The following commit has been merged into the perf/core branch of tip: Commit-ID: 5ef86146de941f273d669a8e018036f549bf058c Gitweb: https://git.kernel.org/tip/5ef86146de941f273d669a8e018036f549bf058c Author: Stephane Eranian <eran...@google.com> AuthorDate: Wed, 29 Apr 2020 16:14:41 -07:00 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitterDate: Tue, 05 May 2020 16:35:31 -03:00
tools feature: Add support for detecting libpfm4 libpfm4 provides an alternate command line encoding of perf events. Signed-off-by: Stephane Eranian <eran...@google.com> Reviewed-by: Ian Rogers <irog...@google.com> Acked-by: Jiri Olsa <jo...@redhat.com> Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Alexei Starovoitov <a...@kernel.org> Cc: Alexey Budankov <alexey.budan...@linux.intel.com> Cc: Andi Kleen <a...@linux.intel.com> Cc: Andrii Nakryiko <andr...@fb.com> Cc: Daniel Borkmann <dan...@iogearbox.net> Cc: Florian Fainelli <f.faine...@gmail.com> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: Igor Lubashev <iluba...@akamai.com> Cc: Jin Yao <yao....@linux.intel.com> Cc: Jiwei Sun <jiwei....@windriver.com> Cc: John Garry <john.ga...@huawei.com> Cc: Kan Liang <kan.li...@linux.intel.com> Cc: Leo Yan <leo....@linaro.org> Cc: Mark Rutland <mark.rutl...@arm.com> Cc: Martin KaFai Lau <ka...@fb.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Yonghong Song <y...@fb.com> Cc: b...@vger.kernel.org Cc: net...@vger.kernel.org Cc: yuzhoujian <yuzhouj...@didichuxing.com> Link: http://lore.kernel.org/lkml/20200429231443.207201-3-irog...@google.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/build/Makefile.feature | 3 ++- tools/build/feature/Makefile | 6 +++++- tools/build/feature/test-libpfm4.c | 9 +++++++++ 3 files changed, 16 insertions(+), 2 deletions(-) create mode 100644 tools/build/feature/test-libpfm4.c diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 3e0c019..3abd431 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 9201238..84f845b 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 0000000..af49b25 --- /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; +}
