diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-15 16:00:11 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-15 17:24:31 +0200 |
commit | 8829e56fa050998164e496d380cd69186ae9b8d0 (patch) | |
tree | c7ea46f40b3d52bd171555b6ad87d90785081081 /tools/perf/util/evswitch.c | |
parent | perf evswitch: Move struct to a separate header to use in other tools (diff) | |
download | linux-8829e56fa050998164e496d380cd69186ae9b8d0.tar.xz linux-8829e56fa050998164e496d380cd69186ae9b8d0.zip |
perf evswitch: Move switch logic to use in other tools
Now other tools that want switching can use an evswitch for that, just
set it up and add it to the PERF_RECORD_SAMPLE processing function.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-b1trj1q97qwfv251l66q3noj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evswitch.c')
-rw-r--r-- | tools/perf/util/evswitch.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/perf/util/evswitch.c b/tools/perf/util/evswitch.c new file mode 100644 index 000000000000..c87f988d81c8 --- /dev/null +++ b/tools/perf/util/evswitch.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> + +#include "evswitch.h" + +bool evswitch__discard(struct evswitch *evswitch, struct evsel *evsel) +{ + if (evswitch->on && evswitch->discarding) { + if (evswitch->on != evsel) + return true; + + evswitch->discarding = false; + + if (!evswitch->show_on_off_events) + return true; + + return false; + } + + if (evswitch->off && !evswitch->discarding) { + if (evswitch->off != evsel) + return false; + + evswitch->discarding = true; + + if (!evswitch->show_on_off_events) + return true; + } + + return false; +} |