1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
| // SPDX-License-Identifier: GPL-2.0
| // Copyright (C) 2005-2017 Andes Technology Corporation
|
| #include <stdio.h>
| #include <stdlib.h>
| #include <api/fs/fs.h>
| #include "header.h"
|
| #define STR_LEN 1024
|
| char *get_cpuid_str(struct perf_pmu *pmu)
| {
| /* In nds32, we only have one cpu */
| char *buf = NULL;
| struct cpu_map *cpus;
| const char *sysfs = sysfs__mountpoint();
|
| if (!sysfs || !pmu || !pmu->cpus)
| return NULL;
|
| buf = malloc(STR_LEN);
| if (!buf)
| return NULL;
|
| cpus = cpu_map__get(pmu->cpus);
| sprintf(buf, "0x%x", cpus->nr - 1);
| cpu_map__put(cpus);
| return buf;
| }
|
|
