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2026-03-13 - 04:57
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Fri Mar 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1049421660,3sleep21718999cyclictest23:38:022
1068911620,4ptp4l401ktimersoftd/319:57:453
560621450,4sleep01717799cyclictest22:27:260
560621450,4sleep01717799cyclictest22:27:260
2906321440,4sleep21718999cyclictest22:50:362
3702830,2sleep20-21swapper/223:27:382
27532760,2sleep00-21swapper/020:35:210
158752750,6sleep2311rcuc/219:55:262
1717799688,23cyclictest8723-21cut22:30:290
143332660,2sleep20-21swapper/200:46:552
1717799657,24cyclictest14026-21timerandwakeup23:40:420
1717799651,29cyclictest22448-21ssh23:16:400
1717799650,28cyclictest6436-21sed00:05:410
57872640,2sleep20-21swapper/200:05:322
24752640,2sleep00-21swapper/000:35:290
198802640,2sleep10-21swapper/123:15:161
1717799631,31cyclictest17438-21cpuspeed_turbos23:45:250
1717799631,22cyclictest18197-21ssh22:40:270
260012610,4sleep11718499cyclictest20:15:261
1717799610,25cyclictest14520-21sed23:10:110
315712600,4sleep01717799cyclictest21:35:260
1717799600,32cyclictest27822-21sed21:25:410
17184995948,6cyclictest25-21ksoftirqd/122:30:221
1717799590,25cyclictest11527-21cat00:45:140
1717799580,25cyclictest7727-21latency_hist21:55:100
321142570,1sleep00-21swapper/022:20:430
270432570,2sleep30-21swapper/301:00:293
1717799570,26cyclictest10093-21diskmemload22:20:020
1717799550,27cyclictest16993-21ls22:05:370
51012540,4sleep0111rcuc/001:10:300
322122540,3sleep10-21swapper/101:05:291
1717799540,31cyclictest10093-21diskmemload23:01:230
1717799540,22cyclictest0-21swapper/022:58:140
143291540,3getstats1719899cyclictest20:52:463
17198995319,10cyclictest41-21ksoftirqd/323:55:313
1717799531,32cyclictest233-21systemd-journal00:17:190
1717799531,25cyclictest29230-21latency_hist00:30:130
1717799531,25cyclictest29230-21latency_hist00:30:130
1717799530,25cyclictest10093-21diskmemload22:50:580
17198995212,8cyclictest41-21ksoftirqd/323:10:293
1717799511,24cyclictest10093-21diskmemload23:57:000
1717799510,29cyclictest1386-21/usr/sbin/munin20:30:310
1719899504,7cyclictest41-21ksoftirqd/301:20:143
1719899503,8cyclictest41-21ksoftirqd/323:20:273
1717799500,22cyclictest10093-21diskmemload22:45:410
1719899491,7cyclictest5081-21diskstats00:05:273
1717799490,26cyclictest3093-21latency_hist21:45:100
1719899487,7cyclictest41-21ksoftirqd/322:10:353
1719899483,8cyclictest41-21ksoftirqd/320:15:273
17198994819,6cyclictest41-21ksoftirqd/321:10:093
17198994819,10cyclictest41-21ksoftirqd/300:39:173
17198994818,9cyclictest41-21ksoftirqd/301:09:523
1717799480,28cyclictest8829-21irqrtprio21:55:280
1717799480,26cyclictest20691-21sh22:10:250
1719899476,8cyclictest41-21ksoftirqd/322:40:103
1719899476,8cyclictest41-21ksoftirqd/322:40:103
17198994741,3cyclictest391rcuc/323:40:413
1719899474,11cyclictest41-21ksoftirqd/322:25:233
1719899474,11cyclictest41-21ksoftirqd/322:25:233
17198994722,8cyclictest41-21ksoftirqd/300:18:233
17198994716,4cyclictest41-21ksoftirqd/300:35:033
17198994716,4cyclictest41-21ksoftirqd/300:35:033
1717799471,25cyclictest10093-21diskmemload00:31:210
1717799471,25cyclictest10093-21diskmemload00:31:210
1717799470,25cyclictest21290-21latency_hist00:55:140
1719899467,8cyclictest41-21ksoftirqd/322:00:343
1719899466,8cyclictest41-21ksoftirqd/323:45:253
1719899466,8cyclictest41-21ksoftirqd/322:54:443
1719899466,10cyclictest41-21ksoftirqd/323:30:403
1719899464,8cyclictest41-21ksoftirqd/301:10:343
17198994635,9cyclictest391rcuc/322:21:513
17198994622,9cyclictest41-21ksoftirqd/322:35:103
17198994621,8cyclictest41-21ksoftirqd/323:17:453
17198994614,9cyclictest41-21ksoftirqd/322:19:493
1719899456,8cyclictest6954-21basename21:50:333
1719899456,8cyclictest41-21ksoftirqd/321:50:093
1719899456,7cyclictest41-21ksoftirqd/323:25:243
1719899456,7cyclictest41-21ksoftirqd/321:15:363
1719899456,7cyclictest41-21ksoftirqd/300:40:423
1719899456,7cyclictest41-21ksoftirqd/300:10:303
1719899454,7cyclictest41-21ksoftirqd/301:20:263
17198994539,3cyclictest391rcuc/322:55:333
17198994520,8cyclictest41-21ksoftirqd/323:54:033
1719899451,6cyclictest29054-21munin-run00:30:133
1719899451,6cyclictest29054-21munin-run00:30:133
17198994513,9cyclictest41-21ksoftirqd/322:08:043
1717799450,21cyclictest0-21swapper/023:10:200
1719899446,8cyclictest41-21ksoftirqd/320:25:173
1719899446,8cyclictest41-21ksoftirqd/300:00:253
1719899446,8cyclictest18296-21ssh00:50:413
1719899446,7cyclictest41-21ksoftirqd/322:41:383
1719899445,7cyclictest41-21ksoftirqd/323:05:123
1719899442,7cyclictest41-21ksoftirqd/322:45:403
17198994420,9cyclictest41-21ksoftirqd/320:05:333
17198994418,9cyclictest41-21ksoftirqd/300:22:233
1719899441,6cyclictest394-21fschecks_count20:30:233
17198994413,9cyclictest41-21ksoftirqd/300:46:253
1719899440,7cyclictest20442-21ssh01:25:363
1717799442,33cyclictest31831-21apt-get01:05:260
1717799440,25cyclictest19738-21ssh01:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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