Commit "perf: Add 'perf bench numa mem'..." added a NUMA performance
benchmark to perf. Make this optional and test for required
dependencies.
Signed-off-by: Peter Hurley <pe...@hurleysoftware.com>
---
tools/perf/Makefile | 16 ++++++++++++++--
tools/perf/builtin-bench.c | 4 ++++
tools/perf/config/feature-tests.mak | 11 +++++++++++
3 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index bd9f088..b91dcb0 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -47,6 +47,8 @@ include config/utilities.mak
# backtrace post unwind.
#
# Define NO_BACKTRACE if you do not want stack backtrace debug feature
+#
+# Define NO_LIBNUMA if you do not want numa perf benchmark
$(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
@$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
@@ -104,7 +106,7 @@ ifdef PARSER_DEBUG
endif
CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra
-std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS)
$(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
-EXTLIBS = -lpthread -lrt -lelf -lm -lnuma
+EXTLIBS = -lpthread -lrt -lelf -lm
ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-D_GNU_SOURCE
ALL_LDFLAGS = $(LDFLAGS)
STRIP ?= strip
@@ -491,7 +493,6 @@ LIB_OBJS += $(OUTPUT)tests/pmu.o
BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
BUILTIN_OBJS += $(OUTPUT)builtin-bench.o
# Benchmark modules
-BUILTIN_OBJS += $(OUTPUT)bench/numa.o
BUILTIN_OBJS += $(OUTPUT)bench/sched-messaging.o
BUILTIN_OBJS += $(OUTPUT)bench/sched-pipe.o
ifeq ($(RAW_ARCH),x86_64)
@@ -840,6 +841,17 @@ ifndef NO_BACKTRACE
endif
endif
+ifndef NO_LIBNUMA
+ FLAGS_LIBNUMA = $(ALL_CFLAGS) $(ALL_LDFLAGS) -lnuma
+ ifneq ($(call try-cc,$(SOURCE_LIBNUMA),$(FLAGS_LIBNUMA),libnuma),y)
+ msg := $(warning No numa.h found, disables 'perf bench numa
mem' benchmark, please install numa-libs-devel or libnuma-dev);
+ else
+ BASIC_CFLAGS += -DLIBNUMA_SUPPORT
+ BUILTIN_OBJS += $(OUTPUT)bench/numa.o
+ EXTLIBS += -lnuma
+ endif
+endif
+
ifdef ASCIIDOC8
export ASCIIDOC8
endif
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 441cdb4..3a5c616 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -35,6 +35,7 @@ struct bench_suite {
/* sentinel: easy for help */
#define suite_all { "all", "Test all benchmark suites", NULL }
+#ifdef LIBNUMA_SUPPORT
static struct bench_suite numa_suites[] = {
{ "mem",
"Benchmark for NUMA workloads",
@@ -44,6 +45,7 @@ static struct bench_suite numa_suites[] = {
NULL,
NULL }
};
+#endif
static struct bench_suite sched_suites[] = {
{ "messaging",
@@ -78,9 +80,11 @@ struct bench_subsys {
};
static struct bench_subsys subsystems[] = {
+#ifdef LIBNUMA_SUPPORT
{ "numa",
"NUMA scheduling and MM behavior",
numa_suites },
+#endif
{ "sched",
"scheduler and IPC mechanism",
sched_suites },
diff --git a/tools/perf/config/feature-tests.mak
b/tools/perf/config/feature-tests.mak
index f5ac774..b4eabb4 100644
--- a/tools/perf/config/feature-tests.mak
+++ b/tools/perf/config/feature-tests.mak
@@ -225,3 +225,14 @@ int main(void)
return on_exit(NULL, NULL);
}
endef
+
+define SOURCE_LIBNUMA
+#include <numa.h>
+#include <numaif.h>
+
+int main(void)
+{
+ numa_available();
+ return 0;
+}
+endef
\ No newline at end of file
--
1.8.1.1
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