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authorAlexey Budankov <alexey.budankov@linux.intel.com>2018-11-06 12:03:35 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-12-17 14:54:54 -0300
commit2a07d814747b386feec7d7150fe519feb2a2a5f2 (patch)
tree5bf1626405ef79b53d5d98629543ca3762b12a82 /tools/build/feature/Makefile
parent1c6f709b9f96366cc47af23c05ecec9b8c0c392d (diff)
downloadlinux-2a07d814747b386feec7d7150fe519feb2a2a5f2.tar.bz2
tools build feature: Check if libaio is available
This will be used by 'perf record' to speed up reading the perf ring buffer. Committer testing: $ make -C tools/perf O=/tmp/build/perf make: Entering directory '/home/acme/git/perf/tools/perf' BUILD: Doing 'make -j8' parallel build Auto-detecting system features: ... dwarf: [ on ] ... dwarf_getlocations: [ on ] ... glibc: [ on ] ... gtk2: [ OFF ] ... libaudit: [ OFF ] ... libbfd: [ OFF ] ... libelf: [ on ] ... libnuma: [ OFF ] ... numa_num_possible_cpus: [ OFF ] ... libperl: [ OFF ] ... libpython: [ OFF ] ... libslang: [ on ] ... libcrypto: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] ... get_cpuid: [ on ] ... bpf: [ on ] ... libaio: [ on ] $ ls -la /tmp/build/perf/feature/test-libaio.* -rwxrwxr-x. 1 acme acme 18296 Nov 26 08:49 /tmp/build/perf/feature/test-libaio.bin -rw-rw-r--. 1 acme acme 1165 Nov 26 08:49 /tmp/build/perf/feature/test-libaio.d -rw-rw-r--. 1 acme acme 0 Nov 26 08:49 /tmp/build/perf/feature/test-libaio.make.output $ $ grep -i aio /tmp/build/perf/FEATURE-DUMP feature-libaio=1 $ Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/5fcda10c-6c63-68df-383a-c6d9e5d1f918@linux.intel.com [ split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build/feature/Makefile')
-rw-r--r--tools/build/feature/Makefile6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 38c22e122cb0..2dbcc0d00f52 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -61,7 +61,8 @@ FILES= \
test-libopencsd.bin \
test-clang.bin \
test-llvm.bin \
- test-llvm-version.bin
+ test-llvm-version.bin \
+ test-libaio.bin
FILES := $(addprefix $(OUTPUT),$(FILES))
@@ -297,6 +298,9 @@ $(OUTPUT)test-clang.bin:
-include $(OUTPUT)*.d
+$(OUTPUT)test-libaio.bin:
+ $(BUILD) -lrt
+
###############################
clean: