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2026-06-08 - 20:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Mon Jun 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
917021730,3sleep21298999cyclictest11:56:412
1969221560,3sleep31299899cyclictest10:08:463
1068911160,8ptp4l10322-21kworker/3:108:44:273
106891760,1ptp4l401ktimersoftd/313:39:503
106891720,1ptp4l401ktimersoftd/309:44:513
122362710,2sleep10-21swapper/109:53:431
176152680,1sleep30-21swapper/313:43:583
1297899677,26cyclictest30438-21latency13:23:580
106891670,2ptp4l401ktimersoftd/311:50:563
106891670,1ptp4l401ktimersoftd/314:13:303
26552630,2sleep10-21swapper/112:55:461
106891620,1ptp4l401ktimersoftd/312:39:233
125562604,10sleep20-21swapper/208:44:212
106891600,1ptp4l401ktimersoftd/313:53:083
1297899590,4cyclictest21295-21ssh13:14:120
106891590,1ptp4l401ktimersoftd/313:35:003
106891570,1ptp4l401ktimersoftd/312:04:433
125742564,40sleep00-21swapper/008:44:360
106891560,2ptp4l30258-21kworker/3:213:29:423
106891560,1ptp4l401ktimersoftd/311:24:303
195512550,2sleep10-21swapper/113:45:491
45322540,2sleep30-21swapper/312:58:373
1297899549,23cyclictest28286-21sh11:09:130
315982510,2sleep10-21swapper/109:23:521
1297899515,27cyclictest9111-1kworker/u9:113:38:310
12978995013,24cyclictest29441-21sh13:56:010
106891480,1ptp4l401ktimersoftd/309:18:533
293972470,2sleep00-21swapper/012:17:510
12978994721,23cyclictest15229-21awk12:03:360
105791470,5getstats1299899cyclictest10:58:003
105791470,5getstats1299899cyclictest10:58:003
106891460,1ptp4l401ktimersoftd/311:15:493
106891450,3ptp4l15748-21kworker/3:211:19:423
106891450,1ptp4l401ktimersoftd/311:37:083
106891450,0ptp4l401ktimersoftd/311:58:343
106891440,1ptp4l401ktimersoftd/308:58:053
1297899421,5cyclictest6320-21diskmemload12:54:540
1297899421,35cyclictest0-21swapper/014:03:500
1297899412,32cyclictest30251-21apt-get12:18:480
1297899412,30cyclictest24402-21apt-get10:18:450
106891410,2ptp4l15748-21kworker/3:210:38:373
1297899401,33cyclictest0-21swapper/013:38:490
12978994013,23cyclictest6315-21sh10:48:330
1297899400,4cyclictest29780-21gltestperf10:28:500
1297899400,2cyclictest0-21swapper/013:12:090
1297899392,31cyclictest25753-21apt-get09:13:430
12978993915,21cyclictest24851-21cut13:18:530
1297899391,23cyclictest0-21swapper/009:53:500
1297899390,4cyclictest9469-21chrt09:46:350
1297899390,36cyclictest0-21swapper/012:03:520
106891390,1ptp4l401ktimersoftd/314:14:193
106891390,1ptp4l401ktimersoftd/314:08:033
106891390,1ptp4l401ktimersoftd/312:59:333
106891390,1ptp4l401ktimersoftd/312:10:093
1297899383,29cyclictest0-21swapper/012:33:480
1297899382,31cyclictest0-21swapper/012:58:510
1297899382,31cyclictest0-21swapper/011:33:480
1297899382,28cyclictest5198-21apt-get09:38:430
1297899380,5cyclictest9246-21cut11:23:500
1297899380,4cyclictest9021-21ssh11:56:260
1297899380,4cyclictest29894-21snmp_o5powerctl11:44:020
1297899380,3cyclictest31330-21/usr/sbin/munin13:59:090
1297899380,3cyclictest14967-21/usr/sbin/munin09:58:480
1297899380,2cyclictest6320-21diskmemload13:29:000
106891380,1ptp4l401ktimersoftd/313:55:033
106891380,1ptp4l401ktimersoftd/313:27:193
106891380,1ptp4l401ktimersoftd/313:09:363
106891380,1ptp4l401ktimersoftd/312:50:213
106891380,1ptp4l401ktimersoftd/312:50:213
106891380,1ptp4l401ktimersoftd/312:34:173
106891380,1ptp4l401ktimersoftd/312:32:153
106891380,1ptp4l401ktimersoftd/312:14:523
106891380,1ptp4l401ktimersoftd/311:03:523
1297899372,8cyclictest19438-21apt-get10:08:440
1297899372,29cyclictest0-21swapper/012:23:480
12978993712,22cyclictest4724-21seq09:36:440
12978993712,22cyclictest14245-21expr11:28:500
1297899370,3cyclictest26918-21ssh11:41:420
1297899370,3cyclictest233-21systemd-journal09:28:510
1297899370,3cyclictest20536-21taskset09:01:180
1297899370,3cyclictest0-21swapper/009:08:500
1297899370,3cyclictest0-21swapper/009:08:500
106891370,1ptp4l401ktimersoftd/313:23:033
106891370,1ptp4l401ktimersoftd/313:07:183
106891370,1ptp4l401ktimersoftd/311:12:113
106891370,1ptp4l401ktimersoftd/310:50:083
106891370,0ptp4l401ktimersoftd/312:01:353
1297899369,24cyclictest24471-21seq12:12:450
1297899362,29cyclictest0-21swapper/010:38:440
12978993612,21cyclictest10277-21sed14:09:060
1297899360,3cyclictest28415-21ssh10:24:000
1297899360,3cyclictest16556-21fschecks_count08:53:460
1297899360,3cyclictest0-21swapper/013:48:530
1297899360,2cyclictest0-21swapper/011:03:340
106891360,2ptp4l15748-21kworker/3:211:40:453
106891360,1ptp4l401ktimersoftd/314:00:173
106891360,1ptp4l401ktimersoftd/312:47:563
106891360,1ptp4l401ktimersoftd/311:47:393
106891360,0ptp4l401ktimersoftd/310:15:543
1297899359,22cyclictest18734-21grep10:04:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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