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cgtop: add helper for checking if we are operating on the root cgroup

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This commit is contained in:
Lennart Poettering 2018-02-09 16:58:35 +01:00
parent 4fc9ffab3b
commit a7e6de218b
1 changed files with 5 additions and 1 deletions
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6
src/cgtop/cgtop.c
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@ -125,6 +125,10 @@ static const char *maybe_format_bytes(char *buf, size_t l, bool is_valid, uint64
return format_bytes(buf, l, t);
}
static bool is_root_cgroup(const char *path) {
return isempty(path) || path_equal(path, "/");
}
static int process(
const char *controller,
const char *path,
@ -196,7 +200,7 @@ static int process(
} else if (streq(controller, "pids") && arg_count == COUNT_PIDS) {
if (isempty(path) || path_equal(path, "/")) {
if (is_root_cgroup(path)) {
r = procfs_tasks_get_current(&g->n_tasks);
if (r < 0)
return r;