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2025-12-29 - 06:44
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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 Mon Dec 29, 2025 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306842234161,26sleep30-21swapper/319:09:203
306532211172,25sleep20-21swapper/219:08:542
304902202162,26sleep10-21swapper/119:06:481
305472201161,26sleep00-21swapper/019:07:320
30836991513,1cyclictest28-21ksoftirqd/222:50:092
30836991312,0cyclictest22050-21apt-get00:30:132
30836991311,1cyclictest28-21ksoftirqd/200:40:002
30836991210,1cyclictest28-21ksoftirqd/221:20:002
3084499119,1cyclictest35-21ksoftirqd/323:00:193
30844991110,1cyclictest35-21ksoftirqd/319:25:013
3083699119,1cyclictest28-21ksoftirqd/200:20:012
105162110,0sleep00-21swapper/020:40:150
3084499109,1cyclictest35-21ksoftirqd/323:30:003
30844991010,0cyclictest35-21ksoftirqd/320:00:003
3084499100,7cyclictest8463-21hddtemp_smartct00:00:153
3083699108,1cyclictest28-21ksoftirqd/223:10:012
3083699108,1cyclictest28-21ksoftirqd/223:10:012
3083699100,5cyclictest0-21swapper/220:50:102
3082699109,1cyclictest9-21ksoftirqd/023:10:010
3082699109,1cyclictest9-21ksoftirqd/023:10:010
3082699107,1cyclictest9-21ksoftirqd/021:35:000
308449998,1cyclictest35-21ksoftirqd/321:10:013
308449998,0cyclictest35-21ksoftirqd/322:50:113
308369999,0cyclictest0-21swapper/221:33:172
308369997,1cyclictest28-21ksoftirqd/223:20:012
308369997,1cyclictest28-21ksoftirqd/221:10:012
308369997,1cyclictest28-21ksoftirqd/220:40:002
308369997,1cyclictest28-21ksoftirqd/220:35:002
308369997,1cyclictest28-21ksoftirqd/200:00:142
308299990,4cyclictest0-21swapper/122:40:121
308269997,1cyclictest9-21ksoftirqd/023:15:010
308269997,1cyclictest9-21ksoftirqd/022:44:590
308269991,4cyclictest14818-21latency_hist22:00:000
308449988,0cyclictest35-21ksoftirqd/321:50:123
308449987,1cyclictest35-21ksoftirqd/323:30:173
308449987,1cyclictest35-21ksoftirqd/323:20:003
308449987,1cyclictest35-21ksoftirqd/319:40:163
308449986,1cyclictest707-21snmpd22:15:453
308449986,1cyclictest707-21snmpd20:48:593
308449986,1cyclictest707-21snmpd20:04:143
308449980,3cyclictest0-21swapper/323:10:133
308369988,0cyclictest0-21swapper/222:39:422
308369987,1cyclictest28-21ksoftirqd/222:05:142
308369987,1cyclictest28-21ksoftirqd/222:05:142
308369987,1cyclictest28-21ksoftirqd/221:00:162
308369986,1cyclictest707-21snmpd22:23:062
308369986,1cyclictest28-21ksoftirqd/221:35:142
308299980,6cyclictest0-21swapper/123:25:121
308299980,4cyclictest0-21swapper/122:50:091
308269986,1cyclictest9-21ksoftirqd/000:20:010
308269986,1cyclictest707-21snmpd21:44:410
308269986,1cyclictest707-21snmpd20:53:000
308269986,1cyclictest707-21snmpd20:49:390
308269986,1cyclictest707-21snmpd20:23:140
308269984,4cyclictest749-21munin-node23:58:170
308269980,7cyclictest0-21swapper/019:20:110
308269980,4cyclictest1272-21apt-get22:39:590
308449977,0cyclictest35-21ksoftirqd/323:55:143
308449976,1cyclictest9810-21cat19:30:143
308449976,1cyclictest707-21snmpd21:28:523
308449976,1cyclictest707-21snmpd21:00:063
308449976,1cyclictest707-21snmpd19:47:403
308449976,1cyclictest35-21ksoftirqd/323:54:593
308449976,1cyclictest35-21ksoftirqd/322:40:003
308449976,1cyclictest35-21ksoftirqd/322:30:133
308449976,1cyclictest35-21ksoftirqd/322:20:133
308449976,1cyclictest35-21ksoftirqd/322:00:153
308449976,1cyclictest35-21ksoftirqd/321:25:003
308449976,1cyclictest35-21ksoftirqd/321:10:163
308449976,1cyclictest35-21ksoftirqd/320:35:003
308449976,1cyclictest35-21ksoftirqd/320:15:013
308449976,1cyclictest31037-21cat20:15:183
308449975,1cyclictest707-21snmpd23:37:563
308449975,1cyclictest707-21snmpd22:48:283
308449975,1cyclictest707-21snmpd21:42:443
308449975,1cyclictest707-21snmpd21:30:553
308449975,1cyclictest707-21snmpd00:25:183
308449975,1cyclictest707-21snmpd00:15:183
308449970,1cyclictest14455-21apt-get20:50:093
308369977,0cyclictest28-21ksoftirqd/219:20:012
308369976,1cyclictest61650irq/122-eno122:40:002
308369976,1cyclictest61650irq/122-eno119:40:142
308369976,1cyclictest61650irq/122-eno119:10:182
308369976,1cyclictest28-21ksoftirqd/220:55:132
308369976,1cyclictest28-21ksoftirqd/219:55:002
308369976,1cyclictest28-21ksoftirqd/219:25:132
308369975,1cyclictest707-21snmpd21:52:592
308369975,1cyclictest28-21ksoftirqd/223:45:172
308369975,1cyclictest28-21ksoftirqd/223:40:152
308369975,1cyclictest28-21ksoftirqd/223:30:002
308369975,1cyclictest28-21ksoftirqd/223:00:182
308369975,1cyclictest28-21ksoftirqd/220:15:202
308369975,1cyclictest28-21ksoftirqd/200:20:142
308369975,1cyclictest10063-21ntpq19:30:172
308369973,2cyclictest240-21systemd-journal22:55:012
308369970,2cyclictest0-21swapper/223:35:112
308299970,6cyclictest0-21swapper/121:15:141
308299970,1cyclictest0-21swapper/119:45:121
308299970,1cyclictest0-21swapper/100:08:591
308269976,1cyclictest707-21snmpd19:29:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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