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| author | Adrian Hunter <adrian.hunter@intel.com> | 2018-05-17 11:21:53 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-19 11:42:50 +0200 |
| commit | dbbd34a666ee117d0e39e71a47f38f02c4a5c698 (patch) | |
| tree | 6d0a7241f31e13776c0fb04d93a246be1f7da249 /tools/perf/util/env.c | |
| parent | perf bpf: Fixup include and examples install messages (diff) | |
| download | linux-dbbd34a666ee117d0e39e71a47f38f02c4a5c698.tar.xz linux-dbbd34a666ee117d0e39e71a47f38f02c4a5c698.zip | |
perf machine: Add machine__is() to identify machine arch
Add a function to identify the machine architecture.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/1526548928-20790-6-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/env.c')
| -rw-r--r-- | tools/perf/util/env.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 4c842762e3f2..319fb0a0d05e 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -93,6 +93,24 @@ int perf_env__read_cpu_topology_map(struct perf_env *env) return 0; } +static int perf_env__read_arch(struct perf_env *env) +{ + struct utsname uts; + + if (env->arch) + return 0; + + if (!uname(&uts)) + env->arch = strdup(uts.machine); + + return env->arch ? 0 : -ENOMEM; +} + +const char *perf_env__raw_arch(struct perf_env *env) +{ + return env && !perf_env__read_arch(env) ? env->arch : "unknown"; +} + void cpu_cache_level__free(struct cpu_cache_level *cache) { free(cache->type); |