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2025-12-22 - 03:36
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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 rack3slot0.osadl.org (updated Mon Dec 22, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54102970,2sleep51131999cyclictest22:04:155
112122730,0sleep10-21swapper/123:15:231
309342720,0sleep60-21swapper/622:25:466
1103525847,8sleep50-21swapper/519:08:155
247632550,1sleep524764-21grepconf.sh22:50:525
1092725342,8sleep40-21swapper/419:06:464
52722510,0sleep70-21swapper/721:57:367
52722510,0sleep70-21swapper/721:57:367
1091725026,8sleep30-21swapper/319:06:373
48592470,0sleep30-21swapper/322:16:543
230512470,0sleep20-21swapper/222:50:412
41032440,1sleep24100-21sshd23:14:522
243992440,0sleep60-21swapper/600:19:026
209402440,0sleep50-21swapper/521:10:095
264422430,2sleep51131999cyclictest23:04:135
264422430,2sleep51131999cyclictest23:04:135
1098224319,9sleep10-21swapper/119:07:311
1087724331,9sleep70-21swapper/719:06:097
317012420,0sleep331698-21sshd23:27:103
63922410,0sleep00-21swapper/023:14:580
289462410,0sleep50-21swapper/500:32:235
208962410,0sleep00-21swapper/000:12:000
203922410,0sleep70-21swapper/723:03:357
203922410,0sleep70-21swapper/723:03:357
254932400,0sleep50-21swapper/500:19:095
238092400,0sleep623807-21systemd-cgroups22:31:396
199982400,0sleep30-21swapper/323:32:303
1110924027,9sleep60-21swapper/619:09:126
1109424028,8sleep00-21swapper/019:08:580
69262390,0sleep10-21swapper/122:33:181
269062390,0sleep20-21swapper/221:24:402
17442390,1sleep11740-21systemd-cgroups00:13:291
274092380,2sleep61132699cyclictest00:29:036
207922380,0sleep40-21swapper/422:34:414
1085023827,8sleep20-21swapper/219:05:482
70272360,0sleep40-21swapper/422:55:394
5452360,2sleep71133499cyclictest23:14:337
97002340,0sleep30-21swapper/322:11:023
1127799230,2cyclictest31552-21sd-pam22:38:570
1127799230,2cyclictest10322-21sd-pam21:29:190
1127799230,1cyclictest1053-21systemd-cgroups23:30:310
1127799210,2cyclictest23527-21grepconf.sh22:50:440
46562200,0sleep50-21swapper/521:22:185
1127799203,7cyclictest18031-21cp22:21:190
1127799200,3cyclictest21477-21systemd00:08:550
1127799200,2cyclictest686-21dbus-daemon21:15:070
1127799200,2cyclictest1-21systemd22:01:410
1127799200,1cyclictest0-21swapper/000:16:560
210452190,0sleep60-21swapper/622:50:296
11293991915,3cyclictest33-21ksoftirqd/221:35:152
1127799193,7cyclictest9002-21bash22:14:150
1127799190,2cyclictest686-21dbus-daemon21:53:150
1127799190,2cyclictest22298-21systemd00:31:420
1127799190,2cyclictest10344-21sd-pam22:07:580
1127799190,1cyclictest17716-21grepconf.sh00:01:480
1127799190,1cyclictest0-21swapper/022:41:230
54762180,0sleep60-21swapper/623:24:416
11313991816,1cyclictest49-21ksoftirqd/423:10:414
11293991814,3cyclictest33-21ksoftirqd/200:05:252
1127799180,2cyclictest32726-21systemd21:44:190
1127799180,2cyclictest27058-21grepconf.sh23:26:410
1127799180,2cyclictest24116-21bash21:30:270
1127799180,2cyclictest16840-21kill22:34:190
1127799180,2cyclictest1-21systemd23:35:150
1127799180,1cyclictest0-21swapper/022:45:260
1127799180,1cyclictest0-21swapper/022:19:040
79062170,2sleep41131399cyclictest00:27:014
11313991715,1cyclictest49-21ksoftirqd/423:39:074
11313991715,1cyclictest49-21ksoftirqd/421:32:594
11301991714,2cyclictest41-21ksoftirqd/322:57:043
11293991714,3cyclictest33-21ksoftirqd/222:40:112
11293991714,2cyclictest33-21ksoftirqd/222:15:242
1129399171,1cyclictest33-21ksoftirqd/200:10:082
1128599170,16cyclictest17749-21kworker/1:021:22:191
1127799170,2cyclictest775-21gdbus21:14:000
1127799170,2cyclictest686-21dbus-daemon23:52:160
1127799170,2cyclictest4605-21kill23:08:290
1127799170,2cyclictest3356-21sshd23:57:100
1127799170,2cyclictest27937-21systemd23:46:260
1127799170,2cyclictest20302-21id21:46:090
1127799170,2cyclictest19279-21grep21:55:400
1127799170,2cyclictest19279-21grep21:55:400
1127799170,2cyclictest18184-21grep21:36:210
1127799170,2cyclictest1-21systemd00:37:090
1127799170,1cyclictest19152-21sshd22:24:470
1127799170,1cyclictest1-21systemd23:22:330
1127799170,1cyclictest0-21swapper/023:40:160
1127799170,1cyclictest0-21swapper/021:22:290
119942160,0sleep50-21swapper/521:16:425
11313991614,1cyclictest49-21ksoftirqd/422:33:154
11313991614,1cyclictest49-21ksoftirqd/422:09:584
11313991614,1cyclictest49-21ksoftirqd/421:26:314
11313991614,1cyclictest49-21ksoftirqd/400:07:264
11313991613,1cyclictest49-21ksoftirqd/421:17:284
11313991612,3cyclictest49-21ksoftirqd/423:55:024
11313991612,1cyclictest49-21ksoftirqd/422:44:314
11293991614,2cyclictest33-21ksoftirqd/221:55:022
11293991614,2cyclictest33-21ksoftirqd/221:55:022
11293991614,1cyclictest33-21ksoftirqd/222:31:062
11293991613,1cyclictest33-21ksoftirqd/223:54:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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