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authorAlexander Yarygin <yarygin@linux.vnet.ibm.com>2014-07-03 17:59:49 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-07-07 16:55:23 -0300
commitda50ad69723111e0292f1943dad77b41bb9a25b0 (patch)
treeeb0f7455fb95de36a05f00fa9a2c9b99e60dd38e /tools/perf
parent1561880d7b114a65e307d1ac9a0991dc715355b3 (diff)
downloadblackbird-op-linux-da50ad69723111e0292f1943dad77b41bb9a25b0.tar.gz
blackbird-op-linux-da50ad69723111e0292f1943dad77b41bb9a25b0.zip
perf kvm: Introduce HAVE_KVM_STAT_SUPPORT flag
kvm stat support is currently conditional on i386/x86_64. Let's abstract this into a HAVE_KVM_STAT_SUPPORT flag, so that other architectures can support kvm stat as well. Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1404395992-17095-2-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/arch/x86/Makefile1
-rw-r--r--tools/perf/builtin-kvm.c6
-rw-r--r--tools/perf/config/Makefile4
3 files changed, 8 insertions, 3 deletions
diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile
index 1641542e3636..d3939014a877 100644
--- a/tools/perf/arch/x86/Makefile
+++ b/tools/perf/arch/x86/Makefile
@@ -15,3 +15,4 @@ endif
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/tsc.o
LIB_H += arch/$(ARCH)/util/tsc.h
+HAVE_KVM_STAT_SUPPORT := 1
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 0f1e5a2f6ad7..214ec0e7492b 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -29,7 +29,7 @@
#include <pthread.h>
#include <math.h>
-#if defined(__i386__) || defined(__x86_64__)
+#ifdef HAVE_KVM_STAT_SUPPORT
#include <asm/svm.h>
#include <asm/vmx.h>
#include <asm/kvm.h>
@@ -1609,7 +1609,7 @@ static int kvm_cmd_stat(const char *file_name, int argc, const char **argv)
perf_stat:
return cmd_stat(argc, argv, NULL);
}
-#endif
+#endif /* HAVE_KVM_STAT_SUPPORT */
static int __cmd_record(const char *file_name, int argc, const char **argv)
{
@@ -1726,7 +1726,7 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
return cmd_top(argc, argv, NULL);
else if (!strncmp(argv[0], "buildid-list", 12))
return __cmd_buildid_list(file_name, argc, argv);
-#if defined(__i386__) || defined(__x86_64__)
+#ifdef HAVE_KVM_STAT_SUPPORT
else if (!strncmp(argv[0], "stat", 4))
return kvm_cmd_stat(file_name, argc, argv);
#endif
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 346bdb617544..b7f42d577c4e 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -594,6 +594,10 @@ ifndef NO_LIBNUMA
endif
endif
+ifdef HAVE_KVM_STAT_SUPPORT
+ CFLAGS += -DHAVE_KVM_STAT_SUPPORT
+endif
+
# Among the variables below, these:
# perfexecdir
# template_dir
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