When system contains cgrules.conf file with few thousand rules,
cgroup_change_cgroup_flags() function without CGFLAG_USECACHE flag is very slow.
Signed-off-by: Peter Schiffer <pschi...@redhat.com>
---
src/api.c | 6 ++++--
src/tools/cgclassify.c | 3 ++-
src/tools/cgexec.c | 2 +-
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/src/api.c b/src/api.c
index 183f387..5fef990 100644
--- a/src/api.c
+++ b/src/api.c
@@ -3052,7 +3052,8 @@ int cgroup_change_cgroup_uid_gid_flags(uid_t uid, gid_t
gid,
*/
int cgroup_change_cgroup_uid_gid(uid_t uid, gid_t gid, pid_t pid)
{
- return cgroup_change_cgroup_uid_gid_flags(uid, gid, pid, 0);
+ return cgroup_change_cgroup_uid_gid_flags(uid,
+ gid, pid, CGFLAG_USECACHE);
}
/**
@@ -3123,7 +3124,8 @@ int cgroup_change_all_cgroups(void)
if (err)
continue;
- err = cgroup_change_cgroup_flags(euid, egid, procname, pid, 0);
+ err = cgroup_change_cgroup_flags(euid,
+ egid, procname, pid, CGFLAG_USECACHE);
if (err)
cgroup_dbg("cgroup change pid %i failed\n", pid);
}
diff --git a/src/tools/cgclassify.c b/src/tools/cgclassify.c
index cae59b2..17f16ec 100644
--- a/src/tools/cgclassify.c
+++ b/src/tools/cgclassify.c
@@ -99,7 +99,8 @@ static int change_group_based_on_rule(pid_t pid)
}
/* Change the cgroup by determining the rules */
- ret = cgroup_change_cgroup_flags(euid, egid, procname, pid, 0);
+ ret = cgroup_change_cgroup_flags(euid,
+ egid, procname, pid, CGFLAG_USECACHE);
if (ret) {
fprintf(stderr, "Error: change of cgroup failed for"
" pid %d: %s\n", pid, cgroup_strerror(ret));
diff --git a/src/tools/cgexec.c b/src/tools/cgexec.c
index fa1c58c..daab51c 100644
--- a/src/tools/cgexec.c
+++ b/src/tools/cgexec.c
@@ -161,7 +161,7 @@ int main(int argc, char *argv[])
/* Change the cgroup by determining the rules based on uid */
ret = cgroup_change_cgroup_flags(uid, gid,
- argv[optind], pid, 0);
+ argv[optind], pid,
CGFLAG_USECACHE);
if (ret) {
fprintf(stderr, "cgroup change of group failed\n");
return ret;
------------------------------------------------------------------------------
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