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authorJiri Olsa <jolsa@kernel.org>2014-06-06 05:27:28 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-12 12:03:00 -0300
commit94c0655fc16b0c09edc21cadddbeef95c408f3e7 (patch)
tree2c4ddffa8b97e791dd226b6fbba2c1a56a1b51cd /tools/perf/util/config.c
parentadc56ed1e01f1c43fc7bf75340f11f4ad5e11145 (diff)
downloadop-kernel-dev-94c0655fc16b0c09edc21cadddbeef95c408f3e7.zip
op-kernel-dev-94c0655fc16b0c09edc21cadddbeef95c408f3e7.tar.gz
perf tools: Add perf_config_u64 function
Adding perf_config_u64 function to be able to parse 'llong' values out of config file. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: David Ahern <dsahern@gmail.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-ni6gqdlvw7khp74r9htvklkb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/config.c')
-rw-r--r--tools/perf/util/config.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 1e5e2e5..9970b8b 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -286,6 +286,21 @@ static int parse_unit_factor(const char *end, unsigned long *val)
return 0;
}
+static int perf_parse_llong(const char *value, long long *ret)
+{
+ if (value && *value) {
+ char *end;
+ long long val = strtoll(value, &end, 0);
+ unsigned long factor = 1;
+
+ if (!parse_unit_factor(end, &factor))
+ return 0;
+ *ret = val * factor;
+ return 1;
+ }
+ return 0;
+}
+
static int perf_parse_long(const char *value, long *ret)
{
if (value && *value) {
@@ -307,6 +322,15 @@ static void die_bad_config(const char *name)
die("bad config value for '%s'", name);
}
+u64 perf_config_u64(const char *name, const char *value)
+{
+ long long ret = 0;
+
+ if (!perf_parse_llong(value, &ret))
+ die_bad_config(name);
+ return (u64) ret;
+}
+
int perf_config_int(const char *name, const char *value)
{
long ret = 0;
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