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2026-09-06 - 20:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack0slot2.osadl.org (updated Sun Sep 06, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235105726151,7sleep50-21swapper/507:05:535
235126725822,31sleep70-21swapper/707:08:527
235105625847,7sleep40-21swapper/407:05:524
2351597995553,2cyclictest2675159-21kworker/u16:3+flush-8:011:05:136
2351592993937,2cyclictest2601082-21kworker/u16:1+events_unbound09:37:504
2351597993836,2cyclictest2662918-21kworker/u16:2+events_unbound10:39:436
2351599993732,4cyclictest2786010-21latency_hist10:29:167
2351597993735,2cyclictest2712070-21kworker/u16:1+events_unbound10:21:506
2351597993735,2cyclictest2511323-21kworker/u16:0+events_unbound09:35:356
2351597993734,2cyclictest2712070-21kworker/u16:1+events_unbound10:04:206
2351597993734,2cyclictest2675159-21kworker/u16:3+events_unbound11:29:196
2351592993735,2cyclictest3007731-21kworker/u16:3+events_unbound12:31:184
2351592993735,2cyclictest3007731-21kworker/u16:3+events_unbound12:19:254
2351592993735,2cyclictest3007731-21kworker/u16:3+events_unbound12:13:494
2351592993735,2cyclictest2675159-21kworker/u16:3+events_unbound10:38:424
2351592993735,2cyclictest2675159-21kworker/u16:3+events_unbound10:38:424
2351592993735,2cyclictest2662918-21kworker/u16:2+events_unbound10:46:314
2351592993735,2cyclictest2662918-21kworker/u16:2+events_unbound10:12:314
2351592993735,2cyclictest2511323-21kworker/u16:0+events_unbound09:43:514
2351592993733,3cyclictest2921436-21kworker/u16:4+events_unbound11:39:154
2351592993732,2cyclictest2675159-21kworker/u16:3+events_unbound11:22:584
2351597993634,2cyclictest3032271-21kworker/u16:2+events_unbound12:24:066
2351597993634,2cyclictest3032271-21kworker/u16:2+events_unbound12:11:506
2351597993634,2cyclictest2921436-21kworker/u16:4+events_unbound11:56:156
2351597993634,2cyclictest2921436-21kworker/u16:4+events_unbound11:56:156
2351597993634,2cyclictest2835284-21kworker/u16:1+events_unbound11:23:576
2351597993634,2cyclictest2662918-21kworker/u16:2+events_unbound09:57:226
2351597993634,2cyclictest2662918-21kworker/u16:2+events_unbound09:57:226
2351592993634,2cyclictest2712070-21kworker/u16:1+events_unbound10:07:304
2351592993634,2cyclictest2675159-21kworker/u16:3+events_unbound10:16:514
2351592993634,2cyclictest2675159-21kworker/u16:3+events_unbound10:02:354
2351592993634,2cyclictest2662918-21kworker/u16:2+events_unbound10:25:194
2351592993634,2cyclictest2511323-21kworker/u16:0+events_unbound09:18:154
2351592993634,2cyclictest2346245-21kworker/u16:3+events_unbound07:54:464
2351599993529,5cyclictest2462062-21latency_hist08:04:177
2351597993533,2cyclictest2675159-21kworker/u16:3+events_unbound11:03:396
2351597993533,2cyclictest2601082-21kworker/u16:1+events_unbound09:19:066
2351597993533,2cyclictest2511323-21kworker/u16:0+events_unbound09:10:556
2351592993533,2cyclictest3032271-21kworker/u16:2+events_unbound12:27:394
2351592993533,2cyclictest2946428-21kworker/u16:2+events_unbound11:58:224
2351592993533,2cyclictest2946428-21kworker/u16:2+events_unbound11:58:224
2351592993533,2cyclictest2943477-21kworker/u16:0+events_unbound11:30:474
2351592993533,2cyclictest2921436-21kworker/u16:4+events_unbound12:05:584
