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2026-04-24 - 17:34
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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 Fri Apr 24, 2026 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2539005999885,6cyclictest2713616-21kworker/u4:14+events_unbound12:05:251
2539005999885,6cyclictest2713616-21kworker/u4:14+events_unbound12:05:251
2539005999487,5cyclictest2639259-21kworker/u4:8+events_unbound10:30:061
2539003999074,7cyclictest0-21swapper/009:15:350
2539003998831,34cyclictest0-21swapper/010:50:100
2539005998780,5cyclictest2700377-21kworker/u4:5+events_unbound11:45:201
2539005998679,5cyclictest2603780-21kworker/u4:0+events_unbound10:00:001
2539005998577,6cyclictest2567234-21kworker/u4:9+events_unbound08:59:471
2539003998211,8cyclictest2539004-21kworker/u4:507:10:010
2539005998174,5cyclictest2542805-21kworker/u4:16+events_unbound07:39:251
2539005998174,5cyclictest2541495-21kworker/u4:12+events_unbound07:24:231
2539005998074,4cyclictest2709218-21kworker/u4:10+events_unbound11:55:231
2539005997972,5cyclictest2726825-21kworker/u4:7+events_unbound12:25:021
2539005997871,5cyclictest2546621-21kworker/u4:14+events_unbound07:44:251
2539005997669,5cyclictest2568531-21kworker/u4:0+events_unbound09:09:491
2539005997568,5cyclictest2558229-21kworker/u4:3+events_unbound08:24:381
2539003997563,9cyclictest53-21kswapd011:50:150
2539003997536,36cyclictest0-21swapper/009:30:360
2539003997536,36cyclictest0-21swapper/009:30:360
2539003997424,47cyclictest0-21swapper/011:00:150
2539003997422,36cyclictest0-21swapper/012:15:180
2539003997326,33cyclictest2725387-21processes12:05:370
2539003997326,33cyclictest2725387-21processes12:05:370
2539005997265,5cyclictest2546620-21kworker/u4:11+events_unbound08:14:361
2539005997163,6cyclictest2530228-21kworker/u4:8+events_unbound07:54:281
253900399715,14cyclictest2690679-21ntpq11:25:380
253900399714,11cyclictest2681912-21ps11:15:380
2539003997135,33cyclictest0-21swapper/011:55:260
2539003997120,47cyclictest2676611-21apt-get11:10:110
2539003997038,30cyclictest2641923-21gltestperf10:30:190
253900399693,25cyclictest2709428-21ssh11:47:130
2539005996861,5cyclictest2546620-21kworker/u4:11+events_unbound08:54:461
2539003996839,26cyclictest0-21swapper/012:10:250
2539003996835,29cyclictest2565979-21cron08:55:010
2539003996739,25cyclictest2655412-21/usr/sbin/munin10:45:230
2539003996733,32cyclictest2672947-21ntpq11:05:290
2539003996733,32cyclictest2555410-21timerwakeupswit08:10:370
2539003996733,31cyclictest2564113-21kernelversion08:45:260
2539005996658,6cyclictest2559496-21kworker/u4:7+events_unbound08:39:401
2539005996658,6cyclictest2537641-21kworker/u4:10+events_unbound08:19:381
2539003996658,6cyclictest2617318-21kworker/u4:10+events_unbound10:10:020
253900399665,16cyclictest2664869-21head10:55:470
253900399664,24cyclictest2649260-21ssh10:38:520
2539003996636,27cyclictest2686610-21grep11:20:380
2539003996634,29cyclictest2724183-21latency_hist12:05:010
2539003996630,33cyclictest0-21swapper/012:35:370
2539003996629,33cyclictest2605921-21/usr/sbin/munin09:50:150
2539005996558,5cyclictest2599258-21kworker/u4:9+events_unbound10:10:001
2539005996557,6cyclictest2563340-21kworker/u4:0+events_unbound08:49:461
2539003996551,9cyclictest2619137-21apt-get10:05:120
253900399653,16cyclictest2628735-21ssh10:15:230
2539003996531,31cyclictest0-21swapper/009:14:490
253900399652,16cyclictest2584314-21ssh09:25:270
2539005996448,6cyclictest2696609-21kworker/u4:0+events_unbound11:33:591
2539003996433,28cyclictest0-21swapper/007:40:170
253900399643,11cyclictest2545371-21modprobe07:35:000
2539005996356,5cyclictest2524931-21kworker/u4:5+events_unbound08:09:331
2539005996345,7cyclictest2726824-21kworker/u4:3+events_unbound12:10:591
2539003996332,28cyclictest2692212-21kworker/u4:7-rpciod11:40:360
2539003996332,28cyclictest2551037-21gltestperf07:55:190
2539003996332,28cyclictest0-21swapper/008:20:120
2539003996330,30cyclictest2636785-21latency_hist10:25:010
2539003996328,33cyclictest2747090-21switchtime12:30:370
2539003996328,32cyclictest2698631-21cpu11:35:160
2539003996320,40cyclictest0-21swapper/010:25:140
2539005996247,11cyclictest2650675-21fschecks_count10:40:211
2539003996228,32cyclictest2651142-21ntpq10:40:330
253900399615,20cyclictest2611069-21ssh09:55:320
2539003996148,8cyclictest2553047-21modprobe08:05:000
2539003996126,32cyclictest0-21swapper/007:20:200
2539003996122,35cyclictest0-21swapper/009:35:200
253900399612,11cyclictest2579111-21apt-get09:20:140
2539003996120,38cyclictest0-21swapper/008:35:230
2539005996053,5cyclictest2669938-21kworker/u4:13+events_unbound11:38:221
2539003996029,28cyclictest0-21swapper/008:20:020
2539003996027,30cyclictest0-21swapper/009:40:410
2539003996025,32cyclictest0-21swapper/007:15:210
2539003996024,32cyclictest0-21swapper/007:55:010
2539003996020,37cyclictest2737645-21cpu12:20:180
2539003996019,4cyclictest25650irq/23-42890000.ethernet08:30:160
2539003995925,31cyclictest0-21swapper/007:45:370
2539003995924,33cyclictest2615313-21kernelversion10:00:220
2539003995923,34cyclictest2569438-21grep09:05:350
2539003995922,33cyclictest0-21swapper/008:25:190
2539003995920,36cyclictest0-21swapper/008:05:160
2539005995851,5cyclictest2541495-21kworker/u4:12+events_unbound07:34:241
2539005995850,6cyclictest2608308-21kworker/u4:12+events_unbound09:54:571
253900399583,13cyclictest2543711-21ps07:25:340
2539003995822,33cyclictest25650irq/23-42890000.ethernet11:35:000
253900399581,7cyclictest2742054-21fschecks_time12:25:190
2539005995740,6cyclictest2691572-21kworker/u4:6+events_unbound11:26:431
2539003995726,28cyclictest0-21swapper/009:45:390
2539005995649,5cyclictest2721796-21kworker/u4:5+events_unbound12:24:421
2539003995630,24cyclictest2539415-21fschecks_count07:10:190
2539005995539,8cyclictest2569846-21diskmemload11:00:121
2539003995517,34cyclictest0-21swapper/008:40:210
2539005995448,4cyclictest2685577-21sshd11:20:161
2539005995448,4cyclictest2603781-21kworker/u4:1+events_unbound10:05:011
2539005995447,5cyclictest2545350-21kworker/u4:1+events_unbound09:17:011
2539005995442,8cyclictest2549212-21modprobe07:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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