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authorValentin Schneider <vschneid@redhat.com>2026-09-02 14:39:32 +0200
committerTomas Glozar <tglozar@redhat.com>2026-09-22 13:42:03 +0200
commit9ca6a1662b68c1d7500157446906a8ebf149001d (patch)
treea41824d3173a1568921aa6386d66f16a2f20999a /tools/perf/scripts/python
parente24c047993703439061aa9a7a0ae34c8118b812c (diff)
rtla/osnoise: Leverage IPI event filters when tracing a subset of CPUs
Leverage the kernel event filtering infrastructure to only emit IPI events if they target CPUs that are being traced, as specified by the -c cmdline option. Note that some post-processing is still required for the ipi_send_cpumask event, as the event being emitted means *some* CPUs targeted by that event are monitored, but not all of them - userspace has to recompute that intersection. Signed-off-by: Valentin Schneider <vschneid@redhat.com> Link: https://lore.kernel.org/r/20260902123942.695822-4-vschneid@redhat.com Signed-off-by: Tomas Glozar <tglozar@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python')
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