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2026-09-13 - 05:45
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Sun Sep 13, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91122313283,20sleep20-21swapper/219:06:052
90692280251,19sleep00-21swapper/019:05:320
92102273245,18sleep10-21swapper/119:07:061
92222264233,20sleep30-21swapper/319:07:163
303832570,0sleep00-21swapper/021:47:410
87542560,0sleep20-21swapper/220:15:212
312042560,0sleep00-21swapper/023:25:190
151522560,0sleep10-21swapper/122:17:261
264862550,0sleep20-21swapper/223:23:012
76352540,0sleep30-21swapper/322:12:593
38252230,0sleep10-21swapper/123:09:511
27572210,0sleep20-21swapper/221:11:032
153292160,0sleep30-21swapper/321:58:063
319012140,0sleep20-21swapper/222:27:322
95379990,8cyclictest20115-21ssh21:41:101
25997290,0sleep10-21swapper/121:45:141
2088290,0sleep00-21swapper/023:08:300
95459986,1cyclictest34-21ksoftirqd/323:20:013
95459986,1cyclictest34-21ksoftirqd/319:15:013
95409986,1cyclictest17494-21ssh22:38:392
95329985,2cyclictest275-21systemd-journal23:02:200
652280,0sleep10-21swapper/123:26:451
22422280,0sleep20-21swapper/219:35:132
95459974,2cyclictest275-21systemd-journal19:26:073
95459973,3cyclictest504-21dbus-daemon20:35:203
95459973,2cyclictest275-21systemd-journal20:45:003
95459973,1cyclictest0-21swapper/323:50:593
95459973,1cyclictest0-21swapper/300:38:193
95459972,4cyclictest34-21ksoftirqd/320:22:203
95459970,3cyclictest214292rm22:01:253
95409975,2cyclictest28-21ksoftirqd/219:15:012
95409974,2cyclictest7343-21sshd22:12:462
95409973,1cyclictest0-21swapper/200:15:332
95409970,3cyclictest5306-21/usr/sbin/munin23:30:122
95409970,1cyclictest27878-21ssh00:22:202
95379976,1cyclictest221ksoftirqd/123:25:011
95379973,3cyclictest9166-21snmpd23:38:371
95379972,3cyclictest27555-21turbostat22:45:001
95379971,6cyclictest0-21swapper/100:10:011
95379970,2cyclictest23948-21perf00:39:591
95329976,1cyclictest12-21ksoftirqd/019:30:010
95329975,1cyclictest12-21ksoftirqd/023:20:010
95329975,1cyclictest113582sleep021:35:480
95329975,1cyclictest0-21swapper/000:31:050
95329974,2cyclictest14450-21ssh21:57:250
95329973,3cyclictest275-21systemd-journal00:08:250
31289270,0sleep00-21swapper/022:46:320
29542270,0sleep20-21swapper/222:06:172
27711270,6sleep027732-21ssh21:26:110
16837270,0sleep00-21swapper/023:55:510
10953270,0sleep20-21swapper/221:15:592
95459963,2cyclictest9259-21tr21:35:143
95459963,2cyclictest8522-21cat00:10:243
95459963,2cyclictest8479-21ssh23:12:043
95459963,2cyclictest5975-21ssh22:31:093
95459963,2cyclictest560-21gdbus21:04:593
95459963,2cyclictest504-21dbus-daemon21:05:303
95459963,2cyclictest29342-21ssh23:44:483
95459963,2cyclictest28051-21/usr/sbin/munin22:45:173
95459963,2cyclictest275-21systemd-journal22:35:253
95459963,2cyclictest27465-21ssh00:22:023
95459963,2cyclictest24414-21wc20:50:193
95459963,2cyclictest23526-11brltty19:52:023
95459963,2cyclictest17325-21ssh23:36:533
95459963,2cyclictest14286-21ssh22:16:453
95459963,1cyclictest0-21swapper/322:55:023
95459963,1cyclictest0-21swapper/321:26:263
95459962,3cyclictest945-21fschecks_count20:00:123
95459962,3cyclictest9166-21snmpd22:06:033
95459962,3cyclictest9166-21snmpd20:58:563
95459962,3cyclictest9166-21snmpd20:25:053
95459962,3cyclictest9166-21snmpd20:19:233
95459962,3cyclictest9166-21snmpd19:13:193
95459962,3cyclictest9166-21snmpd00:26:463
95459962,3cyclictest8379-21sed00:30:193
95459962,3cyclictest31388-21cat19:55:183
95459962,3cyclictest31343-21df00:05:133
95459962,3cyclictest275-21systemd-journal23:31:253
95459962,3cyclictest27479-21smart_sda19:45:203
95459962,3cyclictest22655-11brltty22:20:343
95459962,1cyclictest0-21swapper/323:16:103
95459962,1cyclictest0-21swapper/323:06:063
95459962,1cyclictest0-21swapper/321:51:003
95459962,1cyclictest0-21swapper/321:46:033
95459962,1cyclictest0-21swapper/321:33:173
95459962,1cyclictest0-21swapper/321:15:173
95459962,1cyclictest0-21swapper/300:03:213
95459961,3cyclictest275-21systemd-journal23:56:153
95459961,3cyclictest275-21systemd-journal21:10:253
95459960,6cyclictest0-21swapper/323:45:243
95459960,6cyclictest0-21swapper/322:53:473
95459960,5cyclictest32212-21ssh23:26:053
95459960,3cyclictest16408-21ntp_states00:15:203
95459960,0cyclictest0-21swapper/321:41:163
95459960,0cyclictest0-21swapper/321:20:133
95409963,2cyclictest9166-21snmpd23:03:162
95409963,2cyclictest9166-21snmpd21:42:032
95409963,2cyclictest9166-21snmpd19:31:132
95409963,2cyclictest663-21runrttasks00:05:132
95409963,2cyclictest5194-21cut23:10:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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