tools/perf/builtin-lock.c

524 bool match_callstack_filter(struct machine *machine, u64 *callstack)
546 		 * The below check will continue to look into callstack,
547 		 * incase first or second callstack index entry has 0
550 		if (!callstack || (!callstack[i] && (strcmp(arch, "powerpc") ||
554 		ip = callstack[i];
1040 	u64 *callstack;
1044 	callstack = calloc(max_stack, sizeof(*callstack));
1045 	if (callstack == NULL)
1054 		callstack[c++] = ip;
1056 	return callstack;
1164 		u64 *callstack = get_callstack(sample, max_stack_depth);
1165 		if (callstack == NULL)
1168 		if (!match_callstack_filter(machine, callstack)) {
1169 			free(callstack);
1173 		if (ls->callstack == NULL)
1174 			ls->callstack = callstack;
1176 			free(callstack);
1765 			if (!st->callstack || !st->callstack[i])
1768 			ip = st->callstack[i];
1818 			if (!st->callstack || !st->callstack[i])
1821 			ip = st->callstack[i];
1929 	/* some entries are collected but hidden by the callstack filter */
2631 	OPT_CALLBACK('S', "callstack-filter", NULL, "NAMES",
2632 		     "Filter specific function in the callstack", parse_call_stack),