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perf pmu: Const-ify file APIs

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File APIs don't alter the struct pmu so allow const ones to be passed.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: James Clark <james.clark@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Will Deacon <will@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: John Garry <john.g.garry@oracle.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: coresight@lists.linaro.org
Link: https://lore.kernel.org/r/20231012175645.1849503-5-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2023-10-12 10:56:42 -07:00 committed by Namhyung Kim
parent 672bd21390
commit 3a42f4c796
3 changed files with 13 additions and 12 deletions
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12
tools/perf/util/pmu.c
View File

@ -575,7 +575,7 @@ static int perf_pmu__new_alias(struct perf_pmu *pmu, const char *name,
return 0;
}
static inline bool pmu_alias_info_file(char *name)
static inline bool pmu_alias_info_file(const char *name)
{
size_t len;
@ -1770,7 +1770,7 @@ bool perf_pmu__is_software(const struct perf_pmu *pmu)
return !strcmp(pmu->name, "kprobe") || !strcmp(pmu->name, "uprobe");
}
FILE *perf_pmu__open_file(struct perf_pmu *pmu, const char *name)
FILE *perf_pmu__open_file(const struct perf_pmu *pmu, const char *name)
{
char path[PATH_MAX];
@ -1781,7 +1781,7 @@ FILE *perf_pmu__open_file(struct perf_pmu *pmu, const char *name)
return fopen(path, "r");
}
FILE *perf_pmu__open_file_at(struct perf_pmu *pmu, int dirfd, const char *name)
FILE *perf_pmu__open_file_at(const struct perf_pmu *pmu, int dirfd, const char *name)
{
int fd;
@ -1792,7 +1792,7 @@ FILE *perf_pmu__open_file_at(struct perf_pmu *pmu, int dirfd, const char *name)
return fdopen(fd, "r");
}
int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
int perf_pmu__scan_file(const struct perf_pmu *pmu, const char *name, const char *fmt,
...)
{
va_list args;
@ -1809,7 +1809,7 @@ int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
return ret;
}
int perf_pmu__scan_file_at(struct perf_pmu *pmu, int dirfd, const char *name,
int perf_pmu__scan_file_at(const struct perf_pmu *pmu, int dirfd, const char *name,
const char *fmt, ...)
{
va_list args;
@ -1826,7 +1826,7 @@ int perf_pmu__scan_file_at(struct perf_pmu *pmu, int dirfd, const char *name,
return ret;
}
bool perf_pmu__file_exists(struct perf_pmu *pmu, const char *name)
bool perf_pmu__file_exists(const struct perf_pmu *pmu, const char *name)
{
char path[PATH_MAX];

11
tools/perf/util/pmu.h
View File

@ -222,14 +222,15 @@ bool pmu__name_match(const struct perf_pmu *pmu, const char *pmu_name);
*/
bool perf_pmu__is_software(const struct perf_pmu *pmu);
FILE *perf_pmu__open_file(struct perf_pmu *pmu, const char *name);
FILE *perf_pmu__open_file_at(struct perf_pmu *pmu, int dirfd, const char *name);
FILE *perf_pmu__open_file(const struct perf_pmu *pmu, const char *name);
FILE *perf_pmu__open_file_at(const struct perf_pmu *pmu, int dirfd, const char *name);
int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
int perf_pmu__scan_file_at(struct perf_pmu *pmu, int dirfd, const char *name,
int perf_pmu__scan_file(const struct perf_pmu *pmu, const char *name, const char *fmt, ...)
__scanf(3, 4);
int perf_pmu__scan_file_at(const struct perf_pmu *pmu, int dirfd, const char *name,
const char *fmt, ...) __scanf(4, 5);
bool perf_pmu__file_exists(struct perf_pmu *pmu, const char *name);
bool perf_pmu__file_exists(const struct perf_pmu *pmu, const char *name);
int perf_pmu__test(void);

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

@ -98,7 +98,7 @@ struct perf_pmu *evsel__find_pmu(const struct evsel *evsel __maybe_unused)
return NULL;
}
int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...)
int perf_pmu__scan_file(const struct perf_pmu *pmu, const char *name, const char *fmt, ...)
{
return EOF;
}