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perf tests: Add test for bitmap_scnprintf function
Automatically test the bitmap_scnprintf function. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo 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: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -41,6 +41,7 @@ perf-y += event-times.o
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perf-y += backward-ring-buffer.o
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perf-y += sdt.o
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perf-y += is_printable_array.o
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perf-y += bitmap.o
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$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
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$(call rule_mkdir)
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53
tools/perf/tests/bitmap.c
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53
tools/perf/tests/bitmap.c
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@ -0,0 +1,53 @@
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#include <linux/compiler.h>
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#include <linux/bitmap.h>
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#include "tests.h"
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#include "cpumap.h"
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#include "debug.h"
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#define NBITS 100
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static unsigned long *get_bitmap(const char *str, int nbits)
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{
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struct cpu_map *map = cpu_map__new(str);
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unsigned long *bm = NULL;
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int i;
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bm = bitmap_alloc(nbits);
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if (map && bm) {
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bitmap_zero(bm, nbits);
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for (i = 0; i < map->nr; i++)
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set_bit(map->map[i], bm);
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}
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if (map)
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cpu_map__put(map);
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return bm;
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}
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static int test_bitmap(const char *str)
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{
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unsigned long *bm = get_bitmap(str, NBITS);
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char buf[100];
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int ret;
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bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
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pr_debug("bitmap: %s\n", buf);
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ret = !strcmp(buf, str);
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free(bm);
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return ret;
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}
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int test__bitmap_print(int subtest __maybe_unused)
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{
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
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return 0;
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}
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@ -225,6 +225,10 @@ static struct test generic_tests[] = {
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.desc = "Test is_printable_array function",
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.func = test__is_printable_array,
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},
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{
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.desc = "Test bitmap print",
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.func = test__bitmap_print,
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},
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{
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.func = NULL,
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},
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@ -90,6 +90,7 @@ int test__backward_ring_buffer(int subtest);
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int test__cpu_map_print(int subtest);
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int test__sdt_event(int subtest);
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int test__is_printable_array(int subtest);
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int test__bitmap_print(int subtest);
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#if defined(__arm__) || defined(__aarch64__)
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#ifdef HAVE_DWARF_UNWIND_SUPPORT
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