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2026-04-10 - 03:18
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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 Apr 10, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215302211162,23sleep00-21swapper/019:09:570
214662208157,25sleep30-21swapper/319:09:083
214372202149,41sleep10-21swapper/119:08:461
213042200161,26sleep20-21swapper/219:07:032
1589921070,0sleep1111rcu_preempt23:59:291
274862600,0sleep10-21swapper/122:50:001
21627992215,6cyclictest28-21ksoftirqd/222:35:112
21627992019,1cyclictest28-21ksoftirqd/200:00:172
326392190,0sleep335-21ksoftirqd/323:38:243
326392190,0sleep335-21ksoftirqd/323:38:243
113642180,0sleep10-21swapper/122:28:141
21627991716,1cyclictest28-21ksoftirqd/222:40:112
21627991716,1cyclictest28-21ksoftirqd/221:15:222
21627991716,1cyclictest28-21ksoftirqd/219:50:162
21627991616,0cyclictest28-21ksoftirqd/223:25:222
21627991616,0cyclictest28-21ksoftirqd/222:50:202
21627991616,0cyclictest28-21ksoftirqd/222:20:162
21627991616,0cyclictest28-21ksoftirqd/221:38:382
97102150,0sleep30-21swapper/322:25:193
21627991515,0cyclictest28-21ksoftirqd/223:36:232
21627991515,0cyclictest28-21ksoftirqd/223:36:232
21627991515,0cyclictest28-21ksoftirqd/222:29:352
21627991515,0cyclictest28-21ksoftirqd/222:01:312
21627991515,0cyclictest28-21ksoftirqd/221:29:532
21627991515,0cyclictest28-21ksoftirqd/221:20:172
21627991515,0cyclictest28-21ksoftirqd/221:10:572
21627991515,0cyclictest28-21ksoftirqd/200:38:412
21627991515,0cyclictest28-21ksoftirqd/200:28:592
21627991514,1cyclictest28-21ksoftirqd/222:19:542
21627991514,1cyclictest28-21ksoftirqd/221:41:442
2162799148,2cyclictest28-21ksoftirqd/223:30:112
2162799145,8cyclictest28-21ksoftirqd/220:20:162
21627991414,0cyclictest28-21ksoftirqd/223:18:392
21627991414,0cyclictest28-21ksoftirqd/222:49:552
21627991414,0cyclictest28-21ksoftirqd/222:13:192
21627991414,0cyclictest28-21ksoftirqd/221:45:502
21627991413,1cyclictest28-21ksoftirqd/223:41:252
21627991413,1cyclictest28-21ksoftirqd/223:10:412
21627991413,1cyclictest28-21ksoftirqd/223:07:452
21627991413,0cyclictest28-21ksoftirqd/223:52:322
21627991313,0cyclictest28-21ksoftirqd/223:23:562
21627991313,0cyclictest28-21ksoftirqd/222:57:452
21627991313,0cyclictest28-21ksoftirqd/222:32:372
21627991312,1cyclictest28-21ksoftirqd/223:55:072
21627991312,1cyclictest28-21ksoftirqd/223:45:112
21627991312,1cyclictest28-21ksoftirqd/221:56:372
21627991312,1cyclictest28-21ksoftirqd/200:05:122
21627991311,1cyclictest28-21ksoftirqd/200:20:002
2162799130,1cyclictest0-21swapper/200:32:002
2162799130,1cyclictest0-21swapper/200:31:592
21627991212,0cyclictest28-21ksoftirqd/221:31:482
21627991211,1cyclictest28-21ksoftirqd/223:00:112
21627991211,1cyclictest28-21ksoftirqd/221:53:052
21627991211,1cyclictest28-21ksoftirqd/220:45:002
21627991211,1cyclictest28-21ksoftirqd/219:25:002
21627991210,1cyclictest28-21ksoftirqd/221:10:012
21627991210,1cyclictest28-21ksoftirqd/220:35:002
21627991210,1cyclictest28-21ksoftirqd/220:25:142
21627991210,1cyclictest28-21ksoftirqd/219:40:122
2160799124,4cyclictest2289-21perf19:35:000
2163299119,1cyclictest35-21ksoftirqd/300:10:003
2162799119,1cyclictest28-21ksoftirqd/220:55:132
2162799119,1cyclictest28-21ksoftirqd/220:15:122
2162799119,1cyclictest28-21ksoftirqd/220:00:142
2162799119,1cyclictest28-21ksoftirqd/219:35:012
2162799119,1cyclictest28-21ksoftirqd/200:10:192
21627991110,1cyclictest28-21ksoftirqd/222:05:122
21627991110,1cyclictest28-21ksoftirqd/221:00:202
21627991110,1cyclictest28-21ksoftirqd/220:50:182
21627991110,1cyclictest28-21ksoftirqd/220:35:012
21627991110,1cyclictest28-21ksoftirqd/220:05:092
21627991110,1cyclictest28-21ksoftirqd/219:55:132
21627991110,1cyclictest28-21ksoftirqd/219:45:122
21627991110,1cyclictest28-21ksoftirqd/219:25:012
21627991110,1cyclictest28-21ksoftirqd/219:15:002
2160799119,1cyclictest9-21ksoftirqd/020:15:010
2160799112,4cyclictest14868-21diskmemload00:10:000
2162799109,1cyclictest28-21ksoftirqd/220:10:162
2162799109,1cyclictest28-21ksoftirqd/219:35:002
2162799109,1cyclictest28-21ksoftirqd/200:20:142
2162799108,1cyclictest28-21ksoftirqd/220:45:152
2162799108,1cyclictest28-21ksoftirqd/220:45:142
2162799106,3cyclictest28-21ksoftirqd/219:10:142
2160799104,2cyclictest10940-21ssh21:45:160
2160799102,5cyclictest5699-21gltestperf23:45:150
2160799100,5cyclictest30172-21fschecks_time22:10:140
31937293,5sleep032240-21wc22:55:140
216329990,5cyclictest31094-21kworker/3:000:10:143
216209990,4cyclictest0-21swapper/122:40:121
216079992,6cyclictest3038-21tr21:35:120
216079991,7cyclictest13086-21ntp_states19:55:180
216079990,5cyclictest29481-21perf23:35:010
22043280,1sleep10-21swapper/121:17:421
216329986,1cyclictest35-21ksoftirqd/321:09:593
216329986,1cyclictest35-21ksoftirqd/320:25:003
216329980,7cyclictest0-21swapper/321:47:013
216079986,1cyclictest27295-21latency_hist19:20:000
216079982,4cyclictest14868-21diskmemload22:51:190
216079980,7cyclictest583-21in:imuxsock23:09:590
216079980,7cyclictest25229-21ssh22:04:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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