2351592993533,2cyclictest2835284-21kworker/u16:1+events_unbound10:58:504
2351592993533,2cyclictest2511323-21kworker/u16:0+events_unbound09:27:034
26246702340,1chrt2624669-21rm09:22:247
2351597993432,2cyclictest3032271-21kworker/u16:2+flush-8:012:14:506
2351597993432,2cyclictest3007731-21kworker/u16:3+events_unbound12:27:356
2351597993432,2cyclictest2946428-21kworker/u16:2+events_unbound11:42:336
2351597993432,2cyclictest2798735-21kworker/u16:0+events_unbound10:50:476
2351597993432,2cyclictest2712070-21kworker/u16:1+events_unbound10:01:506
2351597993432,2cyclictest2675159-21kworker/u16:3+events_unbound11:17:476
2351597993432,2cyclictest2675159-21kworker/u16:3+events_unbound11:17:476
2351597993432,2cyclictest2601082-21kworker/u16:1+events_unbound09:30:516
2351597993432,2cyclictest2511323-21kworker/u16:0+events_unbound09:50:306
2351597993432,2cyclictest2511323-21kworker/u16:0+events_unbound09:23:306
2351592993432,2cyclictest3007731-21kworker/u16:3+events_unbound12:01:014
2351592993432,2cyclictest2943477-21kworker/u16:0+events_unbound11:53:534
2351592993432,2cyclictest2943477-21kworker/u16:0+events_unbound11:45:214
2351592993432,2cyclictest2921436-21kworker/u16:4+events_unbound12:38:184
2351592993432,2cyclictest2921436-21kworker/u16:4+events_unbound12:38:184
2351592993432,2cyclictest2921436-21kworker/u16:4+events_unbound12:15:214
2351592993432,2cyclictest2893299-21kworker/u16:0+events_unbound11:15:334
2351592993432,2cyclictest2893299-21kworker/u16:0+events_unbound11:15:334
2351592993432,2cyclictest2675159-21kworker/u16:3+events_unbound10:50:394
2351592993432,2cyclictest2601082-21kworker/u16:1+events_unbound09:20:554
2351592993432,2cyclictest2511323-21kworker/u16:0+events_unbound09:56:024
2351592993432,2cyclictest2511323-21kworker/u16:0+events_unbound09:56:024
2351592993432,2cyclictest2452019-21kworker/u16:5+events_unbound09:46:224
2351597993331,2cyclictest2943477-21kworker/u16:0+events_unbound11:46:536
2351597993331,2cyclictest2712070-21kworker/u16:1+events_unbound10:25:036
2351597993331,2cyclictest2662918-21kworker/u16:2+events_unbound09:46:556
2351597993331,2cyclictest2481778-21kworker/u16:1+events_unbound08:14:196
2351593993331,2cyclictest2511323-21kworker/u16:0+events_unbound09:50:145
2351592993331,2cyclictest2893299-21kworker/u16:0+events_unbound11:10:394
2351592993331,2cyclictest2798735-21kworker/u16:0+flush-8:010:40:144
2351592993331,2cyclictest2712070-21kworker/u16:1+events_unbound10:23:184
2351592993331,2cyclictest2675159-21kworker/u16:3+events_unbound11:28:174
2351592993331,2cyclictest2511323-21kworker/u16:0+events_unbound09:52:354
2351592993331,2cyclictest2511323-21kworker/u16:0+events_unbound09:11:404
2351597993230,2cyclictest3032271-21kworker/u16:2+events_unbound12:37:066
2351597993230,2cyclictest3032271-21kworker/u16:2+events_unbound12:37:066
2351597993230,2cyclictest3007731-21kworker/u16:3+events_unbound12:07:396
2351597993230,2cyclictest2675159-21kworker/u16:3+events_unbound10:13:146
2351597993230,2cyclictest2662918-21kworker/u16:2+events_unbound09:43:146
2351597993230,2cyclictest2511323-21kworker/u16:0+events_unbound09:25:236
2351597993230,2cyclictest2452019-21kworker/u16:5+events_unbound08:19:476
2351592993230,2cyclictest2835284-21kworker/u16:1+events_unbound11:03:224
2351592993230,2cyclictest2712070-21kworker/u16:1+events_unbound10:30:304
