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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>
This commit is contained in:
Jiri Olsa 2014-06-06 05:27:28 -04:00 committed by Arnaldo Carvalho de Melo
parent adc56ed1e0
commit 94c0655fc1
2 changed files with 25 additions and 0 deletions
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1
tools/perf/util/cache.h
View File

@ -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 *);

24
tools/perf/util/config.c
View File

@ -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;