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2026-04-18 - 14:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack7slot2.osadl.org (updated Sat Apr 18, 2026 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27996719912194,14cyclictest2808671-21kworker/u4:7+events_unbound09:20:530
27996729910898,7cyclictest2842120-21kworker/u4:10+events_unbound09:25:561
27996719910193,6cyclictest2898961-21kworker/u4:2+events_unbound10:36:030
27996729910094,5cyclictest2877311-21kworker/u4:0+events_unbound10:41:051
2799672999884,7cyclictest2802167-21kworker/u4:11+events_unbound07:35:181
2799671999691,4cyclictest2808671-21kworker/u4:7+events_unbound09:10:510
2799671999487,5cyclictest2846640-21kworker/u4:4+events_unbound09:30:560
2799672999384,7cyclictest2812490-21kworker/u4:2+events_unbound08:20:361
2799671999386,5cyclictest2933955-21kworker/u4:11+events_unbound11:11:110
2799671999376,6cyclictest2833022-21kworker/u4:2+events_unbound09:15:510
2799672999183,6cyclictest2808671-21kworker/u4:7+events_unbound08:30:391
2799672999082,6cyclictest2921265-21kworker/u4:0+events_unbound11:06:121
2799671998975,6cyclictest2818996-21kworker/u4:19+events_unbound08:25:380
2799671998778,7cyclictest2851128-21kworker/u4:2+events_unbound09:35:580
2799671998274,6cyclictest2881770-21kworker/u4:2+events_unbound10:11:020
2799671997971,6cyclictest2977845-21kworker/u4:16+events_unbound12:01:170
2799672997870,6cyclictest2877311-21kworker/u4:0+events_unbound10:46:071
2799672997767,8cyclictest2808671-21kworker/u4:7+events_unbound08:35:381
2799672997464,7cyclictest2785567-21kworker/u4:5+events_unbound07:10:141
2799671997365,6cyclictest2842121-21kworker/u4:11+events_unbound09:45:570
2799672997258,5cyclictest2813791-21kworker/u4:12+events_unbound08:15:021
2799672997165,4cyclictest2956195-21kworker/u4:1+events_unbound11:41:161
2799671996861,5cyclictest2809944-21kworker/u4:18+events_unbound09:00:470
2799672996752,5cyclictest2785570-21kworker/u4:9+events_unbound07:30:011
2799672996646,13cyclictest2875388-21fschecks_count10:00:191
2799671996553,8cyclictest2799669-21cyclictest10:08:000
2799672996455,7cyclictest2895161-21kworker/u4:1+events_unbound10:25:011
2799671996457,5cyclictest2890714-21kworker/u4:3+events_unbound10:26:030
2799672996355,6cyclictest2863915-21kworker/u4:16+events_unbound09:55:591
2799671996238,13cyclictest2934597-21kworker/u4:12+events_unbound11:09:410
2799671996156,3cyclictest2859466-21kworker/u4:14+events_unbound09:51:000
2799671996135,14cyclictest2938390-21kworker/u4:15+events_unbound11:16:000
2799672996053,5cyclictest2818996-21kworker/u4:19+events_unbound08:45:011
2799671996050,8cyclictest2872825-21kworker/u4:10+events_unbound10:22:000
2799672995952,5cyclictest3000120-21kworker/u4:9+events_unbound12:30:421
2799671995952,5cyclictest3008985-21kworker/u4:0+events_unbound12:39:590
2799671995950,7cyclictest2830464-21systemd09:05:490
2799672995851,5cyclictest2802167-21kworker/u4:11+events_unbound08:00:331
2799672995844,6cyclictest2812493-21kworker/u4:9+events_unbound09:05:501
2799672995750,5cyclictest3000120-21kworker/u4:9+events_unbound12:36:231
2799671995745,5cyclictest2921265-21kworker/u4:0+events_unbound11:05:010
2799671995730,23cyclictest2971663-21grep11:50:170
2799672995649,5cyclictest2956196-21kworker/u4:4+events_unbound11:36:011
2799671995649,5cyclictest2784253-21kworker/u4:10+events_unbound08:10:360
2799671995642,12cyclictest2923673-21fschecks_count10:55:210
2799672995548,5cyclictest2947304-21kworker/u4:17+events_unbound11:22:001
