30  * Process hwpmc(4) samples as calltree.
159  * Initialize a samples.
163 pmcpl_ct_samples_init(struct pmcpl_ct_sample *samples)  in pmcpl_ct_samples_init()  argument
166 	samples->npmcs = 0;  in pmcpl_ct_samples_init()
167 	samples->sb = NULL;  in pmcpl_ct_samples_init()
171  * Free a samples.
175 pmcpl_ct_samples_free(struct pmcpl_ct_sample *samples)  in pmcpl_ct_samples_free()  argument
178 	samples->npmcs = 0;  in pmcpl_ct_samples_free()
179 	free(samples->sb);  in pmcpl_ct_samples_free()
180 	samples->sb = NULL;  in pmcpl_ct_samples_free()
188 pmcpl_ct_samples_grow(struct pmcpl_ct_sample *samples)  in pmcpl_ct_samples_grow()  argument
193 	if (pmcstat_npmcs <= samples->npmcs)  in pmcpl_ct_samples_grow()
196 	npmcs = samples->npmcs +  in pmcpl_ct_samples_grow()
197 	    max(pmcstat_npmcs - samples->npmcs, PMCPL_CT_GROWSIZE);  in pmcpl_ct_samples_grow()
198 	samples->sb = reallocarray(samples->sb, npmcs, sizeof(unsigned));  in pmcpl_ct_samples_grow()
199 	if (samples->sb == NULL)  in pmcpl_ct_samples_grow()
201 	bzero((char *)samples->sb + samples->npmcs * sizeof(unsigned),  in pmcpl_ct_samples_grow()
202 	    (npmcs - samples->npmcs) * sizeof(unsigned));  in pmcpl_ct_samples_grow()
203 	samples->npmcs = npmcs;  in pmcpl_ct_samples_grow()
211 pmcpl_ct_samples_root(struct pmcpl_ct_sample *samples)  in pmcpl_ct_samples_root()  argument
215 	pmcpl_ct_samples_init(samples);  in pmcpl_ct_samples_root()
216 	pmcpl_ct_samples_grow(samples);  in pmcpl_ct_samples_root()
220 			samples->sb[pmcin] += PMCPL_CT_SAMPLE(pmcin,  in pmcpl_ct_samples_root()
384 	 * We need to check that some samples exist  in pmcpl_ct_node_dumptop()