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libperf tests: Add support for verbose printing 

Add __T_VERBOSE() so tests can add verbose output. The verbose output is
enabled with the '-v' command line option. Running 'make tests V=1' will
enable the '-v' option when running the tests.

It'll be used in the next patch, for a user space counter access test.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Itaru Kitayama <itaru.kitayama@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: http://lore.kernel.org/lkml/20210414155412.3697605-3-robh@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Rob Herring 2021-04-14 11:07:38 -05:00 committed by Arnaldo Carvalho de Melo
parent 6cd70754f2
commit d3003d9e68
2 changed files with 36 additions and 2 deletions
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32
tools/lib/perf/include/internal/tests.h
View File

@ -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)
{
int 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 */

6
tools/lib/perf/tests/Makefile
View File

@ -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)
@ -28,9 +30,9 @@ all: $(TESTS_A) $(TESTS_SO)
run:
@echo "running static:"
@for i in $(TESTS_A); do ./$$i; done
@for i in $(TESTS_A); do ./$$i $(TEST_ARGS); 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)