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Date:   Fri, 08 May 2020 13:04:49 -0000
From:   "tip-bot2 for Stephane Eranian" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Andrii Nakryiko <andriin@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Igor Lubashev <ilubashe@...mai.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Jiwei Sun <jiwei.sun@...driver.com>,
        John Garry <john.garry@...wei.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Martin KaFai Lau <kafai@...com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Yonghong Song <yhs@...com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org, yuzhoujian <yuzhoujian@...ichuxing.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: perf/core] tools feature: Add support for detecting libpfm4

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 <eranian@...gle.com>
AuthorDate:    Wed, 29 Apr 2020 16:14:41 -07:00
Committer:     Arnaldo Carvalho de Melo <acme@...hat.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 <eranian@...gle.com>
Reviewed-by: Ian Rogers <irogers@...gle.com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Andrii Nakryiko <andriin@...com>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Igor Lubashev <ilubashe@...mai.com>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Jiwei Sun <jiwei.sun@...driver.com>
Cc: John Garry <john.garry@...wei.com>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Martin KaFai Lau <kafai@...com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Yonghong Song <yhs@...com>
Cc: bpf@...r.kernel.org
Cc: netdev@...r.kernel.org
Cc: yuzhoujian <yuzhoujian@...ichuxing.com>
Link: http://lore.kernel.org/lkml/20200429231443.207201-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.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;
+}

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