tree 5fc5b4d0935e70c3c2c784bc7dec0694e12e0b23
parent f246b86672118e4f0d0782f4c240d3666aa36710
author Paolo Bonzini <pbonzini@redhat.com> 1452174926 +0300
committer Stefan Hajnoczi <stefanha@redhat.com> 1454491149 +0000

trace: add "-trace enable=..."

Allow enabling events without going through a file, for example:

   qemu-system-x86_64 -trace bdrv_aio_writev -trace bdrv_aio_readv

or with globbing too:

   qemu-system-x86_64 -trace 'bdrv_aio_*'

if an appropriate backend is enabled (simple, stderr, ftrace).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-id: 1452174932-28657-6-git-send-email-den@openvz.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>