21 static double sym_weight(const struct sym_entry *sym, struct perf_top *top)  in sym_weight()  argument
26 	if (!top->display_weighted)  in sym_weight()
29 	for (counter = 1; counter < top->evlist->nr_entries - 1; counter++)  in sym_weight()
37 static void perf_top__remove_active_sym(struct perf_top *top, struct sym_entry *syme)  in perf_top__remove_active_sym()  argument
39 	pthread_mutex_lock(&top->active_symbols_lock);  in perf_top__remove_active_sym()
41 	pthread_mutex_unlock(&top->active_symbols_lock);  in perf_top__remove_active_sym()
70 size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)  in perf_top__header_snprintf()  argument
73 	float samples_per_sec = top->samples / top->delay_secs;  in perf_top__header_snprintf()
74 	float ksamples_per_sec = top->kernel_samples / top->delay_secs;  in perf_top__header_snprintf()
75 	float esamples_percent = (100.0 * top->exact_samples) / top->samples;  in perf_top__header_snprintf()
86 		float us_samples_per_sec = top->us_samples / top->delay_secs;  in perf_top__header_snprintf()
87 		float guest_kernel_samples_per_sec = top->guest_kernel_samples / top->delay_secs;  in perf_top__header_snprintf()
88 		float guest_us_samples_per_sec = top->guest_us_samples / top->delay_secs;  in perf_top__header_snprintf()
107 	if (top->evlist->nr_entries == 1 || !top->display_weighted) {  in perf_top__header_snprintf()
109 		first = list_entry(top->evlist->entries.next, struct perf_evsel, node);  in perf_top__header_snprintf()
112 				top->freq ? "Hz" : "");  in perf_top__header_snprintf()
115 	if (!top->display_weighted) {  in perf_top__header_snprintf()
117 				event_name(top->sym_evsel));  in perf_top__header_snprintf()
125 		list_for_each_entry(counter, &top->evlist->entries, node) {  in perf_top__header_snprintf()
139 	if (top->target_pid != -1)  in perf_top__header_snprintf()
141 				top->target_pid);  in perf_top__header_snprintf()
142 	else if (top->target_tid != -1)  in perf_top__header_snprintf()
144 				top->target_tid);  in perf_top__header_snprintf()
148 	if (top->cpu_list)  in perf_top__header_snprintf()
150 				top->evlist->cpus->nr > 1 ? "s" : "", top->cpu_list);  in perf_top__header_snprintf()
152 		if (top->target_tid != -1)  in perf_top__header_snprintf()
156 					top->evlist->cpus->nr,  in perf_top__header_snprintf()
157 					top->evlist->cpus->nr > 1 ? "s" : "");  in perf_top__header_snprintf()
163 void perf_top__reset_sample_counters(struct perf_top *top)  in perf_top__reset_sample_counters()  argument
165 	top->samples = top->us_samples = top->kernel_samples =  in perf_top__reset_sample_counters()
166 	top->exact_samples = top->guest_kernel_samples =  in perf_top__reset_sample_counters()
167 	top->guest_us_samples = 0;  in perf_top__reset_sample_counters()
170 float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)  in perf_top__decay_samples()  argument
174 	int snap = !top->display_weighted ? top->sym_evsel->idx : 0, j;  in perf_top__decay_samples()
177 	pthread_mutex_lock(&top->active_symbols_lock);  in perf_top__decay_samples()
178 	syme = list_entry(top->active_symbols.next, struct sym_entry, node);  in perf_top__decay_samples()
179 	pthread_mutex_unlock(&top->active_symbols_lock);  in perf_top__decay_samples()
181 	top->rb_entries = 0;  in perf_top__decay_samples()
182 	list_for_each_entry_safe_from(syme, n, &top->active_symbols, node) {  in perf_top__decay_samples()
186 			if ((top->hide_user_symbols &&  in perf_top__decay_samples()
188 			    (top->hide_kernel_symbols &&  in perf_top__decay_samples()
190 				perf_top__remove_active_sym(top, syme);  in perf_top__decay_samples()
193 			syme->weight = sym_weight(syme, top);  in perf_top__decay_samples()
195 			if ((int)syme->snap_count >= top->count_filter) {  in perf_top__decay_samples()
197 				++top->rb_entries;  in perf_top__decay_samples()
201 			for (j = 0; j < top->evlist->nr_entries; j++)  in perf_top__decay_samples()
202 				syme->count[j] = top->zero ? 0 : syme->count[j] * 7 / 8;  in perf_top__decay_samples()
204 			perf_top__remove_active_sym(top, syme);  in perf_top__decay_samples()
213 void perf_top__find_widths(struct perf_top *top, struct rb_root *root,  in perf_top__find_widths()  argument
225 		if (++printed > top->print_entries ||  in perf_top__find_widths()
226 		    (int)syme->snap_count < top->count_filter)  in perf_top__find_widths()