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authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>2018-01-19 09:56:15 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-01-23 09:51:37 -0300
commit0337cf74ccf2a43437bff2e23b278e4f2dc4c6e2 (patch)
tree8dda4b8e36a86d64c562a2698539778812caa5c7 /tools/perf/Makefile.perf
parent28b8f954003e59dbf0b56be6df0d81f83e64f36b (diff)
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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/Makefile.perf')
-rw-r--r--tools/perf/Makefile.perf13
1 files changed, 11 insertions, 2 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 9fdefd748e2e..9a9b528a88bb 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -462,6 +462,13 @@ prctl_option_tbl := $(srctree)/tools/perf/trace/beauty/prctl_option.sh
$(prctl_option_array): $(prctl_hdr_dir)/prctl.h $(prctl_option_tbl)
$(Q)$(SHELL) '$(prctl_option_tbl)' $(prctl_hdr_dir) > $@
+arch_errno_name_array := $(beauty_outdir)/arch_errno_name_array.c
+arch_errno_hdr_dir := $(srctree)/tools
+arch_errno_tbl := $(srctree)/tools/perf/trace/beauty/arch_errno_names.sh
+
+$(arch_errno_name_array): $(arch_errno_tbl)
+ $(Q)$(SHELL) '$(arch_errno_tbl)' $(CC) $(arch_errno_hdr_dir) > $@
+
all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)
$(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_DYNAMIC_LIST)
@@ -565,7 +572,8 @@ prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioc
$(vhost_virtio_ioctl_array) \
$(madvise_behavior_array) \
$(perf_ioctl_array) \
- $(prctl_option_array)
+ $(prctl_option_array) \
+ $(arch_errno_name_array)
$(OUTPUT)%.o: %.c prepare FORCE
$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
@@ -847,7 +855,8 @@ clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clea
$(OUTPUT)$(kcmp_type_array) \
$(OUTPUT)$(vhost_virtio_ioctl_array) \
$(OUTPUT)$(perf_ioctl_array) \
- $(OUTPUT)$(prctl_option_array)
+ $(OUTPUT)$(prctl_option_array) \
+ $(OUTPUT)$(arch_errno_name_array)
$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
#