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trace: update old trace events in docs 

Commit c5f1ad429c ("block: Remove
bdrv_aio_readv/writev/flush()") removed
bdrv_aio_readv()/bdrv_aio_writev() so the example in the tracing
documentation is no longer valid.

Reported-by: Wang Dong <dongdwdw@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170714133111.27359-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2017-07-14 14:31:11 +01:00
parent 5caa262fda
commit 304187c51c
1 changed files with 1 additions and 2 deletions
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3
docs/devel/tracing.txt
View File

@ -14,8 +14,7 @@ for debugging, profiling, and observing execution.
2. Create a file with the events you want to trace:
echo bdrv_aio_readv > /tmp/events
echo bdrv_aio_writev >> /tmp/events
echo memory_region_ops_read >/tmp/events
3. Run the virtual machine to produce a trace file: