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perf tools: Allow to use cpuinfo on LoongArch

Browse source 
Define these macros so that the CPU name can be displayed when running
'perf report' and 'perf timechart'.

Committer notes:

No need to have:

	if (strcasestr(buf, "Model Name")) {
		strlcpy(cpu_m, &buf[13], 255);
		break;
	} else if (strcasestr(buf, "model name")) {
		strlcpy(cpu_m, &buf[13], 255);
		break;
	}

As the point of strcasestr() is to be case insensitive to both the
haystack and the needle, so simplify the above to just:

	if (strcasestr(buf, "model name")) {
		strlcpy(cpu_m, &buf[13], 255);
		break;
	}

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: loongarch@lists.linux.dev
Cc: loongson-kernel@lists.loongnix.cn
Link: https://lore.kernel.org/r/db968a186a10e4629fe10c26a1210f7126ad41ec.1692962043.git.siyanteng@loongson.cn
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Yanteng Si 2023-08-25 19:28:02 +08:00 committed by Arnaldo Carvalho de Melo
parent 0f2418fddb
commit c56f286f24
2 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
tools/perf/util/header.c
View file

@ -456,6 +456,8 @@ static int write_cpudesc(struct feat_fd *ff,
#define CPUINFO_PROC { "Processor", }
#elif defined(__xtensa__)
#define CPUINFO_PROC { "core ID", }
#elif defined(__loongarch__)
#define CPUINFO_PROC { "Model Name", }
#else
#define CPUINFO_PROC { "model name", }
#endif

2
tools/perf/util/svghelper.c
View file

@ -331,7 +331,7 @@ static char *cpu_model(void)
file = fopen("/proc/cpuinfo", "r");
if (file) {
while (fgets(buf, 255, file)) {
if (strstr(buf, "model name")) {
if (strcasestr(buf, "model name")) {
strlcpy(cpu_m, &buf[13], 255);
break;
}