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

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Date:   Tue, 30 Jul 2019 12:01:37 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     alexey.budankov@...ux.intel.com, mpetlan@...hat.com,
        acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
        peterz@...radead.org, jolsa@...nel.org, ak@...ux.intel.com,
        tglx@...utronix.de, alexander.shishkin@...ux.intel.com,
        namhyung@...nel.org, mingo@...nel.org
Subject: [tip:perf/core] libperf: Add tests support

Commit-ID:  6a94b52a71b7d3ca3ec47c194f7916b306cb26ef
Gitweb:     https://git.kernel.org/tip/6a94b52a71b7d3ca3ec47c194f7916b306cb26ef
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Sun, 21 Jul 2019 13:24:59 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 29 Jul 2019 18:34:46 -0300

libperf: Add tests support

Adding simple test framework, now empty.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
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/20190721112506.12306-73-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/lib/Makefile                 |  7 +++++-
 tools/perf/lib/include/internal/tests.h | 19 +++++++++++++++++
 tools/perf/lib/tests/Makefile           | 38 +++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/tools/perf/lib/Makefile b/tools/perf/lib/Makefile
index f1b3d4c6d5f0..8a9ae50818e4 100644
--- a/tools/perf/lib/Makefile
+++ b/tools/perf/lib/Makefile
@@ -109,6 +109,11 @@ all: fixdep
 clean:
 	$(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \
                 *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd LIBPERF-CFLAGS $(LIBPERF_PC)
+	$(Q)$(MAKE) -C tests clean
+
+tests:
+	$(Q)$(MAKE) -C tests
+	$(Q)$(MAKE) -C tests run
 
 $(LIBPERF_PC):
 	$(QUIET_GEN)sed -e "s|@...FIX@|$(prefix)|" \
@@ -150,4 +155,4 @@ install: install_lib install_headers install_pkgconfig
 
 FORCE:
 
-.PHONY: all install clean FORCE
+.PHONY: all install clean tests FORCE
diff --git a/tools/perf/lib/include/internal/tests.h b/tools/perf/lib/include/internal/tests.h
new file mode 100644
index 000000000000..b7a20cd24ee1
--- /dev/null
+++ b/tools/perf/lib/include/internal/tests.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_TESTS_H
+#define __LIBPERF_INTERNAL_TESTS_H
+
+#include <stdio.h>
+
+#define __T_START fprintf(stdout, "- running %s...", __FILE__)
+#define __T_OK    fprintf(stdout, "OK\n")
+#define __T_FAIL  fprintf(stdout, "FAIL\n")
+
+#define __T(text, cond)                                                          \
+do {                                                                             \
+	if (!(cond)) {                                                           \
+		fprintf(stderr, "FAILED %s:%d %s\n", __FILE__, __LINE__, text);  \
+		return -1;                                                       \
+	}                                                                        \
+} while (0)
+
+#endif /* __LIBPERF_INTERNAL_TESTS_H */
diff --git a/tools/perf/lib/tests/Makefile b/tools/perf/lib/tests/Makefile
new file mode 100644
index 000000000000..de951ae38dea
--- /dev/null
+++ b/tools/perf/lib/tests/Makefile
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+TESTS =
+
+TESTS_SO := $(addsuffix -so,$(TESTS))
+TESTS_A  := $(addsuffix -a,$(TESTS))
+
+# Set compile option CFLAGS
+ifdef EXTRA_CFLAGS
+  CFLAGS := $(EXTRA_CFLAGS)
+else
+  CFLAGS := -g -Wall
+endif
+
+all:
+
+include $(srctree)/tools/scripts/Makefile.include
+
+INCLUDE = -I$(srctree)/tools/perf/lib/include -I$(srctree)/tools/include
+
+$(TESTS_A): FORCE
+	$(QUIET_LINK)$(CC) $(INCLUDE) $(CFLAGS) -o $@ $(subst -a,.c,$@) ../libperf.a
+
+$(TESTS_SO): FORCE
+	$(QUIET_LINK)$(CC) $(INCLUDE) $(CFLAGS) -L.. -o $@ $(subst -so,.c,$@) -lperf
+
+all: $(TESTS_A) $(TESTS_SO)
+
+run:
+	@echo "running static:"
+	@for i in $(TESTS_A); do ./$$i; done
+	@echo "running dynamic:"
+	@for i in $(TESTS_SO); do LD_LIBRARY_PATH=../ ./$$i; done
+
+clean:
+	$(call QUIET_CLEAN, tests)$(RM) $(TESTS_A) $(TESTS_SO)
+
+.PHONY: all clean FORCE