| commit | 9908c30997b8a73c95f836170b9998dae9aa3f4a | |
| author | Li Zefan <lizf@cn.fujitsu.com> | |
| Tue, 14 Apr 2009 05:59:34 +0000 (14 13:59 +0800) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Thu, 16 Apr 2009 08:10:58 +0000 (16 10:10 +0200) | ||
| tree | d44d6d663a150c26b5d7be6edebb1abbb88ecc94 | treesnapshot (tar.gz zip) |
| parent | d0deef5b14af7d5bbd0003a0a2a1a32326e20a6d | commitdiff |
blktrace: support per-partition tracing for ftrace plugin
The previous patch adds support to trace a single partition for
relay+ioctl blktrace, and this patch is for ftrace plugin blktrace:
# echo 1 > /sys/block/sda/sda7/enable
# cat start_lba
102398373
# cat end_lba
102703545
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Shawn Du <duyuyang@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
LKML-Reference: <49E42646.4060608@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
The previous patch adds support to trace a single partition for
relay+ioctl blktrace, and this patch is for ftrace plugin blktrace:
# echo 1 > /sys/block/sda/sda7/enable
# cat start_lba
102398373
# cat end_lba
102703545
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Shawn Du <duyuyang@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
LKML-Reference: <49E42646.4060608@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| kernel/trace/blktrace.c | diffblobblamehistory |