Em Wed, Sep 02, 2020 at 08:03:08PM +0300, Alexey Budankov escreveu: > > On 02.09.2020 13:57, Adrian Hunter wrote: > > Enable the --control option to accept file names as an alternative to > > file descriptors. > > > > Example: > > > > $ mkfifo perf.control > > $ mkfifo perf.ack > > $ cat perf.ack & > > [1] 6808 > > $ perf record --control fifo:perf.control,perf.ack -- sleep 300 & > > [2] 6810 > > $ echo disable > perf.control > > $ Events disabled > > ack > > > > $ echo enable > perf.control > > $ Events enabled > > ack > > > > $ echo disable > perf.control > > $ Events disabled > > ack > > > > $ kill %2 > > [ perf record: Woken up 4 times to write data ] > > $ [ perf record: Captured and wrote 0.018 MB perf.data (7 samples) ] > > > > [1]- Done cat perf.ack > > [2]+ Terminated perf record --control > > fifo:perf.control,perf.ack -- sleep 300 > > $ > > > > Signed-off-by: Adrian Hunter <[email protected]> > > Acked-by: Jiri Olsa <[email protected]>
Its great when things come with the exact sequence of commands to test, the output, etc, keep it that way, please. Thanks, tested, applied, - Arnaldo
