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fix(profiling): make sure truncated frames are added at the root #11775

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fix(profiling): make sure truncated frames are added at the root #11775

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30eeb0c
Move truncated frames to after the reversal
sanchda Dec 18, 2024
59e6388
Add release note
sanchda Dec 18, 2024
3049395
Update ddtrace/internal/datadog/profiling/releasenotes/notes/fix-prof…
sanchda Dec 18, 2024
7b3b697
Merge branch 'main' into sanchda/truncated_frames_on_root
sanchda Dec 18, 2024
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9 changes: 4 additions & 5 deletions ddtrace/internal/datadog/profiling/dd_wrapper/src/sample.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -146,16 +146,16 @@ Datadog::Sample::clear_buffers()
bool
Datadog::Sample::flush_sample(bool reverse_locations)
{
if (reverse_locations) {
std::reverse(locations.begin(), locations.end());
}

if (dropped_frames > 0) {
const std::string name =
"<" + std::to_string(dropped_frames) + " frame" + (1 == dropped_frames ? "" : "s") + " omitted>";
Sample::push_frame_impl(name, "", 0, 0);
}

if (reverse_locations) {
std::reverse(locations.begin(), locations.end());
}

const ddog_prof_Sample sample = {
.locations = { locations.data(), locations.size() },
.values = { values.data(), values.size() },
Expand Down Expand Up @@ -408,7 +408,6 @@ Datadog::Sample::push_absolute_ns(int64_t _timestamp_ns)
return true;
}


bool
Datadog::Sample::push_monotonic_ns(int64_t _monotonic_ns)
{
Expand Down
5 changes: 5 additions & 0 deletions ...nternal/datadog/profiling/releasenotes/notes/fix-profiling-v2-trunc-c442c864bcfad7ad.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
fixes:
- |
profiling: Fixes an issue where stack v2 would erroneously emplace informational pseudo-frames
on the leaf instead of the root of the callstack.
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