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2026-03-13 - 14:43
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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 Mar 13, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145262200156,21sleep30-21swapper/307:09:563
144782200160,26sleep20-21swapper/207:09:192
144712200162,24sleep00-21swapper/007:09:130
144102196160,23sleep10-21swapper/107:08:251
75162690,0sleep00-21swapper/011:12:340
246932250,1sleep228-21ksoftirqd/207:27:202
219162190,0sleep20-21swapper/210:08:002
14644991412,1cyclictest28-21ksoftirqd/208:55:002
14644991311,1cyclictest28-21ksoftirqd/210:50:002
14644991311,1cyclictest28-21ksoftirqd/208:30:002
1462799133,5cyclictest20833-21latency_hist08:30:000
14653991212,0cyclictest0-21swapper/309:53:223
14644991211,1cyclictest28-21ksoftirqd/209:52:382
14644991210,1cyclictest28-21ksoftirqd/211:30:192
14644991210,1cyclictest28-21ksoftirqd/209:40:002
14644991111,0cyclictest28-21ksoftirqd/212:10:172
14644991110,1cyclictest28-21ksoftirqd/212:35:152
1462799110,3cyclictest0-21swapper/010:15:100
1462799110,10cyclictest0-21swapper/012:20:160
1465399101,5cyclictest35-21ksoftirqd/311:00:113
1464499109,1cyclictest28-21ksoftirqd/212:05:162
146539998,1cyclictest35-21ksoftirqd/308:50:003
146539998,1cyclictest35-21ksoftirqd/307:23:583
146539998,1cyclictest1747-21ntpd09:20:273
146449999,0cyclictest28-21ksoftirqd/209:15:152
146449998,1cyclictest28-21ksoftirqd/212:25:142
146449998,1cyclictest28-21ksoftirqd/211:50:142
146449998,1cyclictest28-21ksoftirqd/211:47:162
146449998,1cyclictest28-21ksoftirqd/211:05:002
146449998,1cyclictest28-21ksoftirqd/210:45:002
146449998,1cyclictest28-21ksoftirqd/209:57:492
146449998,1cyclictest28-21ksoftirqd/209:31:112
146449998,1cyclictest28-21ksoftirqd/208:55:182
146449998,1cyclictest28-21ksoftirqd/207:15:002
146449998,0cyclictest28-21ksoftirqd/211:05:192
146369990,9cyclictest0-21swapper/110:58:311
146279990,4cyclictest25987-21perf08:40:000
146539987,1cyclictest35-21ksoftirqd/309:10:003
146539987,1cyclictest35-21ksoftirqd/308:45:003
146539987,1cyclictest1747-21ntpd11:59:253
146539987,1cyclictest1747-21ntpd10:51:573
146539986,1cyclictest707-21snmpd12:29:063
146539986,1cyclictest707-21snmpd11:09:313
146539986,1cyclictest707-21snmpd08:28:273
146539986,1cyclictest707-21snmpd08:06:413
146539986,1cyclictest35-21ksoftirqd/308:57:203
146539986,1cyclictest35-21ksoftirqd/307:15:003
146539984,3cyclictest1747-21ntpd08:22:023
146539980,5cyclictest0-21swapper/309:18:583
146449988,0cyclictest28-21ksoftirqd/211:56:332
146449988,0cyclictest28-21ksoftirqd/210:13:332
146449988,0cyclictest28-21ksoftirqd/208:10:122
146449987,1cyclictest28-21ksoftirqd/211:40:122
146449987,1cyclictest28-21ksoftirqd/211:25:142
146449987,1cyclictest28-21ksoftirqd/211:23:092
146449987,1cyclictest28-21ksoftirqd/210:30:212
146449987,1cyclictest28-21ksoftirqd/209:40:122
146449987,1cyclictest28-21ksoftirqd/209:25:132
146449987,1cyclictest28-21ksoftirqd/209:10:122
146449987,1cyclictest28-21ksoftirqd/208:35:002
146449987,1cyclictest28-21ksoftirqd/208:30:182
146449987,1cyclictest28-21ksoftirqd/207:50:002
146449986,1cyclictest707-21snmpd10:51:132
146449986,1cyclictest61650irq/122-eno112:15:132
146449986,1cyclictest28-21ksoftirqd/211:35:102
146449986,1cyclictest28-21ksoftirqd/210:00:112
146449986,1cyclictest28-21ksoftirqd/209:45:162
146449986,1cyclictest28-21ksoftirqd/209:25:002
146449986,1cyclictest28-21ksoftirqd/208:18:222
146449980,5cyclictest0-21swapper/210:38:202
146369980,6cyclictest0-21swapper/107:30:091
146279987,1cyclictest9-21ksoftirqd/011:15:230
146279987,1cyclictest8076-21diskmemload12:03:170
146279986,1cyclictest707-21snmpd11:57:180
146279986,1cyclictest707-21snmpd11:07:460
146279986,1cyclictest707-21snmpd09:25:290
146279986,1cyclictest707-21snmpd09:18:190
146279986,1cyclictest707-21snmpd08:53:100
146279986,1cyclictest707-21snmpd08:06:320
146279986,1cyclictest585-21rs:main0
146279981,6cyclictest16386-21rm10:42:160
146279981,4cyclictest16941-21latency_hist07:15:000
146279980,7cyclictest2273-21aten2.4-expect10:25:100
146279980,7cyclictest16074-21fschecks_time12:05:130
146279980,5cyclictest8076-21diskmemload10:05:370
146539976,1cyclictest35-21ksoftirqd/307:15:013
146539975,2cyclictest0-21swapper/310:26:153
146539975,1cyclictest707-21snmpd12:38:313
146539975,1cyclictest707-21snmpd12:02:183
146539975,1cyclictest707-21snmpd11:48:173
146539975,1cyclictest707-21snmpd10:10:153
146539975,1cyclictest707-21snmpd09:02:523
146539975,1cyclictest35-21ksoftirqd/311:15:193
146539975,1cyclictest35-21ksoftirqd/310:25:003
146539975,1cyclictest3223-21cat12:30:143
146539975,1cyclictest23146-21ssh09:27:533
146539973,3cyclictest707-21snmpd10:37:043
146539972,3cyclictest21479-21needreboot11:30:153
146539970,5cyclictest8076-21diskmemload10:00:113
146539970,4cyclictest707-21snmpd11:10:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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