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2026-03-14 - 05:07
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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 Sat Mar 14, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119212215149,23sleep20-21swapper/219:09:362
118982203149,20sleep10-21swapper/119:09:181
118052200161,25sleep00-21swapper/019:08:050
116022199160,26sleep30-21swapper/319:05:263
310542720,0sleep10-21swapper/120:55:151
71442710,0sleep20-21swapper/223:56:382
210222670,0sleep10-21swapper/123:33:541
110282190,0sleep00-21swapper/000:01:370
25302180,1sleep22490-21gltestperf19:55:162
169882180,0sleep00-21swapper/023:28:290
12056991814,1cyclictest28-21ksoftirqd/223:34:152
1204699160,0cyclictest0-21swapper/021:55:100
12056991514,1cyclictest28-21ksoftirqd/221:39:302
12048991515,0cyclictest0-21swapper/122:37:491
12056991313,0cyclictest28-21ksoftirqd/222:34:072
12056991311,1cyclictest28-21ksoftirqd/220:40:002
1204899130,12cyclictest0-21swapper/119:25:111
12056991210,1cyclictest28-21ksoftirqd/223:40:152
12056991210,1cyclictest28-21ksoftirqd/223:15:002
12056991210,1cyclictest28-21ksoftirqd/222:20:002
12061991111,0cyclictest35-21ksoftirqd/323:04:593
1205699119,1cyclictest28-21ksoftirqd/223:50:142
1205699119,1cyclictest28-21ksoftirqd/219:50:002
1205699119,1cyclictest28-21ksoftirqd/200:00:192
12056991110,1cyclictest61650irq/122-eno121:25:132
12056991110,1cyclictest28-21ksoftirqd/222:20:142
12056991110,1cyclictest28-21ksoftirqd/221:45:162
12056991110,1cyclictest28-21ksoftirqd/200:35:182
12056991110,1cyclictest28-21ksoftirqd/200:19:362
1204699112,5cyclictest27643-21wc22:20:000
1204699111,5cyclictest19828-21date19:25:000
1206199109,1cyclictest35-21ksoftirqd/323:20:013
1206199100,8cyclictest14593-21munin-node19:23:233
1205699109,1cyclictest28-21ksoftirqd/221:30:182
1205699109,1cyclictest28-21ksoftirqd/221:15:172
1205699109,1cyclictest28-21ksoftirqd/221:10:002
1205699109,1cyclictest28-21ksoftirqd/220:35:002
1205699100,4cyclictest0-21swapper/200:30:102
1204699109,1cyclictest9-21ksoftirqd/020:35:000
1204699108,1cyclictest9-21ksoftirqd/019:45:000
1204699103,4cyclictest13725-21perf23:25:000
1204699102,4cyclictest32503-21ls21:00:000
1204699102,4cyclictest24534-21perf19:35:000
120619999,0cyclictest35-21ksoftirqd/321:50:123
120619998,1cyclictest35-21ksoftirqd/323:25:203
120619998,1cyclictest35-21ksoftirqd/322:50:133
120619998,1cyclictest35-21ksoftirqd/300:00:133
120569999,0cyclictest28-21ksoftirqd/221:22:002
120569999,0cyclictest228771/usr/sbin/munin22:55:162
120569999,0cyclictest0-21swapper/200:24:112
120569998,1cyclictest28-21ksoftirqd/223:06:312
120569998,1cyclictest28-21ksoftirqd/222:50:132
120569998,1cyclictest28-21ksoftirqd/222:45:152
120569998,1cyclictest28-21ksoftirqd/220:30:002
120569997,1cyclictest28-21ksoftirqd/223:00:112
120569990,9cyclictest0-21swapper/221:50:362
120569990,1cyclictest4723-21diskmemload22:35:192
120469992,6cyclictest16983-21/usr/sbin/munin21:25:200
120469991,4cyclictest23027-21cat20:40:000
120619988,0cyclictest35-21ksoftirqd/323:05:193
120619987,1cyclictest35-21ksoftirqd/322:45:233
120619987,1cyclictest35-21ksoftirqd/322:00:133
120619987,1cyclictest35-21ksoftirqd/321:50:003
120619987,1cyclictest35-21ksoftirqd/321:40:133
120619987,1cyclictest35-21ksoftirqd/319:40:133
120619987,1cyclictest35-21ksoftirqd/319:15:023
120619987,1cyclictest35-21ksoftirqd/319:10:103
120619986,1cyclictest8031-21cat22:35:153
120619986,1cyclictest707-21snmpd20:12:343
120619986,1cyclictest707-21snmpd20:05:553
120619986,1cyclictest707-21snmpd19:27:143
120619986,1cyclictest707-21snmpd00:28:453
120619986,1cyclictest35-21ksoftirqd/322:20:163
120619986,1cyclictest35-21ksoftirqd/320:59:203
120619980,4cyclictest0-21swapper/321:55:103
120569988,0cyclictest28-21ksoftirqd/221:40:102
120569988,0cyclictest28-21ksoftirqd/220:20:132
120569988,0cyclictest28-21ksoftirqd/219:15:012
120569987,1cyclictest28-21ksoftirqd/223:45:192
120569987,1cyclictest28-21ksoftirqd/223:28:132
120569987,1cyclictest28-21ksoftirqd/222:25:112
120569987,1cyclictest28-21ksoftirqd/222:03:522
120569987,1cyclictest28-21ksoftirqd/219:25:172
120569987,1cyclictest28-21ksoftirqd/200:28:322
120569987,1cyclictest28-21ksoftirqd/200:06:002
120569986,1cyclictest28-21ksoftirqd/221:10:532
120569986,1cyclictest28-21ksoftirqd/220:45:012
120569986,1cyclictest28-21ksoftirqd/219:30:102
120569986,1cyclictest28-21ksoftirqd/219:14:592
120569986,1cyclictest15983-21sh22:05:042
120569981,1cyclictest0-21swapper/223:23:252
120489980,2cyclictest0-21swapper/119:10:111
120469986,1cyclictest707-21snmpd22:35:060
120469986,1cyclictest490-21ntpq22:25:180
120469984,2cyclictest240-21systemd-journal23:55:000
120469983,4cyclictest27281-21ssh23:00:110
120469982,3cyclictest11938-21apt-get22:00:120
120469982,1cyclictest20015-21/usr/sbin/munin19:25:120
120469981,6cyclictest4947-21ssh21:10:030
120469981,5cyclictest0-21swapper/023:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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