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2026-08-09 - 16:05
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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 Sun Aug 09, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227212202162,27sleep30-21swapper/307:07:313
228552201162,26sleep10-21swapper/107:09:141
226432200159,26sleep20-21swapper/207:06:292
227952199161,24sleep00-21swapper/007:08:290
251572690,0sleep30-21swapper/312:25:153
188652550,0sleep10-21swapper/109:59:261
170932550,0sleep10-21swapper/112:15:001
307542240,0sleep030756-21rm09:30:140
271362190,0sleep00-21swapper/010:10:150
165182140,1sleep335-21ksoftirqd/309:10:143
2298799132,5cyclictest13500-21/usr/sbin/munin09:05:000
23006991110,1cyclictest35-21ksoftirqd/311:50:003
23006991110,1cyclictest35-21ksoftirqd/310:20:003
2298799113,4cyclictest8555-21perf09:45:000
2299999108,1cyclictest28-21ksoftirqd/208:04:592
2298799100,7cyclictest240-21systemd-journal10:00:000
230069999,0cyclictest15863-21diskmemload10:40:003
230069998,1cyclictest35-21ksoftirqd/310:50:133
230069998,1cyclictest35-21ksoftirqd/309:55:003
230069998,1cyclictest35-21ksoftirqd/309:20:003
230069997,1cyclictest35-21ksoftirqd/309:35:003
229999997,1cyclictest28-21ksoftirqd/208:20:012
229999991,8cyclictest61650irq/122-eno111:06:102
229999990,8cyclictest769-21lldpd10:35:532
229999990,0cyclictest0-21swapper/212:15:562
229879998,1cyclictest9-21ksoftirqd/008:07:260
229879993,6cyclictest19352-21apt-config09:15:000
229879992,1cyclictest7993-21/usr/sbin/munin10:30:150
229879990,7cyclictest25089-1kworker/u9:011:00:490
230069988,0cyclictest35-21ksoftirqd/310:32:413
230069988,0cyclictest35-21ksoftirqd/310:20:133
230069987,1cyclictest35-21ksoftirqd/311:55:113
230069987,1cyclictest35-21ksoftirqd/308:40:013
230069987,1cyclictest35-21ksoftirqd/307:30:003
230069986,1cyclictest11301-21snmpd07:53:193
230069986,1cyclictest11301-21snmpd07:35:553
230069982,4cyclictest22541-21apt-get08:15:113
230069980,3cyclictest0-21swapper/309:55:143
229999987,1cyclictest28-21ksoftirqd/212:21:192
229999987,1cyclictest0-21swapper/209:45:212
229999986,1cyclictest6207-21cat09:40:182
229999986,1cyclictest61650irq/122-eno111:35:142
229999986,1cyclictest61650irq/122-eno109:25:122
229999986,1cyclictest28-21ksoftirqd/207:15:002
229999986,1cyclictest11301-21snmpd12:05:272
229999986,1cyclictest11301-21snmpd10:06:302
229999986,1cyclictest11301-21snmpd07:52:102
229959980,6cyclictest0-21swapper/112:36:161
229879986,1cyclictest11301-21snmpd12:09:150
229879986,1cyclictest11301-21snmpd11:48:350
229879986,1cyclictest11301-21snmpd10:55:220
229879985,2cyclictest7011-21ssh10:27:470
229879983,1cyclictest22538-21/usr/sbin/munin08:15:140
229879983,1cyclictest10752-21/usr/sbin/munin07:50:210
229879982,3cyclictest15863-21diskmemload11:31:060
229879981,6cyclictest7165-21sort11:15:000
229879980,8cyclictest0-21swapper/010:19:510
229879980,7cyclictest7750-21ssh12:00:170
229879980,7cyclictest24055-21ssh10:50:240
229879980,7cyclictest0-21swapper/012:15:200
229879980,4cyclictest15863-21diskmemload10:01:240
25335270,0sleep00-21swapper/008:20:130
230069977,0cyclictest35-21ksoftirqd/309:40:003
230069976,1cyclictest35-21ksoftirqd/312:20:003
230069976,1cyclictest35-21ksoftirqd/312:05:003
230069976,1cyclictest35-21ksoftirqd/311:15:003
230069976,1cyclictest35-21ksoftirqd/307:35:003
230069976,1cyclictest35-21ksoftirqd/307:25:003
230069976,1cyclictest11301-21snmpd12:33:043
230069976,1cyclictest11301-21snmpd08:27:263
230069976,1cyclictest11301-21snmpd07:48:103
230069976,0cyclictest35-21ksoftirqd/307:40:003
230069974,1cyclictest15863-21diskmemload12:21:143
230069973,2cyclictest15863-21diskmemload11:39:103
230069971,4cyclictest15863-21diskmemload10:08:453
230069970,2cyclictest0-21swapper/311:40:563
229999977,0cyclictest0-21swapper/212:25:132
229999977,0cyclictest0-21swapper/209:56:082
229999976,1cyclictest61650irq/122-eno111:00:552
229999975,1cyclictest61650irq/122-eno111:45:172
229999974,1cyclictest240-21systemd-journal11:00:002
229999974,1cyclictest240-21systemd-journal09:25:002
229999973,3cyclictest18131-21chrt11:30:072
229999971,3cyclictest28628-21apt-get07:20:112
229999971,2cyclictest13817-21apt-get12:10:112
229999970,6cyclictest0-21swapper/211:27:522
229999970,4cyclictest30177-21cpuspeed_turbos10:15:142
229999970,1cyclictest0-21swapper/210:45:122
229959974,0cyclictest0-21swapper/111:16:261
229959971,4cyclictest203-21jbd2/sda2-808:11:311
229959971,3cyclictest0-21swapper/108:30:201
229959971,1cyclictest0-21swapper/108:25:151
229959970,6cyclictest0-21swapper/108:05:131
229959970,4cyclictest0-21swapper/109:54:101
229959970,4cyclictest0-21swapper/109:30:131
229959970,3cyclictest0-21swapper/112:04:251
229959970,1cyclictest0-21swapper/107:50:461
229959970,1cyclictest0-21swapper/107:30:581
229879976,1cyclictest8948-21ssh09:45:140
229879976,1cyclictest21600-1kworker/u9:010:05:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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