1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
>> 2 #include <stdio.h>
>> 3 #include "pmu.h"
>> 4 #include "pmu-hybrid.h"
2 #include "topdown.h" 5 #include "topdown.h"
3 #include <linux/kernel.h> !! 6
>> 7 int topdown_filter_events(const char **attr, char **str, bool use_group,
>> 8 const char *pmu_name)
>> 9 {
>> 10 int off = 0;
>> 11 int i;
>> 12 int len = 0;
>> 13 char *s;
>> 14 bool is_hybrid = perf_pmu__is_hybrid(pmu_name);
>> 15
>> 16 for (i = 0; attr[i]; i++) {
>> 17 if (pmu_have_event(pmu_name, attr[i])) {
>> 18 if (is_hybrid)
>> 19 len += strlen(attr[i]) + strlen(pmu_name) + 3;
>> 20 else
>> 21 len += strlen(attr[i]) + 1;
>> 22 attr[i - off] = attr[i];
>> 23 } else
>> 24 off++;
>> 25 }
>> 26 attr[i - off] = NULL;
>> 27
>> 28 *str = malloc(len + 1 + 2);
>> 29 if (!*str)
>> 30 return -1;
>> 31 s = *str;
>> 32 if (i - off == 0) {
>> 33 *s = 0;
>> 34 return 0;
>> 35 }
>> 36 if (use_group)
>> 37 *s++ = '{';
>> 38 for (i = 0; attr[i]; i++) {
>> 39 if (!is_hybrid)
>> 40 strcpy(s, attr[i]);
>> 41 else
>> 42 sprintf(s, "%s/%s/", pmu_name, attr[i]);
>> 43 s += strlen(s);
>> 44 *s++ = ',';
>> 45 }
>> 46 if (use_group) {
>> 47 s[-1] = '}';
>> 48 *s = 0;
>> 49 } else
>> 50 s[-1] = 0;
>> 51 return 0;
>> 52 }
>> 53
>> 54 __weak bool arch_topdown_check_group(bool *warn)
>> 55 {
>> 56 *warn = false;
>> 57 return false;
>> 58 }
>> 59
>> 60 __weak void arch_topdown_group_warn(void)
>> 61 {
>> 62 }
4 63
5 __weak bool arch_topdown_sample_read(struct ev 64 __weak bool arch_topdown_sample_read(struct evsel *leader __maybe_unused)
6 { 65 {
7 return false; 66 return false;
>> 67 }
>> 68
>> 69 __weak const char *arch_get_topdown_pmu_name(struct evlist *evlist
>> 70 __maybe_unused,
>> 71 bool warn __maybe_unused)
>> 72 {
>> 73 return "cpu";
8 } 74 }
9 75
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