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Commit ff3e33b0 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf tests: Add test for bitmap_scnprintf function 



Automatically test the bitmap_scnprintf function.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1470074555-24889-5-git-send-email-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 741c74f5

tools/perf/tests/Build

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ perf-y += event-times.o 
perf-y += backward-ring-buffer.o

perf-y += sdt.o

perf-y += is_printable_array.o

perf-y += bitmap.o



$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build

	$(call rule_mkdir)

tools/perf/tests/bitmap.c

0 → 100644
+53 −0
Original line number Diff line number Diff line 
#include <linux/compiler.h>

#include <linux/bitmap.h>

#include "tests.h"

#include "cpumap.h"

#include "debug.h"



#define NBITS 100



static unsigned long *get_bitmap(const char *str, int nbits)

{

	struct cpu_map *map = cpu_map__new(str);

	unsigned long *bm = NULL;

	int i;



	bm = bitmap_alloc(nbits);



	if (map && bm) {

		bitmap_zero(bm, nbits);



		for (i = 0; i < map->nr; i++)

			set_bit(map->map[i], bm);

	}



	if (map)

		cpu_map__put(map);

	return bm;

}



static int test_bitmap(const char *str)

{

	unsigned long *bm = get_bitmap(str, NBITS);

	char buf[100];

	int ret;



	bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));

	pr_debug("bitmap: %s\n", buf);



	ret = !strcmp(buf, str);

	free(bm);

	return ret;

}



int test__bitmap_print(int subtest __maybe_unused)

{

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));

	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));

	return 0;

}

tools/perf/tests/builtin-test.c

+4 −0
Original line number Diff line number Diff line
@@ -225,6 +225,10 @@ static struct test generic_tests[] = { 
		.desc = "Test is_printable_array function",

		.func = test__is_printable_array,

	},

	{

		.desc = "Test bitmap print",

		.func = test__bitmap_print,

	},

	{

		.func = NULL,

	},

tools/perf/tests/tests.h

+1 −0
Original line number Diff line number Diff line
@@ -90,6 +90,7 @@ int test__backward_ring_buffer(int subtest); 
int test__cpu_map_print(int subtest);

int test__sdt_event(int subtest);

int test__is_printable_array(int subtest);

int test__bitmap_print(int subtest);



#if defined(__arm__) || defined(__aarch64__)

#ifdef HAVE_DWARF_UNWIND_SUPPORT