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2026-03-17 - 22:54
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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 Mar 17, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42422213178,23sleep30-21swapper/307:06:063
44932206142,21sleep00-21swapper/007:09:200
44742201163,25sleep10-21swapper/107:09:061
43712198157,26sleep20-21swapper/207:07:452
291192740,1sleep121-21ksoftirqd/112:35:141
287332610,0sleep20-21swapper/209:48:342
97252590,0sleep20-21swapper/210:46:132
53392170,0sleep20-21swapper/207:10:152
4637991615,1cyclictest9-21ksoftirqd/010:10:160
241232160,1sleep324130-21missed_timers11:05:163
4648991412,1cyclictest28-21ksoftirqd/207:20:012
4637991414,0cyclictest9-21ksoftirqd/010:21:360
4637991414,0cyclictest9-21ksoftirqd/009:57:260
4637991413,0cyclictest9-21ksoftirqd/012:30:430
463799137,6cyclictest9-21ksoftirqd/011:40:180
4637991313,0cyclictest9-21ksoftirqd/012:10:130
4637991313,0cyclictest9-21ksoftirqd/011:46:450
4637991313,0cyclictest9-21ksoftirqd/011:31:290
4637991313,0cyclictest9-21ksoftirqd/011:05:040
4637991313,0cyclictest9-21ksoftirqd/010:45:520
4637991313,0cyclictest9-21ksoftirqd/010:06:580
4637991313,0cyclictest9-21ksoftirqd/009:46:490
4637991312,1cyclictest9-21ksoftirqd/011:50:580
4637991312,1cyclictest9-21ksoftirqd/010:00:500
463799124,8cyclictest9-21ksoftirqd/010:26:290
463799123,8cyclictest9-21ksoftirqd/010:53:150
463799123,8cyclictest9-21ksoftirqd/010:35:020
4637991212,0cyclictest9-21ksoftirqd/012:27:360
4637991212,0cyclictest9-21ksoftirqd/012:21:350
4637991212,0cyclictest9-21ksoftirqd/012:04:240
4637991212,0cyclictest9-21ksoftirqd/009:36:350
145402120,0sleep30-21swapper/311:35:123
465799110,10cyclictest29121-21/usr/sbin/munin08:00:193
463799114,7cyclictest9-21ksoftirqd/011:22:180
463799114,7cyclictest9-21ksoftirqd/011:10:130
463799114,7cyclictest9-21ksoftirqd/010:56:380
463799114,7cyclictest9-21ksoftirqd/009:50:270
463799114,6cyclictest6978-21munin-run07:15:000
463799113,7cyclictest9-21ksoftirqd/012:17:370
463799113,7cyclictest9-21ksoftirqd/011:58:070
463799113,7cyclictest9-21ksoftirqd/011:01:040
4637991111,0cyclictest9-21ksoftirqd/011:39:110
4637991111,0cyclictest9-21ksoftirqd/010:31:150
4637991111,0cyclictest9-21ksoftirqd/009:20:080
464899106,3cyclictest61650irq/122-eno110:52:332
464899100,7cyclictest1-21systemd11:32:082
463799109,1cyclictest9-21ksoftirqd/008:40:180
463799109,1cyclictest9-21ksoftirqd/008:35:100
463799109,1cyclictest9-21ksoftirqd/007:30:110
463799107,2cyclictest13740-21ntpq07:25:180
463799104,6cyclictest9-21ksoftirqd/011:27:520
463799103,7cyclictest9-21ksoftirqd/012:38:320
463799103,7cyclictest9-21ksoftirqd/012:06:460
463799102,4cyclictest25036-21perf09:00:010
463799102,4cyclictest12436-21perf07:25:010
4637991010,0cyclictest9-21ksoftirqd/009:31:550
463799101,8cyclictest3690-21/usr/sbin/munin10:40:140
46579998,1cyclictest35-21ksoftirqd/312:05:013
46489999,0cyclictest0-21swapper/212:32:002
46439990,1cyclictest0-21swapper/109:50:111
46379999,0cyclictest9-21ksoftirqd/009:05:130
46379998,1cyclictest9-21ksoftirqd/009:25:500
46379998,1cyclictest9-21ksoftirqd/009:15:160
46379997,1cyclictest9-21ksoftirqd/008:20:100
46379993,6cyclictest9-21ksoftirqd/010:15:080
46379991,8cyclictest9-21ksoftirqd/011:17:170
46379991,8cyclictest9-21ksoftirqd/009:42:250
46379991,8cyclictest9-21ksoftirqd/007:58:200
46379991,8cyclictest9-21ksoftirqd/007:39:090
46379990,8cyclictest9-21ksoftirqd/009:10:380
46379990,5cyclictest13018-21sed08:34:590
46579987,1cyclictest35-21ksoftirqd/309:10:013
46579986,1cyclictest707-21snmpd11:58:063
46579980,7cyclictest32615-21ntpq08:05:173
46579980,4cyclictest6150-21/usr/sbin/munin12:05:173
46579980,2cyclictest12630-21/usr/sbin/munin10:10:153
46489986,1cyclictest61650irq/122-eno112:05:122
46489986,1cyclictest61650irq/122-eno110:55:142
46489986,1cyclictest28-21ksoftirqd/208:25:012
46489982,5cyclictest29701-21diskmemload09:10:102
46489982,4cyclictest16413-21sh11:36:412
46379988,0cyclictest9-21ksoftirqd/008:50:130
46379988,0cyclictest9-21ksoftirqd/008:25:220
46379988,0cyclictest9-21ksoftirqd/008:10:120
46379988,0cyclictest9-21ksoftirqd/007:50:090
46379987,0cyclictest9-21ksoftirqd/007:15:110
46379981,3cyclictest101rcuc/008:05:190
46379980,8cyclictest9-21ksoftirqd/009:00:310
46379980,8cyclictest9-21ksoftirqd/008:45:270
46379980,8cyclictest9-21ksoftirqd/008:03:230
46379980,8cyclictest9-21ksoftirqd/007:45:110
46379980,8cyclictest9-21ksoftirqd/007:40:010
46379980,8cyclictest0-21swapper/008:15:470
46379980,8cyclictest0-21swapper/008:15:460
46579976,1cyclictest707-21snmpd10:35:283
46579976,1cyclictest707-21snmpd09:31:323
46579976,1cyclictest707-21snmpd09:19:223
46579975,1cyclictest707-21snmpd12:20:303
46579975,1cyclictest707-21snmpd11:51:343
46579975,1cyclictest707-21snmpd10:15:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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