Commit 5ef86146 authored by Stephane Eranian's avatar Stephane Eranian Committed by Arnaldo Carvalho de Melo
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tools feature: Add support for detecting libpfm4 



libpfm4 provides an alternate command line encoding of perf events.

Signed-off-by: default avatarStephane Eranian <eranian@google.com>
Reviewed-by: default avatarIan Rogers <irogers@google.com>
Acked-by: default avatarJiri 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 4b198449

tools/build/Makefile.feature

+2 −1
Original line number Diff line number Diff line
@@ -98,7 +98,8 @@ FEATURE_TESTS_EXTRA := \ 
         llvm                           \

         llvm-version                   \

         clang                          \

         libbpf

         libbpf                         \

         libpfm4



FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC)

tools/build/feature/Makefile

+5 −1
Original line number Diff line number Diff line
@@ -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:

tools/build/feature/test-libpfm4.c

0 → 100644
+9 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#include <sys/types.h>

#include <perfmon/pfmlib.h>



int main(void)

{

	pfm_initialize();

	return 0;

}