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2025-11-19 - 12:09
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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 Wed Nov 19, 2025 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
713322540,7sleep121-21ksoftirqd/119:05:191
83222227156,56sleep00-21swapper/019:07:410
81992218154,23sleep20-21swapper/219:06:052
82602204159,31sleep30-21swapper/319:06:513
164922600,0sleep00-21swapper/022:14:440
117482600,0sleep30-21swapper/321:22:073
859499140,13cyclictest0-21swapper/222:10:182
858599140,13cyclictest0-21swapper/123:40:151
859499119,1cyclictest28-21ksoftirqd/219:40:002
858599110,10cyclictest0-21swapper/119:35:131
857799119,1cyclictest9-21ksoftirqd/019:55:000
858599100,7cyclictest0-21swapper/122:45:161
857799108,1cyclictest9-21ksoftirqd/019:45:000
86019999,0cyclictest26341-21kworker/u8:021:55:013
86019992,4cyclictest16574-21apt-get19:25:133
86019990,4cyclictest3058-21irqstats22:40:183
85949990,8cyclictest60950irq/123-eno100:11:052
85949990,4cyclictest0-21swapper/200:15:142
85779997,1cyclictest9-21ksoftirqd/000:05:000
86019988,0cyclictest35-21ksoftirqd/321:33:183
86019986,1cyclictest35-21ksoftirqd/320:49:593
86019986,1cyclictest19110-21snmpd21:06:553
86019986,1cyclictest13793-21cat20:25:163
86019983,1cyclictest1509-21diskmemload22:19:263
86019981,7cyclictest1509-21diskmemload23:27:513
86019980,3cyclictest0-21swapper/321:53:193
85949988,0cyclictest0-21swapper/223:29:342
85949987,1cyclictest28-21ksoftirqd/223:58:552
85949987,1cyclictest28-21ksoftirqd/223:40:012
85949987,1cyclictest28-21ksoftirqd/223:24:502
85949987,1cyclictest28-21ksoftirqd/221:37:412
85949986,1cyclictest60950irq/123-eno121:20:162
85949986,1cyclictest60950irq/123-eno100:30:122
85949986,1cyclictest60950irq/123-eno100:07:402
85949986,1cyclictest60950irq/123-eno100:00:212
85949986,1cyclictest28-21ksoftirqd/222:24:242
85949986,1cyclictest24753-21ntpq23:10:272
85949985,2cyclictest8572-21cyclictest21:27:092
85949980,7cyclictest0-21swapper/200:37:442
85859980,5cyclictest0-21swapper/100:07:051
85859980,4cyclictest0-21swapper/121:40:411
85779986,1cyclictest9-21ksoftirqd/000:20:150
85779986,1cyclictest19110-21snmpd19:45:190
85779981,6cyclictest31692-21ssh22:35:160
85779980,4cyclictest31603-21perf21:05:010
85779980,2cyclictest5662-21ssh22:45:160
85779980,1cyclictest8362-21cat00:20:000
85779980,1cyclictest14566-21runrttasks00:27:420
14479284,0sleep20-21swapper/223:40:502
86019976,1cyclictest19110-21snmpd23:44:563
86019976,1cyclictest19110-21snmpd23:04:563
86019976,1cyclictest19110-21snmpd22:07:023
86019976,1cyclictest19110-21snmpd19:18:033
86019975,1cyclictest7604-21ssh21:16:003
86019975,1cyclictest19110-21snmpd23:18:553
86019975,1cyclictest19110-21snmpd20:16:273
86019975,1cyclictest18781-21ntpq20:35:203
86019973,3cyclictest12045-21/usr/sbin/munin00:25:213
86019972,2cyclictest20436-21apt-get22:20:133
86019971,3cyclictest1509-21diskmemload22:10:133
86019971,1cyclictest1509-21diskmemload00:12:143
86019970,6cyclictest10460-21cut20:20:133
86019970,2cyclictest0-21swapper/323:51:013
86019970,2cyclictest0-21swapper/323:45:453
86019970,2cyclictest0-21swapper/322:46:153
86019970,2cyclictest0-21swapper/322:04:273
86019970,2cyclictest0-21swapper/321:35:013
86019970,2cyclictest0-21swapper/300:37:393
86019970,2cyclictest0-21swapper/300:03:193
85949976,1cyclictest60950irq/123-eno123:05:152
85949976,1cyclictest60950irq/123-eno121:45:102
85949976,1cyclictest60950irq/123-eno121:31:552
85949976,1cyclictest60950irq/123-eno121:15:282
85949976,1cyclictest19110-21snmpd20:11:302
85949976,0cyclictest60950irq/123-eno123:51:172
85949976,0cyclictest60950irq/123-eno123:48:402
85949976,0cyclictest60950irq/123-eno123:31:422
85949976,0cyclictest60950irq/123-eno123:31:412
85949976,0cyclictest60950irq/123-eno122:25:022
85949975,1cyclictest60950irq/123-eno122:30:162
85949975,1cyclictest60950irq/123-eno121:55:222
85949975,1cyclictest60950irq/123-eno121:40:122
85949975,1cyclictest28-21ksoftirqd/220:45:002
85949975,1cyclictest28-21ksoftirqd/220:20:022
85949975,1cyclictest19110-21snmpd20:48:432
85949975,1cyclictest18067-21ntpq22:15:202
85949975,1cyclictest1171-21ssh21:50:532
85949972,2cyclictest28380-21apt-get19:50:132
85949970,6cyclictest0-21swapper/220:16:022
85949970,1cyclictest32594-21cat22:35:222
85949970,1cyclictest0-21swapper/219:25:142
85859970,5cyclictest0-21swapper/121:35:201
85859970,5cyclictest0-21swapper/121:33:461
85859970,4cyclictest0-21swapper/123:17:251
85859970,4cyclictest0-21swapper/122:32:441
85859970,4cyclictest0-21swapper/122:15:211
85859970,4cyclictest0-21swapper/100:30:191
85859970,3cyclictest0-21swapper/121:10:131
85859970,3cyclictest0-21swapper/100:15:371
85859970,1cyclictest0-21swapper/120:24:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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