diff options
| author | Alexey Budankov <alexey.budankov@linux.intel.com> | 2018-11-06 12:03:35 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-17 14:54:54 -0300 |
| commit | 2a07d814747b386feec7d7150fe519feb2a2a5f2 (patch) | |
| tree | 5bf1626405ef79b53d5d98629543ca3762b12a82 /tools/perf/Makefile.config | |
| parent | 1c6f709b9f96366cc47af23c05ecec9b8c0c392d (diff) | |
| download | linux-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/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index c643d5e0c26b..b66f97a04b12 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -365,6 +365,12 @@ ifeq ($(feature-glibc), 1) CFLAGS += -DHAVE_GLIBC_SUPPORT endif +ifeq ($(feature-libaio), 1) + ifndef NO_AIO + CFLAGS += -DHAVE_AIO_SUPPORT + endif +endif + ifdef NO_DWARF NO_LIBDW_DWARF_UNWIND := 1 endif |