[PATCH v1 1/4] perf util: Change convert_scale from static to global

From: Jin Yao
Date: Wed Aug 28 2019 - 02:00:29 EST


The function convert_scale() can be used to convert string
to unit and scale. For example,

s = "6000000000ns";
convert_scale(s, &unit, &scale);

unit = "ns", scale = 6000000000.

Currently this function is static. This patch renames the function
to perf_pmu__convert_scale and changes the function to global.
No functional change.

Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
---
tools/perf/util/pmu.c | 6 +++---
tools/perf/util/pmu.h | 2 ++
2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 9807be6f09bb..8e35e97ecf90 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -101,7 +101,7 @@ static int pmu_format(const char *name, struct list_head *format)
return 0;
}

-static int convert_scale(const char *scale, char **end, double *sval)
+int perf_pmu__convert_scale(const char *scale, char **end, double *sval)
{
char *lc;
int ret = 0;
@@ -164,7 +164,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
else
scale[sret] = '\0';

- ret = convert_scale(scale, NULL, &alias->scale);
+ ret = perf_pmu__convert_scale(scale, NULL, &alias->scale);
error:
close(fd);
return ret;
@@ -372,7 +372,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
desc ? strdup(desc) : NULL;
alias->topic = topic ? strdup(topic) : NULL;
if (unit) {
- if (convert_scale(unit, &unit, &alias->scale) < 0)
+ if (perf_pmu__convert_scale(unit, &unit, &alias->scale) < 0)
return -1;
snprintf(alias->unit, sizeof(alias->unit), "%s", unit);
}
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 3f8b79b1dd85..f36ade6df76d 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -96,4 +96,6 @@ struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);

struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);

+int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
+
#endif /* __PMU_H */
--
2.17.1