2799672995545,8cyclictest2805857-21timerwakeupswit07:30:381
2799672995545,8cyclictest2802168-21kworker/u4:12+events_unbound07:20:151
2799671995548,5cyclictest2995641-21kworker/u4:7+events_unbound12:21:200
2799671995546,6cyclictest2870670-21grep09:55:160
2799671995536,7cyclictest2982310-21kworker/u4:1+events_unbound12:09:010
2799672995445,7cyclictest2895161-21kworker/u4:1+events_unbound10:35:011
2799672995445,6cyclictest0-21swapper/112:00:141
2799672995436,7cyclictest2991193-21kworker/u4:0+events_unbound12:15:011
2799672995435,6cyclictest2921265-21kworker/u4:0+events_unbound11:03:421
2799672995434,7cyclictest2872825-21kworker/u4:10+events_unbound10:30:021
2799671995447,5cyclictest53-21kswapd012:15:120
2799671995445,7cyclictest2784253-21kworker/u4:10+events_unbound08:15:030
2799671995441,6cyclictest2822804-21kworker/u4:22+events_unbound08:40:020
2799671995432,6cyclictest2947305-21kworker/u4:18+events_unbound11:24:340
2799672995344,6cyclictest2833022-21kworker/u4:2+events_unbound09:20:011
2799672995343,6cyclictest0-21swapper/109:30:121
2799671995346,5cyclictest2872825-21kworker/u4:10+events_unbound10:18:430
2799671995345,5cyclictest2800068-21fschecks_count07:10:190
2799671995341,8cyclictest53-21kswapd012:30:080
2799671995332,5cyclictest2977844-21kworker/u4:15+events_unbound12:10:420
2799671995332,5cyclictest2977844-21kworker/u4:15+events_unbound12:10:410
2799671995331,19cyclictest2803942-21fschecks_count07:25:210
2799672995245,5cyclictest2872820-21kworker/u4:4+events_unbound10:06:231
2799672995245,5cyclictest2858996-21systemd09:40:571
2799672995244,6cyclictest2936739-21fschecks_count11:10:191
2799672995244,6cyclictest2898961-21kworker/u4:2+events_unbound10:36:051
2799672995244,5cyclictest2862888-21/usr/sbin/munin09:45:471
2799672995241,8cyclictest2820421-21latency_hist08:30:021
2799671995245,5cyclictest2876582-21systemd10:00:580
2799671995244,6cyclictest2802168-21kworker/u4:12+events_unbound07:17:000
2799671995243,6cyclictest2954273-21fschecks_time11:30:170
2799671995236,7cyclictest2846642-21kworker/u4:9+events_unbound09:40:050
2799672995143,6cyclictest2807976-21gltestperf07:40:211
2799671995139,10cyclictest53-21kswapd011:40:080
2799672995043,5cyclictest2912372-21kworker/u4:14+events_unbound11:26:141
2799672995038,9cyclictest2985364-21ntp_kernel_pll_12:05:281
2799671995040,8cyclictest2795960-21kworker/u4:0+events_unbound07:50:270
2799671995031,16cyclictest3006227-21wc12:30:000
2799672994941,5cyclictest2814727-21sendmail_mailqu08:05:361
2799672994935,11cyclictest0-21swapper/110:55:151
2799672994934,6cyclictest2822804-21kworker/u4:22+events_unbound08:55:471
2799671994943,5cyclictest2956195-21kworker/u4:1+events_unbound11:39:010
2799671994942,5cyclictest2890714-21kworker/u4:3+events_unbound10:48:410
2799671994942,5cyclictest0-21swapper/011:55:300
2799671994941,6cyclictest2969584-21kworker/u4:7+events_unbound11:49:590
2799671994941,6cyclictest2969584-21kworker/u4:7+events_unbound11:49:590
2799671994941,5cyclictest2901434-21/usr/sbin/munin10:30:150
2799671994938,8cyclictest2919123-21aten_r7power_vo10:50:150
2799671994933,7cyclictest2912372-21kworker/u4:14+events_unbound11:25:040
2799671994929,17cyclictest2808671-21kworker/u4:7-rpciod07:45:380
2799672994842,5cyclictest2995640-21kworker/u4:5+events_unbound12:22:011
2799672994841,5cyclictest2989708-21diskmemload12:10:261
2799672994841,5cyclictest2989708-21diskmemload12:10:261
2799672994837,8cyclictest2884259-21gltestperf10:10:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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