2351592993230,2cyclictest2511323-21kworker/u16:0+events_unbound09:31:504
2351597993129,2cyclictest2946428-21kworker/u16:2+events_unbound11:50:026
2351597993129,2cyclictest2675159-21kworker/u16:3+events_unbound10:58:466
2351597993129,2cyclictest2675159-21kworker/u16:3+events_unbound10:15:586
2351597993129,2cyclictest2662918-21kworker/u16:2+events_unbound10:36:356
2351597993129,2cyclictest2662918-21kworker/u16:2+events_unbound10:36:356
2351593993128,2cyclictest2278137-21kworker/u16:2+events_unbound07:09:185
2351592993129,2cyclictest2943477-21kworker/u16:0+events_unbound11:43:474
2351592993129,2cyclictest2471618-21kworker/u16:0+events_unbound08:08:434
235117123121,7sleep60-21swapper/607:07:316
2351599993028,1cyclictest0-21swapper/708:06:307
2351597993028,2cyclictest2921436-21kworker/u16:4+events_unbound11:36:536
2351597993028,2cyclictest2893299-21kworker/u16:0+events_unbound11:10:556
2351593993028,2cyclictest2712070-21kworker/u16:1+events_unbound10:21:215
2351593993028,2cyclictest2675159-21kworker/u16:3+events_unbound10:18:215
2351593993028,2cyclictest2452019-21kworker/u16:5+events_unbound08:36:345
2351593993028,2cyclictest2452019-21kworker/u16:5+events_unbound08:36:345
2351593993028,2cyclictest2278137-21kworker/u16:2+events_unbound08:10:465
2351592993028,2cyclictest2578688-21kworker/u16:2+events_unbound09:07:264
2351592993028,2cyclictest2278137-21kworker/u16:2+events_unbound07:15:264
2351592993027,2cyclictest2278137-21kworker/u16:2+events_unbound08:09:184
2351597992927,2cyclictest2675159-21kworker/u16:3+events_unbound11:27:066
2351593992927,2cyclictest2943477-21kworker/u16:0+events_unbound12:01:075
2351593992927,2cyclictest2921436-21kworker/u16:4+flush-8:011:35:125
2351593992927,2cyclictest2921436-21kworker/u16:4+events_unbound12:06:135
2351593992927,2cyclictest2511323-21kworker/u16:0+events_unbound09:43:435
2351593992927,2cyclictest2511323-21kworker/u16:0+events_unbound08:50:305
2351597992826,2cyclictest2712070-21kworker/u16:1+events_unbound10:32:546
2351593992826,2cyclictest3007731-21kworker/u16:3+events_unbound12:26:135
2351593992826,2cyclictest2921436-21kworker/u16:4+events_unbound12:20:455
2351593992826,2cyclictest2893299-21kworker/u16:0+events_unbound11:13:535
2351593992826,2cyclictest2675159-21kworker/u16:3+events_unbound10:50:205
2351593992826,2cyclictest2662918-21kworker/u16:2+events_unbound10:48:135
2351593992826,2cyclictest2452019-21kworker/u16:5+events_unbound08:32:475
2351593992826,2cyclictest2278137-21kworker/u16:2+events_unbound08:08:315
2351593992826,2cyclictest2278137-21kworker/u16:2+events_unbound07:30:195
2351592992826,2cyclictest2452019-21kworker/u16:5+events_unbound08:15:434
26973812270,1chrt2697380-21rm09:50:057
2351599992726,0cyclictest0-21swapper/708:59:507
2351593992725,2cyclictest2675159-21kworker/u16:3+events_unbound11:16:375
2351593992725,2cyclictest2675159-21kworker/u16:3+events_unbound11:16:375
2351593992725,2cyclictest2521324-21kworker/u16:1+events_unbound08:57:035
2351593992725,2cyclictest2521324-21kworker/u16:1+events_unbound08:41:545
2351593992725,2cyclictest2511323-21kworker/u16:0+events_unbound09:39:065
2351593992725,2cyclictest2511323-21kworker/u16:0+events_unbound08:47:385
2351593992725,2cyclictest2471618-21kworker/u16:0+events_unbound08:18:585
