usr.sbin/pmcstat/pmcpl_gprof.c

121 pmcstat_gmon_create_file(struct pmcstat_gmonfile *pgf,
130 	pathname = pmcstat_string_unintern(pgf->pgf_name);
137 	gm.ncnt = (pgf->pgf_nbuckets * hc_sz) + sizeof(struct gmonhdr);
153 	count = pgf->pgf_ndatabytes - sizeof(struct gmonhdr);
200 pmcstat_gmon_map_file(struct pmcstat_gmonfile *pgf)
205 	pathname = pmcstat_string_unintern(pgf->pgf_name);
211 	pgf->pgf_gmondata = mmap(NULL, pgf->pgf_ndatabytes,
214 	if (pgf->pgf_gmondata == MAP_FAILED)
225 pmcstat_gmon_unmap_file(struct pmcstat_gmonfile *pgf)
227 	(void) msync(pgf->pgf_gmondata, pgf->pgf_ndatabytes,
229 	(void) munmap(pgf->pgf_gmondata, pgf->pgf_ndatabytes);
230 	pgf->pgf_gmondata = NULL;
239 	struct pmcstat_gmonfile *pgf;
241 	if ((pgf = pmcstat_image_find_gmonfile(image, pmcid)) == NULL)
244 	if (pgf->pgf_file == NULL) {
245 		pathname = pmcstat_string_unintern(pgf->pgf_name);
246 		if ((pgf->pgf_file = fopen(pathname, "a")) == NULL)
254 	(void) fwrite(&arc, sizeof(arc), 1, pgf->pgf_file);
261 	struct pmcstat_gmonfile *pgf;
262 	LIST_FOREACH(pgf, &image->pi_gmlist, pgf_next)
263 	    if (pgf->pgf_pmcid == pmcid)
264 		    return (pgf);
369 	struct pmcstat_gmonfile *pgf, *pgftmp;
371 	LIST_FOREACH_SAFE(pgf, &pi->pi_gmlist, pgf_next, pgftmp) {
372 		if (pgf->pgf_file)
373 			(void) fclose(pgf->pgf_file);
374 		LIST_REMOVE(pgf, pgf_next);
375 		free(pgf);
414 	struct pmcstat_gmonfile *pgf;
453 	pgf = pmcstat_image_find_gmonfile(image, pmcid);
454 	if (pgf == NULL) {
463 		if ((pgf = calloc(1, sizeof(*pgf))) == NULL)
466 		pgf->pgf_gmondata = NULL;	/* mark as unmapped */
467 		pgf->pgf_name = pmcstat_gmon_create_name(args.pa_samplesdir,
469 		pgf->pgf_pmcid = pmcid;
471 		pgf->pgf_nbuckets = (image->pi_end - image->pi_start) /
473 		pgf->pgf_ndatabytes = sizeof(struct gmonhdr) +
474 		    pgf->pgf_nbuckets * hc_sz;
475 		pgf->pgf_nsamples = 0;
476 		pgf->pgf_file = NULL;
478 		pmcstat_gmon_create_file(pgf, image);
480 		LIST_INSERT_HEAD(&image->pi_gmlist, pgf, pgf_next);
487 	if (pgf->pgf_gmondata == NULL)
488 		pmcstat_gmon_map_file(pgf);
490 	assert(pgf->pgf_gmondata != NULL);
498 	assert(bucket < pgf->pgf_nbuckets);
501 		whc = (WIDEHISTCOUNTER *) ((uintptr_t) pgf->pgf_gmondata +
508 			pgf->pgf_overflow = 1;
510 		hc = (HISTCOUNTER *) ((uintptr_t) pgf->pgf_gmondata +
517 			pgf->pgf_overflow = 1;
520 	pgf->pgf_nsamples++;
531 	struct pmcstat_gmonfile *pgf;
546 			LIST_FOREACH(pgf, &pi->pi_gmlist, pgf_next) {
547 				pmcstat_gmon_unmap_file(pgf);
551 					    pgf->pgf_pmcid),
552 					    pgf->pgf_nsamples);
553 				if (pgf->pgf_overflow && args.pa_verbosity >= 1)
557 					        pgf->pgf_name));