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cgroup: basic instrumentation of critical functions

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