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2026-08-08 - 10:14
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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 08, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262302202163,25sleep30-21swapper/319:09:443
262032202165,23sleep10-21swapper/119:09:221
259562202159,29sleep20-21swapper/219:06:092
259912197158,25sleep00-21swapper/019:06:340
163172150,0sleep10-21swapper/121:50:131
26327991211,1cyclictest9-21ksoftirqd/000:00:000
278812110,1sleep00-21swapper/020:20:020
2633399110,7cyclictest0-21swapper/323:30:113
2632999111,9cyclictest775-21/usr/sbin/munin23:00:192
2632799119,1cyclictest2675-21ls20:35:000
2632799115,4cyclictest5668-21ssh00:37:300
26333991010,0cyclictest0-21swapper/300:16:493
2633399101,6cyclictest0-21swapper/321:34:133
2633399100,8cyclictest27027-21apt-get21:20:123
2632799109,1cyclictest9-21ksoftirqd/019:20:000
2632799109,1cyclictest9-21ksoftirqd/000:05:000
28199290,0sleep00-21swapper/022:51:130
263339997,1cyclictest35-21ksoftirqd/322:55:003
263339990,8cyclictest19609-21diskmemload23:44:233
263339990,5cyclictest25554-21apt-get23:35:113
263299999,0cyclictest0-21swapper/222:26:132
263299998,1cyclictest19609-21diskmemload22:47:022
263299998,0cyclictest28-21ksoftirqd/221:15:002
263299996,3cyclictest28-21ksoftirqd/220:14:432
263299990,8cyclictest0-21swapper/223:55:182
263299990,8cyclictest0-21swapper/222:55:552
263299990,8cyclictest0-21swapper/222:17:172
263299990,8cyclictest0-21swapper/222:07:262
263299990,8cyclictest0-21swapper/221:33:062
263299990,8cyclictest0-21swapper/200:32:182
263289990,5cyclictest0-21swapper/120:30:121
263279998,1cyclictest9-21ksoftirqd/020:55:000
263279998,1cyclictest9-21ksoftirqd/000:15:000
263279998,1cyclictest6610-21grep21:35:180
263279998,1cyclictest561-21nscd21:22:100
263279990,8cyclictest0-21swapper/022:30:110
263339986,1cyclictest9274-21cat22:25:143
263339986,1cyclictest11301-21snmpd21:40:093
263339986,1cyclictest11301-21snmpd21:29:483
263339986,1cyclictest11301-21snmpd20:38:023
263339986,1cyclictest11301-21snmpd20:23:513
263339986,1cyclictest11301-21snmpd19:26:333
263339981,7cyclictest0-21swapper/322:46:403
263339980,7cyclictest19609-21diskmemload22:15:073
263339980,4cyclictest0-21swapper/323:07:553
263299984,3cyclictest1982-21sendmail-mta00:15:132
263299982,4cyclictest3659-21apt-get23:50:112
263299980,8cyclictest0-21swapper/223:45:302
263299980,8cyclictest0-21swapper/223:40:102
263299980,8cyclictest0-21swapper/223:38:112
263299980,8cyclictest0-21swapper/223:25:462
263299980,8cyclictest0-21swapper/223:21:052
263299980,8cyclictest0-21swapper/223:05:102
263299980,8cyclictest0-21swapper/222:50:282
263299980,8cyclictest0-21swapper/222:38:182
263299980,8cyclictest0-21swapper/222:30:342
263299980,8cyclictest0-21swapper/222:00:132
263299980,8cyclictest0-21swapper/221:57:062
263299980,8cyclictest0-21swapper/221:45:342
263299980,8cyclictest0-21swapper/221:28:202
263299980,8cyclictest0-21swapper/221:20:522
263299980,8cyclictest0-21swapper/221:15:062
263299980,8cyclictest0-21swapper/200:36:452
263299980,8cyclictest0-21swapper/200:25:282
263299980,8cyclictest0-21swapper/200:22:122
263299980,8cyclictest0-21swapper/200:13:002
263299980,8cyclictest0-21swapper/200:05:372
263299980,8cyclictest0-21swapper/200:01:582
263299980,7cyclictest0-21swapper/222:12:362
263299980,7cyclictest0-21swapper/221:40:332
263299980,7cyclictest0-21swapper/221:35:422
263299980,1cyclictest8300-21df_inode23:10:122
263289981,4cyclictest0-21swapper/122:05:041
263289980,4cyclictest0-21swapper/122:20:131
263289980,1cyclictest0-21swapper/123:10:101
263279987,1cyclictest9-21ksoftirqd/020:05:000
263279987,1cyclictest9-21ksoftirqd/000:10:000
263279986,1cyclictest9-21ksoftirqd/000:35:010
263279986,1cyclictest2368-21sshd23:46:430
263279986,1cyclictest11301-21snmpd19:45:210
263279986,1cyclictest11301-21snmpd00:27:520
263279981,6cyclictest24712-21ssh00:20:000
263279981,5cyclictest19519-21apt-get21:55:110
263279980,7cyclictest27699-21ssh23:36:320
263339976,1cyclictest35-21ksoftirqd/320:45:003
263339976,1cyclictest35-21ksoftirqd/319:39:593
263339976,1cyclictest11301-21snmpd21:55:163
263339975,1cyclictest28321-21users22:05:203
263339975,1cyclictest11301-21snmpd22:55:563
263339975,1cyclictest11301-21snmpd21:50:223
263339975,1cyclictest11301-21snmpd20:16:553
263339975,1cyclictest11301-21snmpd20:12:223
263339975,1cyclictest11301-21snmpd20:04:403
263339975,1cyclictest11301-21snmpd19:40:033
263339975,1cyclictest11301-21snmpd00:06:193
263339974,0cyclictest19609-21diskmemload23:22:283
263339971,5cyclictest0-21swapper/321:45:123
263339971,3cyclictest19609-21diskmemload21:35:013
263339970,4cyclictest32050-21mktemp00:30:013
263339970,0cyclictest0-21swapper/322:43:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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