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2026-08-15 - 20:57
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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 15, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83652215151,21sleep00-21swapper/007:07:440
82712210131,24sleep30-21swapper/307:06:313
82702201159,27sleep20-21swapper/207:06:312
82792199161,25sleep10-21swapper/107:06:371
153702810,0sleep00-21swapper/010:15:110
325272600,0sleep00-21swapper/010:37:540
237552600,1sleep323757-21aten2.4-expect07:40:113
8623992411,13cyclictest0-21swapper/107:10:111
8611992222,0cyclictest9-21ksoftirqd/010:45:210
8611992020,0cyclictest9-21ksoftirqd/011:06:330
8611992020,0cyclictest9-21ksoftirqd/007:55:110
8611992019,1cyclictest9-21ksoftirqd/010:30:140
8611991919,0cyclictest9-21ksoftirqd/009:52:530
8611991817,1cyclictest9-21ksoftirqd/010:10:180
8611991717,0cyclictest9-21ksoftirqd/011:26:030
8611991717,0cyclictest9-21ksoftirqd/011:20:190
8611991717,0cyclictest9-21ksoftirqd/008:00:180
8611991716,1cyclictest9-21ksoftirqd/007:35:120
8611991715,1cyclictest9-21ksoftirqd/008:05:140
8611991616,0cyclictest9-21ksoftirqd/012:23:590
8611991616,0cyclictest9-21ksoftirqd/012:04:440
8611991616,0cyclictest9-21ksoftirqd/011:40:180
8611991616,0cyclictest9-21ksoftirqd/011:00:090
8611991616,0cyclictest9-21ksoftirqd/009:45:360
8611991615,1cyclictest9-21ksoftirqd/008:15:210
8611991515,0cyclictest9-21ksoftirqd/012:38:360
8611991515,0cyclictest9-21ksoftirqd/012:18:210
8611991515,0cyclictest9-21ksoftirqd/010:41:120
8611991515,0cyclictest9-21ksoftirqd/009:16:240
8611991515,0cyclictest9-21ksoftirqd/008:45:130
8611991512,3cyclictest9-21ksoftirqd/009:25:000
8611991414,0cyclictest9-21ksoftirqd/011:17:430
8611991414,0cyclictest9-21ksoftirqd/010:21:300
8611991413,1cyclictest9-21ksoftirqd/009:30:000
8611991413,1cyclictest9-21ksoftirqd/007:50:000
8611991412,1cyclictest9-21ksoftirqd/009:36:200
8611991412,1cyclictest9-21ksoftirqd/009:05:000
8639991313,0cyclictest35-21ksoftirqd/311:15:203
862399130,12cyclictest0-21swapper/111:00:171
8611991313,0cyclictest9-21ksoftirqd/012:11:140
8611991313,0cyclictest9-21ksoftirqd/010:07:290
8611991313,0cyclictest9-21ksoftirqd/007:30:190
8611991313,0cyclictest9-21ksoftirqd/007:10:100
8611991312,1cyclictest9-21ksoftirqd/011:55:140
8611991312,1cyclictest9-21ksoftirqd/011:52:450
8611991311,2cyclictest9-21ksoftirqd/008:50:110
8611991311,1cyclictest9-21ksoftirqd/011:40:010
8639991210,1cyclictest35-21ksoftirqd/307:55:003
863499120,11cyclictest18621-21/usr/sbin/munin11:05:122
861199125,5cyclictest9-21ksoftirqd/008:30:150
8611991212,0cyclictest9-21ksoftirqd/012:05:110
8611991211,1cyclictest9-21ksoftirqd/012:26:190
8611991211,1cyclictest9-21ksoftirqd/011:33:380
8611991211,1cyclictest9-21ksoftirqd/010:25:200
8611991211,1cyclictest9-21ksoftirqd/009:40:130
8611991210,1cyclictest9-21ksoftirqd/010:00:150
8611991210,1cyclictest9-21ksoftirqd/009:30:130
861199119,1cyclictest9-21ksoftirqd/011:45:150
861199119,1cyclictest9-21ksoftirqd/011:10:180
861199119,1cyclictest9-21ksoftirqd/007:50:150
861199119,1cyclictest9-21ksoftirqd/007:20:000
8611991111,0cyclictest9-21ksoftirqd/009:57:320
8611991110,1cyclictest9-21ksoftirqd/012:30:110
8611991110,1cyclictest9-21ksoftirqd/011:00:000
8611991110,1cyclictest9-21ksoftirqd/009:10:130
8611991110,1cyclictest9-21ksoftirqd/009:09:590
8611991110,1cyclictest9-21ksoftirqd/008:35:150
8611991110,1cyclictest9-21ksoftirqd/007:25:120
8611991110,0cyclictest9-21ksoftirqd/008:10:150
863999108,1cyclictest35-21ksoftirqd/307:15:013
863499108,1cyclictest28-21ksoftirqd/210:50:002
863499100,9cyclictest0-21swapper/211:00:172
863499100,9cyclictest0-21swapper/209:15:392
863499100,0cyclictest0-21swapper/210:39:582
861199109,1cyclictest9-21ksoftirqd/008:55:120
861199109,1cyclictest9-21ksoftirqd/008:25:120
861199109,1cyclictest9-21ksoftirqd/008:20:150
861199109,1cyclictest9-21ksoftirqd/007:20:200
861199108,1cyclictest9-21ksoftirqd/008:40:160
861199108,1cyclictest9-21ksoftirqd/008:40:150
861199108,1cyclictest9-21ksoftirqd/007:40:130
8611991010,0cyclictest9-21ksoftirqd/010:50:120
86399999,0cyclictest35-21ksoftirqd/310:15:003
86399998,1cyclictest35-21ksoftirqd/311:34:553
86399998,1cyclictest35-21ksoftirqd/311:00:193
86399998,1cyclictest35-21ksoftirqd/307:40:003
86399997,1cyclictest35-21ksoftirqd/310:15:143
86399997,1cyclictest35-21ksoftirqd/307:50:003
86349998,1cyclictest0-21swapper/211:45:292
86349990,6cyclictest10978-21munin-node08:17:172
86399988,0cyclictest35-21ksoftirqd/312:30:203
86399987,1cyclictest35-21ksoftirqd/310:05:013
86399987,1cyclictest35-21ksoftirqd/309:55:153
86399987,1cyclictest35-21ksoftirqd/308:15:013
86399986,1cyclictest11301-21snmpd11:49:053
86399986,1cyclictest11301-21snmpd09:05:403
86399986,1cyclictest11301-21snmpd08:22:343
86399986,1cyclictest11301-21snmpd08:04:133
86399981,4cyclictest16216-21cpuspeed_turbos09:30:143
86399980,5cyclictest0-21swapper/311:40:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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