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authorJiajian Ye <yejiajian2018@email.szu.edu.cn>2022-03-25 04:09:26 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-25 05:06:45 +0300
commitcf3c2c8678a0b21052d00b64d7a5903f3b1d1197 (patch)
tree68e45b368fa61d65bf612f530fd39e7906579077 /Documentation/vm
parent56465a38305f22bca3469c2738d7320a0c333e72 (diff)
downloadlinux-cf3c2c8678a0b21052d00b64d7a5903f3b1d1197.tar.xz
tools/vm/page_owner_sort.c: support sorting by tgid and update documentation
When the "page owner" information is read, the information sorted by TGID is expected. As a result, the following adjustments have been made: 1. Add a new -P option to sort the information of blocks by TGID in ascending order. 2. Adjust the order of member variables in block_list strust to avoid one 4 byte hole. 3. Add -P option explanation in the document. Link: https://lkml.kernel.org/r/20220301151438.166118-3-yejiajian2018@email.szu.edu.cn Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn> Cc: Zhenliang Wei <weizhenliang@huawei.com> Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/vm')
-rw-r--r--Documentation/vm/page_owner.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index 2ddb632d847b..941543a797fe 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -116,6 +116,7 @@ Usage
-a Sort by memory allocation time.
-m Sort by total memory.
-p Sort by pid.
+ -P Sort by tgid.
-r Sort by memory release time.
-s Sort by stack trace.
-t Sort by times (default).