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2026-05-04 - 05:10
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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 Mon May 04, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131622292267,16sleep20-21swapper/219:05:112
147912273247,17sleep10-21swapper/119:05:541
150142270238,21sleep00-21swapper/019:08:290
151002265235,20sleep30-21swapper/319:09:383
197532690,0sleep20-21swapper/220:25:192
165772650,0sleep20-21swapper/222:32:532
152672630,0sleep30-21swapper/321:54:063
146742630,1sleep30-21swapper/300:08:593
103762620,0sleep00-21swapper/000:25:180
154642610,0sleep00-21swapper/023:10:270
19072560,0sleep30-21swapper/321:26:253
275462550,0sleep20-21swapper/200:35:342
105752550,0sleep20-21swapper/200:05:502
140202520,0sleep10-21swapper/100:27:561
62542230,1sleep30-21swapper/322:26:363
9602200,0sleep00-21swapper/023:40:250
75492180,0sleep10-21swapper/123:05:471
73632180,0sleep00-21swapper/023:05:380
139472180,0sleep30-21swapper/322:30:543
290552170,0sleep20-21swapper/200:17:192
175502170,0sleep30-21swapper/323:31:193
79072150,0sleep00-21swapper/000:05:010
152469998,1cyclictest34-21ksoftirqd/319:55:023
152469996,2cyclictest34-21ksoftirqd/319:20:003
152469996,2cyclictest31991-21ssh00:19:333
152379992,3cyclictest275-21systemd-journal00:04:591
7288280,0sleep20-21swapper/222:27:252
18614280,0sleep00-21swapper/023:32:080
18607280,0chrt0-21swapper/322:53:483
152469987,1cyclictest34-21ksoftirqd/323:30:003
152469987,1cyclictest34-21ksoftirqd/323:30:003
152469987,1cyclictest34-21ksoftirqd/323:20:003
152419986,1cyclictest28-21ksoftirqd/223:00:002
152419986,1cyclictest24811-21ssh23:16:132
152419980,2cyclictest22475-21rm22:17:172
152379985,2cyclictest21846-21ssh00:13:091
152379984,3cyclictest275-21systemd-journal23:40:101
30523270,0sleep30-21swapper/323:39:533
21300270,0sleep00-21swapper/021:38:320
21300270,0sleep00-21swapper/021:38:320
152469975,2cyclictest34-21ksoftirqd/300:40:013
152469974,2cyclictest18146-11brltty23:02:123
152469973,3cyclictest658-21snmpd00:13:093
152469973,3cyclictest275-21systemd-journal23:54:553
152469973,1cyclictest0-21swapper/322:06:473
152469973,1cyclictest0-21swapper/321:59:323
152419973,3cyclictest658-21snmpd21:35:362
152419973,3cyclictest658-21snmpd21:35:362
152419973,3cyclictest275-21systemd-journal00:29:042
152419973,3cyclictest1-21systemd21:15:172
152419973,2cyclictest275-21systemd-journal19:20:012
152419973,1cyclictest0-21swapper/223:06:022
152419972,4cyclictest30218-21apt-get23:20:102
152379974,2cyclictest275-21systemd-journal19:30:111
152379973,3cyclictest658-21snmpd23:23:121
152379973,3cyclictest275-21systemd-journal21:56:551
152379973,3cyclictest0-21swapper/122:17:461
152379972,3cyclictest275-21systemd-journal00:00:001
152379971,3cyclictest30686-21munin-run21:25:011
152379971,3cyclictest2360-21turbostat22:25:011
152379971,1cyclictest7853-21apt-get21:50:021
152329975,1cyclictest12-21ksoftirqd/022:20:010
152329975,1cyclictest12-21ksoftirqd/021:20:010
152329974,2cyclictest275-21systemd-journal23:53:010
152329973,3cyclictest275-21systemd-journal22:12:010
152329973,3cyclictest275-21systemd-journal21:12:130
152329973,3cyclictest20268-21cron19:20:010
152329972,3cyclictest6588-21idleruntime-cro21:30:000
152329972,3cyclictest275-21systemd-journal21:40:010
152329970,4cyclictest11862-21idleruntime-cro22:50:000
30423260,0sleep00-21swapper/023:00:180
152469963,2cyclictest5435-21ssh23:05:133
152469963,2cyclictest504-21dbus-daemon22:12:503
152469963,2cyclictest31712-21ssh22:41:443
152469963,2cyclictest31003-21uname23:20:143
152469963,2cyclictest275-21systemd-journal20:55:533
152469963,2cyclictest275-21systemd-journal20:48:233
152469963,2cyclictest26763-21sshd20:43:113
152469963,2cyclictest26761-21sh21:41:073
152469963,2cyclictest24054-21sh00:34:163
152469963,2cyclictest21104-21sh22:16:153
152469963,2cyclictest20080-11brltty20:20:513
152469963,2cyclictest15917-21ssh23:10:473
152469963,2cyclictest14188-21sh21:34:273
152469963,2cyclictest13188-21ssh23:48:263
152469962,3cyclictest658-21snmpd22:45:203
152469962,3cyclictest658-21snmpd22:35:203
152469962,3cyclictest658-21snmpd21:49:403
152469962,3cyclictest658-21snmpd21:17:043
152469962,3cyclictest658-21snmpd21:10:583
152469962,3cyclictest658-21snmpd20:54:293
152469962,3cyclictest658-21snmpd20:29:513
152469962,3cyclictest658-21snmpd20:07:393
152469962,3cyclictest275-21systemd-journal00:25:343
152469962,3cyclictest25899-21grep22:00:143
152469962,3cyclictest25831-21seq22:57:583
152469962,3cyclictest24599-21awk19:25:203
152469962,3cyclictest1792-21expr21:00:123
152469962,3cyclictest1408-21cat00:20:143
152469962,3cyclictest12747-21sendmail_mailtr20:10:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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