perf cgroup: Make evlist__find_cgroup() more compact (5dbe23e8) · Commits · 戴 / test

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>

tools/perf/util/cgroup.c

+3 −6

Original line number	Diff line number	Diff line
		@@ -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)

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