| 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
| ||
|
Date: Fri, 24 Oct 2014 00:28:17 +0200
From: Alexis Berlemont <alexis.berlemont@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Alexis Berlemont <alexis.berlemont@...il.com>, jolsa@...hat.com,
dsahern@...il.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
paulus@...ba.org, acme@...nel.org, namhyung@...nel.org,
mmarek@...e.cz
Subject: [PATCH v3 09/14] perf kbuild: remove legacy misc build variables
Remove NO_LIBAUDIT (replaced by CONFIG_LIBAUDIT)
Remove HAVE_LIBAUDIT_SUPPORT from CFLAGS (replaced by CONFIG_LIBAUDIT)
Remove HAVE_TIMERFD_SUPPORT (replaced by CONFIG_TIMERFD)
Remove HAVE_ON_EXIT_SUPPORT (replaced by CONFIG_ON_EXIT)
Remove HAVE_BACKTRACE_SUPPORT (replaced by CONFIG_BACKTRACE)
Remove HAVE_LIBNUMA_SUPPORT (replaced by CONFIG_LIBNUMA)
Remove NO_BIONIC (replaced by CONFIG_BIONIC)
Remove NO_PERF_REGS (replaced by CONFIG_PERF_REGS)
Signed-off-by: Alexis Berlemont <alexis.berlemont@...il.com>
---
tools/perf/Kconfig | 12 ++++++++--
tools/perf/arch/arm/tests/Kbuild | 2 +-
tools/perf/arch/x86/tests/Kbuild | 2 +-
tools/perf/bench/Kbuild | 2 +-
tools/perf/builtin-bench.c | 5 ++--
tools/perf/builtin-kvm.c | 13 ++++++-----
tools/perf/builtin-record.c | 2 ++
tools/perf/config/Makefile | 43 +++++++++++++----------------------
tools/perf/config/Makefile.fix-config | 32 --------------------------
tools/perf/config/Makefile.fix-legacy | 16 -------------
tools/perf/util/perf_regs.c | 3 +++
tools/perf/util/perf_regs.h | 6 +++--
tools/perf/util/util.c | 5 ++--
13 files changed, 51 insertions(+), 92 deletions(-)
diff --git a/tools/perf/Kconfig b/tools/perf/Kconfig
index 5f85923..29853a6 100644
--- a/tools/perf/Kconfig
+++ b/tools/perf/Kconfig
@@ -312,8 +312,8 @@ config LIBUNWIND_DIR
Directory holding the libuwind dependency (headers +
libraries).
-config NUMA
- bool "Numa support (bench)"
+config LIBNUMA
+ bool "Libnuma support"
default y
---help---
The library libnuma offers facilities to configure NUMA
@@ -327,6 +327,14 @@ config BIONIC
library code developed by Google for their Android operating
system.
+config PERF_REGS
+ bool "Cache register accesses"
+ depends on (ARCH = "x86" || ARCH = "arm" || ARCH = "arm64")
+ default y
+ ---help---
+ Cache register accesses for unwind processing to speed-up
+ performances.
