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authorStephane Eranian <eranian@google.com>2020-04-30 02:14:41 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-05-05 22:35:31 +0300
commit5ef86146de941f273d669a8e018036f549bf058c (patch)
treea3fe193fbf24079ee61d8016317bd32580701b88
parent4b1984491e65c9592f9f2bfbe8fb5bf4d4e51587 (diff)
downloadlinux-5ef86146de941f273d669a8e018036f549bf058c.tar.xz
tools feature: Add support for detecting libpfm4
libpfm4 provides an alternate command line encoding of perf events. Signed-off-by: Stephane Eranian <eranian@google.com> Reviewed-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andrii Nakryiko <andriin@fb.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Igor Lubashev <ilubashe@akamai.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiwei Sun <jiwei.sun@windriver.com> Cc: John Garry <john.garry@huawei.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yonghong Song <yhs@fb.com> Cc: bpf@vger.kernel.org Cc: netdev@vger.kernel.org Cc: yuzhoujian <yuzhoujian@didichuxing.com> Link: http://lore.kernel.org/lkml/20200429231443.207201-3-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/build/Makefile.feature3
-rw-r--r--tools/build/feature/Makefile6
-rw-r--r--tools/build/feature/test-libpfm4.c9
3 files changed, 16 insertions, 2 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 3e0c019ef297..3abd4316cd4f 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -98,7 +98,8 @@ FEATURE_TESTS_EXTRA := \
llvm \
llvm-version \
clang \
- libbpf
+ libbpf \
+ libpfm4
FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC)
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 92012381393a..84f845b9627d 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -69,7 +69,8 @@ FILES= \
test-libaio.bin \
test-libzstd.bin \
test-clang-bpf-global-var.bin \
- test-file-handle.bin
+ test-file-handle.bin \
+ test-libpfm4.bin
FILES := $(addprefix $(OUTPUT),$(FILES))
@@ -331,6 +332,9 @@ $(OUTPUT)test-clang-bpf-global-var.bin:
$(OUTPUT)test-file-handle.bin:
$(BUILD)
+$(OUTPUT)test-libpfm4.bin:
+ $(BUILD) -lpfm
+
###############################
clean:
diff --git a/tools/build/feature/test-libpfm4.c b/tools/build/feature/test-libpfm4.c
new file mode 100644
index 000000000000..af49b259459e
--- /dev/null
+++ b/tools/build/feature/test-libpfm4.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <sys/types.h>
+#include <perfmon/pfmlib.h>
+
+int main(void)
+{
+ pfm_initialize();
+ return 0;
+}