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2026-04-23 - 00:14
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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 highest latencies:
System rack7slot2.osadl.org (updated Wed Apr 22, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
401847699116106,7cyclictest4102444-21apt-get10:10:120
40184779910493,5cyclictest4122364-21kworker/u4:0+events_unbound10:33:541
4018476999769,24cyclictest53-21kswapd010:45:090
4018476999385,6cyclictest4046611-21kworker/u4:13+events_unbound08:58:370
4018477998980,6cyclictest19786-21kworker/u4:12+events_unbound12:24:161
4018477998880,5cyclictest4100818-21kworker/u4:12+events_unbound10:18:471
4018476998780,5cyclictest4040235-21kworker/u4:3+events_unbound08:38:340
4018476998681,3cyclictest4131192-21kworker/u4:12+events_unbound10:43:590
4018477998576,7cyclictest53-21kswapd011:40:341
4018476997568,5cyclictest3803076-21kworker/u4:0+events_unbound07:18:160
4018477997263,6cyclictest4046612-21kworker/u4:14+events_unbound09:43:431
4018477997162,5cyclictest4027388-21kworker/u4:11+events_unbound08:55:021
401847699703,51cyclictest4142641-21ssh10:55:290
4018477996257,3cyclictest3663592-21kworker/u4:8+events_unbound09:03:371
4018477996251,9cyclictest4614-21ssh12:00:011
4018477996251,9cyclictest4614-21ssh12:00:011
401847799614,39cyclictest4177628-21ssh11:35:271
4018476996150,5cyclictest4157186-21kworker/u4:2+events_unbound11:20:020
4018476996049,7cyclictest0-21swapper/010:35:320
4018476996041,17cyclictest4033802-21idleruntime-cro08:10:000
4018476995938,15cyclictest4614-21ssh12:00:020
4018476995938,15cyclictest4614-21ssh12:00:010
4018477995850,6cyclictest4051313-21kworker/u4:20+events_unbound09:13:411
4018476995847,7cyclictest0-21swapper/009:10:280
4018477995749,5cyclictest4046612-21kworker/u4:14+events_unbound09:18:391
4018477995747,7cyclictest19785-21kworker/u4:11-rpciod12:30:161
4018477995729,24cyclictest53-21kswapd011:30:191
4018476995749,6cyclictest4166121-21kworker/u4:7+events_unbound11:51:090
4018476995749,6cyclictest4166121-21kworker/u4:7+events_unbound11:51:080
4018476995747,7cyclictest4098958-21/usr/sbin/munin10:05:230
4018476995747,7cyclictest4098958-21/usr/sbin/munin10:05:220
4018477995649,5cyclictest4063157-21df09:25:181
4018476995646,7cyclictest4054090-21aten_r7power_en09:15:170
4018476995642,8cyclictest4179474-21kworker/u4:17-rpciod11:50:020
4018476995641,12cyclictest30952-21latency_hist12:30:020
4018476995638,4cyclictest4063863-21uname09:25:360
4018477995547,6cyclictest4085576-21/usr/sbin/munin09:50:211
4018477995544,7cyclictest4134350-21timerandwakeup10:45:441
4018476995547,6cyclictest4090655-21unixbench-2d09:55:390
4018476995547,4cyclictest0-21swapper/011:40:340
4018476995537,12cyclictest4074039-21sh09:37:120
401847699551,4cyclictest4115811-21apt-get10:25:130
4018477995448,4cyclictest4135591-21kworker/u4:2+events_unbound10:59:031
4018477995439,11cyclictest27079-21fschecks_count12:25:191
4018477995438,6cyclictest3803076-21kworker/u4:0+events_unbound07:50:021
4018477995437,4cyclictest4170571-21kworker/u4:2+events_unbound11:29:081
4018476995448,5cyclictest4023551-21kworker/u4:15+events_unbound08:30:020
4018476995432,7cyclictest171rcu_preempt12:20:270
4018476995346,5cyclictest3806152-21kworker/u4:6+events_unbound08:20:010
4018476995346,5cyclictest3806152-21kworker/u4:6+events_unbound08:20:010
4018476995345,6cyclictest1-21systemd11:04:020
4018477995246,4cyclictest4036416-21apt-key08:20:011
4018477995246,4cyclictest4036416-21apt-key08:20:001
4018477995244,6cyclictest3803076-21kworker/u4:0+events_unbound08:28:311
4018477995243,6cyclictest53-21kswapd010:40:011
4018477995242,6cyclictest0-21swapper/108:10:221
4018477995236,5cyclictest4087285-21kworker/u4:1+events_unbound09:58:471
4018476995236,14cyclictest4084759-21munin-run09:50:010
4018476995229,17cyclictest25650irq/23-42890000.ethernet08:20:060
4018477995144,5cyclictest4071692-21/usr/sbin/munin09:35:111
4018477995142,7cyclictest3803076-21kworker/u4:0+events_unbound07:33:211
4018476995145,5cyclictest4061047-21kworker/u4:7+events_unbound09:40:590
4018476995144,5cyclictest4135591-21kworker/u4:2+events_unbound10:52:410
4018476995143,6cyclictest4144482-21kworker/u4:10+events_unbound11:16:000
4018476995143,6cyclictest4031711-21fschecks_count08:00:190
4018477995042,5cyclictest4128982-21aten_r7power_po10:40:171
4018477995040,7cyclictest4150390-21awk11:05:001
4018476995043,5cyclictest4113508-21kworker/u4:19+events_unbound10:21:590