+
endmenu
menu "Build"
diff --git a/tools/perf/arch/arm/tests/Kbuild b/tools/perf/arch/arm/tests/Kbuild
index 5d63e9d..1318ed0 100644
--- a/tools/perf/arch/arm/tests/Kbuild
+++ b/tools/perf/arch/arm/tests/Kbuild
@@ -1,2 +1,2 @@
-obj-y += regs_load.o
+obj-$(CONFIG_PERF_REGS) += regs_load.o
obj-y += dwarf-unwind.o
diff --git a/tools/perf/arch/x86/tests/Kbuild b/tools/perf/arch/x86/tests/Kbuild
index 3b5aa14..8287dae 100644
--- a/tools/perf/arch/x86/tests/Kbuild
+++ b/tools/perf/arch/x86/tests/Kbuild
@@ -1,3 +1,3 @@
obj-y += perf-time-to-tsc.o
-obj-y += regs_load.o
+obj-$(CONFIG_PERF_REGS) += regs_load.o
obj-y += dwarf-unwind.o
diff --git a/tools/perf/bench/Kbuild b/tools/perf/bench/Kbuild
index e604fe2..863646a 100644
--- a/tools/perf/bench/Kbuild
+++ b/tools/perf/bench/Kbuild
@@ -6,7 +6,7 @@ obj-y += futex-hash.o
obj-y += futex-requeue.o
obj-y += futex-wake.o
-obj-$(CONFIG_NUMA) += numa.o
+obj-$(CONFIG_LIBNUMA) += numa.o
obj-$(CONFIG_X86_64) += mem-memcpy-x86-64-asm.o
obj-$(CONFIG_X86_64) += mem-memset-x86-64-asm.o
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index b9a56fa..5116d25 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -14,6 +14,7 @@
* numa ... NUMA scheduling and MM performance
* futex ... Futex performance
*/
+#include "generated/autoconf.h"
#include "perf.h"
#include "util/util.h"
#include "util/parse-options.h"
@@ -33,7 +34,7 @@ struct bench {
bench_fn_t fn;
};
-#ifdef HAVE_LIBNUMA_SUPPORT
+#ifdef CONFIG_LIBNUMA
static struct bench numa_benchmarks[] = {
{ "mem", "Benchmark for NUMA workloads", bench_numa },
{ "all", "Test all NUMA benchmarks", NULL },
@@ -72,7 +73,7 @@ struct collection {
static struct collection collections[] = {
{ "sched", "Scheduler and IPC benchmarks", sched_benchmarks },
{ "mem", "Memory access benchmarks", mem_benchmarks },
-#ifdef HAVE_LIBNUMA_SUPPORT
+#ifdef CONFIG_LIBNUMA
{ "numa", "NUMA scheduling and MM benchmarks", numa_benchmarks },
#endif
{"futex", "Futex stressing benchmarks", futex_benchmarks },
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 400e92e..28371f9 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1,3 +1,4 @@
+#include "generated/autoconf.h"
#include "builtin.h"
#include "perf.h"
@@ -20,7 +21,7 @@
#include "util/data.h"
#include <sys/prctl.h>
-#ifdef HAVE_TIMERFD_SUPPORT
+#ifdef CONFIG_TIMERFD
#include <sys/timerfd.h>
#endif
@@ -123,7 +124,7 @@ static void init_kvm_event_record(struct perf_kvm_stat *kvm)
INIT_LIST_HEAD(&kvm->kvm_events_cache[i]);
}
-#ifdef HAVE_TIMERFD_SUPPORT
+#ifdef CONFIG_TIMERFD
static void clear_events_cache_stats(struct list_head *kvm_events_cache)
{
struct list_head *head;
@@ -622,7 +623,7 @@ static void print_result(struct perf_kvm_stat *kvm)
pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events);
}
-#ifdef HAVE_TIMERFD_SUPPORT
+#ifdef CONFIG_TIMERFD
static int process_lost_event(struct perf_tool *tool,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
@@ -707,7 +708,7 @@ static bool verify_vcpu(int vcpu)
return true;
}
-#ifdef HAVE_TIMERFD_SUPPORT
+#ifdef CONFIG_TIMERFD
/* keeping the max events to a modest level to keep
* the processing of samples per mmap smooth.
*/
@@ -1199,7 +1200,7 @@ kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv)
return kvm_events_report_vcpu(kvm);
}
-#ifdef HAVE_TIMERFD_SUPPORT
+#ifdef CONFIG_TIMERFD
static struct perf_evlist *kvm_live_event_list(void)
{
struct perf_evlist *evlist;
@@ -1414,7 +1415,7 @@ static int kvm_cmd_stat(const char *file_name, int argc, const char **argv)
if (!strncmp(argv[1], "rep", 3))
return kvm_events_report(&kvm, argc - 1 , argv + 1);
-#ifdef HAVE_TIMERFD_SUPPORT
+#ifdef CONFIG_TIMERFD
if (!strncmp(argv[1], "live", 4))
return kvm_events_live(&kvm, argc - 1 , argv + 1);
#endif
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 2583a9b..dbba96c 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -5,6 +5,8 @@
* (or a CPU, or a PID) into the perf.data output file - for
* later analysis via perf report.
