openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

perf cgroup: Make evlist__find_cgroup() more compact 

By taking advantage that __get() routines return the pointer to the
object for which a reference count is being get.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-xnvd07rdxliy04oi062samik@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-05-24 11:29:07 -03:00
parent f622df5ed7
commit 5dbe23e877
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
tools/perf/util/cgroup.c
View File

@ -93,20 +93,17 @@ static int open_cgroup(const char *name)
static struct cgroup *evlist__find_cgroup(struct perf_evlist *evlist, const char *str)
{
struct perf_evsel *counter;
struct cgroup *cgrp = NULL;
/*
* check if cgrp is already defined, if so we reuse it
*/
evlist__for_each_entry(evlist, counter) {
if (!counter->cgrp)
continue;
if (!strcmp(counter->cgrp->name, str)) {
cgrp = cgroup__get(counter->cgrp);
break;
}
if (!strcmp(counter->cgrp->name, str))
return cgroup__get(counter->cgrp);
}
return cgrp;
return NULL;
}
static struct cgroup *cgroup__new(const char *name)