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2026-07-31 - 05:03
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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 Jul 31, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308742245150,44sleep20-21swapper/219:09:392
308262202162,26sleep10-21swapper/119:09:021
308332199158,27sleep30-21swapper/319:09:083
308922197157,26sleep00-21swapper/019:09:530
135552640,0sleep00-21swapper/022:25:120
184202150,0sleep30-21swapper/319:50:003
320992130,0sleep20-21swapper/223:36:082
179142130,0sleep30-21swapper/321:45:143
31014991210,1cyclictest28-21ksoftirqd/221:35:152
31014991210,1cyclictest28-21ksoftirqd/220:05:002
30995991211,1cyclictest9-21ksoftirqd/023:35:170
3101499119,1cyclictest28-21ksoftirqd/200:04:592
31014991111,0cyclictest28-21ksoftirqd/223:40:212
31014991110,1cyclictest28-21ksoftirqd/221:50:152
30995991111,0cyclictest9-21ksoftirqd/023:00:160
30995991110,1cyclictest9-21ksoftirqd/022:10:150
30995991110,1cyclictest9-21ksoftirqd/000:30:010
172542110,0sleep00-21swapper/022:30:140
3101499109,1cyclictest28-21ksoftirqd/221:15:002
3101499109,1cyclictest28-21ksoftirqd/200:20:212
3101499108,1cyclictest28-21ksoftirqd/223:20:162
31014991010,0cyclictest28-21ksoftirqd/200:30:172
3101499100,0cyclictest0-21swapper/223:12:182
3099599108,1cyclictest9-21ksoftirqd/020:00:110
30995991010,0cyclictest9-21ksoftirqd/022:50:010
3099599100,6cyclictest240-21systemd-journal21:17:000
310309998,1cyclictest35-21ksoftirqd/320:35:003
310309990,3cyclictest0-21swapper/321:10:123
310149999,0cyclictest28-21ksoftirqd/223:15:172
310149999,0cyclictest28-21ksoftirqd/221:40:172
310149998,1cyclictest28-21ksoftirqd/223:54:462
310149998,1cyclictest28-21ksoftirqd/222:30:162
310149998,1cyclictest28-21ksoftirqd/221:15:222
310149998,1cyclictest28-21ksoftirqd/219:15:002
310149998,1cyclictest28-21ksoftirqd/200:15:182
310149998,0cyclictest28-21ksoftirqd/223:28:362
310149997,1cyclictest28-21ksoftirqd/221:25:152
310149997,1cyclictest28-21ksoftirqd/200:25:152
310149997,1cyclictest0-21swapper/200:05:572
310149991,6cyclictest12225-21apt23:10:002
309959999,0cyclictest9-21ksoftirqd/022:00:140
309959999,0cyclictest9-21ksoftirqd/000:35:130
309959998,1cyclictest9-21ksoftirqd/023:40:130
309959998,1cyclictest9-21ksoftirqd/023:25:150
309959998,1cyclictest9-21ksoftirqd/022:40:210
309959998,1cyclictest9-21ksoftirqd/021:00:120
309959998,1cyclictest9-21ksoftirqd/000:09:590
310309981,6cyclictest30528-21apt-get20:15:103
310309981,5cyclictest0-21swapper/323:42:433
310309981,4cyclictest24092-21diskmemload21:55:133
310309980,5cyclictest0-21swapper/322:15:103
310149988,0cyclictest28-21ksoftirqd/223:32:342
310149988,0cyclictest28-21ksoftirqd/222:57:512
310149988,0cyclictest28-21ksoftirqd/222:35:102
310149988,0cyclictest28-21ksoftirqd/222:25:132
310149987,1cyclictest28-21ksoftirqd/222:49:512
310149987,1cyclictest28-21ksoftirqd/222:40:112
310149987,1cyclictest28-21ksoftirqd/222:15:142
310149987,1cyclictest28-21ksoftirqd/221:30:142
310149987,1cyclictest28-21ksoftirqd/220:40:162
310149987,0cyclictest28-21ksoftirqd/223:47:392
310149986,1cyclictest11301-21snmpd21:21:372
310149986,1cyclictest11301-21snmpd20:28:182
310149985,2cyclictest3941-21idleruntime-cro19:20:002
310069980,8cyclictest0-21swapper/120:21:151
310069980,1cyclictest0-21swapper/100:15:121
309959988,0cyclictest9-21ksoftirqd/023:55:000
309959988,0cyclictest9-21ksoftirqd/022:35:200
309959988,0cyclictest9-21ksoftirqd/021:45:520
309959988,0cyclictest9-21ksoftirqd/000:10:250
309959988,0cyclictest9-21ksoftirqd/000:04:490
309959987,1cyclictest9-21ksoftirqd/023:50:010
309959987,1cyclictest9-21ksoftirqd/022:20:020
309959987,1cyclictest9-21ksoftirqd/021:55:150
309959987,1cyclictest9-21ksoftirqd/021:50:130
309959987,1cyclictest9-21ksoftirqd/020:50:000
309959987,1cyclictest9-21ksoftirqd/019:45:000
309959987,1cyclictest9-21ksoftirqd/019:45:000
309959987,0cyclictest9-21ksoftirqd/020:40:160
309959981,1cyclictest11812-21ssh21:35:230
309959980,4cyclictest12266-21latency_hist23:10:000
309959980,2cyclictest0-21swapper/021:30:110
309959980,1cyclictest0-21swapper/023:17:000
309959980,1cyclictest0-21swapper/020:35:100
310309976,1cyclictest35-21ksoftirqd/320:45:003
310309976,1cyclictest11301-21snmpd23:45:333
310309976,1cyclictest11301-21snmpd22:50:163
310309976,1cyclictest11301-21snmpd20:55:553
310309976,1cyclictest11301-21snmpd20:29:553
310309975,1cyclictest24092-21diskmemload23:56:203
310309975,1cyclictest24092-21diskmemload23:02:163
310309975,1cyclictest11301-21snmpd20:12:333
310309974,1cyclictest3616-21grep22:55:213
310309974,1cyclictest240-21systemd-journal19:40:003
310309973,2cyclictest24092-21diskmemload22:45:393
310309973,1cyclictest29657-21ssh23:34:363
310309973,1cyclictest24092-21diskmemload22:42:223
310309972,3cyclictest24092-21diskmemload00:20:123
310309971,3cyclictest24092-21diskmemload23:25:073
310309970,6cyclictest24092-21diskmemload21:52:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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