jemalloc/src/prof.c

70 static prof_bt_t	*bt_dup(prof_bt_t *bt);
71 static void	bt_destroy(prof_bt_t *bt);
87     prof_bt_t *bt);
100 bt_init(prof_bt_t *bt, void **vec)
105 	bt->vec = vec;
106 	bt->len = 0;
110 bt_destroy(prof_bt_t *bt)
115 	idalloc(bt);
119 bt_dup(prof_bt_t *bt)
133 	    (bt->len * sizeof(void *)));
138 	memcpy(ret->vec, bt->vec, bt->len * sizeof(void *));
139 	ret->len = bt->len;
180 prof_backtrace(prof_bt_t *bt, unsigned nignore)
188 	assert(bt->len == 0);
189 	assert(bt->vec != NULL);
203 	 * remains in bt.
206 		unw_get_reg(&cursor, UNW_REG_IP, (unw_word_t *)&bt->vec[i]);
207 		bt->len++;
233 		data->bt->vec[data->bt->len] = (void *)_Unwind_GetIP(context);
234 		data->bt->len++;
235 		if (data->bt->len == data->max)
243 prof_backtrace(prof_bt_t *bt, unsigned nignore)
245 	prof_unwind_data_t data = {bt, nignore, PROF_BT_MAX};
253 prof_backtrace(prof_bt_t *bt, unsigned nignore)
264 			bt->vec[(i) - nignore] = p;			\
265 			bt->len = (i) - nignore + 1;			\
422 prof_backtrace(prof_bt_t *bt, unsigned nignore)
431 prof_lookup(prof_bt_t *bt)
445 	if (ckh_search(&prof_tdata->bt2cnt, bt, NULL, &ret.v)) {
457 		 * This thread's cache lacks bt.  Look for it in the global
461 		if (ckh_search(&bt2ctx, bt, &btkey.v, &ctx.v)) {
462 			/* bt has never been seen before.  Insert it. */
468 			btkey.p = bt_dup(bt);
474 			ctx.p->bt = btkey.p;
512 			if (ckh_remove(&prof_tdata->bt2cnt, ret.p->ctx->bt,
697 		if (ckh_remove(&bt2ctx, ctx->bt, NULL, NULL))
702 		bt_destroy(ctx->bt);
754 prof_dump_ctx(bool propagate_err, prof_ctx_t *ctx, prof_bt_t *bt)
782 	for (i = 0; i < bt->len; i++) {
784 		    (uintptr_t)bt->vec[i]))
838 	} bt;
888 	for (tabind = 0; ckh_iter(&bt2ctx, &tabind, &bt.v, &ctx.v)
890 		if (prof_dump_ctx(propagate_err, ctx.p, bt.p))
1039 	prof_bt_t *bt = (prof_bt_t *)key;
1043 	hash(bt->vec, bt->len * sizeof(void *), 0x94122f33U, r_hash);