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authorIan Rogers <irogers@google.com>2024-08-12 13:46:55 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2024-08-12 18:05:14 -0300
commit30f29bae9142f34e978a4861ed07aa512af21416 (patch)
tree8a1c7438d47f2935a87f0ef1caa23dfee53f04b1 /tools/perf/util/intel-bts.c
parent1816dc4bc5be050cc543e6e4fcedf3805a2aea20 (diff)
perf tool: Constify tool pointers
The tool pointer (to a struct largely of function pointers) is passed around but is unchanged except at initialization. Change parameter and variable types to be const to lower the possibilities of what could happen with a tool. Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Leo Yan <leo.yan@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com> 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: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Kan Liang <kan.liang@linux.intel.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: Nick Desaulniers <ndesaulniers@google.com> Cc: Nick Terrell <terrelln@fb.com> Cc: Oliver Upton <oliver.upton@linux.dev> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <song@kernel.org> Cc: Sun Haiyong <sunhaiyong@loongson.cn> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Yanteng Si <siyanteng@loongson.cn> Cc: Yicong Yang <yangyicong@hisilicon.com> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20240812204720.631678-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intel-bts.c')
-rw-r--r--tools/perf/util/intel-bts.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 160d346cb450..27d9b5c9fec8 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -591,7 +591,7 @@ static int intel_bts_process_queues(struct intel_bts *bts, u64 timestamp)
static int intel_bts_process_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample,
- struct perf_tool *tool)
+ const struct perf_tool *tool)
{
struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
auxtrace);
@@ -634,7 +634,7 @@ static int intel_bts_process_event(struct perf_session *session,
static int intel_bts_process_auxtrace_event(struct perf_session *session,
union perf_event *event,
- struct perf_tool *tool __maybe_unused)
+ const struct perf_tool *tool __maybe_unused)
{
struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
auxtrace);
@@ -675,7 +675,7 @@ static int intel_bts_process_auxtrace_event(struct perf_session *session,
}
static int intel_bts_flush(struct perf_session *session,
- struct perf_tool *tool __maybe_unused)
+ const struct perf_tool *tool __maybe_unused)
{
struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
auxtrace);