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2026-04-10 - 22:45
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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 Fri Apr 10, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7932214149,21sleep00-21swapper/007:08:010
8952207174,21sleep10-21swapper/107:09:191
7762203141,21sleep30-21swapper/307:07:483
8962201161,26sleep20-21swapper/207:09:202
100172640,0sleep30-21swapper/312:19:103
146472590,0sleep30-21swapper/310:18:233
321292150,0sleep30-21swapper/311:23:483
279872140,0sleep10-21swapper/112:00:101
1050991413,1cyclictest0-21swapper/210:20:122
1033991413,1cyclictest9-21ksoftirqd/007:15:010
1033991412,1cyclictest9-21ksoftirqd/010:25:010
1058991311,1cyclictest35-21ksoftirqd/308:45:003
105099130,12cyclictest25237-21/usr/sbin/munin11:15:162
82752120,0sleep30-21swapper/308:30:153
1058991210,1cyclictest26300-21diskmemload11:25:323
1050991211,1cyclictest28-21ksoftirqd/212:40:002
1050991211,1cyclictest28-21ksoftirqd/207:50:012
1050991211,1cyclictest28-21ksoftirqd/207:40:002
1050991211,1cyclictest28-21ksoftirqd/207:40:002
105099120,11cyclictest0-21swapper/211:20:132
1058991111,0cyclictest35-21ksoftirqd/310:40:003
103399119,1cyclictest9-21ksoftirqd/011:15:210
1033991111,0cyclictest9-21ksoftirqd/012:30:000
1033991110,1cyclictest9-21ksoftirqd/011:45:130
105899100,6cyclictest3417-21munin-node07:51:083
105099109,1cyclictest28-21ksoftirqd/211:50:002
105099106,2cyclictest693-21runrttasks10:07:522
105099100,9cyclictest26300-21diskmemload10:25:182
105099100,8cyclictest19105-21kworker/u8:211:52:112
103399109,1cyclictest9-21ksoftirqd/011:55:000
103399108,1cyclictest9-21ksoftirqd/011:50:140
103399108,1cyclictest9-21ksoftirqd/009:20:000
103399108,1cyclictest9-21ksoftirqd/007:25:000
103399103,4cyclictest26726-21latency_hist10:35:000
103399103,4cyclictest26726-21latency_hist10:35:000
28373290,0sleep00-21swapper/009:10:320
10589998,1cyclictest35-21ksoftirqd/309:05:003
10589997,1cyclictest35-21ksoftirqd/308:20:003
10589997,1cyclictest26300-21diskmemload09:20:063
10589990,4cyclictest26300-21diskmemload11:51:513
10589990,2cyclictest0-21swapper/309:10:103
10509998,1cyclictest28-21ksoftirqd/210:49:592
10509998,1cyclictest28-21ksoftirqd/209:20:012
10509998,1cyclictest28-21ksoftirqd/208:59:592
10509998,1cyclictest28-21ksoftirqd/208:20:002
10509997,1cyclictest28-21ksoftirqd/209:40:002
10339998,1cyclictest9-21ksoftirqd/011:40:140
10339998,1cyclictest9-21ksoftirqd/010:30:000
10339998,1cyclictest9-21ksoftirqd/010:05:190
10339998,1cyclictest9-21ksoftirqd/009:45:010
10339997,1cyclictest9-21ksoftirqd/012:00:110
10339997,1cyclictest9-21ksoftirqd/010:50:120
10339997,1cyclictest9-21ksoftirqd/010:45:130
24985280,1sleep3341rcuc/311:55:163
10589987,1cyclictest35-21ksoftirqd/308:46:133
10589982,2cyclictest31015-21aten_r1power_cu10:40:123
10589980,5cyclictest0-21swapper/309:25:143
10589980,1cyclictest240-21systemd-journal10:30:003
10589980,1cyclictest0-21swapper/309:15:123
10509987,1cyclictest28-21ksoftirqd/210:00:522
10509986,2cyclictest12428-21aten_r1power_en08:40:112
10509986,1cyclictest61650irq/122-eno111:55:012
10509986,1cyclictest61650irq/122-eno110:40:122
10509986,1cyclictest61650irq/122-eno109:10:132
10509986,1cyclictest28-21ksoftirqd/211:05:002
10509986,1cyclictest28-21ksoftirqd/210:10:122
10509982,5cyclictest561-21nscd10:39:152
10509980,7cyclictest2792-21/usr/sbin/munin12:10:152
10509980,7cyclictest0-21swapper/210:55:162
10439986,0cyclictest0-21swapper/107:20:191
10339987,1cyclictest9-21ksoftirqd/011:35:000
10339987,1cyclictest9-21ksoftirqd/011:05:130
10339987,1cyclictest9-21ksoftirqd/010:35:150
10339987,1cyclictest9-21ksoftirqd/009:45:130
10339987,1cyclictest9-21ksoftirqd/008:45:130
10339983,1cyclictest7904-21/usr/sbin/munin10:10:160
10339981,3cyclictest0-21swapper/008:10:010
10339980,7cyclictest8014-21ntp_states12:15:160
10339980,7cyclictest6536-21cut09:25:140
9369270,1sleep10-21swapper/109:29:481
26000270,0sleep30-21swapper/310:33:103
26000270,0sleep30-21swapper/310:33:103
25618270,0sleep10-21swapper/110:32:091
25618270,0sleep10-21swapper/110:32:081
10589977,0cyclictest35-21ksoftirqd/312:30:003
10589977,0cyclictest0-21swapper/311:04:313
10589976,1cyclictest35-21ksoftirqd/311:40:123
10589976,1cyclictest35-21ksoftirqd/309:30:013
10589976,1cyclictest35-21ksoftirqd/309:10:003
10589976,1cyclictest11207-21ntpq10:55:193
10589975,1cyclictest17141-21timerwakeupswit10:20:193
10589974,1cyclictest240-21systemd-journal08:37:453
10589973,3cyclictest2216-21sh10:00:413
10589973,1cyclictest26300-21diskmemload12:07:173
10589972,3cyclictest30095-21nscd07:35:143
10589972,3cyclictest30095-21nscd07:35:133
10589971,2cyclictest19991-21ssh09:42:273
10509976,1cyclictest61650irq/122-eno112:15:002
10509976,1cyclictest61650irq/122-eno111:35:182
10509976,1cyclictest61650irq/122-eno111:10:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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