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perf ftrace: Remove an unnecessary condition check in BPF

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The bucket_num is set based on the {max,min}_latency already in
cmd_ftrace(), so no need to check it again in BPF.  Also I found
that it didn't pass the max_latency to BPF. :)

No functional changes intended.

Cc: Gabriele Monaco <gmonaco@redhat.com>
Link: https://lore.kernel.org/r/20250227191223.1288473-2-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Namhyung Kim 2025-02-27 11:12:22 -08:00
parent 9c33441418
commit 79056b3fe8
1 changed files with 1 additions and 2 deletions
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3
tools/perf/util/bpf_skel/func_latency.bpf.c
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@ -125,8 +125,7 @@ int BPF_PROG(func_end)
// than the min latency desired.
if (val > 0) { // 1st entry: [ 1 unit .. bucket_range units )
key = val / bucket_range + 1;
if (key >= bucket_num ||
val >= max_latency - min_latency)
if (key >= bucket_num)
key = bucket_num - 1;
}