diff options
| author | Vivek Goyal <vgoyal@redhat.com> | 2010-03-31 22:55:15 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-03-31 22:55:15 +0200 |
| commit | 7de870993035f855e1d1299a2b5c2c90b792c238 (patch) | |
| tree | 42e65118691ab1b54777d935a590b3c8adfeda7a /cgroup.c | |
| parent | 61eb313e28c0f0ba8eb144c5b5f331b6b74c4fc8 (diff) | |
| download | fio-7de870993035f855e1d1299a2b5c2c90b792c238.tar.gz | |
Add an option "cgroup_nodelete" to not delete cgroups after job completion
o Add an option cgroup_nodelete to not remove cgroups created by fio after
the job completion. This can help a user in inspecting various cgroup
files after fio job completion.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'cgroup.c')
| -rw-r--r-- | cgroup.c | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -14,6 +14,7 @@ static struct fio_mutex *lock; struct cgroup_member { struct flist_head list; char *root; + unsigned int cgroup_nodelete; }; static char *find_cgroup_mnt(struct thread_data *td) @@ -43,14 +44,16 @@ static char *find_cgroup_mnt(struct thread_data *td) return mntpoint; } -static void add_cgroup(const char *name, struct flist_head *clist) +static void add_cgroup(struct thread_data *td, const char *name, + struct flist_head *clist) { struct cgroup_member *cm; cm = smalloc(sizeof(*cm)); INIT_FLIST_HEAD(&cm->list); cm->root = smalloc_strdup(name); - + if (td->o.cgroup_nodelete) + cm->cgroup_nodelete = 1; fio_mutex_down(lock); flist_add_tail(&cm->list, clist); fio_mutex_up(lock); @@ -65,7 +68,8 @@ void cgroup_kill(struct flist_head *clist) flist_for_each_safe(n, tmp, clist) { cm = flist_entry(n, struct cgroup_member, list); - rmdir(cm->root); + if (!cm->cgroup_nodelete) + rmdir(cm->root); flist_del(&cm->list); sfree(cm->root); sfree(cm); @@ -144,7 +148,7 @@ int cgroup_setup(struct thread_data *td, struct flist_head *clist, char **mnt) goto err; } } else - add_cgroup(root, clist); + add_cgroup(td, root, clist); if (td->o.cgroup_weight) { if (write_int_to_file(td, root, "blkio.weight", |