nr_freq           765 include/linux/perf_event.h 	int				nr_freq;
nr_freq          2113 kernel/events/core.c 		ctx->nr_freq--;
nr_freq          2384 kernel/events/core.c 		ctx->nr_freq++;
nr_freq          3717 kernel/events/core.c 	if (!(ctx->nr_freq || needs_unthr))