diff options
author | Andi Kleen <ak@linux.intel.com> | 2013-04-20 18:02:28 (GMT) |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-07-12 16:53:52 (GMT) |
commit | 50e200f07948400694238e08e7add73df5ba8f83 (patch) | |
tree | 91a2b5a0e0d06d1d7690bac23077d7d4c7c42c11 /tools/perf/util/string.c | |
parent | 380512345e13c3af64e59627f1b993c4faa94a84 (diff) | |
download | linux-fsl-qoriq-50e200f07948400694238e08e7add73df5ba8f83.tar.xz |
perf tools: Default to cpu// for events v5
When an event fails to parse and it's not in a new style format,
try to parse it again as a cpu event.
This allows to use sysfs exported events directly without //, so you can use
perf record -e mem-loads ...
instead of
perf record -e cpu/mem-loads/
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1366480949-32292-1-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/string.c')
-rw-r--r-- | tools/perf/util/string.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 29c7b2c..f0b0c00 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -387,3 +387,27 @@ void *memdup(const void *src, size_t len) return p; } + +/** + * str_append - reallocate string and append another + * @s: pointer to string pointer + * @len: pointer to len (initialized) + * @a: string to append. + */ +int str_append(char **s, int *len, const char *a) +{ + int olen = *s ? strlen(*s) : 0; + int nlen = olen + strlen(a) + 1; + if (*len < nlen) { + *len = *len * 2; + if (*len < nlen) + *len = nlen; + *s = realloc(*s, *len); + if (!*s) + return -ENOMEM; + if (olen == 0) + **s = 0; + } + strcat(*s, a); + return 0; +} |