linux-kernel - [tip:perf/core] perf kvm: Introduce HAVE_KVM_STAT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <tip-da50ad69723111e0292f1943dad77b41bb9a25b0@git.kernel.org>
Date:	Wed, 16 Jul 2014 12:15:55 -0700
From:	tip-bot for Alexander Yarygin <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	borntraeger@...ibm.com, jolsa@...hat.com, cornelia.huck@...ibm.com,
	yarygin@...ux.vnet.ibm.com, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf kvm: Introduce HAVE_KVM_STAT_SUPPORT flag

Commit-ID:  da50ad69723111e0292f1943dad77b41bb9a25b0
Gitweb:     http://git.kernel.org/tip/da50ad69723111e0292f1943dad77b41bb9a25b0
Author:     Alexander Yarygin <yarygin@...ux.vnet.ibm.com>
AuthorDate: Thu, 3 Jul 2014 17:59:49 +0400
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 7 Jul 2014 16:55:23 -0300

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@...ibm.com>
Reviewed-by: David Ahern <dsahern@...il.com>
Signed-off-by: Alexander Yarygin <yarygin@...ux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@...ibm.com>
Cc: Christian Borntraeger <borntraeger@...ibm.com>
Cc: Cornelia Huck <cornelia.huck@...ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.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@...hat.com>
---
 tools/perf/arch/x86/Makefile | 1 +
 tools/perf/builtin-kvm.c     | 6 +++---
 tools/perf/config/Makefile   | 4 ++++
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile
index 1641542..d393901 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 0f1e5a2..214ec0e 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 346bdb6..b7f42d5 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/