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56f3bae706
This perf stat option emulates valgrind's --log-fd option, allowing the user to send perf results elsewhere, and leaving stderr for use by the program under test. This complements --output file option, and is mutually exclusive with it. 3>results perf stat --log-fd 3 -- $cmd 3>>results perf stat --log-fd 3 --append -- $cmd The perl distro's make test.valgrind target uses valgrind's --log-fd option, I've adapted it to invoke perf also, and tested this patch there. Link: http://lkml.kernel.org/r/1315437244-3788-2-git-send-email-jim.cromie@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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virtio |