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2026-04-26 - 13:49
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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 Apr 26, 2026 00:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
982824060,1sleep28530-21kworker/u8:420:20:332
982824060,1sleep28530-21kworker/u8:420:20:322
1378223480,7sleep213783-21/usr/sbin/munin00:15:382
2247723460,1sleep225-21ksoftirqd/219:20:302
2028723400,1sleep119670-21kworker/u8:1219:15:181
726923360,2sleep10-21swapper/122:50:271
1720823210,2sleep20-21swapper/222:01:012
63023010,2sleep10-21swapper/123:46:591
63023010,2sleep10-21swapper/123:46:581
1850222990,1sleep117048-21kworker/u8:3123:15:231
1909722930,2sleep20-21swapper/219:10:252
3217222910,7sleep1181rcuc/121:24:261
1329822900,1sleep18537-21kworker/u8:920:30:261
316622890,1sleep21376-21kworker/u8:722:40:422
316622890,1sleep21376-21kworker/u8:722:40:422
2906022890,1sleep127785-21kworker/u8:819:40:361
2788322880,2sleep20-21swapper/223:35:302
1503822870,1sleep212191-21kworker/u8:520:35:342
529022860,2sleep23762-21kworker/u8:321:35:282
529022860,2sleep23762-21kworker/u8:321:35:272
1715922850,3sleep216355-21kworker/u8:1619:05:192
2894722840,1sleep227785-21kworker/u8:819:40:282
2429622840,1sleep223474-21kworker/u8:1400:40:032
862122830,2sleep20-21swapper/221:43:322
753322830,2sleep17527-21ssh21:40:251
84222810,3sleep2845-21aten2.4-expect19:55:152
300922810,2sleep10-21swapper/121:30:281
1749522810,9sleep218357-21cyclictest00:25:112
316022800,1sleep222006-21kworker/u8:1121:30:382
2861822800,1sleep223653-21kworker/u8:021:15:262
2861822800,1sleep223653-21kworker/u8:021:15:262
2784422800,3sleep127787-21latency_hist21:15:011
2784422800,3sleep127787-21latency_hist21:15:011
1218022800,3sleep212172-21ssh21:50:362
3014422790,1sleep129528-21kworker/u8:219:45:171
2050822790,2sleep220377-21kworker/u8:320:53:392
2050822790,2sleep220377-21kworker/u8:320:53:382
1808022790,2sleep118079-21ssh00:25:251
1554022770,2sleep215536-21ssh00:20:202
825922750,1sleep15263-21kworker/u8:3320:15:371
2180422740,2sleep221761-21ssh00:35:002
1690922740,2sleep10-21swapper/119:05:141
1113622740,1sleep110414-21kworker/u8:020:25:241
812822720,2sleep20-21swapper/222:52:082
1803022720,1sleep115015-21kworker/u8:322:04:581
1166122710,2sleep110336-21kworker/u8:223:00:231
2112422700,2sleep10-21swapper/120:55:191
1785622700,2sleep20-21swapper/220:45:192
418022690,2sleep10-21swapper/123:55:181
3160822690,1sleep128776-21kworker/u8:1522:34:021
2698722690,1sleep223654-21kworker/u8:221:11:162
2698722690,1sleep223654-21kworker/u8:221:11:162
2086522690,1sleep13763-21kworker/u8:422:10:201
2079222690,2sleep20-21swapper/219:15:322
1877722690,1sleep214975-21kworker/u8:2323:15:312
1071322690,1sleep2686-21kworker/u8:500:10:152
648822680,1sleep15120-21kworker/u8:400:00:221
648822680,1sleep15120-21kworker/u8:400:00:211
182322680,1sleep129528-21kworker/u8:219:55:391
1653022680,1sleep114284-21kworker/u8:1700:21:371
1466522680,2sleep10-21swapper/123:05:541
760322670,6sleep218357-21cyclictest00:02:242
760322670,6sleep218357-21cyclictest00:02:242
3210822670,1sleep128771-21kworker/u8:922:35:021
2833922670,2sleep10-21swapper/121:15:211
2833922670,2sleep10-21swapper/121:15:211
988222660,1sleep26033-21kworker/u8:721:45:332
2851022660,2sleep121911-21kworker/u8:522:26:041
1229122660,1sleep17639-21kworker/u8:800:13:071
2725922650,4sleep226162-21kworker/u8:419:35:262
2725922650,4sleep226162-21kworker/u8:419:35:252
2472522650,2sleep10-21swapper/121:05:281
3177222640,1sleep230855-21kworker/u8:123:45:142
3177222640,1sleep230855-21kworker/u8:123:45:142
1451922640,2sleep114508-21ssh21:55:371
901722630,1sleep17640-21kworker/u8:900:05:321
794122630,2sleep20-21swapper/220:15:262
630122630,1sleep15240-21kworker/u8:1020:10:261
2651822630,2sleep20-21swapper/222:22:162
2566522630,1sleep214956-21kworker/u8:523:30:352
2349622630,2sleep20-21swapper/219:25:172
2410222620,4sleep119-21ksoftirqd/100:40:021
2406122620,1sleep122973-21kworker/u8:919:25:271
2226422620,2sleep20-21swapper/223:24:322
2226422620,2sleep20-21swapper/223:24:322
2094522620,1sleep217344-21kworker/u8:022:10:212
1325922620,2sleep10-21swapper/121:54:041
643022610,10sleep218357-21cyclictest20:10:362
2057922610,2sleep10-21swapper/123:20:171
2057922610,2sleep10-21swapper/123:20:171
1842322610,1sleep115015-21kworker/u8:322:05:181
1842322610,1sleep115015-21kworker/u8:322:05:181
992422600,2sleep19919-21ntp_states21:45:361
526822600,2sleep10-21swapper/121:35:271
526822600,2sleep10-21swapper/121:35:271
311322600,2sleep10-21swapper/120:00:331
234222600,1sleep223940-21kworker/u8:1723:50:342
229922600,2sleep10-21swapper/122:40:181
229922600,2sleep10-21swapper/122:40:171
1628122600,2sleep116252-21ssh23:10:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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