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2026-08-09 - 01:51
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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 Sun Aug 09, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242822211172,25sleep30-21swapper/319:06:023
243732210156,42sleep00-21swapper/019:07:120
243272207146,23sleep10-21swapper/119:06:361
244222199158,27sleep20-21swapper/219:07:502
244292400,1sleep228-21ksoftirqd/223:35:192
24686991818,0cyclictest28-21ksoftirqd/221:25:202
24686991716,1cyclictest28-21ksoftirqd/219:10:202
236532170,0sleep10-21swapper/123:35:141
24686991615,1cyclictest28-21ksoftirqd/223:50:112
24686991615,1cyclictest28-21ksoftirqd/221:05:112
24686991615,1cyclictest28-21ksoftirqd/220:10:172
24686991614,1cyclictest28-21ksoftirqd/200:35:122
24676991612,4cyclictest0-21swapper/121:10:121
24686991514,1cyclictest28-21ksoftirqd/223:55:212
24686991514,1cyclictest28-21ksoftirqd/223:16:352
24686991514,1cyclictest28-21ksoftirqd/222:55:182
24686991514,1cyclictest28-21ksoftirqd/220:00:182
24686991513,1cyclictest28-21ksoftirqd/219:55:162
2468699148,4cyclictest28-21ksoftirqd/200:00:212
24686991414,0cyclictest28-21ksoftirqd/222:25:172
24686991413,1cyclictest28-21ksoftirqd/221:55:132
24686991413,1cyclictest28-21ksoftirqd/220:35:202
24686991413,1cyclictest28-21ksoftirqd/220:05:162
24686991412,1cyclictest28-21ksoftirqd/221:00:002
24686991412,1cyclictest28-21ksoftirqd/220:50:142
2468699138,4cyclictest28-21ksoftirqd/221:50:172
24686991313,0cyclictest28-21ksoftirqd/222:38:552
24686991313,0cyclictest28-21ksoftirqd/221:30:192
24686991313,0cyclictest28-21ksoftirqd/220:15:142
24686991312,1cyclictest28-21ksoftirqd/223:45:162
24686991312,1cyclictest28-21ksoftirqd/222:51:472
24686991312,1cyclictest28-21ksoftirqd/219:15:122
24686991312,1cyclictest28-21ksoftirqd/200:20:142
24686991311,1cyclictest28-21ksoftirqd/222:05:172
24686991311,1cyclictest28-21ksoftirqd/221:20:002
24686991311,1cyclictest28-21ksoftirqd/219:40:002
24691991210,1cyclictest35-21ksoftirqd/321:20:003
2468699129,3cyclictest28-21ksoftirqd/222:10:172
24686991212,0cyclictest28-21ksoftirqd/221:24:352
24686991212,0cyclictest28-21ksoftirqd/200:30:102
24686991211,1cyclictest28-21ksoftirqd/223:00:122
24686991211,1cyclictest28-21ksoftirqd/222:15:122
24686991211,1cyclictest28-21ksoftirqd/221:40:152
24686991211,1cyclictest28-21ksoftirqd/220:50:002
24686991211,1cyclictest28-21ksoftirqd/219:25:002
24686991211,1cyclictest28-21ksoftirqd/200:20:002
24686991210,1cyclictest28-21ksoftirqd/223:10:002
24686991210,1cyclictest28-21ksoftirqd/222:45:212
24686991210,1cyclictest28-21ksoftirqd/221:35:212
24686991210,1cyclictest28-21ksoftirqd/220:45:002
24686991210,1cyclictest28-21ksoftirqd/220:25:122
24686991210,1cyclictest28-21ksoftirqd/219:55:002
2467699120,0cyclictest0-21swapper/123:40:111
24691991110,1cyclictest35-21ksoftirqd/321:30:023
2468699119,1cyclictest28-21ksoftirqd/223:25:142
2468699119,1cyclictest28-21ksoftirqd/223:20:192
2468699119,1cyclictest28-21ksoftirqd/222:40:122
2468699119,1cyclictest28-21ksoftirqd/222:30:142
2468699119,1cyclictest28-21ksoftirqd/219:50:002
2468699119,1cyclictest28-21ksoftirqd/219:40:192
2468699119,1cyclictest28-21ksoftirqd/200:25:142
2468699119,1cyclictest28-21ksoftirqd/200:05:182
2468699118,1cyclictest28-21ksoftirqd/221:00:012
2468699116,4cyclictest28-21ksoftirqd/220:20:122
24686991111,0cyclictest28-21ksoftirqd/223:12:092
24686991111,0cyclictest28-21ksoftirqd/222:22:422
24686991110,1cyclictest28-21ksoftirqd/223:40:182
24686991110,1cyclictest28-21ksoftirqd/221:45:202
24686991110,1cyclictest28-21ksoftirqd/220:35:012
24686991110,1cyclictest28-21ksoftirqd/200:10:002
2469199109,1cyclictest35-21ksoftirqd/323:15:003
2469199109,1cyclictest35-21ksoftirqd/322:50:143
2469199109,1cyclictest35-21ksoftirqd/322:40:003
2468699109,1cyclictest28-21ksoftirqd/222:00:142
2468699109,1cyclictest28-21ksoftirqd/221:10:122
2468699109,1cyclictest28-21ksoftirqd/219:30:132
2468699108,1cyclictest28-21ksoftirqd/223:30:142
2468699108,1cyclictest28-21ksoftirqd/219:25:162
246919999,0cyclictest24427-21ntp_states23:35:193
246919998,1cyclictest35-21ksoftirqd/323:00:183
246919998,1cyclictest35-21ksoftirqd/319:45:143
246679995,2cyclictest11301-21snmpd19:53:160
246679992,6cyclictest20315-21perf22:45:000
246919988,0cyclictest35-21ksoftirqd/322:15:183
246919988,0cyclictest35-21ksoftirqd/321:40:193
246919988,0cyclictest35-21ksoftirqd/321:20:213
246919987,0cyclictest35-21ksoftirqd/321:30:163
246919986,1cyclictest11301-21snmpd23:20:593
246919986,1cyclictest11301-21snmpd23:08:283
246919986,1cyclictest11301-21snmpd20:44:023
246919986,1cyclictest11301-21snmpd19:28:513
246919981,4cyclictest11301-21snmpd22:25:043
246919980,4cyclictest1336-21cat00:35:143
246679987,1cyclictest8564-21ssh23:13:520
246679987,1cyclictest289622sleep023:41:430
246679987,1cyclictest17540-21diskmemload23:51:390
246679986,2cyclictest561-21nscd23:55:330
246679986,1cyclictest11301-21snmpd22:18:570
246679986,1cyclictest10119-21cat23:15:150
246679982,5cyclictest28517-21sed21:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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