Commit Graph

16 Commits

Author SHA1 Message Date
Thomas Schoebel-Theuer b85bc0f576 all: adapt to removal of current_kernel_time64() 2021-02-10 13:36:06 +01:00
Thomas Schoebel-Theuer f24ea2752f limiter: fix divide by zero
Feb 10 04:41:59 t1 kernel: divide error: 0000 [#1] SMP KASAN NOPTI
Feb 10 04:41:59 t1 kernel: CPU: 5 PID: 13507 Comm: mars_copy7 Not tainted 5.4.86+ #237
Feb 10 04:41:59 t1 kernel: Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014
Feb 10 04:41:59 t1 kernel: RIP: 0010:mars_limit+0x533/0x6bb [mars]
Feb 10 04:41:59 t1 kernel: Code: 15 48 63 95 e4 fe ff ff 48 ff c0 49 89 47 48 49 01 d5 4d 89 6f 50 49 69 47 50 00 ca 9a 3b 49 8d 7f 20 41 bd ff ff ff 7f 48 99 <49> f7 fc 48 3d ff ff ff 7f 4c 0f 4e e8 48 89 f8 48 c1 e8 03 8a 04
Feb 10 04:41:59 t1 kernel: RSP: 0018:ffff888033b87a58 EFLAGS: 00010212
Feb 10 04:41:59 t1 kernel: RAX: 00001a5e39dc8000 RBX: dffffc0000000000 RCX: 0000000000000017
Feb 10 04:41:59 t1 kernel: RDX: 0000000000000000 RSI: 0000000225c17d03 RDI: ffffffffa03bdce0
Feb 10 04:41:59 t1 kernel: RBP: ffff888033b87b98 R08: fffffbfff073f9ce R09: 0000000000000001
Feb 10 04:41:59 t1 kernel: R10: 0000000000000000 R11: ffffffff839fce6b R12: 0000000000000000
Feb 10 04:41:59 t1 kernel: R13: 000000007fffffff R14: 0000000025e89700 R15: ffffffffa03bdcc0
Feb 10 04:41:59 t1 kernel: FS:  0000000000000000(0000) GS:ffff88818b940000(0000) knlGS:0000000000000000
Feb 10 04:41:59 t1 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 10 04:41:59 t1 kernel: CR2: 00005651d25b7b98 CR3: 0000000171668000 CR4: 0000000000340ee0
Feb 10 04:41:59 t1 kernel: Call Trace:
Feb 10 04:41:59 t1 kernel:  ? ranking_compute+0x1a8/0x1a8 [mars]
Feb 10 04:41:59 t1 kernel:  ? _brick_block_alloc+0x2ff/0x590 [mars]
Feb 10 04:41:59 t1 kernel:  ? __brick_block_alloc+0x8a/0x8a [mars]
Feb 10 04:41:59 t1 kernel:  ? kasan_unpoison_shadow+0xf/0x2e
Feb 10 04:41:59 t1 kernel:  ? _new_aspect+0x464/0x4ab [mars]
Feb 10 04:41:59 t1 kernel:  mars_limit_sleep+0xa/0x57 [mars]
Feb 10 04:41:59 t1 kernel:  bio_ref_get+0x762/0xc4c [mars]
Feb 10 04:41:59 t1 kernel:  _make_mref+0x48c/0x73e [mars]
Feb 10 04:41:59 t1 kernel:  _next_state+0x3f6/0xc4b [mars]
Feb 10 04:41:59 t1 kernel:  _run_copy+0x2cc/0x6f7 [mars]
Feb 10 04:41:59 t1 kernel:  _copy_thread+0x3dd/0x84c [mars]
Feb 10 04:41:59 t1 kernel:  ? _run_copy+0x6f7/0x6f7 [mars]
Feb 10 04:41:59 t1 kernel:  ? lock_downgrade+0x55b/0x55b
Feb 10 04:41:59 t1 kernel:  ? do_raw_spin_lock+0x144/0x1ef
Feb 10 04:41:59 t1 kernel:  ? atomic_add_return.constprop.2+0x1e/0x1e
Feb 10 04:41:59 t1 kernel:  ? add_wait_queue+0x85/0x85
Feb 10 04:41:59 t1 kernel:  ? lockdep_hardirqs_on+0x433/0x482
Feb 10 04:41:59 t1 kernel:  ? test_bit+0x1d/0x27
Feb 10 04:41:59 t1 kernel:  kthread+0x2be/0x2cd
Feb 10 04:41:59 t1 kernel:  ? _run_copy+0x6f7/0x6f7 [mars]
Feb 10 04:41:59 t1 kernel:  ? kthread_worker_fn+0x3ef/0x3ef
Feb 10 04:41:59 t1 kernel:  ret_from_fork+0x27/0x50
Feb 10 04:41:59 t1 kernel: Modules linked in: mars cls_u32 sch_netem sch_tbf sch_prio xt_mark lz4_compress lz4_decompress virtio_console crct10dif_pclmul virtio_balloon crc32_pclmul usbhid virtio_net net_failover failover virtio_blk xhci_pci xhci_hcd crc32c_intel usbcore virtio_pci virtio_ring usb_common virtio [last unloaded: mars]
Feb 10 04:41:59 t1 kernel: ---[ end trace e009385d7938b1c4 ]---
2021-02-10 13:31:55 +01:00
Thomas Schoebel-Theuer c575f28fbe infra: fix IOPS and other computations 2020-09-01 19:35:10 +02:00
Thomas Schoebel-Theuer 628c636dff all: distinguish *_ops_* from *_amount_* at limiter 2020-04-13 11:24:01 +02:00
Thomas Schoebel-Theuer d09ab9ab1e infra: convert limited to lamport_time 2019-12-25 09:19:07 +01:00
Thomas Schoebel-Theuer ff2c948247 infra: add reset of limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer 27eb38ff3e infra: add total statistics to limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer aa09d7df30 all: clarify license GPLv2+ 2014-11-25 18:09:17 +01:00
Thomas Schoebel-Theuer eb9aebc3ae infra: fix delay computation in limiter 2013-11-21 07:20:01 +01:00
Thomas Schoebel-Theuer fd30cd6b44 infra: show ops count in limiter 2013-11-21 07:20:01 +01:00
Thomas Schoebel-Theuer af418eb9f0 infra: make limiter {min,max}_window configurable 2013-11-21 07:20:00 +01:00
Thomas Schoebel-Theuer 8b74dddc24 infra: fix limiter overflow in denominator 2013-11-21 07:20:00 +01:00
Thomas Schoebel-Theuer 8696e417db infra: make limiter max_delay settable 2013-11-21 07:20:00 +01:00
Thomas Schoebel-Theuer 65bdee3b08 infra: show cumulatives in all limiters 2013-11-19 12:22:45 +01:00
Thomas Schoebel-Theuer dae1218c50 infra: fix limiter underflow
Credits to Daniel Hermann for revealing this bug.
2013-07-15 12:21:16 +02:00
Thomas Schoebel-Theuer c58417d271 all: move kernel source into separate directory 2013-04-08 17:01:37 +02:00