Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include "pmu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include "topdown.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) int topdown_filter_events(const char **attr, char **str, bool use_group)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	int off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	char *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	for (i = 0; attr[i]; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		if (pmu_have_event("cpu", attr[i])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 			len += strlen(attr[i]) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 			attr[i - off] = attr[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 			off++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	attr[i - off] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	*str = malloc(len + 1 + 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	if (!*str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	s = *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	if (i - off == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		*s = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	if (use_group)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		*s++ = '{';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	for (i = 0; attr[i]; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		strcpy(s, attr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		s += strlen(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		*s++ = ',';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	if (use_group) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		s[-1] = '}';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		*s = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		s[-1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) __weak bool arch_topdown_check_group(bool *warn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	*warn = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) __weak void arch_topdown_group_warn(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) __weak bool arch_topdown_sample_read(struct evsel *leader __maybe_unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }