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2026-06-09 - 19:19
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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 Tue Jun 09, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319602229156,24sleep00-21swapper/007:08:330
317972211172,25sleep30-21swapper/307:06:263
320402207174,21sleep10-21swapper/107:09:351
318902201161,26sleep20-21swapper/207:07:392
100062660,0sleep00-21swapper/009:30:260
103192600,0sleep00-21swapper/008:35:180
3219699129,1cyclictest35-21ksoftirqd/307:15:003
3218299120,12cyclictest0-21swapper/212:20:532
3218299120,11cyclictest61650irq/122-eno109:22:262
32164991211,1cyclictest9-21ksoftirqd/010:45:000
3218299108,1cyclictest28-21ksoftirqd/208:35:002
3216499103,4cyclictest28767-21cat09:15:000
3216499100,5cyclictest0-21swapper/011:20:120
185842100,0sleep025255-21diskmemload12:39:430
321969997,1cyclictest1029-21snmpd11:47:153
321969990,7cyclictest25255-21diskmemload12:00:203
321969990,5cyclictest9327-21taskset10:57:553
321969990,5cyclictest17849-21kworker/u8:211:15:333
321829999,0cyclictest28-21ksoftirqd/211:54:192
321829999,0cyclictest28-21ksoftirqd/211:54:192
321829997,1cyclictest28-21ksoftirqd/207:20:002
321829991,7cyclictest2322-21munin-node12:03:412
321649993,5cyclictest30465-21chrt09:15:200
321649991,4cyclictest7732-21cat12:25:000
321649990,7cyclictest2322-21munin-node09:05:070
11636290,0sleep20-21swapper/210:16:192
321969987,1cyclictest561-21nscd11:42:513
321969986,1cyclictest6439-21cat07:20:143
321969986,1cyclictest16018-21fschecks_time12:35:163
321969986,1cyclictest1029-21snmpd11:10:213
321969986,1cyclictest1029-21snmpd09:06:503
321969984,2cyclictest240-21systemd-journal11:30:003
321969980,6cyclictest0-21swapper/312:27:103
321969980,1cyclictest0-21swapper/309:20:123
321829988,0cyclictest0-21swapper/209:33:122
321829986,1cyclictest61650irq/122-eno112:35:142
321829986,1cyclictest61650irq/122-eno110:35:222
321829986,1cyclictest61650irq/122-eno109:40:132
321829986,1cyclictest1029-21snmpd10:31:322
321829986,1cyclictest1029-21snmpd08:56:552
321829984,2cyclictest548-21systemd-logind11:30:192
321829984,2cyclictest240-21systemd-journal08:15:002
321829980,6cyclictest1029-21snmpd12:25:392
321829980,5cyclictest0-21swapper/209:15:122
321749988,0cyclictest0-21swapper/111:05:121
321749980,4cyclictest0-21swapper/112:15:001
321649987,1cyclictest7187-21ssh09:28:140
321649987,1cyclictest6738-21ssh11:39:130
321649986,1cyclictest1029-21snmpd08:54:400
321649986,1cyclictest1029-21snmpd07:29:070
321649983,2cyclictest25255-21diskmemload09:45:150
321649981,1cyclictest28763-21sed09:55:210
321649980,7cyclictest11620-21ssh12:30:070
321649980,6cyclictest0-21swapper/011:11:080
321649980,6cyclictest0-21swapper/007:35:180
321649980,5cyclictest0-21swapper/010:51:120
321649980,4cyclictest20370-21perf09:00:000
321969977,0cyclictest13074-21sensors12:30:183
321969977,0cyclictest0-21swapper/310:20:173
321969976,1cyclictest35-21ksoftirqd/311:54:193
321969976,1cyclictest35-21ksoftirqd/311:54:193
321969975,1cyclictest7689-21ssh10:10:293
321969975,1cyclictest11313-21ssh09:33:563
321969975,1cyclictest1029-21snmpd12:20:143
321969975,1cyclictest1029-21snmpd11:21:003
321969975,1cyclictest1029-21snmpd11:05:303
321969975,1cyclictest1029-21snmpd08:32:483
321969975,1cyclictest1029-21snmpd08:29:153
321969975,1cyclictest1029-21snmpd08:08:113
321969975,1cyclictest1029-21snmpd07:56:533
321969975,1cyclictest1029-21snmpd07:39:523
321969975,1cyclictest1029-21snmpd07:32:323
321969975,1cyclictest1029-21snmpd07:26:013
321969975,1cyclictest1029-21snmpd07:16:283
321969972,1cyclictest16382-21diskstats09:40:143
321969970,6cyclictest0-21swapper/310:27:423
321969970,4cyclictest0-21swapper/309:17:533
321969970,3cyclictest0-21swapper/310:16:463
321969970,2cyclictest0-21swapper/310:49:003
321829977,0cyclictest61650irq/122-eno110:23:592
321829977,0cyclictest0-21swapper/210:00:072
321829976,1cyclictest61650irq/122-eno111:04:512
321829976,1cyclictest61650irq/122-eno110:44:322
321829976,0cyclictest61650irq/122-eno109:55:312
321829975,1cyclictest61650irq/122-eno111:56:302
321829975,1cyclictest61650irq/122-eno111:35:112
321829975,1cyclictest61650irq/122-eno109:50:112
321829975,1cyclictest61650irq/122-eno109:35:122
321829975,1cyclictest4036-21missed_timers10:50:182
321829975,1cyclictest1029-21snmpd09:00:012
321829971,4cyclictest2006-21apt-get10:05:142
321829970,6cyclictest2322-21munin-node11:29:482
321829970,6cyclictest0-21swapper/212:10:162
321829970,6cyclictest0-21swapper/210:28:072
321829970,4cyclictest1029-21snmpd12:06:132
321829970,1cyclictest0-21swapper/211:24:422
321829970,1cyclictest0-21swapper/207:27:252
321749972,2cyclictest0-21swapper/109:27:171
321749970,6cyclictest0-21swapper/108:18:421
321749970,5cyclictest0-21swapper/107:37:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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