug 6, 2020
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Change frame build time start timestamp
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@CareF
CareF committed Aug 6, 2020
commit 01ace70655dbc349c90d293db6ffa76a0c5e78d0
2 changes: 1 addition & 1 deletion shell/common/animator.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ void Animator::BeginFrame(fml::TimePoint frame_start_time,
// to service potential frame.
FML_DCHECK(producer_continuation_);

last_frame_begin_time_ = frame_start_time;
last_frame_begin_time_ = fml::TimePoint::Now();
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@iskakaushik iskakaushik Aug 4, 2020

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when we post a trace event for VsyncSchedulingOverhead we also use fml::TimePoint::Now(). Can we unify both these and maybe post a trace event here instead?

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@CareF CareF Aug 4, 2020

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Not 100% sure I understand but I made a commit moving the TaceEventAsyncComplete line. PTAL.

last_frame_target_time_ = frame_target_time;
dart_frame_deadline_ = FxlToDartOrEarlier(frame_target_time);
{
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