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2026-08-29 - 19:52
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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 Sat Aug 29, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102082216150,52sleep20-21swapper/207:09:322
102172204151,41sleep10-21swapper/107:09:391
100272200150,24sleep00-21swapper/007:07:080
100902198160,25sleep30-21swapper/307:08:003
212032740,0sleep00-21swapper/009:35:150
148322210,0sleep10-21swapper/110:10:281
92312180,1sleep39218-21cron08:15:013
29552180,0sleep10-21swapper/109:55:141
138492160,0sleep00-21swapper/010:55:210
271212150,0sleep00-21swapper/012:00:330
143002140,0sleep10-21swapper/107:15:151
10318991414,0cyclictest9-21ksoftirqd/010:35:160
10327991311,1cyclictest28-21ksoftirqd/208:50:002
1031999131,8cyclictest0-21swapper/112:05:111
10318991311,1cyclictest9-21ksoftirqd/012:35:000
1031899123,5cyclictest30255-21perf10:34:590
10318991210,1cyclictest9-21ksoftirqd/010:50:210
10318991210,1cyclictest9-21ksoftirqd/007:30:000
1031899121,10cyclictest9386-21latency_hist10:05:000
10329991110,0cyclictest35-21ksoftirqd/310:05:013
10327991110,1cyclictest28-21ksoftirqd/211:55:012
1031899119,1cyclictest9-21ksoftirqd/010:50:000
1031899119,1cyclictest9-21ksoftirqd/009:40:110
1031899119,1cyclictest9-21ksoftirqd/007:40:000
1031899112,4cyclictest10069-21wc09:20:000
10318991110,1cyclictest9-21ksoftirqd/010:45:000
1032999108,1cyclictest2979-21diskmemload09:28:303
1032999100,7cyclictest0-21swapper/312:30:543
1032799109,1cyclictest28-21ksoftirqd/212:25:162
1032799109,1cyclictest28-21ksoftirqd/209:30:162
1032799100,9cyclictest61650irq/122-eno110:58:142
1031899109,1cyclictest9-21ksoftirqd/011:40:000
1031899109,1cyclictest9-21ksoftirqd/011:10:000
1031899108,1cyclictest9-21ksoftirqd/011:30:250
1031899108,1cyclictest9-21ksoftirqd/008:40:000
1031899108,1cyclictest9-21ksoftirqd/007:25:000
1031899108,1cyclictest9-21ksoftirqd/007:15:000
1031899107,2cyclictest9-21ksoftirqd/008:10:000
1031899106,1cyclictest240-21systemd-journal09:27:080
29730290,1sleep10-21swapper/110:33:281
103299998,1cyclictest35-21ksoftirqd/311:55:003
103279998,1cyclictest28-21ksoftirqd/210:50:002
103279998,1cyclictest28-21ksoftirqd/208:55:012
103279998,1cyclictest28-21ksoftirqd/208:25:012
103279998,0cyclictest28-21ksoftirqd/209:50:142
103279996,1cyclictest61650irq/122-eno109:40:002
103279990,9cyclictest61650irq/122-eno112:11:462
103279990,8cyclictest61650irq/122-eno111:36:592
103189998,1cyclictest9-21ksoftirqd/012:10:120
103189997,1cyclictest9-21ksoftirqd/012:35:140
103189997,1cyclictest9-21ksoftirqd/009:55:000
103189993,5cyclictest26777-21cat10:30:000
103189992,6cyclictest30663-21latency_hist09:00:000
103189991,7cyclictest15497-21sh10:12:380
103189991,4cyclictest2979-21diskmemload11:55:140
103299988,0cyclictest35-21ksoftirqd/310:35:353
103299988,0cyclictest35-21ksoftirqd/310:25:003
103299987,1cyclictest35-21ksoftirqd/309:20:003
103299986,1cyclictest11301-21snmpd12:18:493
103299986,1cyclictest11301-21snmpd11:37:473
103299986,1cyclictest11301-21snmpd11:32:233
103299986,1cyclictest11301-21snmpd09:46:083
103299986,1cyclictest11301-21snmpd09:35:443
103299986,1cyclictest11301-21snmpd09:24:103
103299986,1cyclictest11301-21snmpd08:32:383
103299986,1cyclictest11301-21snmpd08:08:493
103299986,1cyclictest11301-21snmpd07:51:223
103299984,2cyclictest240-21systemd-journal10:00:003
103299980,7cyclictest11301-21snmpd10:11:053
103299980,5cyclictest0-21swapper/312:07:253
103279988,0cyclictest28-21ksoftirqd/210:30:132
103279987,1cyclictest28-21ksoftirqd/212:25:002
103279987,1cyclictest28-21ksoftirqd/210:15:192
103279987,1cyclictest28-21ksoftirqd/210:15:192
103279987,1cyclictest28-21ksoftirqd/209:10:002
103279986,1cyclictest28-21ksoftirqd/208:20:002
103279986,1cyclictest11301-21snmpd08:03:282
103279984,2cyclictest548-21systemd-logind07:15:002
103279981,6cyclictest3243-21apt-get09:10:112
103279980,5cyclictest15016-21rm11:45:132
103199980,5cyclictest0-21swapper/110:25:391
103189987,1cyclictest9-21ksoftirqd/009:25:000
103189987,1cyclictest9-21ksoftirqd/009:10:140
103189987,1cyclictest9-21ksoftirqd/009:05:000
103189986,1cyclictest9-21ksoftirqd/011:10:160
103189986,1cyclictest11301-21snmpd09:48:180
103189983,1cyclictest20050-21/usr/sbin/munin10:20:180
103189980,7cyclictest19823-21ssh09:32:100
26540270,1sleep20-21swapper/209:41:182
19874270,1sleep20-21swapper/212:37:572
103299976,1cyclictest11301-21snmpd10:30:123
103299976,1cyclictest11301-21snmpd09:12:403
103299976,1cyclictest0-21swapper/310:40:183
103299975,1cyclictest5240-21ssh10:45:083
103299975,1cyclictest35-21ksoftirqd/307:15:003
103299975,1cyclictest27546-21ssh09:44:343
103299975,1cyclictest11301-21snmpd11:05:313
103299975,1cyclictest11301-21snmpd10:55:113
103299975,1cyclictest11301-21snmpd08:25:243
103299975,1cyclictest11301-21snmpd07:43:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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