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| author | Eduard Zingerman <eddyz87@gmail.com> | 2024-11-12 03:09:06 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-11-12 13:53:27 -0800 |
| commit | 4edab4c55d2d070ec7ff3526f93ec6d90d9105d4 (patch) | |
| tree | ecac0eac4ab29e4524b87cb41feb5dba6f47645f /tools/testing/selftests/bpf/prog_tests/send_signal.c | |
| parent | 3209139d00e594e30abc2429ea54c36bfbb9528a (diff) | |
| download | linux-4edab4c55d2d070ec7ff3526f93ec6d90d9105d4.tar.gz linux-4edab4c55d2d070ec7ff3526f93ec6d90d9105d4.tar.bz2 linux-4edab4c55d2d070ec7ff3526f93ec6d90d9105d4.zip | |
selftests/bpf: update send_signal to lower perf evemts frequency
Similar to commit [1] sample perf events less often in
test_send_signal_nmi(). This should reduce perf events throttling.
[1] 7015843afcaf ("selftests/bpf: Fix send_signal test with nested CONFIG_PARAVIRT")
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20241112110906.3045278-5-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/send_signal.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/send_signal.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c index 4e03d7a4c6f7..1702aa592c2c 100644 --- a/tools/testing/selftests/bpf/prog_tests/send_signal.c +++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c @@ -229,7 +229,8 @@ static void test_send_signal_perf(bool signal_thread, bool remote) static void test_send_signal_nmi(bool signal_thread, bool remote) { struct perf_event_attr attr = { - .sample_period = 1, + .freq = 1, + .sample_freq = 1000, .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES, }; |