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| author | Jiri Olsa <jolsa@redhat.com> | 2021-10-21 13:41:32 +0200 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-10-21 15:59:31 -0700 |
| commit | 99d099757ab487e0d317c69541b47aaae0b6c431 (patch) | |
| tree | a0f3e9cfb7a844854a681fe0bfb77eb5128b1677 /tools/testing/selftests/bpf/progs/test_perf_buffer.c | |
| parent | aa274f98b269b2babf37b6308f8a1a009ca4fc41 (diff) | |
| download | linux-99d099757ab487e0d317c69541b47aaae0b6c431.tar.gz linux-99d099757ab487e0d317c69541b47aaae0b6c431.tar.bz2 linux-99d099757ab487e0d317c69541b47aaae0b6c431.zip | |
selftests/bpf: Use nanosleep tracepoint in perf buffer test
The perf buffer tests triggers trace with nanosleep syscall,
but monitors all syscalls, which results in lot of data in the
buffer and makes it harder to debug. Let's lower the trace
traffic and monitor just nanosleep syscall.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20211021114132.8196-4-jolsa@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_perf_buffer.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_perf_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_perf_buffer.c b/tools/testing/selftests/bpf/progs/test_perf_buffer.c index d37ce29fd393..a08874c5bdf2 100644 --- a/tools/testing/selftests/bpf/progs/test_perf_buffer.c +++ b/tools/testing/selftests/bpf/progs/test_perf_buffer.c @@ -12,7 +12,7 @@ struct { __type(value, int); } perf_buf_map SEC(".maps"); -SEC("tp/raw_syscalls/sys_enter") +SEC("tp/syscalls/sys_enter_nanosleep") int handle_sys_enter(void *ctx) { int cpu = bpf_get_smp_processor_id(); |