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authorTao Chen <chen.dylane@linux.dev>2025-04-24 00:39:01 +0800
committerAndrii Nakryiko <andrii@kernel.org>2025-04-25 09:24:47 -0700
commit64821d25f05ac468d435e61669ae745ce5a633ea (patch)
tree4f5985d9e67af9551877e042fe1241e908076a85
parent46eb012611f7a824231a53532c7bc86160bbc91a (diff)
libbpf: Remove sample_period init in perf_buffer
It seems that sample_period is not used in perf buffer. Actually, only wakeup_events are meaningful to enable events aggregation for wakeup notification. Remove sample_period setting code to avoid confusion. Fixes: fb84b8224655 ("libbpf: add perf buffer API") Signed-off-by: Tao Chen <chen.dylane@linux.dev> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/bpf/20250423163901.2983689-1-chen.dylane@linux.dev
-rw-r--r--tools/lib/bpf/libbpf.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index fbb991c6bf19..080c699582c7 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -13375,7 +13375,6 @@ struct perf_buffer *perf_buffer__new(int map_fd, size_t page_cnt,
attr.config = PERF_COUNT_SW_BPF_OUTPUT;
attr.type = PERF_TYPE_SOFTWARE;
attr.sample_type = PERF_SAMPLE_RAW;
- attr.sample_period = sample_period;
attr.wakeup_events = sample_period;
p.attr = &attr;