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authorLi Zefan <lizf@cn.fujitsu.com>2009-04-14 13:59:34 +0800
committerIngo Molnar <mingo@elte.hu>2009-04-16 10:10:58 +0200
commit9908c30997b8a73c95f836170b9998dae9aa3f4a (patch)
treed44d6d663a150c26b5d7be6edebb1abbb88ecc94 /block/blk-sysfs.c
parentd0deef5b14af7d5bbd0003a0a2a1a32326e20a6d (diff)
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>
Diffstat (limited to 'block/blk-sysfs.c')
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