[PATCH 06/10] perf: Migrate perf to use new tick dependency mask model

2015-07-23 Thread Frederic Weisbecker
Instead of providing asynchronous checks for the nohz subsystem to verify perf event tick dependency, migrate perf to the new mask. Perf needs the tick for two situations: 1) Freq events. We could set the tick dependency when those are installed on a CPU context. But setting a global dependency

[PATCH 06/10] perf: Migrate perf to use new tick dependency mask model

2015-07-23 Thread Frederic Weisbecker
Instead of providing asynchronous checks for the nohz subsystem to verify perf event tick dependency, migrate perf to the new mask. Perf needs the tick for two situations: 1) Freq events. We could set the tick dependency when those are installed on a CPU context. But setting a global dependency