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6fa291f805
Add --hybrid-merge to perf report and perf top. It merges the events a wildcard expanded to across the core PMUs, and their histograms, so that a symbol which ran on more than one kind of core is reported once with the total rather than once per PMU. evlist__merge_hybrid() links the events and evlist__merge_hists_hybrid() links the histograms. There is nothing to merge on a machine with a single core PMU, or when the events didn't come from a wildcard, so warn in that case rather than quietly producing an unmerged report. Merging collapses the per-PMU entries into one set, which doesn't combine with the per-level breakdown of --hierarchy, so asking for both is an error. Signed-off-by: Ian Rogers <irogers@google.com> Assisted-by: Antigravity:gemini-3.1-pro Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| .. | ||
| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| crypto | ||
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| memory-model | ||
| mm | ||
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| power | ||
| rcu | ||
| sched | ||
| sched_ext | ||
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| workqueue | ||
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