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perf evsel: Allow const evsel for certain accesses

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List sorting, added later to evlist, passes const elements requiring
helper functions to also be const. Make the argument to
evsel__find_pmu, evsel__is_aux_event and evsel__leader const.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Florian Fischer <florian.fischer@muhq.space>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20230312021543.3060328-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2023-03-11 18:15:37 -08:00 committed by Arnaldo Carvalho de Melo
parent ce5b85906c
commit c6d616fe10
4 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/util/evsel.c
View File

@ -3139,7 +3139,7 @@ bool evsel__is_hybrid(const struct evsel *evsel)
return evsel->pmu_name && perf_pmu__is_hybrid(evsel->pmu_name);
}
struct evsel *evsel__leader(struct evsel *evsel)
struct evsel *evsel__leader(const struct evsel *evsel)
{
return container_of(evsel->core.leader, struct evsel, core);
}

6
tools/perf/util/evsel.h
View File

@ -212,8 +212,8 @@ int evsel__object_config(size_t object_size,
int (*init)(struct evsel *evsel),
void (*fini)(struct evsel *evsel));
struct perf_pmu *evsel__find_pmu(struct evsel *evsel);
bool evsel__is_aux_event(struct evsel *evsel);
struct perf_pmu *evsel__find_pmu(const struct evsel *evsel);
bool evsel__is_aux_event(const struct evsel *evsel);
struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx);
@ -505,7 +505,7 @@ int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
void evsel__zero_per_pkg(struct evsel *evsel);
bool evsel__is_hybrid(const struct evsel *evsel);
struct evsel *evsel__leader(struct evsel *evsel);
struct evsel *evsel__leader(const struct evsel *evsel);
bool evsel__has_leader(struct evsel *evsel, struct evsel *leader);
bool evsel__is_leader(struct evsel *evsel);
void evsel__set_leader(struct evsel *evsel, struct evsel *leader);

6
tools/perf/util/pmu.c
View File

@ -988,7 +988,7 @@ struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
return NULL;
}
struct perf_pmu *evsel__find_pmu(struct evsel *evsel)
struct perf_pmu *evsel__find_pmu(const struct evsel *evsel)
{
struct perf_pmu *pmu = NULL;
@ -1000,11 +1000,11 @@ struct perf_pmu *evsel__find_pmu(struct evsel *evsel)
break;
}
evsel->pmu = pmu;
((struct evsel *)evsel)->pmu = pmu;
return pmu;
}
bool evsel__is_aux_event(struct evsel *evsel)
bool evsel__is_aux_event(const struct evsel *evsel)
{
struct perf_pmu *pmu = evsel__find_pmu(evsel);

2
tools/perf/util/python.c
View File

@ -83,7 +83,7 @@ const char *perf_env__arch(struct perf_env *env __maybe_unused)
* far, for the perf python binding known usecases, revisit if this become
* necessary.
*/
struct perf_pmu *evsel__find_pmu(struct evsel *evsel __maybe_unused)
struct perf_pmu *evsel__find_pmu(const struct evsel *evsel __maybe_unused)
{
return NULL;
}