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author | Hendrik Brueckner <brueckner@linux.vnet.ibm.com> | 2018-01-19 09:56:15 +0100 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-01-23 09:51:37 -0300 |
commit | 0337cf74ccf2a43437bff2e23b278e4f2dc4c6e2 (patch) | |
tree | 8dda4b8e36a86d64c562a2698539778812caa5c7 /tools/perf/trace/beauty/beauty.h | |
parent | 28b8f954003e59dbf0b56be6df0d81f83e64f36b (diff) | |
download | linux-stable-0337cf74ccf2a43437bff2e23b278e4f2dc4c6e2.tar.gz linux-stable-0337cf74ccf2a43437bff2e23b278e4f2dc4c6e2.tar.bz2 linux-stable-0337cf74ccf2a43437bff2e23b278e4f2dc4c6e2.zip |
perf util: Introduce architecture specific errno/name mapping
Introduce a script that generates a mapping of errno numbers to their
names for each architecture that is supported by perf (i.e. has a
subdirectory in tools/perf/arch/).
The errno mapping is generated as part of the trace beautifiers and can
be used by including the trace/beauty/arch_errno_names.c file. Then,
use arch_syscalls__strerrno() to look up an errno value to obtain the
errno name (e.g. ENOENT) for a particular architecture.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: linux-s390@vger.kernel.org
LPU-Reference: 1516352177-11106-4-git-send-email-brueckner@linux.vnet.ibm.com
Link: https://lkml.kernel.org/n/tip-8zlsjnuoep2ww39aq5z41fno@git.kernel.org
[ Make x86 be the first arch, most common, add newline to last line, fixing build on centos:5 ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/trace/beauty/beauty.h')
-rw-r--r-- | tools/perf/trace/beauty/beauty.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h index a6dfd04beaee..d8f6b2ec7fc5 100644 --- a/tools/perf/trace/beauty/beauty.h +++ b/tools/perf/trace/beauty/beauty.h @@ -114,4 +114,6 @@ size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size); 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 */ |