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2026-06-27 - 08:53
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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 rack1slot3.osadl.org (updated Sat Jun 27, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57813991413,0cyclictest0-21swapper/322:04:263
57813991413,0cyclictest0-21swapper/321:10:103
57813991413,0cyclictest0-21swapper/320:59:563
57813991413,0cyclictest0-21swapper/300:37:023
57813991313,0cyclictest0-21swapper/322:58:433
57813991313,0cyclictest0-21swapper/321:49:053
57813991313,0cyclictest0-21swapper/320:45:353
57813991313,0cyclictest0-21swapper/319:32:533
57813991312,0cyclictest0-21swapper/321:30:393
57813991312,0cyclictest0-21swapper/321:24:303
5781399130,11cyclictest0-21swapper/321:25:133
5781399130,11cyclictest0-21swapper/320:05:113
5781399129,1cyclictest0-21swapper/322:40:113
57813991212,0cyclictest0-21swapper/323:26:223
57813991212,0cyclictest0-21swapper/322:17:453
57813991212,0cyclictest0-21swapper/321:36:473
57813991212,0cyclictest0-21swapper/320:53:473
57813991212,0cyclictest0-21swapper/320:15:543
57813991212,0cyclictest0-21swapper/320:01:333
57813991212,0cyclictest0-21swapper/319:28:473
57813991212,0cyclictest0-21swapper/300:25:453
57813991212,0cyclictest0-21swapper/300:00:093
57813991211,0cyclictest0-21swapper/322:35:113
57813991211,0cyclictest0-21swapper/320:25:073
57813991211,0cyclictest0-21swapper/319:40:033
5781399120,11cyclictest0-21swapper/323:55:113
5781399120,10cyclictest0-21swapper/300:20:113
5781399116,1cyclictest0-21swapper/321:00:113
57813991111,0cyclictest0-21swapper/323:45:023
57813991111,0cyclictest0-21swapper/323:22:163
57813991111,0cyclictest0-21swapper/323:18:103
57813991111,0cyclictest0-21swapper/322:21:513
57813991111,0cyclictest0-21swapper/322:06:303
57813991111,0cyclictest0-21swapper/320:44:343
57813991111,0cyclictest0-21swapper/319:58:293
57813991111,0cyclictest0-21swapper/319:13:263
57813991110,0cyclictest0-21swapper/322:50:113
57813991110,0cyclictest0-21swapper/320:33:193
5781399110,10cyclictest0-21swapper/322:50:013
5781399109,0cyclictest0-21swapper/320:14:523
5781399109,0cyclictest0-21swapper/300:13:283
57813991010,0cyclictest0-21swapper/323:36:363
57813991010,0cyclictest0-21swapper/323:30:273
57813991010,0cyclictest0-21swapper/321:56:153
57813991010,0cyclictest0-21swapper/321:05:033
57813991010,0cyclictest0-21swapper/319:50:113
57813991010,0cyclictest0-21swapper/300:33:573
57813991010,0cyclictest0-21swapper/300:15:313
5781399100,9cyclictest0-21swapper/323:00:203
5781399100,0cyclictest0-21swapper/319:35:173
578139999,0cyclictest0-21swapper/323:10:113
578139999,0cyclictest0-21swapper/323:05:183
578139999,0cyclictest0-21swapper/321:40:533
578139999,0cyclictest0-21swapper/320:20:113
578139999,0cyclictest0-21swapper/319:45:203
578139998,0cyclictest0-21swapper/323:50:563
578139998,0cyclictest0-21swapper/322:14:413
578139998,0cyclictest0-21swapper/321:53:103
578139998,0cyclictest0-21swapper/321:18:213
578139998,0cyclictest0-21swapper/320:38:253
578139990,0cyclictest0-21swapper/322:25:193
12959890,0rtkit-daemon0-21swapper/100:21:521
73734288,0sleep2556-21hwrng19:49:162
578139988,0cyclictest0-21swapper/323:48:533
578139988,0cyclictest0-21swapper/322:32:053
578139988,0cyclictest0-21swapper/319:21:373
578139988,0cyclictest0-21swapper/319:15:123
56822281,4sleep30-21swapper/319:05:183
578139977,0cyclictest0-21swapper/300:05:163
181931250,4sleep1182182-21/usr/sbin/munin00:10:201
12959850,3rtkit-daemon1-21systemd21:18:050
12959850,2rtkit-daemon0-21swapper/019:09:220
108438250,5sleep10-21swapper/121:19:201
79797240,2sleep079823-21apt-get20:05:110
57374242,1sleep10-21swapper/119:06:361
57271242,1sleep20-21swapper/219:05:212
172206240,0sleep20-21swapper/223:49:272
152615240,3sleep2152819-21/usr/sbin/munin23:00:202
12959840,3rtkit-daemon59759-21munin-node21:38:160
12959840,2rtkit-daemon76520-21sed19:55:170
12959840,2rtkit-daemon696-21gmain23:09:000
12959840,2rtkit-daemon696-21gmain20:30:000
12959840,2rtkit-daemon59759-21munin-node00:05:091
12959840,2rtkit-daemon422-21systemd-journal23:34:570
12959840,2rtkit-daemon1-21systemd23:57:541
12959840,2rtkit-daemon1-21systemd23:45:300
12959840,2rtkit-daemon1-21systemd22:47:250
12959840,2rtkit-daemon1-21systemd21:29:230
12959840,2rtkit-daemon1-21systemd20:37:230
12959840,2rtkit-daemon104485-21diskmemload22:13:590
12959840,1rtkit-daemon2235-21packagekitd21:45:030
12959840,1rtkit-daemon1-21systemd21:43:570
135983231,0sleep2191rcu_preempt22:25:022
12959830,2rtkit-daemon772-21snmpd23:36:550
12959830,2rtkit-daemon1299-21sendmail-mta23:40:100
12959830,2rtkit-daemon1299-21sendmail-mta20:20:210
12959830,2rtkit-daemon1-21systemd23:10:060
12959830,1rtkit-daemon774-21ntpd21:20:120
12959830,1rtkit-daemon774-21ntpd20:19:510
12959830,1rtkit-daemon772-21snmpd23:52:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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