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2026-01-12 - 08:52
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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 Mon Jan 12, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
992223490,2sleep20-21swapper/223:02:372
1262223370,1sleep130682-21kworker/u8:220:40:291
3105523220,2sleep10-21swapper/121:30:061
298323210,2sleep10-21swapper/122:48:111
298323210,2sleep10-21swapper/122:48:111
2470823120,1sleep124221-21kworker/u8:1319:40:141
1348723090,1sleep211552-21kworker/u8:322:00:382
389623070,2sleep10-21swapper/122:50:211
104023070,1sleep132511-21kworker/u8:521:35:171
2195423060,2sleep10-21swapper/100:38:531
1146923060,1sleep19636-21kworker/u8:523:05:381
2928223040,2sleep10-21swapper/119:54:541
2276623020,1sleep121123-21kworker/u8:222:20:361
2517222940,8sleep119-21ksoftirqd/123:35:321
2890122930,2sleep128855-21ssh23:45:021
1882422920,2sleep10-21swapper/123:21:091
2925122880,2sleep20-21swapper/219:54:292
1983422870,6sleep219354-21apt-get19:25:192
1983422870,6sleep219354-21apt-get19:25:182
2909422850,1sleep218145-21kworker/u8:6621:25:212
569322840,2sleep20-21swapper/222:54:122
361222840,1sleep228120-21kworker/u8:722:50:012
361222840,1sleep228120-21kworker/u8:722:50:012
1547722840,2sleep10-21swapper/122:05:281
1169922840,7sleep225-21ksoftirqd/221:57:292
408622800,10sleep119-21ksoftirqd/121:40:351
2992422790,2sleep229927-21kernelversion19:55:232
2478922790,2sleep124778-21ssh21:15:271
219622790,1sleep2241rcuc/221:36:062
1765222790,2sleep217651-21ssh00:30:012
1401522790,1sleep113900-21kworker/u8:122:02:261
2226322780,2sleep227870-21kworker/2:223:30:142
1096322780,3sleep214263-21cyclictest20:35:282
2361822770,1sleep222592-21kworker/u8:1019:35:292
1940422770,2sleep20-21swapper/223:23:512
463522760,1sleep23446-21kworker/u8:120:15:372
1397022750,2sleep20-21swapper/220:45:212
1397022750,2sleep20-21swapper/220:45:212
1163722750,2sleep20-21swapper/200:15:342
2667922730,2sleep10-21swapper/122:30:181
2667922730,2sleep10-21swapper/122:30:171
1964122730,1sleep214689-21kworker/u8:1800:33:512
588222720,1sleep1415-21kworker/u8:700:05:021
588222720,1sleep1415-21kworker/u8:700:05:021
587822720,7sleep14045-1kworker/u9:021:45:181
455422720,8sleep119-21ksoftirqd/120:15:331
155722720,2sleep20-21swapper/223:55:222
2767122710,3sleep227669-21cron19:50:002
2428322710,5sleep119-21ksoftirqd/123:35:001
1072122710,1sleep132517-21kworker/u8:1221:55:231
3216922700,2sleep128116-1kworker/u9:022:40:481
1400522700,4sleep225-21ksoftirqd/200:20:372
955022690,1sleep132517-21kworker/u8:1221:53:101
2507322680,2sleep211557-1kworker/u9:022:25:402
2164022680,2sleep121631-21awk21:10:001
2036022680,1sleep113900-21kworker/u8:122:15:341
2036022680,1sleep113900-21kworker/u8:122:15:341
1885222680,1sleep17122-21kworker/u8:1422:12:321
634522670,1sleep1415-21kworker/u8:700:05:131
1884422670,1sleep218089-21kworker/u8:421:00:162
1884422670,1sleep218089-21kworker/u8:421:00:162
384922660,2sleep20-21swapper/221:40:242
2647422660,1sleep118145-21kworker/u8:6621:20:041
1753022660,2sleep20-21swapper/220:55:302
120622660,1sleep130682-21kworker/u8:220:05:351
621222650,2sleep10-21swapper/120:20:311
2792422650,1sleep223495-21kworker/u8:322:31:432
2792422650,1sleep223495-21kworker/u8:322:31:432
2368222650,1sleep118088-21kworker/u8:321:14:021
1805122650,1sleep213899-21kworker/u8:022:10:402
1794322650,7sleep119-21ksoftirqd/120:55:411
1595422650,1sleep214284-21kworker/u8:1123:15:312
938122640,1sleep25128-21kworker/u8:1200:10:392
703022640,2sleep27023-21ssh00:05:442
3021622640,2sleep10-21swapper/121:27:131
1527922640,1sleep114284-21kworker/u8:1123:15:061
1049122640,2sleep10-21swapper/123:05:011
569822630,1sleep25126-21kworker/u8:1000:04:222
569822630,1sleep25126-21kworker/u8:1000:04:212
286422630,1sleep130354-21kworker/u8:523:56:571
1058222630,2sleep10-21swapper/100:14:401
3109722620,2sleep231096-21ssh21:30:152
1991922620,2sleep20-21swapper/223:25:082
1633422620,2sleep116322-21ssh00:25:381
2979022610,3sleep227870-21kworker/2:222:35:422
2682022610,1sleep223619-21kworker/u8:723:40:042
1444122610,2sleep20-21swapper/219:10:012
682422600,2sleep20-21swapper/222:55:332
3184822590,1sleep217232-21kworker/u8:2520:00:332
3044122590,1sleep128115-21kworker/u8:022:37:491
256722590,2sleep20-21swapper/220:10:232
2479822590,3sleep217213-1kworker/u9:119:40:142
2201722590,3sleep122019-21awk19:30:291
1329622590,1sleep112334-21kworker/u8:400:20:161
593822580,1sleep24826-21kworker/u8:321:45:232
2480122580,1sleep218088-21kworker/u8:321:15:282
1995222580,1sleep114508-21kworker/u8:1223:25:151
1232522580,1sleep23449-21kworker/u8:520:40:212
1632022570,1sleep216217-21kworker/u8:422:07:302
1205022570,1sleep15128-21kworker/u8:1200:15:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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