*/
+
+#include "generated/autoconf.h"
#include "builtin.h"
#include "perf.h"
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 7f87a45..5be574c3 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -16,8 +16,6 @@ CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
include $(src-perf)/config/Makefile.arch
-NO_PERF_REGS := 1
-
# Additional ARCH settings for x86
ifeq ($(ARCH),x86)
ifeq ($(IS_X86_64),1)
@@ -26,16 +24,13 @@ ifeq ($(ARCH),x86)
else
LIBUNWIND_LIBS = -lunwind -lunwind-x86
endif
- NO_PERF_REGS := 0
endif
ifeq ($(ARCH),arm)
- NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-arm
endif
ifeq ($(ARCH),arm64)
- NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
endif
@@ -68,10 +63,6 @@ else
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
endif
-ifeq ($(NO_PERF_REGS),0)
- CFLAGS += -DHAVE_PERF_REGS_SUPPORT
-endif
-
ifndef NO_LIBELF
# for linking with debug library, run like:
# make DEBUG=1 LIBDW_DIR=/opt/libdw/
@@ -301,12 +292,14 @@ ifeq ($(feature-sync-compare-and-swap), 1)
CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
endif
-ifndef NO_BIONIC
+ifdef CONFIG_BIONIC
$(call feature_check,bionic)
ifeq ($(feature-bionic), 1)
BIONIC := 1
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
+ else
+ $(shell $(KCONFIG_SCRIPT) -d CONFIG_BIONIC)
endif
endif
@@ -433,12 +426,11 @@ ifndef NO_LIBUNWIND
LDFLAGS += $(LIBUNWIND_LDFLAGS)
endif
-ifndef NO_LIBAUDIT
+ifdef CONFIG_LIBAUDIT
ifneq ($(feature-libaudit), 1)
- msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
- NO_LIBAUDIT := 1
+ msg := $(warning No libaudit.h found, disables LIBAUDIT support and 'trace' tool, please install audit-libs-devel or libaudit-dev);
+ $(shell $(KCONFIG_SCRIPT) -d CONFIG_LIBAUDIT)
else
- CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
endif
endif
@@ -491,10 +483,11 @@ else
endif
endif
-ifeq ($(feature-timerfd), 1)
- CFLAGS += -DHAVE_TIMERFD_SUPPORT
-else
- msg := $(warning No timerfd support. Disables 'perf kvm stat live');
+ifdef CONFIG_TIMERFD
+ ifneq ($(feature-timerfd), 1)
+ msg := $(warning No timerfd support. Disables 'perf kvm stat live');
+ $(shell $(KCONFIG_SCRIPT) -d CONFIG_TIMERFD)
+ endif
endif
disable-python = $(eval $(disable-python_code))
@@ -603,18 +596,17 @@ ifdef CONFIG_LIBIBERTY_ONLY
endif
endif
-ifndef NO_BACKTRACE
- ifeq ($(feature-backtrace), 1)
- CFLAGS += -DHAVE_BACKTRACE_SUPPORT
+ifdef CONFIG_BACKTRACE
+ ifneq ($(feature-backtrace), 1)
+ $(shell $(KCONFIG_SCRIPT) -d CONFIG_BACKTRACE)
endif
endif
-ifndef NO_LIBNUMA
+ifdef CONFIG_LIBNUMA
ifeq ($(feature-libnuma), 0)
msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
- NO_LIBNUMA := 1
+ $(shell $(KCONFIG_SCRIPT) -d CONFIG_LIBNUMA)
else
- CFLAGS += -DHAVE_LIBNUMA_SUPPORT
EXTLIBS += -lnuma
endif
endif
@@ -797,9 +789,6 @@ all:
$(call store,NO_LIBPYTHON)
$(call store,NO_LIBELF)
$(call store,NO_LIBUNWIND)
- $(call store,NO_BACKTRACE)
- $(call store,NO_LIBNUMA)
- $(call store,NO_LIBAUDIT)
$(call store,NO_LIBBIONIC)
$(call store,ETC_PERFCONFIG_SQ)
$(call store,DESTDIR_SQ)
diff --git a/tools/perf/config/Makefile.fix-config b/tools/perf/config/Makefile.fix-config
