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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-12-01 23:07:34 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-12-04 22:42:15 +0300 |
| commit | 4acef67646f35e14d202d5f534c0fd68d7691b22 (patch) | |
| tree | 4b09ea92e08af3fa77d852bfd8d4621e805eb7f0 /tools/perf/trace | |
| parent | 54373b5d53c1f6aa6164ee5bea4761abb16b351c (diff) | |
| download | linux-4acef67646f35e14d202d5f534c0fd68d7691b22.tar.xz | |
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/trace')
| -rwxr-xr-x | tools/perf/trace/beauty/arch_errno_names.sh | 6 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/beauty.h | 2 |
2 files changed, 3 insertions, 5 deletions
diff --git a/tools/perf/trace/beauty/arch_errno_names.sh b/tools/perf/trace/beauty/arch_errno_names.sh index b6e0767b4b34..7df4bf5b55a3 100755 --- a/tools/perf/trace/beauty/arch_errno_names.sh +++ b/tools/perf/trace/beauty/arch_errno_names.sh @@ -57,13 +57,13 @@ create_arch_errno_table_func() archlist="$1" default="$2" - printf 'const char *arch_syscalls__strerrno(const char *arch, int err)\n' + printf 'arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch)\n' printf '{\n' for arch in $archlist; do printf '\tif (!strcmp(arch, "%s"))\n' $(arch_string "$arch") - printf '\t\treturn errno_to_name__%s(err);\n' $(arch_string "$arch") + printf '\t\treturn errno_to_name__%s;\n' $(arch_string "$arch") done - printf '\treturn errno_to_name__%s(err);\n' $(arch_string "$default") + printf '\treturn errno_to_name__%s;\n' $(arch_string "$default") printf '}\n' } diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h index 788e8f6bd90e..9feb794f5c6e 100644 --- a/tools/perf/trace/beauty/beauty.h +++ b/tools/perf/trace/beauty/beauty.h @@ -251,6 +251,4 @@ size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool sh void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg)); -const char *arch_syscalls__strerrno(const char *arch, int err); - #endif /* _PERF_TRACE_BEAUTY_H */ |