linux-kernel - [tip:perf/core] libperf: Add perf_cpu

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Message-ID: <tip-c0e730456ae8a864701f5ca4f6c2e23010e4b04a@git.kernel.org>
Date:   Tue, 30 Jul 2019 12:02:21 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, jolsa@...nel.org,
        alexander.shishkin@...ux.intel.com, tglx@...utronix.de,
        mpetlan@...hat.com, peterz@...radead.org,
        alexey.budankov@...ux.intel.com, mingo@...nel.org,
        namhyung@...nel.org, acme@...hat.com, ak@...ux.intel.com,
        hpa@...or.com
Subject: [tip:perf/core] libperf: Add perf_cpu_map test

Commit-ID:  c0e730456ae8a864701f5ca4f6c2e23010e4b04a
Gitweb:     https://git.kernel.org/tip/c0e730456ae8a864701f5ca4f6c2e23010e4b04a
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Sun, 21 Jul 2019 13:25:00 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 29 Jul 2019 18:34:46 -0300

libperf: Add perf_cpu_map test

Add simple perf_cpu_map tests.

Committer testing:

One has to build it in the source tree, a limitation that should be
fixed in followup patches:

  $ make O=/tmp/build/perf -C tools/perf/lib
  make: Entering directory '/home/acme/git/perf/tools/perf/lib'
    LINK     /tmp/build/perf/libperf.so.0.0.1
    GEN      /tmp/build/perf/libperf.pc
  make: Leaving directory '/home/acme/git/perf/tools/perf/lib'
  $ make O=/tmp/build/perf -C tools/perf/lib  tests
  make: Entering directory '/home/acme/git/perf/tools/perf/lib'
    LINK     test-cpumap-a
  gcc: error: ../libperf.a: No such file or directory
  make[1]: *** [Makefile:22: test-cpumap-a] Error 1
  make: *** [Makefile:115: tests] Error 2
  make: Leaving directory '/home/acme/git/perf/tools/perf/lib'
  [acme@...co perf]$ make -C tools/perf/lib
  make: Entering directory '/home/acme/git/perf/tools/perf/lib'
    HOSTCC   fixdep.o
    HOSTLD   fixdep-in.o
    LINK     fixdep
    CC       core.o
    CC       cpumap.o
    CC       threadmap.o
    CC       evsel.o
    CC       evlist.o
    CC       zalloc.o
    CC       xyarray.o
    CC       lib.o
    LD       libperf-in.o
    AR       libperf.a
    LINK     libperf.so.0.0.1
    GEN      libperf.pc
  make: Leaving directory '/home/acme/git/perf/tools/perf/lib'
  $ make O=/tmp/build/perf -C tools/perf/lib  tests
  make: Entering directory '/home/acme/git/perf/tools/perf/lib'
    LINK     test-cpumap-a
    LINK     test-cpumap-so
  running static:
  - running test-cpumap.c...OK
  running dynamic:
  - running test-cpumap.c...OK
  make: Leaving directory '/home/acme/git/perf/tools/perf/lib'
  $

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Michael Petlan <mpetlan@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-74-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/lib/tests/Makefile      |  2 +-
 tools/perf/lib/tests/test-cpumap.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/tools/perf/lib/tests/Makefile b/tools/perf/lib/tests/Makefile
index de951ae38dea..b72c8c47df61 100644
--- a/tools/perf/lib/tests/Makefile
+++ b/tools/perf/lib/tests/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
 
-TESTS =
+TESTS = test-cpumap
 
 TESTS_SO := $(addsuffix -so,$(TESTS))
 TESTS_A  := $(addsuffix -a,$(TESTS))
diff --git a/tools/perf/lib/tests/test-cpumap.c b/tools/perf/lib/tests/test-cpumap.c
new file mode 100644
index 000000000000..76a43cfb83a1
--- /dev/null
+++ b/tools/perf/lib/tests/test-cpumap.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <perf/cpumap.h>
+#include <internal/tests.h>
+
+int main(int argc, char **argv)
+{
+	struct perf_cpu_map *cpus;
+
+	__T_START;
+
+	cpus = perf_cpu_map__dummy_new();
+	if (!cpus)
+		return -1;
+
+	perf_cpu_map__get(cpus);
+	perf_cpu_map__put(cpus);
+	perf_cpu_map__put(cpus);
+
+	__T_OK;
+	return 0;
+}