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MLK-23302-2 tools: perf: header: add support for checking socname 

Add support for checking socname for ARCH arm64.

Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Joakim Zhang 2020-02-10 10:44:23 +08:00
parent edb9b10ee1
commit 409cc3e78f
3 changed files with 39 additions and 0 deletions
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28
tools/perf/arch/arm64/util/header.c
View File

@ -66,3 +66,31 @@ char *get_cpuid_str(struct perf_pmu *pmu)
perf_cpu_map__put(cpus);
return buf;
}
#define LEN 20
int soc_version_check(const char *soc_name __maybe_unused)
{
FILE *soc_fd;
char name[LEN];
soc_fd = fopen("/sys/devices/soc0/soc_id", "r");
if (!soc_fd) {
pr_debug("fopen failed for file /sys/devices/soc0/soc_id\n");
return false;
}
if (!fgets(name, LEN, soc_fd)) {
pr_debug("get soc name failed\n");
fclose(soc_fd);
return false;
}
fclose(soc_fd);
name[strlen(name) - 1] = '\0';
if (!strcmp(name, soc_name))
return false;
return true;
}

9
tools/perf/util/header.c
View File

@ -844,6 +844,15 @@ int __weak strcmp_cpuid_str(const char *mapcpuid, const char *cpuid)
return 1;
}
/*
* default soc_version_check(): nothing gets recorded
* actual implementation must be in arch/$(SRCARCH)/util/header.c
*/
int __weak soc_version_check(const char *soc_name __maybe_unused)
{
return -1;
}
/*
* default get_cpuid(): nothing gets recorded
* actual implementation must be in arch/$(SRCARCH)/util/header.c

2
tools/perf/util/header.h
View File

@ -165,4 +165,6 @@ int get_cpuid(char *buffer, size_t sz);
char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused);
int strcmp_cpuid_str(const char *s1, const char *s2);
int soc_version_check(const char *soc_name __maybe_unused);
#endif /* __PERF_HEADER_H */