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linux/tools/perf/tests/kmod-path.c

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// SPDX-License-Identifier: GPL-2.0
#include <stdbool.h>
#include <stdlib.h>
#include "tests.h"
#include "dso.h"
#include "debug.h"
static int test(const char *path, bool alloc_name, bool kmod,
int comp, const char *name)
{
struct kmod_path m;
memset(&m, 0x0, sizeof(m));
TEST_ASSERT_VAL("kmod_path__parse",
!__kmod_path__parse(&m, path, alloc_name));
pr_debug("%s - alloc name %d, kmod %d, comp %d, name '%s'\n",
path, alloc_name, m.kmod, m.comp, m.name);
TEST_ASSERT_VAL("wrong kmod", m.kmod == kmod);
TEST_ASSERT_VAL("wrong comp", m.comp == comp);
if (name)
TEST_ASSERT_VAL("wrong name", m.name && !strcmp(name, m.name));
else
TEST_ASSERT_VAL("wrong name", !m.name);
free(m.name);
return 0;
}
static int test_is_kernel_module(const char *path, int cpumode, bool expect)
{
TEST_ASSERT_VAL("is_kernel_module",
(!!is_kernel_module(path, cpumode)) == (!!expect));
pr_debug("%s (cpumode: %d) - is_kernel_module: %s\n",
path, cpumode, expect ? "true" : "false");
return 0;
}
#define T(path, an, k, c, n) \
TEST_ASSERT_VAL("failed", !test(path, an, k, c, n))
#define M(path, c, e) \
TEST_ASSERT_VAL("failed", !test_is_kernel_module(path, c, e))
int test__kmod_path__parse(struct test *t __maybe_unused, int subtest __maybe_unused)
{
/* path alloc_name kmod comp name */
T("/xxxx/xxxx/x-x.ko", true , true, 0 , "[x_x]");
T("/xxxx/xxxx/x-x.ko", false , true, 0 , NULL );
T("/xxxx/xxxx/x-x.ko", true , true, 0 , "[x_x]");
T("/xxxx/xxxx/x-x.ko", false , true, 0 , NULL );
M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_KERNEL, true);
M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_USER, false);
#ifdef HAVE_ZLIB_SUPPORT
/* path alloc_name kmod comp name */
T("/xxxx/xxxx/x.ko.gz", true , true, 1 , "[x]");
T("/xxxx/xxxx/x.ko.gz", false , true, 1 , NULL );
T("/xxxx/xxxx/x.ko.gz", true , true, 1 , "[x]");
T("/xxxx/xxxx/x.ko.gz", false , true, 1 , NULL );
M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("/xxxx/xxxx/x.gz", true , false, 1 , "x.gz");
T("/xxxx/xxxx/x.gz", false , false, 1 , NULL );
T("/xxxx/xxxx/x.gz", true , false, 1 , "x.gz");
T("/xxxx/xxxx/x.gz", false , false, 1 , NULL );
M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_KERNEL, false);
M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("x.gz", true , false, 1 , "x.gz");
T("x.gz", false , false, 1 , NULL );
T("x.gz", true , false, 1 , "x.gz");
T("x.gz", false , false, 1 , NULL );
M("x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("x.gz", PERF_RECORD_MISC_KERNEL, false);
M("x.gz", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("x.ko.gz", true , true, 1 , "[x]");
T("x.ko.gz", false , true, 1 , NULL );
T("x.ko.gz", true , true, 1 , "[x]");
T("x.ko.gz", false , true, 1 , NULL );
M("x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
M("x.ko.gz", PERF_RECORD_MISC_USER, false);
#endif
/* path alloc_name kmod comp name */
T("[test_module]", true , true, false, "[test_module]");
T("[test_module]", false , true, false, NULL );
T("[test_module]", true , true, false, "[test_module]");
T("[test_module]", false , true, false, NULL );
M("[test_module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("[test_module]", PERF_RECORD_MISC_KERNEL, true);
M("[test_module]", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("[test.module]", true , true, false, "[test.module]");
T("[test.module]", false , true, false, NULL );
T("[test.module]", true , true, false, "[test.module]");
T("[test.module]", false , true, false, NULL );
M("[test.module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("[test.module]", PERF_RECORD_MISC_KERNEL, true);
M("[test.module]", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("[vdso]", true , false, false, "[vdso]");
T("[vdso]", false , false, false, NULL );
T("[vdso]", true , false, false, "[vdso]");
T("[vdso]", false , false, false, NULL );
M("[vdso]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vdso]", PERF_RECORD_MISC_KERNEL, false);
M("[vdso]", PERF_RECORD_MISC_USER, false);
T("[vdso32]", true , false, false, "[vdso32]");
T("[vdso32]", false , false, false, NULL );
T("[vdso32]", true , false, false, "[vdso32]");
T("[vdso32]", false , false, false, NULL );
M("[vdso32]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vdso32]", PERF_RECORD_MISC_KERNEL, false);
M("[vdso32]", PERF_RECORD_MISC_USER, false);
T("[vdsox32]", true , false, false, "[vdsox32]");
T("[vdsox32]", false , false, false, NULL );
T("[vdsox32]", true , false, false, "[vdsox32]");
T("[vdsox32]", false , false, false, NULL );
M("[vdsox32]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vdsox32]", PERF_RECORD_MISC_KERNEL, false);
M("[vdsox32]", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("[vsyscall]", true , false, false, "[vsyscall]");
T("[vsyscall]", false , false, false, NULL );
T("[vsyscall]", true , false, false, "[vsyscall]");
T("[vsyscall]", false , false, false, NULL );
M("[vsyscall]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vsyscall]", PERF_RECORD_MISC_KERNEL, false);
M("[vsyscall]", PERF_RECORD_MISC_USER, false);
/* path alloc_name kmod comp name */
T("[kernel.kallsyms]", true , false, false, "[kernel.kallsyms]");
T("[kernel.kallsyms]", false , false, false, NULL );
T("[kernel.kallsyms]", true , false, false, "[kernel.kallsyms]");
T("[kernel.kallsyms]", false , false, false, NULL );
M("[kernel.kallsyms]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[kernel.kallsyms]", PERF_RECORD_MISC_KERNEL, false);
M("[kernel.kallsyms]", PERF_RECORD_MISC_USER, false);
return 0;
}
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