PERF_ITRACE_DEFAULT_PERIOD  989 tools/perf/util/auxtrace.c 		synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;
PERF_ITRACE_DEFAULT_PERIOD 1147 tools/perf/util/auxtrace.c 			synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;