2351593992725,2cyclictest2346245-21kworker/u16:3+events_unbound07:49:145
2351593992725,2cyclictest2322433-21kworker/u16:1+events_unbound07:57:365
2351593992725,2cyclictest2278137-21kworker/u16:2+events_unbound07:38:355
2351592992725,2cyclictest2346245-21kworker/u16:3+events_unbound07:22:264
25433062260,0chrt2541678-21kthreadcore08:44:347
2351599992625,0cyclictest0-21swapper/707:12:347
2351597992624,2cyclictest2452019-21kworker/u16:5+events_unbound07:55:436
2351593992624,2cyclictest2946428-21kworker/u16:2+events_unbound11:55:015
2351593992624,2cyclictest2946428-21kworker/u16:2+events_unbound11:55:015
2351593992624,2cyclictest2835284-21kworker/u16:1+events_unbound11:04:075
2351593992624,2cyclictest2712070-21kworker/u16:1+events_unbound10:02:375
2351593992624,2cyclictest2662918-21kworker/u16:2+events_unbound10:40:025
2351593992624,2cyclictest2578688-21kworker/u16:2+events_unbound09:05:355
2351593992624,2cyclictest2511323-21kworker/u16:0+flush-8:009:21:515
2351593992624,2cyclictest2452019-21kworker/u16:5+events_unbound09:12:575
2351593992624,2cyclictest2452019-21kworker/u16:5+events_unbound08:26:435
2351593992624,2cyclictest2346245-21kworker/u16:3+flush-8:007:51:345
2351593992624,2cyclictest2346245-21kworker/u16:3+events_unbound07:25:555
2351593992624,2cyclictest2322433-21kworker/u16:1+events_unbound08:03:595
2351592992624,2cyclictest2540258-21kworker/u16:2+events_unbound08:45:354
2351592992623,2cyclictest2835284-21kworker/u16:1+events_unbound11:06:554
2351599992524,0cyclictest0-21swapper/707:16:307
2351597992522,2cyclictest2511323-21kworker/u16:0+events_unbound08:49:266
2351593992523,2cyclictest3032271-21kworker/u16:2+events_unbound12:35:565
2351593992523,2cyclictest3032271-21kworker/u16:2+events_unbound12:35:565
2351593992523,2cyclictest2712070-21kworker/u16:1+events_unbound10:31:095
2351593992523,2cyclictest2675159-21kworker/u16:3+events_unbound11:33:295
2351593992523,2cyclictest2601082-21kworker/u16:1+events_unbound09:29:595
2351593992523,2cyclictest2601082-21kworker/u16:1+events_unbound09:18:335
2351593992523,2cyclictest2521324-21kworker/u16:1+flush-8:009:02:345
2351593992523,2cyclictest2402768-21kworker/u16:0+events_unbound07:41:395
2351593992522,2cyclictest3007731-21kworker/u16:3+flush-8:012:29:165
2351592992523,2cyclictest2511323-21kworker/u16:0+events_unbound08:56:264
2351599992423,0cyclictest0-21swapper/709:04:257
2351599992423,0cyclictest0-21swapper/708:56:557
2351599992423,0cyclictest0-21swapper/708:43:467
2351599992423,0cyclictest0-21swapper/708:10:267
2351597992422,2cyclictest2943477-21kworker/u16:0+events_unbound12:01:246
2351597992422,2cyclictest2810652-21kworker/u16:4+events_unbound10:45:256
2351593992422,2cyclictest3007731-21kworker/u16:3+events_unbound12:16:525
2351593992422,2cyclictest2798735-21kworker/u16:0+events_unbound10:35:015
2351593992422,2cyclictest2798735-21kworker/u16:0+events_unbound10:35:015
2351593992422,2cyclictest2675159-21kworker/u16:3+events_unbound10:13:085
2351593992422,2cyclictest2662918-21kworker/u16:2+events_unbound09:45:055
2351593992422,2cyclictest2511323-21kworker/u16:0+flush-8:009:26:485
2351593992422,2cyclictest2346245-21kworker/u16:3+events_unbound07:15:315
2351593992422,2cyclictest2322433-21kworker/u16:1+events_unbound07:22:395
