Avatar for the CodSpeedHQ user
CodSpeedHQ
valgrind-codspeed
BlogDocsChangelog

fix: flamegraph regressions

#13Closed
Comparing
cod-2714-investigate-pytest-flamegraph-regression-2
(
7b1886a
) with
master
(
4a64bb2
)
CodSpeed Performance Gauge
+14%
Improvement
3
Untouched
57

Benchmarks

60 total
test_valgrind[valgrind.codspeed, python3 testdata/test.py, no-inline]
bench/bench.py
CodSpeed Performance Gauge
+19%
4.4 s3.7 s
test_valgrind[valgrind.codspeed, stress-ng --cpu 1 --cpu-ops 10, inline]
bench/bench.py
CodSpeed Performance Gauge
+14%
5.3 s4.6 s
test_valgrind[valgrind-3.25.1, python3 testdata/test.py, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
+10%
6 s5.5 s
test_valgrind[valgrind-3.25.1, stress-ng --cpu 1 --cpu-ops 10, no-inline]
bench/bench.py
CodSpeed Performance Gauge
+2%
4.4 s4.3 s
test_valgrind[valgrind.codspeed, python3 testdata/test.py, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
+1%
5.6 s5.5 s
test_valgrind[valgrind-3.25.1, stress-ng --cpu 1 --cpu-ops 10, inline]
bench/bench.py
CodSpeed Performance Gauge
+1%
4.5 s4.5 s
test_valgrind[valgrind-3.26.0, python3 testdata/test.py, full-with-inline]
bench/bench.py
CodSpeed Performance Gauge
+1%
5.8 s5.7 s
test_valgrind[valgrind-3.26.0, stress-ng --cpu 4 --cpu-ops 10, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
+1%
3.2 s3.2 s
test_valgrind[valgrind-3.25.1, stress-ng --cpu 4 --cpu-ops 10, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
+1%
3.2 s3.2 s
test_valgrind[valgrind.codspeed, stress-ng --cpu 4 --cpu-ops 10, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
+1%
3.3 s3.3 s
test_valgrind[valgrind-3.25.1, testdata/take_strings-aarch64 varbinview_non_null, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
2.5 s2.5 s
test_valgrind[valgrind.codspeed, stress-ng --cpu 4 --cpu-ops 10, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
2 s2 s
test_valgrind[valgrind-3.26.0, stress-ng --cpu 4 --cpu-ops 10, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
2 s2 s
test_valgrind[valgrind.codspeed, echo Hello, World!, inline]
bench/bench.py
CodSpeed Performance Gauge
0%
714.1 ms711.5 ms
test_valgrind[valgrind.codspeed, echo Hello, World!, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
513 ms511.3 ms
test_valgrind[valgrind.codspeed, echo Hello, World!, full-with-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
782.3 ms779.9 ms
test_valgrind[valgrind-3.25.1, python3 testdata/test.py, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
3.7 s3.6 s
test_valgrind[valgrind-3.26.0, python3 testdata/test.py, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
5.5 s5.5 s
test_valgrind[valgrind-3.26.0, stress-ng --cpu 4 --cpu-ops 10, full-with-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
3.5 s3.5 s
test_valgrind[valgrind-3.25.1, stress-ng --cpu 4 --cpu-ops 10, inline]
bench/bench.py
CodSpeed Performance Gauge
0%
2.2 s2.2 s
test_valgrind[valgrind-3.26.0, echo Hello, World!, full-no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
581.7 ms580.8 ms
test_valgrind[valgrind-3.25.1, stress-ng --cpu 4 --cpu-ops 10, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
2 s2 s
test_valgrind[valgrind-3.26.0, echo Hello, World!, inline]
bench/bench.py
CodSpeed Performance Gauge
0%
712.2 ms711.9 ms
test_valgrind[valgrind-3.26.0, echo Hello, World!, no-inline]
bench/bench.py
CodSpeed Performance Gauge
0%
512.3 ms512.4 ms
test_valgrind[valgrind-3.26.0, stress-ng --cpu 4 --cpu-ops 10, inline]
bench/bench.py
CodSpeed Performance Gauge
0%
2.2 s2.2 s

Commits

Click on a commit to change the comparison range
Base
master
4a64bb2
+3.04%
fix(callgrind): discard cost and drop BBCCs from underflow events
c413d33
1 day ago
by not-matthias
+11.35%
test(callgrind): resolve skip lib path from inside the .so
7b1886a
1 day ago
by not-matthias
© 2026 CodSpeed Technology
Home Terms Privacy Docs