perf python: Refactor and add accessors to sample event

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Add common evsel field for events and move sample specific fields to
only be present in sample events. Add accessors for sample
events. Ensure offsets are within the bounds of the event. Allocate
just enough memory for the copied event, don't make the maximum event
size each time.

Assisted-by: Gemini:gemini-3.1-pro-preview
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alice Rogers <alice.mei.rogers@gmail.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

...

This commit is contained in:

Ian Rogers 2026-06-15 18:15:33 -07:00 • committed by Namhyung Kim

parent b4e3808006

commit 600a22ef7e

3 changed files with 429 additions and 94 deletions

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519

tools/perf/util/python.c

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2

tools/perf/util/session.c

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2

tools/perf/util/session.h

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