2351593992422,2cyclictest2278137-21kworker/u16:2+events_unbound08:22:145
2351592992422,2cyclictest2278137-21kworker/u16:2+flush-8:007:09:354
2351599992322,0cyclictest0-21swapper/707:23:467
235159999230,22cyclictest5805-21gsd-housekeepin08:38:107
235159999230,22cyclictest5805-21gsd-housekeepin08:38:107
2351597992321,2cyclictest2452019-21kworker/u16:5+flush-8:007:59:506
2351597992321,2cyclictest2452019-21kworker/u16:5+events_unbound08:04:316
2351597992320,2cyclictest2511323-21kworker/u16:0+events_unbound08:54:196
2351593992321,2cyclictest3007731-21kworker/u16:3+events_unbound12:12:445
2351593992321,2cyclictest2835284-21kworker/u16:1+events_unbound11:22:395
2351599992221,0cyclictest0-21swapper/707:28:067
2351597992220,2cyclictest2921436-21kworker/u16:4+events_unbound12:34:006
2351597992220,2cyclictest2346245-21kworker/u16:3+flush-8:007:15:186
2351593992220,2cyclictest2835284-21kworker/u16:1+events_unbound11:27:455
2351592992220,2cyclictest2511323-21kworker/u16:0+events_unbound08:40:504
2351592992220,2cyclictest2402768-21kworker/u16:0+events_unbound07:43:504
2351592992220,2cyclictest2346245-21kworker/u16:3+events_unbound07:52:354
2351599992120,0cyclictest0-21swapper/708:27:147
2351599992120,0cyclictest0-21swapper/707:48:257
2351599992119,1cyclictest0-21swapper/712:14:597
2351599992116,4cyclictest2687377-21latency_hist09:49:167
2351597992119,2cyclictest2452019-21kworker/u16:5+events_unbound08:35:436
2351597992119,2cyclictest2452019-21kworker/u16:5+events_unbound08:35:436
2351597992119,2cyclictest2322433-21kworker/u16:1+events_unbound07:20:406
2351597992119,2cyclictest2278137-21kworker/u16:2+flush-8:007:50:436
2351597992119,2cyclictest2278137-21kworker/u16:2+flush-8:007:09:316
2351592992119,2cyclictest2511323-21kworker/u16:0+events_unbound08:53:384
2351592992119,2cyclictest2346245-21kworker/u16:3+events_unbound07:45:274
2351599992019,0cyclictest0-21swapper/711:05:407
2351597992018,2cyclictest2452019-21kworker/u16:5+flush-8:009:05:106
2351597992018,2cyclictest2452019-21kworker/u16:5+events_unbound08:30:466
2351597992018,2cyclictest2346245-21kworker/u16:3+events_unbound07:29:006
2351593992018,2cyclictest2946428-21kworker/u16:2+events_unbound11:52:015
2351593992018,2cyclictest2921436-21kworker/u16:4+flush-8:011:39:545
2351599991918,0cyclictest0-21swapper/707:54:037
2351597991916,2cyclictest2346245-21kworker/u16:3+flush-8:007:34:176
2351593991917,2cyclictest2712070-21kworker/u16:1+events_unbound10:06:085
2351592991917,2cyclictest2452019-21kworker/u16:5+events_unbound08:20:504
2351592991917,2cyclictest2278137-21kworker/u16:2+events_unbound07:38:394
2351599991817,0cyclictest0-21swapper/707:43:467
2351592991816,2cyclictest2322433-21kworker/u16:1+events_unbound07:26:594
2351599991715,1cyclictest0-21swapper/708:49:317
2351599991715,1cyclictest0-21swapper/708:19:427
2351599991714,2cyclictest0-21swapper/709:34:177
2351597991715,2cyclictest2521324-21kworker/u16:1+events_unbound08:40:306
2351597991715,2cyclictest2278137-21kworker/u16:2+events_unbound08:26:476
2351592991715,2cyclictest2452019-21kworker/u16:5+events_unbound08:33:304
2351592991715,2cyclictest2278137-21kworker/u16:2+events_unbound08:25:474
2351599991615,0cyclictest0-21swapper/710:09:267
235159999160,1cyclictest0-21swapper/711:59:407
235159999160,1cyclictest0-21swapper/711:14:397
