Re: [PATCH v2 1/5] perf dlfilter: Add non-empty branch stack filter
| Newsgroups | org.kernel.vger.linux-perf-users |
|---|---|
| Message-ID | <[email protected]> |
> --itrace=L adds decoded branch history to existing samples, but a sample > that was recorded while the decoder had no trace for that thread keeps an > empty branch stack. Consumers of the resulting perf script output, such > as profile generators for context-sensitive PGO, have no use for those > samples. > > Add an opt-in dlfilter that drops samples whose parsed branch stack is > empty, so users can exclude them without changing default sample > semantics. Build and install it alongside perf's existing dlfilters. > > Assisted-by: Devmate:GPT-5.6 > Signed-off-by: Amir Ayupov <[email protected]> Sashiko has reviewed this patch and found no issues. It looks great! -- Sashiko AI review · https://sashiko.dev/#/patchset/[email protected]?part=1