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2026-08-07 - 08:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Fri Aug 07, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168132235158,25sleep20-21swapper/219:08:142
168222206152,20sleep10-21swapper/119:08:221
166082200162,24sleep00-21swapper/019:05:350
167792198159,25sleep30-21swapper/319:07:473
20142690,0sleep22018-21needreboot20:50:152
17055991818,0cyclictest35-21ksoftirqd/321:20:233
1705599179,5cyclictest35-21ksoftirqd/320:00:013
171142160,0sleep10-21swapper/121:19:251
171582150,0sleep310156-21diskmemload22:50:153
17055991515,0cyclictest35-21ksoftirqd/322:18:273
17055991515,0cyclictest35-21ksoftirqd/322:03:253
17055991515,0cyclictest35-21ksoftirqd/321:56:063
17037991515,0cyclictest9-21ksoftirqd/022:37:060
17037991515,0cyclictest9-21ksoftirqd/021:34:260
17037991514,1cyclictest9-21ksoftirqd/000:25:130
1703799150,1cyclictest4754-21ssh00:05:110
17055991414,0cyclictest35-21ksoftirqd/323:32:523
17055991414,0cyclictest35-21ksoftirqd/322:45:233
17037991414,0cyclictest9-21ksoftirqd/022:32:460
17037991414,0cyclictest9-21ksoftirqd/022:20:350
17037991414,0cyclictest9-21ksoftirqd/021:45:220
17037991413,1cyclictest9-21ksoftirqd/022:47:390
1705599138,3cyclictest35-21ksoftirqd/323:43:393
17055991313,0cyclictest35-21ksoftirqd/323:06:433
17055991313,0cyclictest35-21ksoftirqd/322:55:373
17055991313,0cyclictest35-21ksoftirqd/321:51:083
17055991313,0cyclictest35-21ksoftirqd/321:48:553
17055991313,0cyclictest35-21ksoftirqd/300:39:333
17055991312,1cyclictest35-21ksoftirqd/323:13:493
17055991312,1cyclictest35-21ksoftirqd/321:16:353
17055991312,1cyclictest35-21ksoftirqd/321:10:013
17047991312,1cyclictest28-21ksoftirqd/219:55:012
1704799130,1cyclictest0-21swapper/200:05:112
1703999130,12cyclictest0-21swapper/120:35:161
17037991313,0cyclictest9-21ksoftirqd/023:03:370
17037991312,1cyclictest9-21ksoftirqd/021:25:120
1705599126,6cyclictest35-21ksoftirqd/323:27:183
17055991212,0cyclictest35-21ksoftirqd/322:30:193
17055991212,0cyclictest35-21ksoftirqd/322:25:323
17055991212,0cyclictest35-21ksoftirqd/322:10:203
17055991212,0cyclictest35-21ksoftirqd/321:43:383
17055991212,0cyclictest35-21ksoftirqd/321:36:533
17055991212,0cyclictest35-21ksoftirqd/300:23:533
17055991212,0cyclictest35-21ksoftirqd/300:07:063
17055991212,0cyclictest35-21ksoftirqd/300:01:223
17055991211,1cyclictest35-21ksoftirqd/322:35:533
17055991210,1cyclictest35-21ksoftirqd/322:20:193
1703799129,2cyclictest22424-21apt19:20:000
1703799128,4cyclictest9-21ksoftirqd/023:28:330
1703799127,5cyclictest9-21ksoftirqd/022:19:020
17037991212,0cyclictest9-21ksoftirqd/023:50:530
17037991212,0cyclictest9-21ksoftirqd/023:10:520
17037991212,0cyclictest9-21ksoftirqd/022:52:360
17037991212,0cyclictest9-21ksoftirqd/022:41:400
17037991212,0cyclictest9-21ksoftirqd/022:27:500
17037991212,0cyclictest9-21ksoftirqd/022:02:100
17037991212,0cyclictest9-21ksoftirqd/021:35:340
17037991212,0cyclictest9-21ksoftirqd/000:36:460
17037991212,0cyclictest9-21ksoftirqd/000:31:370
1705599119,1cyclictest35-21ksoftirqd/323:54:593
1705599119,1cyclictest35-21ksoftirqd/323:50:143
1705599119,1cyclictest35-21ksoftirqd/320:15:193
1705599119,1cyclictest35-21ksoftirqd/319:40:173
1705599114,7cyclictest35-21ksoftirqd/322:40:203
17055991111,0cyclictest35-21ksoftirqd/323:49:153
17055991111,0cyclictest35-21ksoftirqd/323:00:173
17055991111,0cyclictest35-21ksoftirqd/300:14:293
17055991110,1cyclictest35-21ksoftirqd/323:15:243
17055991110,1cyclictest35-21ksoftirqd/322:05:163
17055991110,1cyclictest35-21ksoftirqd/321:30:593
17055991110,1cyclictest35-21ksoftirqd/320:50:113
17055991110,1cyclictest35-21ksoftirqd/320:10:013
17055991110,1cyclictest35-21ksoftirqd/319:50:153
17055991110,1cyclictest35-21ksoftirqd/319:40:003
17055991110,1cyclictest35-21ksoftirqd/319:20:203
17055991110,1cyclictest35-21ksoftirqd/300:30:013
17055991110,1cyclictest35-21ksoftirqd/300:25:223
1705599111,7cyclictest341rcuc/320:30:153
1703799117,4cyclictest9-21ksoftirqd/021:18:250
1703799117,3cyclictest9-21ksoftirqd/000:17:040
17037991111,0cyclictest9-21ksoftirqd/023:24:070
17037991111,0cyclictest9-21ksoftirqd/022:12:290
17037991111,0cyclictest9-21ksoftirqd/022:07:100
17037991111,0cyclictest9-21ksoftirqd/000:23:180
17037991110,1cyclictest9-21ksoftirqd/023:30:140
17037991110,0cyclictest9-21ksoftirqd/023:35:180
1705599109,1cyclictest35-21ksoftirqd/321:25:133
1705599109,1cyclictest35-21ksoftirqd/320:55:173
1705599109,1cyclictest35-21ksoftirqd/320:40:113
1705599109,1cyclictest35-21ksoftirqd/320:25:113
1705599109,1cyclictest35-21ksoftirqd/320:10:193
1705599109,1cyclictest35-21ksoftirqd/320:00:153
1705599109,1cyclictest35-21ksoftirqd/319:15:123
1705599109,1cyclictest35-21ksoftirqd/319:10:203
1705599108,1cyclictest35-21ksoftirqd/321:10:023
1705599107,2cyclictest16565-21df_inode23:35:133
1705599104,6cyclictest35-21ksoftirqd/323:20:193
1705599101,8cyclictest341rcuc/320:50:013
1705599101,8cyclictest341rcuc/319:30:163
1703799109,1cyclictest9-21ksoftirqd/022:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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