• Arnaldo Carvalho de Melo's avatar
    perf evsel: Support event groups · f08199d3
    Arnaldo Carvalho de Melo authored
    The perf_evsel__open now have an extra boolean argument specifying if
    event grouping is desired.
    The first file descriptor created on a CPU becomes the group leader.
    Cc: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Ingo Molnar <mingo@elte.hu>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: Tom Zanussi <tzanussi@gmail.com>
    LKML-Reference: <new-submission>
    Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>