Commit-ID:  94c0655fc16b0c09edc21cadddbeef95c408f3e7
Gitweb:     http://git.kernel.org/tip/94c0655fc16b0c09edc21cadddbeef95c408f3e7
Author:     Jiri Olsa <[email protected]>
AuthorDate: Fri, 6 Jun 2014 05:27:28 -0400
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Tue, 12 Aug 2014 12:03:00 -0300

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 <[email protected]>
Acked-by: David Ahern <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jean Pihet <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/util/cache.h  |  1 +
 tools/perf/util/config.c | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 7b176dd..5cf9e1b 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -22,6 +22,7 @@ typedef int (*config_fn_t)(const char *, const char *, void 
*);
 extern int perf_default_config(const char *, const char *, void *);
 extern int perf_config(config_fn_t fn, void *);
 extern int perf_config_int(const char *, const char *);
+extern u64 perf_config_u64(const char *, const char *);
 extern int perf_config_bool(const char *, const char *);
 extern int config_error_nonbool(const char *);
 extern const char *perf_config_dirname(const char *, const char *);
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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