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Message-ID: <93CEB4B8-818B-4302-93C3-6EA25717D617@live.com>
Date: Sat, 22 Mar 2025 10:04:29 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: Tamir Duberstein <tamird@...il.com>
CC: Kees Cook <kees@...nel.org>, Petr Mladek <pmladek@...e.com>, Steven
Rostedt <rostedt@...dmis.org>, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com>, Rasmus Villemoes
<linux@...musvillemoes.dk>, Sergey Senozhatsky <senozhatsky@...omium.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] printf: add tests for generic FourCCs
Hi
> On 21 Mar 2025, at 8:22 PM, Tamir Duberstein <tamird@...il.com> wrote:
>
> On Fri, Mar 21, 2025 at 10:23 AM Aditya Garg <gargaditya08@...e.com> wrote:
>>
>>
>> Can you give me some docs for running the Kunit tests? The patch is basically a port of the original version.
>
> I use:
>
> tools/testing/kunit/kunit.py run --arch arm64 --make_options LLVM=1 printf
>
> You can probably just use:
>
> tools/testing/kunit/kunit.py run printf
>
> It would also be useful to see raw output:
>
> tools/testing/kunit/kunit.py run printf —raw_output
Here are the requested outputs:
--------------------------------------------------------------------------------------------------------------------------------
Failed test:
aditya@...Book:~/kees$ python3 tools/testing/kunit/kunit.py run printf
[15:21:43] Configuring KUnit Kernel ...
Regenerating .config ...
Populating config with:
$ make ARCH=um O=.kunit olddefconfig
[15:22:19] Building KUnit Kernel ...
Populating config with:
$ make ARCH=um O=.kunit olddefconfig
Building with:
$ make all compile_commands.json ARCH=um O=.kunit --jobs=12
../lib/iomap.c:156:5: warning: no previous prototype for ‘ioread64_lo_hi’ [-Wmissing-prototypes]
156 | u64 ioread64_lo_hi(const void __iomem *addr)
| ^~~~~~~~~~~~~~
../lib/iomap.c:163:5: warning: no previous prototype for ‘ioread64_hi_lo’ [-Wmissing-prototypes]
163 | u64 ioread64_hi_lo(const void __iomem *addr)
| ^~~~~~~~~~~~~~
../lib/iomap.c:170:5: warning: no previous prototype for ‘ioread64be_lo_hi’ [-Wmissing-prototypes]
170 | u64 ioread64be_lo_hi(const void __iomem *addr)
| ^~~~~~~~~~~~~~~~
../lib/iomap.c:178:5: warning: no previous prototype for ‘ioread64be_hi_lo’ [-Wmissing-prototypes]
178 | u64 ioread64be_hi_lo(const void __iomem *addr)
| ^~~~~~~~~~~~~~~~
../lib/iomap.c:264:6: warning: no previous prototype for ‘iowrite64_lo_hi’ [-Wmissing-prototypes]
264 | void iowrite64_lo_hi(u64 val, void __iomem *addr)
| ^~~~~~~~~~~~~~~
../lib/iomap.c:272:6: warning: no previous prototype for ‘iowrite64_hi_lo’ [-Wmissing-prototypes]
272 | void iowrite64_hi_lo(u64 val, void __iomem *addr)
| ^~~~~~~~~~~~~~~
../lib/iomap.c:280:6: warning: no previous prototype for ‘iowrite64be_lo_hi’ [-Wmissing-prototypes]
280 | void iowrite64be_lo_hi(u64 val, void __iomem *addr)
| ^~~~~~~~~~~~~~~~~
../lib/iomap.c:288:6: warning: no previous prototype for ‘iowrite64be_hi_lo’ [-Wmissing-prototypes]
288 | void iowrite64be_hi_lo(u64 val, void __iomem *addr)
| ^~~~~~~~~~~~~~~~~
[15:23:28] Starting KUnit Kernel (1/1)...