235159999160,1cyclictest0-21swapper/711:14:397
235159999160,14cyclictest0-21swapper/710:19:397
2351597991614,2cyclictest2322433-21kworker/u16:1+flush-8:007:47:396
2351592991614,2cyclictest2278137-21kworker/u16:2+events_unbound07:33:344
27516212150,1sleep70-21swapper/710:14:337
2351599991514,0cyclictest0-21swapper/709:24:487
2351599991514,0cyclictest0-21swapper/707:36:547
2351599991513,1cyclictest2723458-21ssh10:02:397
235159999150,13cyclictest3082696-21ssh12:29:307
2351597991513,2cyclictest2578688-21kworker/u16:2+flush-8:009:04:166
2351597991513,2cyclictest2278137-21kworker/u16:2+events_unbound08:12:516
2351593991513,2cyclictest2798735-21kworker/u16:0+events_unbound10:55:135
2351593991513,2cyclictest2675159-21kworker/u16:3+events_unbound11:04:385
2351592991513,2cyclictest2578688-21kworker/u16:2+events_unbound09:02:394
2351592991513,2cyclictest2322433-21kworker/u16:1+events_unbound08:03:304
2351599991413,0cyclictest0-21swapper/711:34:537
2351599991413,0cyclictest0-21swapper/711:24:227
2351599991413,0cyclictest0-21swapper/709:40:287
2351599991412,1cyclictest0-21swapper/711:49:397
2351599991411,2cyclictest1277-21snmpd10:53:507
2351599991411,2cyclictest0-21swapper/707:54:177
235159999140,12cyclictest0-21swapper/711:19:417
2351597991412,2cyclictest2511323-21kworker/u16:0+flush-8:008:48:346
2351593991413,1cyclictest0-21swapper/510:27:035
2351592991412,2cyclictest2511323-21kworker/u16:0+events_unbound08:36:474
2351592991412,2cyclictest2511323-21kworker/u16:0+events_unbound08:36:474
235159999139,3cyclictest1277-21snmpd09:33:097
2351599991312,0cyclictest0-21swapper/710:54:337
2351599991312,0cyclictest0-21swapper/708:29:577
2351599991311,1cyclictest2894836-21ssh11:10:467
2351599991310,2cyclictest1277-21snmpd11:49:097
235159999130,11cyclictest1277-21snmpd08:14:487
2351597991311,2cyclictest2346245-21kworker/u16:3+events_unbound07:34:076
235159999129,2cyclictest5731-21gmain09:54:467
235159999129,2cyclictest5731-21gmain09:54:467
235159999129,2cyclictest1277-21snmpd10:44:147
235159999129,2cyclictest1277-21snmpd09:11:447
235159999128,3cyclictest1277-21snmpd12:28:437
235159999128,3cyclictest1277-21snmpd12:12:497
235159999128,3cyclictest1277-21snmpd09:18:297
235159999128,2cyclictest0-21swapper/712:19:407
235159999126,5cyclictest6175-21gvfs-afc-volume10:06:497
235159999124,7cyclictest5994-21gmain07:29:427
2351599991212,0cyclictest0-21swapper/711:33:167
2351597991210,2cyclictest2346245-21kworker/u16:3+flush-8:007:41:516
2351593991211,1cyclictest0-21swapper/509:57:535
2351593991211,1cyclictest0-21swapper/509:57:535
235159999118,2cyclictest1277-21snmpd12:06:257
235159999117,3cyclictest1277-21snmpd11:01:177
235159999117,3cyclictest1277-21snmpd10:32:257
235159999115,5cyclictest6175-21gvfs-afc-volume12:37:337
235159999115,5cyclictest6175-21gvfs-afc-volume12:37:337
235159999114,6cyclictest6175-21gvfs-afc-volume10:48:127
235159999108,1cyclictest0-21swapper/710:34:427
235159999108,1cyclictest0-21swapper/710:34:427
235159999107,2cyclictest1277-21snmpd11:40:397
23515999996,2cyclictest0-21swapper/711:55:577
23515999996,2cyclictest0-21swapper/711:55:577
23515939990,4cyclictest2975743-21kthreadcore11:44:345
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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