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2026-07-07 - 20:44
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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 Jul 07, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97102211150,22sleep30-21swapper/307:07:433
98142208158,24sleep00-21swapper/007:09:050
96742205165,25sleep20-21swapper/207:07:152
96782196159,24sleep10-21swapper/107:07:181
998199230,23cyclictest0-21swapper/010:10:120
10001991717,0cyclictest35-21ksoftirqd/309:19:253
10001991616,0cyclictest35-21ksoftirqd/312:28:073
10001991616,0cyclictest35-21ksoftirqd/310:40:533
10001991616,0cyclictest35-21ksoftirqd/309:32:093
1000199158,7cyclictest35-21ksoftirqd/311:02:373
10001991515,0cyclictest35-21ksoftirqd/312:34:083
10001991515,0cyclictest35-21ksoftirqd/309:57:303
10001991515,0cyclictest35-21ksoftirqd/309:52:493
10001991515,0cyclictest35-21ksoftirqd/309:24:143
10001991414,0cyclictest35-21ksoftirqd/312:37:033
10001991414,0cyclictest35-21ksoftirqd/312:17:393
10001991414,0cyclictest35-21ksoftirqd/311:57:303
10001991414,0cyclictest35-21ksoftirqd/310:48:253
10001991414,0cyclictest35-21ksoftirqd/309:28:233
998399130,12cyclictest0-21swapper/109:05:191
998199130,12cyclictest26270-21sh09:40:110
998199130,12cyclictest0-21swapper/008:35:160
101632130,0sleep20-21swapper/208:15:112
10001991313,0cyclictest35-21ksoftirqd/311:53:383
10001991313,0cyclictest35-21ksoftirqd/311:28:213
10001991313,0cyclictest35-21ksoftirqd/311:15:153
10001991313,0cyclictest35-21ksoftirqd/311:14:533
10001991313,0cyclictest35-21ksoftirqd/310:35:133
10001991313,0cyclictest35-21ksoftirqd/309:48:403
10001991312,1cyclictest35-21ksoftirqd/312:10:003
10001991312,1cyclictest35-21ksoftirqd/308:00:003
10001991311,1cyclictest13880-21grep08:20:233
999399120,11cyclictest0-21swapper/210:28:262
9981991211,1cyclictest9-21ksoftirqd/011:29:590
10001991212,0cyclictest35-21ksoftirqd/312:01:153
10001991212,0cyclictest35-21ksoftirqd/312:01:143
10001991212,0cyclictest35-21ksoftirqd/311:48:513
10001991212,0cyclictest35-21ksoftirqd/310:22:153
10001991212,0cyclictest35-21ksoftirqd/310:01:293
10001991212,0cyclictest35-21ksoftirqd/309:40:203
10001991212,0cyclictest35-21ksoftirqd/308:41:033
10001991211,1cyclictest35-21ksoftirqd/311:45:003
10001991211,1cyclictest35-21ksoftirqd/309:37:043
10001991211,1cyclictest35-21ksoftirqd/309:10:003
10001991210,2cyclictest35-21ksoftirqd/311:25:003
10001991210,1cyclictest35-21ksoftirqd/309:15:013
10001991210,1cyclictest35-21ksoftirqd/308:35:013
9981991110,1cyclictest9-21ksoftirqd/009:55:010
1000199119,1cyclictest35-21ksoftirqd/310:27:253
1000199119,1cyclictest35-21ksoftirqd/308:59:593
1000199119,1cyclictest35-21ksoftirqd/307:10:153
10001991111,0cyclictest35-21ksoftirqd/312:15:003
10001991111,0cyclictest35-21ksoftirqd/311:32:323
10001991110,1cyclictest35-21ksoftirqd/312:20:163
10001991110,1cyclictest35-21ksoftirqd/311:05:143
10001991110,1cyclictest35-21ksoftirqd/310:55:213
10001991110,1cyclictest35-21ksoftirqd/310:52:553
10001991110,1cyclictest35-21ksoftirqd/310:30:113
10001991110,1cyclictest35-21ksoftirqd/310:15:173
10001991110,1cyclictest35-21ksoftirqd/310:14:143
10001991110,1cyclictest35-21ksoftirqd/310:05:123
10001991110,1cyclictest35-21ksoftirqd/310:05:113
10001991110,1cyclictest35-21ksoftirqd/309:00:183
10001991110,1cyclictest35-21ksoftirqd/308:55:003
10001991110,1cyclictest35-21ksoftirqd/307:25:113
10001991110,1cyclictest35-21ksoftirqd/307:15:013
999399101,8cyclictest15412-21taskset07:15:552
998199108,1cyclictest9-21ksoftirqd/011:00:000
998199108,1cyclictest9-21ksoftirqd/007:15:010
998199100,5cyclictest11750-21latency_hist10:05:000
1000199109,1cyclictest35-21ksoftirqd/308:45:143
1000199109,1cyclictest35-21ksoftirqd/308:35:013
1000199109,1cyclictest35-21ksoftirqd/308:25:153
1000199109,1cyclictest35-21ksoftirqd/308:05:143
1000199109,1cyclictest35-21ksoftirqd/307:50:113
1000199109,1cyclictest35-21ksoftirqd/307:49:593
1000199109,1cyclictest35-21ksoftirqd/307:35:013
1000199108,1cyclictest35-21ksoftirqd/308:15:123
1000199108,1cyclictest35-21ksoftirqd/308:10:123
1000199108,1cyclictest35-21ksoftirqd/307:40:143
10001991010,0cyclictest35-21ksoftirqd/311:35:113
99939991,7cyclictest61650irq/122-eno112:30:212
99939990,9cyclictest0-21swapper/211:47:092
99839990,3cyclictest0-21swapper/110:50:111
99839990,2cyclictest0-21swapper/111:00:161
99819999,0cyclictest9-21ksoftirqd/009:33:020
99819998,1cyclictest9-21ksoftirqd/009:45:010
99819995,3cyclictest26588-21/usr/sbin/munin10:25:140
99819993,5cyclictest1596-21/usr/sbin/munin10:35:200
99819991,6cyclictest3624-21diskmemload11:57:490
99819990,3cyclictest5773-21apt-get12:10:110
100019998,1cyclictest35-21ksoftirqd/308:00:133
100019998,1cyclictest35-21ksoftirqd/307:30:013
100019998,1cyclictest35-21ksoftirqd/307:30:003
100019998,1cyclictest35-21ksoftirqd/307:20:183
99939986,1cyclictest693-21runrttasks12:39:352
99939986,1cyclictest61650irq/122-eno110:35:212
99939986,1cyclictest61650irq/122-eno108:35:012
99939985,2cyclictest15556-21ssh12:21:492
99939984,1cyclictest548-21systemd-logind09:32:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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