perf evsel: Support sparse fields in evsel__set_config_if_unset()

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Sparse config fields are technically supported although currently
unused. field_prep() only works for contiguous bitfields so replace it
with pmu_format_value().

pmu_format_value() also takes a bitmap rather than a u64 so replace
'u64 bits' with format->bits.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: James Clark <james.clark@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

...

This commit is contained in:

James Clark 2026-01-14 15:57:16 +00:00 • committed by Arnaldo Carvalho de Melo

parent 11ac460605

commit 5b5e01304f

3 changed files with 42 additions and 37 deletions

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19

tools/perf/util/evsel.c

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32

tools/perf/util/pmu.c

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28

tools/perf/util/pmu.h

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