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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/tsc.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/tsc.c')
-rw-r--r--tools/perf/util/tsc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/tsc.c b/tools/perf/util/tsc.c
index f19791d46e99..2e33a20e1e1b 100644
--- a/tools/perf/util/tsc.c
+++ b/tools/perf/util/tsc.c
@@ -72,7 +72,7 @@ int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
}
int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc,
- struct perf_tool *tool,
+ const struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine)
{