[PATCH v3 06/10] libperf: tests: Add support for verbose printing

Rob Herring
2020-09-11T21:51:55Z

Add __T_VERBOSE() so tests can add verbose output. The verbose output is
enabled with the '-v' command line option.

Signed-off-by: Rob Herring <robh@kernel.org>
---
v3:
- New patch
---
tools/lib/perf/include/internal/tests.h | 32 +++++++++++++++++++++++++
tools/lib/perf/tests/Makefile | 4 +++-
2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/tools/lib/perf/include/internal/tests.h b/tools/lib/perf/include/internal/tests.h
index 2093e8868a67..27b6e64299e2 100644
--- a/tools/lib/perf/include/internal/tests.h
+++ b/tools/lib/perf/include/internal/tests.h
@@ -3,11 +3,32 @@
#define __LIBPERF_INTERNAL_TESTS_H

#include <stdio.h>
+#include <unistd.h>

int tests_failed;
+int tests_verbose;
+
+static inline int get_verbose(char **argv, int argc)
+{
+ char c;
+ int verbose = 0;
+
+ while ((c = getopt(argc, argv, "v")) != -1) {
+ switch (c)
+ {
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ return verbose;
+}

#define __T_START \
do { \
+ tests_verbose = get_verbose(argv, argc); \
fprintf(stdout, "- running %s...", __FILE__); \
fflush(NULL); \
tests_failed = 0; \
@@ -30,4 +51,15 @@ do {
} \
} while (0)

+#define __T_VERBOSE(...) \
+do { \
+ if (tests_verbose) { \
+ if (tests_verbose == 1) { \
+ fputc('\n', stderr); \
+ tests_verbose++; \
+ } \
+ fprintf(stderr, ##__VA_ARGS__); \
+ } \
+} while (0)
+
#endif /* __LIBPERF_INTERNAL_TESTS_H */
diff --git a/tools/lib/perf/tests/Makefile b/tools/lib/perf/tests/Makefile
index 96841775feaf..9438b385d489 100644
--- a/tools/lib/perf/tests/Makefile
+++ b/tools/lib/perf/tests/Makefile
@@ -5,6 +5,8 @@ TESTS = test-cpumap test-threadmap test-evlist test-evsel
TESTS_SO := $(addsuffix -so,$(TESTS))
TESTS_A := $(addsuffix -a,$(TESTS))

+TEST_ARGS := $(if $(V),-v)
+
# Set compile option CFLAGS
ifdef EXTRA_CFLAGS
CFLAGS := $(EXTRA_CFLAGS)
@@ -30,7 +32,7 @@ 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
+ @for i in $(TESTS_SO); do LD_LIBRARY_PATH=../ ./$$i $(TEST_ARGS); done

clean:
$(call QUIET_CLEAN, tests)$(RM) $(TESTS_A) $(TESTS_SO)
--
2.25.1