From: Serge Hallyn <serge@hallyn.com>
Date: Wed, 17 May 2017 14:20:59 +0000 (-0500)
Subject: cgfsng: log when we defer to cgfsng
X-Git-Tag: lxc-2.1.0~124^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1568%2Fhead;p=thirdparty%2Flxc.git

cgfsng: log when we defer to cgfsng

Signed-off-by: Serge Hallyn <serge@hallyn.com>
---

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index ebd548b9f..7c627229e 100644
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -783,8 +783,10 @@ static char **get_controllers(char **klist, char **nlist, char *line)
 		return NULL;
 	/* note - if we change how mountinfo works, then our caller
 	 * will need to verify /sys/fs/cgroup/ in this field */
-	if (strncmp(p, "/sys/fs/cgroup/", 15) != 0)
+	if (strncmp(p, "/sys/fs/cgroup/", 15) != 0) {
+		INFO("cgfsng: found hierarchy not under /sys/fs/cgroup: \"%s\"", p);
 		return NULL;
+	}
 	p += 15;
 	p2 = strchr(p, ' ');
 	if (!p2) {
@@ -1136,8 +1138,10 @@ static bool parse_hierarchies(void)
 	/* verify that all controllers in cgroup.use and all crucial
 	 * controllers are accounted for
 	 */
-	if (!all_controllers_found())
+	if (!all_controllers_found()) {
+		INFO("cgfsng: not all controllers were find, deferring to cgfs driver");
 		return false;
+	}
 
 	return true;
 }