diff mbox series

[RFC,08/15] tools/vm/slabinfo: Add defrag_used_ratio output

Message ID 20190308041426.16654-9-tobin@kernel.org (mailing list archive)
State New, archived
Headers show
Series mm: Implement Slab Movable Objects (SMO) | expand

Commit Message

Tobin C. Harding March 8, 2019, 4:14 a.m. UTC 
Add output for the newly added defrag_used_ratio sysfs knob.

Signed-off-by: Tobin C. Harding <tobin@kernel.org>
---
 tools/vm/slabinfo.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c
index 9cdccdaca349..8cf3bbd061e2 100644
--- a/tools/vm/slabinfo.c
+++ b/tools/vm/slabinfo.c
@@ -34,6 +34,7 @@  struct slabinfo {
 	unsigned int sanity_checks, slab_size, store_user, trace;
 	int order, poison, reclaim_account, red_zone;
 	int movable, ctor;
+	int defrag_used_ratio;
 	int remote_node_defrag_ratio;
 	unsigned long partial, objects, slabs, objects_partial, objects_total;
 	unsigned long alloc_fastpath, alloc_slowpath;
@@ -549,6 +550,8 @@  static void report(struct slabinfo *s)
 		printf("** Slabs are destroyed via RCU\n");
 	if (s->reclaim_account)
 		printf("** Reclaim accounting active\n");
+	if (s->movable)
+		printf("** Defragmentation at %d%%\n", s->defrag_used_ratio);
 
 	printf("\nSizes (bytes)     Slabs              Debug                Memory\n");
 	printf("------------------------------------------------------------------------\n");
@@ -1279,6 +1282,7 @@  static void read_slab_dir(void)
 			slab->deactivate_bypass = get_obj("deactivate_bypass");
 			slab->remote_node_defrag_ratio =
 					get_obj("remote_node_defrag_ratio");
+			slab->defrag_used_ratio = get_obj("defrag_used_ratio");
 			chdir("..");
 			if (read_slab_obj(slab, "ops")) {
 				if (strstr(buffer, "ctor :"))