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authorAdrian Hunter <adrian.hunter@intel.com>2014-10-23 21:16:03 (GMT)
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-10-29 12:32:48 (GMT)
commite477f3f01a89a8fd44031e7f2ba6ffcab037336c (patch)
tree36d6011cee4ae37dd5e0340cca5c1c0a125be42e /tools/perf/config/Makefile
parent42634bc7a02ead59cf2d50e60d8b8f825de8a3b0 (diff)
downloadlinux-e477f3f01a89a8fd44031e7f2ba6ffcab037336c.tar.xz
perf tools: Build programs to copy 32-bit compatibility
perf tools copy VDSO out of memory. However, on 64-bit machines there may be 32-bit compatibility VDOs also. To copy those requires separate 32-bit executables. This patch adds to the build additional programs perf-read-vdso32 and perf-read-vdsox32 for 32-bit and x32 respectively. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com>, Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1414061124-26830-15-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config/Makefile')
-rw-r--r--tools/perf/config/Makefile25
1 files changed, 24 insertions, 1 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 58f6091..3ba2382 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -230,7 +230,9 @@ VF_FEATURE_TESTS = \
bionic \
liberty \
liberty-z \
- cplus-demangle
+ cplus-demangle \
+ compile-32 \
+ compile-x32
# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
# If in the future we need per-feature checks/flags for features not
@@ -622,6 +624,27 @@ ifdef HAVE_KVM_STAT_SUPPORT
CFLAGS += -DHAVE_KVM_STAT_SUPPORT
endif
+ifeq (${IS_64_BIT}, 1)
+ ifndef NO_PERF_READ_VDSO32
+ $(call feature_check,compile-32)
+ ifneq ($(feature-compile-32), 1)
+ NO_PERF_READ_VDSO32 := 1
+ endif
+ endif
+ ifneq (${IS_X86_64}, 1)
+ NO_PERF_READ_VDSOX32 := 1
+ endif
+ ifndef NO_PERF_READ_VDSOX32
+ $(call feature_check,compile-x32)
+ ifneq ($(feature-compile-x32), 1)
+ NO_PERF_READ_VDSOX32 := 1
+ endif
+ endif
+else
+ NO_PERF_READ_VDSO32 := 1
+ NO_PERF_READ_VDSOX32 := 1
+endif
+
# Among the variables below, these:
# perfexecdir
# template_dir