From 4edab4c55d2d070ec7ff3526f93ec6d90d9105d4 Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Tue, 12 Nov 2024 03:09:06 -0800 Subject: 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 Link: https://lore.kernel.org/r/20241112110906.3045278-5-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov --- tools/testing/selftests/bpf/prog_tests/send_signal.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools/testing/selftests/bpf/prog_tests/send_signal.c') 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, }; -- cgit v1.2.3