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2026-07-27 - 05:58
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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 Mon Jul 27, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201952207158,24sleep00-21swapper/019:07:080
203472202162,26sleep30-21swapper/319:09:083
202342202161,26sleep20-21swapper/219:07:382
202112201165,23sleep10-21swapper/119:07:221
115642660,0sleep20-21swapper/221:05:142
20512991311,1cyclictest28-21ksoftirqd/219:15:012
2051299130,1cyclictest0-21swapper/200:28:002
265092120,0sleep20-21swapper/223:44:062
2051299125,3cyclictest61650irq/122-eno123:05:362
2049899120,0cyclictest0-21swapper/019:50:120
198852120,0sleep00-21swapper/021:17:440
2051899115,4cyclictest35-21ksoftirqd/320:25:003
2051299118,2cyclictest28-21ksoftirqd/221:47:352
2049899110,4cyclictest240-21systemd-journal23:30:010
2051899109,1cyclictest35-21ksoftirqd/323:09:593
2051899108,1cyclictest35-21ksoftirqd/322:45:003
2051899108,1cyclictest35-21ksoftirqd/320:15:003
2051299109,1cyclictest28-21ksoftirqd/222:50:002
2051299109,1cyclictest28-21ksoftirqd/220:54:592
2051299100,8cyclictest32100-21kworker/u8:123:17:032
2049899103,3cyclictest17085-21/usr/sbin/munin22:00:010
2049899100,5cyclictest13597-21diskmemload22:25:130
205129998,1cyclictest28-21ksoftirqd/221:45:002
205129998,1cyclictest28-21ksoftirqd/200:05:012
205129997,1cyclictest28-21ksoftirqd/222:26:282
205129995,1cyclictest11301-21snmpd20:19:412
205059990,8cyclictest0-21swapper/122:55:151
205059990,8cyclictest0-21swapper/121:40:391
205059990,3cyclictest0-21swapper/100:39:381
204989992,6cyclictest11645-21sh22:35:330
204989990,4cyclictest12794-21perf23:25:000
2156280,0sleep10-21swapper/121:37:301
205189987,1cyclictest35-21ksoftirqd/322:35:013
205189986,1cyclictest561-21nscd00:05:193
205189986,1cyclictest35-21ksoftirqd/320:45:003
205189986,1cyclictest11301-21snmpd22:25:413
205189986,1cyclictest11301-21snmpd22:02:573
205189986,1cyclictest11301-21snmpd20:50:573
205189986,1cyclictest11301-21snmpd19:46:493
205189986,1cyclictest11301-21snmpd19:20:483
205189986,1cyclictest11301-21snmpd00:11:053
205189980,6cyclictest13597-21diskmemload23:40:363
205189980,1cyclictest0-21swapper/322:35:143
205129986,1cyclictest61650irq/122-eno123:20:242
205129986,1cyclictest61650irq/122-eno122:35:182
205129986,1cyclictest61650irq/122-eno122:15:162
205129986,1cyclictest28-21ksoftirqd/219:35:012
205129986,1cyclictest28-21ksoftirqd/200:22:312
205129986,1cyclictest18186-21cat21:15:172
205129986,1cyclictest11301-21snmpd21:28:052
205129984,4cyclictest20495-21cyclictest22:33:052
205129981,5cyclictest318-21rm21:35:172
205129981,3cyclictest5258-21apt-get19:45:022
205059980,8cyclictest0-21swapper/122:50:261
205059980,4cyclictest0-21swapper/122:30:501
204989983,1cyclictest27082-21/usr/sbin/munin23:45:140
204989980,4cyclictest17282-21sed20:10:000
204989980,2cyclictest240-21systemd-journal23:15:000
204989980,1cyclictest30765-21ssh23:04:390
204989980,1cyclictest14984-21ssh00:13:140
205189976,1cyclictest30378-21cat20:35:173
205189976,1cyclictest21951-21cat21:20:193
205189976,1cyclictest11301-21snmpd19:52:053
205189975,1cyclictest35-21ksoftirqd/320:44:593
205189975,1cyclictest35-21ksoftirqd/300:40:003
205189975,1cyclictest28888-21ssh23:45:243
205189975,1cyclictest11301-21snmpd22:17:123
205189975,1cyclictest11301-21snmpd19:39:343
205189975,1cyclictest11301-21snmpd19:14:213
205189975,1cyclictest11301-21snmpd00:20:333
205189974,1cyclictest13650irq/124-ahci[0021:04:553
205189972,2cyclictest0-21swapper/322:50:143
205189971,5cyclictest561-21nscd00:25:583
205189970,6cyclictest22877-21ssh23:38:463
205189970,6cyclictest19649-1kworker/u9:022:09:553
205189970,5cyclictest0-21swapper/323:51:533
205189970,2cyclictest0-21swapper/321:46:403
205189970,2cyclictest0-21swapper/321:26:033
205129976,1cyclictest61650irq/122-eno123:55:512
205129976,1cyclictest61650irq/122-eno123:50:192
205129976,1cyclictest61650irq/122-eno123:25:202
205129976,1cyclictest61650irq/122-eno122:10:202
205129976,1cyclictest61650irq/122-eno121:30:182
205129976,1cyclictest61650irq/122-eno120:40:152
205129976,1cyclictest61650irq/122-eno119:55:172
205129976,1cyclictest61650irq/122-eno100:38:082
205129976,1cyclictest28-21ksoftirqd/219:30:012
205129975,1cyclictest61650irq/122-eno121:50:142
205129975,1cyclictest61650irq/122-eno119:15:142
205129975,1cyclictest61650irq/122-eno100:20:002
205129975,1cyclictest61650irq/122-eno100:05:172
205129975,1cyclictest32173-21df22:20:132
205129975,1cyclictest28-21ksoftirqd/220:10:002
205129975,1cyclictest11301-21snmpd22:41:222
205129974,1cyclictest240-21systemd-journal20:35:002
205129974,1cyclictest240-21systemd-journal20:15:012
205129973,1cyclictest240-21systemd-journal19:25:002
205129973,0cyclictest0-21swapper/222:52:392
205129970,1cyclictest0-21swapper/223:03:392
205129970,1cyclictest0-21swapper/221:24:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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