On Thu, Aug 13, 2026 at 08:03:57PM +0200, Jiri Olsa wrote: > On Tue, Aug 04, 2026 at 03:40:30PM -0700, Andrii Nakryiko wrote: > > On Tue, Aug 4, 2026 at 8:48 AM Leon Hwang <[email protected]> wrote: > > > > > > In CI, the tracing_multi_bench_attach test could cost >10s, which should > > > be avoided in daily CI running. > > > > > > ./test_progs -t tracing_multi_bench_attach -v > > > WATCHDOG: test case tracing_multi_bench_attach executes for 10 seconds... > > > serial_test_tracing_multi_bench_attach: found 40163 functions > > > serial_test_tracing_multi_bench_attach: attached in 9.367s > > > serial_test_tracing_multi_bench_attach: detached in 1.798s > > > #546 tracing_multi_bench_attach:OK > > > > > > Since it is for benchmark attachment of tracing_multi link, move it to > > > the generic bench framework. > > > > > > ./bench tracing-multi-attach > > > Setting up benchmark 'tracing-multi-attach'... > > > tracing-multi-attach: found 40166 functions > > > tracing-multi-attach: attached in 9.278s > > > tracing-multi-attach: detached in 1.836s > > > > > > Assisted-by: Codex:gpt-5.6-sol > > > Signed-off-by: Leon Hwang <[email protected]> > > > --- > > > tools/testing/selftests/bpf/Makefile | 2 + > > > tools/testing/selftests/bpf/bench.c | 2 + > > > .../bpf/benchs/bench_tracing_multi_attach.c | 177 ++++++++++++++++++ > > > .../selftests/bpf/prog_tests/tracing_multi.c | 125 ------------- > > > 4 files changed, 181 insertions(+), 125 deletions(-) > > > create mode 100644 > > > tools/testing/selftests/bpf/benchs/bench_tracing_multi_attach.c > > > > > > > Jiri, are you ok with not exercising this logic regularly? > > > > but also hm, is 10 seconds expected? > > sorry for late reply, I overlooked this one > > the 'commited result' is around 1.2s.. will check > > serial_test_tracing_multi_bench_attach: found 51186 functions > serial_test_tracing_multi_bench_attach: attached in 1.295s > serial_test_tracing_multi_bench_attach: detached in 0.243s > > thanks, > jirka
fyi found the possible culprint: https://lore.kernel.org/bpf/[email protected]/T/#m8184343c667a96efae72ae55f7a8679d51f6eaf6 jirka
