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2026-08-26 - 14:39
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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 Aug 26, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35912220151,53sleep10-21swapper/107:09:091
36182213178,22sleep30-21swapper/307:09:303
34912209155,23sleep00-21swapper/007:07:510
34812200162,24sleep20-21swapper/207:07:442
219322740,0sleep20-21swapper/211:15:192
39742540,0sleep10-21swapper/109:20:121
91202140,0sleep20-21swapper/209:25:222
373799123,4cyclictest27135-21perf11:24:590
376499100,6cyclictest0-21swapper/307:20:213
376499100,6cyclictest0-21swapper/307:20:203
3756991010,0cyclictest0-21swapper/210:34:482
375699100,5cyclictest0-21swapper/209:15:132
373799109,1cyclictest9-21ksoftirqd/011:50:140
37569999,0cyclictest0-21swapper/211:41:362
37569997,1cyclictest28-21ksoftirqd/207:44:592
37569993,2cyclictest12785-21aten_r1power_po11:50:132
37569990,5cyclictest29015-21diskmemload10:00:202
37379990,7cyclictest18810-21munin-node07:11:310
37649988,0cyclictest0-21swapper/310:50:133
37649987,1cyclictest35-21ksoftirqd/308:20:003
37649986,1cyclictest11301-21snmpd11:44:253
37649986,1cyclictest11301-21snmpd11:19:343
37649986,1cyclictest11301-21snmpd08:35:443
37649986,1cyclictest11301-21snmpd08:31:193
37649986,1cyclictest11301-21snmpd08:22:163
37649986,1cyclictest11301-21snmpd07:46:503
37649986,1cyclictest11301-21snmpd07:10:433
37649980,2cyclictest0-21swapper/312:20:143
37569988,0cyclictest28-21ksoftirqd/211:49:362
37569986,1cyclictest61650irq/122-eno112:31:332
37569983,3cyclictest294-21systemd-udevd07:39:082
37569981,6cyclictest61650irq/122-eno111:25:572
37459984,0cyclictest0-21swapper/110:03:081
37459980,4cyclictest0-21swapper/110:35:211
37459980,2cyclictest0-21swapper/110:30:151
37379988,0cyclictest9-21ksoftirqd/008:30:120
37379987,1cyclictest693-21runrttasks09:10:110
37379986,1cyclictest11301-21snmpd11:01:550
37379986,1cyclictest11301-21snmpd08:52:230
37379986,1cyclictest11301-21snmpd08:28:160
37379986,1cyclictest11301-21snmpd07:46:470
37379981,4cyclictest693-21runrttasks12:19:530
37379981,4cyclictest3635-21apt-get10:05:120
37379980,7cyclictest6101-21munin-node11:09:210
37379980,5cyclictest0-21swapper/011:57:250
37379980,5cyclictest0-21swapper/010:25:070
37379980,4cyclictest0-21swapper/012:20:550
37379980,3cyclictest0-21swapper/007:15:110
37379980,2cyclictest0-21swapper/012:36:020
37649976,1cyclictest35-21ksoftirqd/312:15:123
37649976,1cyclictest11301-21snmpd10:07:283
37649975,1cyclictest27616-21ssh10:38:303
37649975,1cyclictest11301-21snmpd09:51:543
37649975,1cyclictest11301-21snmpd09:00:453
37649975,1cyclictest11301-21snmpd08:44:283
37649975,1cyclictest11301-21snmpd07:50:293
37649975,1cyclictest11301-21snmpd07:35:503
37649975,1cyclictest11301-21snmpd07:32:063
37649974,1cyclictest13650irq/124-ahci[0012:04:553
37649971,3cyclictest29015-21diskmemload10:30:163
37649970,6cyclictest5984-21ssh09:21:233
37649970,4cyclictest29015-21diskmemload09:19:283
37649970,2cyclictest15264-21/usr/sbin/munin10:20:153
37649970,2cyclictest0-21swapper/311:10:113
37569976,1cyclictest61650irq/122-eno112:27:452
37569976,1cyclictest61650irq/122-eno110:40:162
37569976,1cyclictest5545-21taskset10:05:442
37569976,1cyclictest25284-21ssh09:50:102
37569976,1cyclictest11301-21snmpd11:00:012
37569976,0cyclictest61650irq/122-eno112:20:272
37569976,0cyclictest61650irq/122-eno111:20:122
37569975,1cyclictest952-21cat10:45:222
37569975,1cyclictest4837-21cat07:10:162
37569975,1cyclictest26841-21chrt10:35:592
37569975,1cyclictest11301-21snmpd12:15:362
37569973,3cyclictest61650irq/122-eno108:47:302
37569971,5cyclictest29029-21basename09:10:002
37569970,4cyclictest11301-21snmpd10:52:382
37459974,0cyclictest0-21swapper/111:10:181
37459970,6cyclictest0-21swapper/112:36:051
37459970,4cyclictest0-21swapper/108:00:111
37459970,2cyclictest0-21swapper/109:45:131
37459970,1cyclictest0-21swapper/109:55:101
37459970,0cyclictest0-21swapper/107:15:131
37379976,1cyclictest8587-21ssh11:44:020
37379976,1cyclictest20011-1kworker/u9:211:27:410
37379976,1cyclictest1737-1kworker/u9:009:16:110
37379975,1cyclictest561-21nscd10:24:000
37379975,1cyclictest1747-21ntpd12:00:590
37379975,1cyclictest1747-21ntpd10:35:580
37379975,1cyclictest11301-21snmpd08:06:580
37379974,1cyclictest240-21systemd-journal09:24:070
37379973,3cyclictest17967-21df08:45:130
37379973,3cyclictest1-21systemd09:09:070
37379971,4cyclictest29015-21diskmemload10:58:260
37379971,3cyclictest25292-21apt-get09:50:100
37379971,3cyclictest18121-21apt-get09:40:120
37379970,6cyclictest16887-1kworker/u9:010:32:390
37379970,5cyclictest11301-21snmpd11:12:140
37379970,4cyclictest5960-21ssh10:54:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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