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Date: Tue, 14 Apr 2020 11:04:17 -0700 From: Ian Rogers <irogers@...gle.com> To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Martin KaFai Lau <kafai@...com>, Yonghong Song <yhs@...com>, Andrii Nakryiko <andriin@...com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Thomas Gleixner <tglx@...utronix.de>, Igor Lubashev <ilubashe@...mai.com>, Alexey Budankov <alexey.budankov@...ux.intel.com>, Florian Fainelli <f.fainelli@...il.com>, Adrian Hunter <adrian.hunter@...el.com>, Andi Kleen <ak@...ux.intel.com>, Jiwei Sun <jiwei.sun@...driver.com>, yuzhoujian <yuzhoujian@...ichuxing.com>, Kan Liang <kan.liang@...ux.intel.com>, Jin Yao <yao.jin@...ux.intel.com>, Leo Yan <leo.yan@...aro.org>, John Garry <john.garry@...wei.com>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org, linux-perf-users@...r.kernel.org Cc: Stephane Eranian <eranian@...gle.com>, Ian Rogers <irogers@...gle.com> Subject: [PATCH v9 2/4] tools feature: add support for detecting libpfm4 From: Stephane Eranian <eranian@...gle.com> libpfm4 provides an alternate command line encoding of perf events. Signed-off-by: Stephane Eranian <eranian@...gle.com> Reviewed-by: Ian Rogers <irogers@...gle.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 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 621f528f7822..a6eded94a36b 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -68,7 +68,8 @@ FILES= \ test-llvm-version.bin \ test-libaio.bin \ test-libzstd.bin \ - test-file-handle.bin + test-file-handle.bin \ + test-libpfm4.bin FILES := $(addprefix $(OUTPUT),$(FILES)) @@ -325,6 +326,9 @@ $(OUTPUT)test-libzstd.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; +} -- 2.26.0.110.g2183baf09c-goog
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