From: "Tobin C. Harding" <tobin@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Tobin C. Harding" <tobin@kernel.org>,
Christopher Lameter <cl@linux.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Matthew Wilcox <willy@infradead.org>,
Tycho Andersen <tycho@tycho.ws>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [RFC 08/15] tools/vm/slabinfo: Add defrag_used_ratio output
Date: Fri, 8 Mar 2019 15:14:19 +1100 [thread overview]
Message-ID: <20190308041426.16654-9-tobin@kernel.org> (raw)
In-Reply-To: <20190308041426.16654-1-tobin@kernel.org>
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 --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 :"))
--
2.21.0
next prev parent reply other threads:[~2019-03-08 4:15 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-08 4:14 [RFC 00/15] mm: Implement Slab Movable Objects (SMO) Tobin C. Harding
2019-03-08 4:14 ` [RFC 01/15] slub: Create sysfs field /sys/slab/<cache>/ops Tobin C. Harding
2019-03-11 21:23 ` Roman Gushchin
2019-03-12 1:16 ` Tobin C. Harding
2019-03-08 4:14 ` [RFC 02/15] slub: Add isolate() and migrate() methods Tobin C. Harding
2019-03-08 15:28 ` Tycho Andersen
2019-03-08 16:15 ` Christopher Lameter
2019-03-08 16:22 ` Tycho Andersen
2019-03-08 19:53 ` Tobin C. Harding
2019-03-08 20:08 ` Tycho Andersen
2019-03-11 21:51 ` Roman Gushchin
2019-03-12 1:08 ` Tobin C. Harding
2019-03-12 4:35 ` Christopher Lameter
2019-03-12 18:47 ` Roman Gushchin
2019-03-08 4:14 ` [RFC 03/15] tools/vm/slabinfo: Add support for -C and -F options Tobin C. Harding
2019-03-11 21:54 ` Roman Gushchin
2019-03-12 1:20 ` Tobin C. Harding
2019-03-08 4:14 ` [RFC 04/15] slub: Enable Slab Movable Objects (SMO) Tobin C. Harding
2019-03-11 22:48 ` Roman Gushchin
2019-03-12 1:47 ` Tobin C. Harding
2019-03-12 18:00 ` Roman Gushchin
2019-03-12 4:39 ` Christopher Lameter
2019-03-08 4:14 ` [RFC 05/15] slub: Sort slab cache list Tobin C. Harding
2019-03-08 4:14 ` [RFC 06/15] tools/vm/slabinfo: Add remote node defrag ratio output Tobin C. Harding
2019-03-08 4:14 ` [RFC 07/15] slub: Add defrag_used_ratio field and sysfs support Tobin C. Harding
2019-03-08 16:01 ` Tycho Andersen
2019-03-11 6:04 ` Tobin C. Harding
2019-03-08 4:14 ` Tobin C. Harding [this message]
2019-03-08 4:14 ` [RFC 09/15] slub: Enable slab defragmentation using SMO Tobin C. Harding
2019-03-11 23:35 ` Roman Gushchin
2019-03-12 1:49 ` Tobin C. Harding
2019-03-08 4:14 ` [RFC 10/15] tools/testing/slab: Add object migration test module Tobin C. Harding
2019-03-08 4:14 ` [RFC 11/15] tools/testing/slab: Add object migration test suite Tobin C. Harding
2019-03-08 4:14 ` [RFC 12/15] xarray: Implement migration function for objects Tobin C. Harding
2019-03-12 0:16 ` Roman Gushchin
2019-03-12 1:54 ` Tobin C. Harding
2019-03-08 4:14 ` [RFC 13/15] tools/testing/slab: Add XArray movable objects tests Tobin C. Harding
2019-03-08 4:14 ` [RFC 14/15] slub: Enable move _all_ objects to node Tobin C. Harding
2019-03-08 4:14 ` [RFC 15/15] slub: Enable balancing slab objects across nodes Tobin C. Harding
2019-03-12 0:09 ` [RFC 00/15] mm: Implement Slab Movable Objects (SMO) Roman Gushchin
2019-03-12 1:48 ` Tobin C. Harding
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