4018476995043,5cyclictest4026090-21kworker/u4:10+events_unbound09:00:040
4018476995037,10cyclictest35720-21ssh12:35:170
4018477994940,7cyclictest4036819-21df_abs08:20:201
4018477994939,7cyclictest0-21swapper/111:10:111
4018476994942,5cyclictest4059117-21ntpq09:20:250
4018476994942,5cyclictest4042770-21unixbench_singl08:40:370
4018476994942,5cyclictest4042770-21unixbench_singl08:40:370
4018476994942,5cyclictest4023551-21kworker/u4:15+events_unbound08:25:030
4018476994941,6cyclictest4032491-21kworker/u4:17+events_unbound09:08:590
401847699492,33cyclictest14326-21ssh12:10:280
4018477994839,7cyclictest19785-21kworker/u4:11+events_unbound12:17:001
4018477994838,7cyclictest4159494-21aten_r7power_cu11:15:161
4018476994841,5cyclictest31512-21/usr/sbin/munin12:30:200
4018476994840,6cyclictest5107-21/usr/sbin/munin12:00:170
4018476994840,6cyclictest4170572-21kworker/u4:3+events_unbound11:37:230
4018476994840,6cyclictest4151868-21/usr/sbin/munin11:05:380
4018476994840,6cyclictest4019698-21kworker/u4:4+events_unbound07:21:030
4018476994840,6cyclictest4018407-21kworker/u4:1+events_unbound07:10:040
4018476994840,5cyclictest4067987-21ntpq09:30:250
4018476994832,6cyclictest7113-21kworker/u4:5+events_unbound12:17:210
4018477994739,5cyclictest0-21swapper/110:20:251
4018477994738,7cyclictest4154759-21munin-plugin-st11:10:011
4018476994741,5cyclictest4026090-21kworker/u4:10+events_unbound07:40:030
4018476994739,6cyclictest4172725-21/usr/sbin/munin11:30:180
4018476994734,10cyclictest4023572-21kworker/u4:1507:30:010
4018477994640,4cyclictest5232-21fschecks_time12:00:201
4018477994640,4cyclictest4103297-21gltestperf10:10:301
4018477994639,5cyclictest7111-21kworker/u4:0+events_unbound12:14:131
4018477994638,6cyclictest4094142-21df_abs10:00:171
4018477994638,6cyclictest4021945-21sendmail_mailqu07:20:351
4018476994640,5cyclictest4087284-21kworker/u4:0+events_unbound10:20:010
4018476994640,4cyclictest4156126-21cat11:10:390
4018476994637,7cyclictest3806152-21kworker/u4:6+events_unbound07:36:590
4018476994636,6cyclictest0-21swapper/011:25:180
4018477994537,5cyclictest4098750-21gltestperf10:05:201
4018477994537,5cyclictest4098750-21gltestperf10:05:201
4018477994536,7cyclictest4018536-21latency_hist07:10:011
4018477994536,7cyclictest3803076-21kworker/u4:0+events_unbound07:25:321
4018477994536,6cyclictest0-21swapper/109:30:171
4018476994538,5cyclictest4093962-21aten2__10:00:160
4018476994538,5cyclictest3999454-21kworker/u4:9+events_unbound07:59:050
4018476994537,6cyclictest0-21swapper/012:09:130
4018477994436,5cyclictest4191094-21mailstats11:50:381
4018477994436,5cyclictest4191094-21mailstats11:50:371
4018477994436,5cyclictest4186148-21gltestperf11:45:181
4018477994435,7cyclictest4115899-21aten_r7power_cu10:25:151
4018477994435,6cyclictest2623-21kworker/u4:1-rpciod12:05:371
4018477994434,7cyclictest0-21swapper/111:20:311
4018477994431,9cyclictest37-21kcompactd009:47:091
4018477994431,5cyclictest4023552-21kworker/u4:16+events_unbound07:53:231
4018477994337,4cyclictest4137648-21aten_r7power_po10:50:161
4018477994335,6cyclictest4019927-21aten2__07:15:141
4018477994332,8cyclictest4040933-21kernelversion08:35:201
4018476994336,5cyclictest4028671-21cron07:49:590
4018476994335,6cyclictest4121473-21unixbench_singl10:30:400
4018476994331,6cyclictest3663592-21kworker/u4:8+events_unbound08:54:210
4018477994232,8cyclictest4062595-21sh09:25:011
4018477994231,8cyclictest4049004-21timerwakeupswit09:05:361
4018476994236,5cyclictest4022272-21kworker/u4:1+events_unbound07:53:030
4018476994235,5cyclictest4034398-21expr08:10:190
4018476994234,6cyclictest4043028-21aten2__08:45:160
4018476994233,6cyclictest4086024-21sh09:50:380
4018477994134,5cyclictest4025210-21sed07:35:151
4018477994127,4cyclictest4019699-21kworker/u4:5+events_unbound08:05:011
4018476994134,6cyclictest3806152-21kworker/u4:6+events_unbound07:32:410
4018477994033,5cyclictest20441-21kworker/u4:14-rpciod12:35:361
4018477994031,7cyclictest0-21swapper/107:40:351
4018477994029,8cyclictest0-21swapper/108:30:161
4018477994029,8cyclictest0-21swapper/107:10:241
4018477993932,5cyclictest0-21swapper/108:05:251
4018477993931,6cyclictest4030260-21aten_r7power_vo07:55:151
4018477993931,5cyclictest4043192-21grep08:45:171
4018477993729,6cyclictest0-21swapper/108:40:221
4018477993729,6cyclictest0-21swapper/108:40:221
4018477993630,4cyclictest0-21swapper/108:55:181
4018476993023,4cyclictest24850irq/20-imx-lcdifv3-crtc.007:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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