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cgroup: basic instrumentation of critical functions

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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2021-04-07 11:58:48 +02:00
parent 19b18afac9
commit c97c83bfb6
1 changed files with 3 additions and 0 deletions
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src/cgroup.c
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@@ -44,6 +44,7 @@ static void cgset(const char *path, char *ctrl, char *prop)
{
char *val;
_d("path %s, ctrl %s, prop %s", path ?: "NIL", ctrl ?: "NIL", prop ?: "NIL");
if (!path || !ctrl) {
_e("Missing path or controller, skipping!");
return;
@@ -86,6 +87,7 @@ static void group_init(char *path, int leaf, const char *cfg)
{
char *ptr, *s;
_d("path %s, leaf %d, cfg %s", path, leaf, cfg ?: "NIL");
if (!fisdir(path)) {
if (mkdir(path, 0755)) {
_pe("Failed creating cgroup %s", path);
@@ -123,6 +125,7 @@ static int cgroup_leaf_init(char *group, char *name, int pid, const char *cfg)
{
char path[256];
_d("group %s, name %s, pid %d, cfg %s", group, name, pid, cfg ?: "NIL");
if (pid <= 1) {
errno = EINVAL;
return 1;