Messages in this thread | | | Date | Thu, 21 Dec 2023 09:21:49 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH] tracing / synthetic: Disable events after testing in synth_event_gen_test_init() |
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On Thu, 21 Dec 2023 11:06:38 +0100 Alexander Graf <graf@amazon.com> wrote:
> Thanks a bunch for the super quick turnaround time for the fix! I can > confirm that I'm no longer seeing the warning :) > > Tested-by: Alexander Graf <graf@amazon.com>
Thanks Alex,
> > > Do we need another similar patch for the kprobe self tests? The below is > with 55cb5f43689d7 plus an unrelated initrd patch plus this patch and > the following .config: http://csgraf.de/tmp2/config-ftrace.xz
Sure, now you tell me ;-)
I just finished all my tests and will be sending Linus a pull request soon.
I'll let Masami handle this one, as it's under his department.
-- Steve
> > [ 919.717134] Testing all events: OK > [ 924.418194] Testing ftrace filter: OK > [ 924.418887] trace_kprobe: Testing kprobe tracing: > [ 924.424244] ------------[ cut here ]------------ > [ 924.424952] WARNING: CPU: 2 PID: 1 at > kernel/trace/trace_kprobe.c:2073 kprobe_trace_self_tests_init+0x192/0x540 > [ 924.425659] Modules linked in: > [ 924.425886] CPU: 2 PID: 1 Comm: swapper/0 Not tainted > 6.7.0-rc6-00024-gc10698ad3c9a #298 > [ 924.426448] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS > rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014 > [ 924.427230] RIP: 0010:kprobe_trace_self_tests_init+0x192/0x540 > [ 924.427639] Code: 7e 10 74 3b 48 8b 36 48 39 d6 75 f2 0f 0b 48 c7 c7 > 58 71 79 a5 e8 ee 3e 5a fe 48 c7 c7 20 38 b7 a5 e8 a2 51 68 fe 85 c0 74 > 33 <0f> 0b 48 c7 c7 38 73 79 a5 e8 d0 3e 5a fe e8 4b 64 62 fe eb 23 48 > [ 924.428922] RSP: 0000:ffffab508001be58 EFLAGS: 00010286 > [ 924.429288] RAX: 00000000fffffff0 RBX: 000000000000005a RCX: > 0000000000000202 > [ 924.429800] RDX: 0000000000000000 RSI: 000000000002e970 RDI: > ffffffffa5b708a0 > [ 924.430295] RBP: 0000000000000000 R08: 0000000000000001 R09: > ffffffffa4855a90 > [ 924.430794] R10: 0000000000000007 R11: 000000000000028a R12: > 0000000000000001 > [ 924.431286] R13: ffffffffa5cc9a00 R14: ffff8cec81bebe00 R15: > ffffffffa619f0f0 > [ 924.431785] FS: 0000000000000000(0000) GS:ffff8cecf9100000(0000) > knlGS:0000000000000000 > [ 924.432346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 924.432748] CR2: 0000000000000000 CR3: 000000004883e001 CR4: > 00000000003706f0 > [ 924.433246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 924.433739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: > 0000000000000400 > [ 924.434233] Call Trace: > [ 924.434418] <TASK> > [ 924.434569] ? __warn+0x7d/0x140 > [ 924.434807] ? kprobe_trace_self_tests_init+0x192/0x540 > [ 924.435172] ? report_bug+0xf8/0x1e0 > [ 924.435430] ? handle_bug+0x3f/0x70 > [ 924.435677] ? exc_invalid_op+0x13/0x60 > [ 924.435954] ? asm_exc_invalid_op+0x16/0x20 > [ 924.436249] ? rdinit_setup+0x40/0x40 > [ 924.436509] ? trace_kprobe_release+0x70/0xb0 > [ 924.436822] ? kprobe_trace_self_tests_init+0x192/0x540 > [ 924.437189] ? kprobe_trace_self_tests_init+0x421/0x540 > [ 924.437551] ? init_kprobe_trace+0x1b0/0x1b0 > [ 924.437855] do_one_initcall+0x44/0x200 > [ 924.438131] kernel_init_freeable+0x1e8/0x330 > [ 924.438439] ? rest_init+0xd0/0xd0 > [ 924.438682] kernel_init+0x16/0x130 > [ 924.438943] ret_from_fork+0x30/0x50 > [ 924.439202] ? rest_init+0xd0/0xd0 > [ 924.439445] ret_from_fork_asm+0x11/0x20 > [ 924.439734] </TASK> > [ 924.439893] ---[ end trace 0000000000000000 ]--- > [ 924.440217] trace_kprobe: error on cleaning up probes. > [ 924.440575] NG: Some tests are failed. Please check them.
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