index 3d84008..2ba684b 100644
--- a/tools/perf/config/Makefile.fix-config
+++ b/tools/perf/config/Makefile.fix-config
@@ -45,36 +45,4 @@ dummy := $(shell $(CONFIG) -d CONFIG_LIBUNWIND)
endif
endif
-# NO_BACKTRACE
-ifdef CONFIG_BACKTRACE
-ifdef NO_BACKTRACE
-dummy := $(info Disabling CONFIG_BACKTRACE)
-dummy := $(shell $(CONFIG) -d CONFIG_BACKTRACE)
-endif
-endif
-
-# NO_LIBNUMA
-ifdef CONFIG_NUMA
-ifdef NO_LIBNUMA
-dummy := $(info Disabling CONFIG_NUMA)
-dummy := $(shell $(CONFIG) -d CONFIG_NUMA)
-endif
-endif
-
-# NO_LIBAUDIT
-ifdef CONFIG_LIBAUDIT
-ifdef NO_LIBAUDIT
-dummy := $(info Disabling CONFIG_LIBAUDIT)
-dummy := $(shell $(CONFIG) -d CONFIG_LIBAUDIT)
-endif
-endif
-
-# NO_LIBBIONIC
-ifdef CONFIG_BIONIC
-ifdef NO_LIBBIONIC
-dummy := $(info Disabling CONFIG_BIONIC)
-dummy := $(shell $(CONFIG) -d CONFIG_BIONIC)
-endif
-endif
-
all:
diff --git a/tools/perf/config/Makefile.fix-legacy b/tools/perf/config/Makefile.fix-legacy
index 64dbb1a..8e32b74 100644
--- a/tools/perf/config/Makefile.fix-legacy
+++ b/tools/perf/config/Makefile.fix-legacy
@@ -16,19 +16,3 @@ endif
ifndef CONFIG_LIBUNWIND
NO_LIBUNWIND := 1
endif
-
-ifndef CONFIG_BACKTRACE
-NO_BACKTRACE := 1
-endif
-
-ifndef CONFIG_NUMA
-export NO_LIBNUMA := 1
-endif
-
-ifndef CONFIG_LIBAUDIT
-NO_LIBAUDIT := 1
-endif
-
-ifdef CONFIG_BIONIC
-NO_LIBBIONIC := 1
-endif
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index 43168fb..01720b5 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -1,7 +1,9 @@
#include <errno.h>
+#include "generated/autoconf.h"
#include "perf_regs.h"
#include "event.h"
+#ifdef CONFIG_PERF_REGS
int perf_reg_value(u64 *valp, struct regs_dump *regs, int id)
{
int i, idx = 0;
@@ -25,3 +27,4 @@ out:
*valp = regs->cache_regs[id];
return 0;
}
+#endif /* CONFIG_PERF_REGS */
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index 980dbf7..44d9b08 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -1,11 +1,13 @@
#ifndef __PERF_REGS_H
#define __PERF_REGS_H
+#include <linux/compiler.h>
#include <linux/types.h>
+#include "generated/autoconf.h"
struct regs_dump;
-#ifdef HAVE_PERF_REGS_SUPPORT
+#ifdef CONFIG_PERF_REGS
#include <perf_regs.h>
int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
@@ -25,5 +27,5 @@ static inline int perf_reg_value(u64 *valp __maybe_unused,
{
return 0;
}
-#endif /* HAVE_PERF_REGS_SUPPORT */
+#endif /* CONFIG_PERF_REGS */
#endif /* __PERF_REGS_H */
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d5eab3f..17667d8 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,9 +1,10 @@
+#include "generated/autoconf.h"
#include "../perf.h"
#include "util.h"
#include "debug.h"
#include <api/fs/fs.h>
#include <sys/mman.h>
-#ifdef HAVE_BACKTRACE_SUPPORT
+#ifdef CONFIG_BACKTRACE
#include <execinfo.h>
#endif
#include <stdio.h>
@@ -250,7 +251,7 @@ int hex2u64(const char *ptr, u64 *long_val)
}
/* Obtain a backtrace and print it to stdout. */
-#ifdef HAVE_BACKTRACE_SUPPORT
+#ifdef CONFIG_BACKTRACE
void dump_stack(void)
{
void *array[16];
--
2.1.1
--
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/
Powered by blists - more mailing lists