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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-12-01 17:07:34 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-12-04 16:42:15 -0300 |
| commit | 4acef67646f35e14d202d5f534c0fd68d7691b22 (patch) | |
| tree | 4b09ea92e08af3fa77d852bfd8d4621e805eb7f0 /tools/perf/util/env.h | |
| parent | 54373b5d53c1f6aa6164ee5bea4761abb16b351c (diff) | |
| download | linux-stable-4acef67646f35e14d202d5f534c0fd68d7691b22.tar.gz linux-stable-4acef67646f35e14d202d5f534c0fd68d7691b22.tar.bz2 linux-stable-4acef67646f35e14d202d5f534c0fd68d7691b22.zip | |
perf env: Cache the arch specific strerrno function in perf_env__arch_strerrno()
So that we don't have to go thru the series of strcmp(arch) calls for
each id -> string translation.
Reviewed-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/20231201203046.486596-3-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/env.h')
| -rw-r--r-- | tools/perf/util/env.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index 79f371879f45..bf7e3c4c211f 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -53,6 +53,10 @@ struct pmu_caps { char *pmu_name; }; +typedef const char *(arch_syscalls__strerrno_t)(int err); + +arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch); + struct perf_env { char *hostname; char *os_release; @@ -135,6 +139,7 @@ struct perf_env { */ bool enabled; } clock; + arch_syscalls__strerrno_t *arch_strerrno; }; enum perf_compress_type { |