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| author | Jiri Olsa <jolsa@kernel.org> | 2016-01-15 04:00:17 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-15 16:32:00 -0300 |
| commit | b8e52be00ca7e7659e8ee172ce9e6f0c6af28ec8 (patch) | |
| tree | e1256b3b57121cbbc17d7cf4711c1348347e71fd /tools | |
| parent | c15e758c4bd7fbe38983e36258541ffcf81e1500 (diff) | |
| download | lwn-b8e52be00ca7e7659e8ee172ce9e6f0c6af28ec8.tar.gz lwn-b8e52be00ca7e7659e8ee172ce9e6f0c6af28ec8.zip | |
perf build: Add feature-dump target
To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY) if defined, with no
further action.
Get feature dump of the current build:
$ make feature-dump
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
FEATURE-DUMP file available in FEATURE-DUMP
Get feature dump static build into /tmp/fd file:
$ make feature-dump FEATURE_DUMP_COPY=/tmp/fd LDFLAGS=-static
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ OFF ]
SNIP
FEATURE-DUMP file copied into /tmp/fd
Suggested-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1452830421-77757-6-git-send-email-wangnan0@huawei.com
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Makefile.perf | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 0a22407e1d7d..f758a72df1b3 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -611,6 +611,17 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(python-clean) # +# To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY) +# file if defined, with no further action. +feature-dump: +ifdef FEATURE_DUMP_COPY + @cp $(OUTPUT)FEATURE-DUMP $(FEATURE_DUMP_COPY) + @echo "FEATURE-DUMP file copied into $(FEATURE_DUMP_COPY)" +else + @echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP" +endif + +# # Trick: if ../../.git does not exist - we are building out of tree for example, # then force version regeneration: # |