[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20190520054017.32299-7-tobin@kernel.org>
Date: Mon, 20 May 2019 15:40:07 +1000
From: "Tobin C. Harding" <tobin@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
Matthew Wilcox <willy@...radead.org>
Cc: "Tobin C. Harding" <tobin@...nel.org>,
Roman Gushchin <guro@...com>,
Alexander Viro <viro@....linux.org.uk>,
Christoph Hellwig <hch@...radead.org>,
Pekka Enberg <penberg@...helsinki.fi>,
David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Christopher Lameter <cl@...ux.com>,
Miklos Szeredi <mszeredi@...hat.com>,
Andreas Dilger <adilger@...ger.ca>,
Waiman Long <longman@...hat.com>,
Tycho Andersen <tycho@...ho.ws>, Theodore Ts'o <tytso@....edu>,
Andi Kleen <ak@...ux.intel.com>,
David Chinner <david@...morbit.com>,
Nick Piggin <npiggin@...il.com>,
Rik van Riel <riel@...hat.com>,
Hugh Dickins <hughd@...gle.com>,
Jonathan Corbet <corbet@....net>, linux-mm@...ck.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH v5 06/16] tools/vm/slabinfo: Add defrag_used_ratio output
Add output for the newly added defrag_used_ratio sysfs knob.
Signed-off-by: Tobin C. Harding <tobin@...nel.org>
---
tools/vm/slabinfo.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c
index d2c22f9ee2d8..ef4ff93df4cc 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
Powered by blists - more mailing lists