[15:23:28] ============================================================
Running tests with:
$ .kunit/linux kunit.filter_glob=printf kunit.enable=1 mem=1G console=tty kunit_shutdown=halt
[15:23:28] =================== printf (28 subtests) ===================
[15:23:28] [PASSED] test_basic
[15:23:28] [PASSED] test_number
[15:23:28] [PASSED] test_string
[15:23:28] [PASSED] hash_pointer
[15:23:28] [PASSED] null_pointer
[15:23:28] [PASSED] error_pointer
[15:23:28] [PASSED] invalid_pointer
[15:23:28] [PASSED] symbol_ptr
[15:23:28] [PASSED] kernel_ptr
[15:23:28] [PASSED] struct_resource
[15:23:28] [PASSED] struct_range
[15:23:28] [PASSED] addr
[15:23:28] [PASSED] escaped_str
[15:23:28] [PASSED] hex_string
[15:23:28] [PASSED] mac
[15:23:28] [PASSED] ip4
[15:23:28] [PASSED] ip6
[15:23:28] [PASSED] uuid
[15:23:28] [PASSED] dentry
[15:23:28] [PASSED] struct_va_format
[15:23:28] [PASSED] time_and_date
[15:23:28] [PASSED] struct_clk
[15:23:28] [PASSED] bitmap
[15:23:28] [PASSED] netdev_features
[15:23:28] [PASSED] flags
[15:23:28] [PASSED] errptr
[15:23:28] [PASSED] fwnode_pointer
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4ch", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 3, "%p4ch", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4ch", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
[15:23:28] lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4ch", ...) returned '(%p4?)', expected 'ABCD (0x41424344)'
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4cn", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 5, "%p4cn", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4cn", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
[15:23:28] lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4cn", ...) returned '(%p4?)', expected 'DCBA (0x44434241)'
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4cl", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 11, "%p4cl", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4cl", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
[15:23:28] lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4cl", ...) returned '(%p4?)', expected 'ABCD (0x41424344)'
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4cb", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 16, "%p4cb", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
[15:23:28] lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4cb", ...) returned 6, expected 17
[15:23:28] # fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
[15:23:28] lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4cb", ...) returned '(%p4?)', expected 'ABCD (0x41424344)'
[15:23:28] [FAILED] fourcc_pointer
[15:23:28] # module: printf_kunit
[15:23:28] # printf: ran 464 tests
[15:23:28] # printf: pass:27 fail:1 skip:0 total:28
[15:23:28] # Totals: pass:27 fail:1 skip:0 total:28
[15:23:28] ===================== [FAILED] printf ======================
[15:23:28] ============================================================
[15:23:28] Testing complete. Ran 28 tests: passed: 27, failed: 1
[15:23:28] Elapsed time: 105.305s total, 36.071s configuring, 69.026s building, 0.110s running
----------------------------------------------------------------------------------------------------------------------------
Raw output
aditya@...Book:~/kees$ tools/testing/kunit/kunit.py run printf --raw_output
[15:26:21] Configuring KUnit Kernel ...
[15:26:21] Building KUnit Kernel ...
Populating config with:
$ make ARCH=um O=.kunit olddefconfig
Building with:
$ make all compile_commands.json ARCH=um O=.kunit --jobs=12
[15:26:24] Starting KUnit Kernel (1/1)...
Running tests with:
$ .kunit/linux kunit.filter_glob=printf kunit.enable=1 mem=1G console=tty kunit_shutdown=halt
KTAP version 1
1..1
KTAP version 1
# Subtest: printf
# module: printf_kunit
1..28
ok 1 test_basic
ok 2 test_number
ok 3 test_string
ok 4 hash_pointer
ok 5 null_pointer
ok 6 error_pointer
ok 7 invalid_pointer
ok 8 symbol_ptr
ok 9 kernel_ptr
ok 10 struct_resource
ok 11 struct_range
ok 12 addr
ok 13 escaped_str
ok 14 hex_string
ok 15 mac
ok 16 ip4
ok 17 ip6
ok 18 uuid
ok 19 dentry
ok 20 struct_va_format
ok 21 time_and_date
ok 22 struct_clk
ok 23 bitmap
ok 24 netdev_features
ok 25 flags
ok 26 errptr
ok 27 fwnode_pointer
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4ch", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 14, "%p4ch", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4ch", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4ch", ...) returned '(%p4?)', expected 'ABCD (0x41424344)'
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4cn", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 11, "%p4cn", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4cn", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4cn", ...) returned '(%p4?)', expected 'DCBA (0x44434241)'
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4cl", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 3, "%p4cl", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4cl", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4cl", ...) returned '(%p4?)', expected 'ABCD (0x41424344)'
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 256, "%p4cb", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 9, "%p4cb", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:56
lib/tests/printf_kunit.c:715: vsnprintf(buf, 0, "%p4cb", ...) returned 6, expected 17
# fourcc_pointer: EXPECTATION FAILED at lib/tests/printf_kunit.c:141
lib/tests/printf_kunit.c:715: kvasprintf(..., "%p4cb", ...) returned '(%p4?)', expected 'ABCD (0x41424344)'
not ok 28 fourcc_pointer
# printf: ran 464 tests
# printf: pass:27 fail:1 skip:0 total:28
# Totals: pass:27 fail:1 skip:0 total:28
not ok 1 printf
[15:26:24] Elapsed time: 2.649s total, 0.001s configuring, 2.583s building, 0.060s running
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