sample_freq_str  2636 tools/perf/util/hist.c 	char buf[512], sample_freq_str[64] = "";
sample_freq_str  2670 tools/perf/util/hist.c 		scnprintf(sample_freq_str, sizeof(sample_freq_str), " %d Hz,", evsel->core.attr.sample_freq);
sample_freq_str  2676 tools/perf/util/hist.c 			   ev_name, sample_freq_str, enable_ref ? ref : " ", nr_events);