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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ff3e33b075
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>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#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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