From ff3e33b075fe45c669e2cb27489d570e29d3abeb Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Mon, 1 Aug 2016 20:02:32 +0200 Subject: [PATCH] perf tests: Add test for bitmap_scnprintf function Automatically test the bitmap_scnprintf function. Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1470074555-24889-5-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/Build | 1 + tools/perf/tests/bitmap.c | 53 +++++++++++++++++++++++++++++++++ tools/perf/tests/builtin-test.c | 4 +++ tools/perf/tests/tests.h | 1 + 4 files changed, 59 insertions(+) create mode 100644 tools/perf/tests/bitmap.c diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index cb20ae1c0d35..dc51bc570e51 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -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) diff --git a/tools/perf/tests/bitmap.c b/tools/perf/tests/bitmap.c new file mode 100644 index 000000000000..9abe6c13090f --- /dev/null +++ b/tools/perf/tests/bitmap.c @@ -0,0 +1,53 @@ +#include +#include +#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; +} diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 10eb30686c9c..778668a2a966 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -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, }, diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 9bfc0e06c61a..7c196c585472 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -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 -- 2.20.1