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authorAndi Shyti <andi.shyti@linux.intel.com>2026-08-22 14:19:12 +0200
committerAndi Shyti <andi.shyti@linux.intel.com>2026-08-22 14:19:34 +0200
commitd576a9561a1c80ae593539fb0ce0743d66825ac2 (patch)
tree68f6de7e06b350afa42edeea2f7f33f086014597 /tools/perf/tests/kmod-path.c
downloadlinux-stable-d576a9561a1c80ae593539fb0ce0743d66825ac2.tar.gz
linux-stable-d576a9561a1c80ae593539fb0ce0743d66825ac2.zip
Merge tag 'rust-i2c-for-7.3' into i2c/i2cgrafted
i2c: rust: mark I2cAdapter methods as inline A single cleanup for the Rust I2C abstractions, targeting 7.3. `I2cAdapter::get`, `inc_ref`, and `dec_ref` are trivial wrappers around `i2c_get_adapter`/`i2c_put_adapter` and were showing up as their own symbols in the build. Mark them `#[inline]` so they get folded into their callers instead. Signed-off-by: Igor Korotin <igor.korotin@linux.dev> * tag 'rust-i2c-for-7.3': i2c: rust: mark I2cAdapter methods as inline
Diffstat (limited to 'tools/perf/tests/kmod-path.c')
-rw-r--r--tools/perf/tests/kmod-path.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/tools/perf/tests/kmod-path.c b/tools/perf/tests/kmod-path.c
new file mode 100644
index 000000000..dfe1bd5da
--- /dev/null
+++ b/tools/perf/tests/kmod-path.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include "tests.h"
+#include "dso.h"
+#include "debug.h"
+#include "event.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))
+
+static int test__kmod_path__parse(struct test_suite *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;
+}
+
+DEFINE_SUITE("kmod_path__parse", kmod_path__parse);