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2026-06-29 - 02:31
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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 rackfslot4.osadl.org (updated Sun Jun 28, 2026 12:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2018923730,1sleep110150-21kworker/u8:1310:10:151
1488723460,3sleep214866-21apt-get12:20:132
1087423390,2sleep20-21swapper/211:00:212
1087423390,2sleep20-21swapper/211:00:202
1070323330,3sleep110702-21ssh09:49:161
2339623200,2sleep10-21swapper/109:02:441
202723190,2sleep119301-21kworker/u8:210:40:301
240923130,2sleep128077-1kworker/u9:311:52:001
1737223110,1sleep14094-21kworker/u8:607:05:301
1948723100,2sleep10-21swapper/107:11:381
2303623080,1sleep219301-21kworker/u8:210:15:272
1087223080,2sleep10-21swapper/111:00:181
1087223080,2sleep10-21swapper/111:00:171
1441023030,2sleep1121rcu_preempt08:35:411
1833623020,3sleep218335-21ntpq11:15:392
386323000,1sleep226169-21kworker/u8:710:45:232
899222980,1sleep226169-21kworker/u8:710:55:272
2728722980,2sleep2121rcu_preempt11:35:292
3225122950,1sleep228463-21kworker/u8:910:35:412
3225122950,1sleep228463-21kworker/u8:910:35:412
3182322950,2sleep231821-21ntpq11:45:302
2197322950,7sleep221975-21idleruntime12:35:222
2947022930,1sleep128047-21kworker/u8:211:40:221
1260422930,1sleep111284-21kworker/u8:412:15:121
543422920,6sleep23873-1kworker/u9:012:00:012
543422920,6sleep23873-1kworker/u9:012:00:012
671322910,1sleep15190-21kworker/u8:810:50:271
1715122910,2sleep217150-21ssh12:25:162
2446922900,1sleep223386-21kworker/u8:7509:05:302
1780622900,3sleep217780-21ssh10:05:012
1726322880,2sleep20-21swapper/208:45:192
1726322880,2sleep20-21swapper/208:45:192
179822870,1sleep228054-21kworker/u8:1011:50:402
834622860,19sleep16733-21kworker/u8:608:17:231
3269322840,1sleep119301-21kworker/u8:210:36:201
3269322840,1sleep119301-21kworker/u8:210:36:191
2791022830,2sleep127900-21sendmail07:40:001
2217022830,2sleep120657-21kworker/u8:912:35:241
3110022820,2sleep20-21swapper/210:34:272
3177522810,2sleep20-21swapper/207:50:232
2407022800,7sleep124071-21/usr/sbin/munin09:05:171
1732822790,1sleep22211-21kworker/u8:207:05:272
1490522790,3sleep214904-21ssh09:57:502
2354322780,2sleep10-21swapper/107:25:211
1797522780,2sleep30-21swapper/307:08:103
2520222770,1sleep121578-21kworker/u8:510:20:241
2231122760,1sleep219530-21kworker/u8:1307:20:312
1210722760,2sleep20-21swapper/208:30:152
3044422750,1sleep211211-21kworker/u8:1107:45:322
2607322750,2sleep20-21swapper/211:33:322
2607322750,2sleep20-21swapper/211:33:312
1820622750,1sleep116836-21kworker/u8:911:15:301
469222740,6sleep12716-21kworker/u8:110:45:461
2926522740,1sleep228047-21kworker/u8:211:40:192
1674922740,3sleep20-21swapper/208:44:592
504222730,3sleep13481-21kworker/u8:308:06:301
3031922730,1sleep122726-21kworker/u8:407:45:231
2849822730,1sleep223314-21kworker/u8:109:15:362
2849822730,1sleep223314-21kworker/u8:109:15:352
2546022730,2sleep10-21swapper/107:30:271
2132722720,1sleep10-21swapper/112:34:451
136722720,1sleep219301-21kworker/u8:210:40:152
3105922710,2sleep10-21swapper/110:34:151
2620222710,2sleep119812-1kworker/u9:309:10:361
1604522710,1sleep12717-21kworker/u8:311:10:351
1180622710,2sleep10-21swapper/112:13:351
628922700,1sleep128060-21kworker/u8:1612:00:361
628922700,1sleep128060-21kworker/u8:1612:00:361
2719022690,2sleep20-21swapper/207:35:352
985822680,2sleep10-21swapper/108:20:371
723522680,1sleep15799-21kworker/u8:809:40:271
3030622680,2sleep20-21swapper/209:20:182
2061322680,7sleep225-21ksoftirqd/211:20:332
1968722680,3sleep219686-21hddtemp_smartct12:30:182
1739622680,1sleep116305-21kworker/u8:012:25:201
1124922680,1sleep29950-21kworker/u8:1208:25:382
1124922680,1sleep29950-21kworker/u8:1208:25:372
42622670,2sleep2422-21ssh09:25:292
1558622670,1sleep113969-21kworker/u8:512:20:321
237622660,1sleep123314-21kworker/u8:109:30:181
2273422660,2sleep122726-21ssh11:25:271
2066322660,1sleep219528-21kworker/u8:1007:15:322
2028422660,2sleep20-21swapper/208:55:162
931022650,1sleep24604-21kworker/u8:312:07:332
885222650,2sleep20-21swapper/208:20:142
634022650,1sleep229094-21kworker/u8:009:40:012
491022650,1sleep123314-21kworker/u8:109:35:251
2952322650,6sleep129097-1kworker/u9:009:19:011
2952322650,6sleep129097-1kworker/u9:009:19:001
725922640,2sleep27253-21ssh09:40:282
1920022640,2sleep112103-1kworker/u9:208:50:251
1861622640,2sleep10-21swapper/110:05:331
1112322640,1sleep19954-21kworker/u8:1608:25:321
1112322640,1sleep19954-21kworker/u8:1608:25:321
3202422630,2sleep10-21swapper/107:50:301
2776522630,1sleep125789-21kworker/u8:511:35:521
1901722620,1sleep218165-21kworker/u8:008:50:232
1544722620,1sleep110150-21kworker/u8:1310:00:011
999222610,1sleep14604-21kworker/u8:312:10:011
940922610,1sleep12716-21kworker/u8:110:55:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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