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2026-07-26 - 01:32
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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 Sat Jul 25, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1350821560,4sleep21717099cyclictest10:10:012
1068911030,3ptp4l401ktimersoftd/309:14:203
44902810,13sleep01716099cyclictest12:13:520
103882680,4sleep21717099cyclictest13:24:532
162672674,10sleep20-21swapper/209:09:532
170392654,10sleep00-21swapper/009:14:150
31542610,2sleep10-21swapper/112:44:531
31542610,2sleep10-21swapper/112:44:531
123592610,4sleep112361-21fschecks_time10:09:481
247012600,4sleep31717899cyclictest11:28:263
319932570,3sleep30-21swapper/311:34:533
168392544,36sleep10-21swapper/109:11:381
160162540,1sleep00-21swapper/014:36:210
179752530,2sleep00-21swapper/011:20:240
246132520,1sleep10-21swapper/114:12:531
202972500,1sleep30-21swapper/311:24:213
1717899505,12cyclictest31677-21seq12:08:183
1717899494,13cyclictest4389-21/usr/sbin/munin13:19:543
106142470,1sleep00-21swapper/012:52:390
1716099453,35cyclictest0-21swapper/009:24:400
17178994313,15cyclictest8481-21apt-get11:09:453
1716599415,14cyclictest10545-21diskmemload12:53:211
1716099413,9cyclictest10203-21apt-get12:19:450
1716099413,5cyclictest0-21swapper/013:04:460
1716099413,32cyclictest0-21swapper/011:14:440
1716099412,5cyclictest0-21swapper/013:19:470
1716099412,34cyclictest0-21swapper/014:39:490
1716099411,5cyclictest0-21swapper/010:09:440
1716099410,5cyclictest31002-21grep11:34:460
1716599402,14cyclictest16662-21munin-run10:19:291
1716099403,9cyclictest3513-21apt-get10:59:420
1716099403,9cyclictest3513-21apt-get10:59:420
1716099402,5cyclictest0-21swapper/014:24:490
1716099402,5cyclictest0-21swapper/014:24:490
1716099402,4cyclictest0-21swapper/012:34:460
1716099392,33cyclictest64-21kswapd013:34:470
17160993913,23cyclictest12200-21seq14:33:120
17160993913,23cyclictest10545-21diskmemload11:31:080
106891390,1ptp4l401ktimersoftd/314:10:323
106891390,1ptp4l401ktimersoftd/312:19:233
106891390,1ptp4l401ktimersoftd/311:32:533
106891390,1ptp4l401ktimersoftd/311:18:343
1716599382,15cyclictest26406-21snmp_o5powerctl12:35:001
1716099389,25cyclictest1128-21acpi10:54:440
17160993818,17cyclictest9-21ksoftirqd/010:18:460
17160993814,21cyclictest4226-21sh12:45:050
17160993814,21cyclictest4226-21sh12:45:050
17160993812,22cyclictest25880-21interrupts09:29:470
17160993811,24cyclictest27541-21/usr/sbin/munin09:34:510
17160993811,24cyclictest1055-21runrttasks11:40:000
1716099380,35cyclictest0-21swapper/014:17:140
106891380,1ptp4l401ktimersoftd/314:42:273
106891380,1ptp4l401ktimersoftd/314:31:053
106891380,1ptp4l401ktimersoftd/314:26:453
106891380,1ptp4l401ktimersoftd/314:26:453
106891380,1ptp4l401ktimersoftd/314:17:203
106891380,1ptp4l401ktimersoftd/314:09:123
106891380,1ptp4l401ktimersoftd/313:57:203
106891380,1ptp4l401ktimersoftd/313:52:403
106891380,1ptp4l401ktimersoftd/313:47:233
106891380,1ptp4l401ktimersoftd/313:44:133
106891380,1ptp4l401ktimersoftd/313:34:513
106891380,1ptp4l401ktimersoftd/313:05:453
106891380,1ptp4l401ktimersoftd/312:55:333
106891380,1ptp4l401ktimersoftd/312:40:293
106891380,1ptp4l401ktimersoftd/312:40:293
106891380,1ptp4l401ktimersoftd/312:39:163
106891380,1ptp4l401ktimersoftd/312:31:433
106891380,1ptp4l401ktimersoftd/311:59:113
106891380,1ptp4l401ktimersoftd/311:42:163
1716599372,15cyclictest16082-21users13:30:021
1716099373,7cyclictest17048-21apt-get12:59:450
1716099373,4cyclictest12186-21apt-get12:54:480
1716099372,6cyclictest32580-21apt-get09:44:410
17160993712,22cyclictest6383-21cat12:14:540
17160993712,22cyclictest10545-21diskmemload13:56:110
17160993712,22cyclictest10545-21diskmemload12:43:020
17160993712,22cyclictest10545-21diskmemload12:43:020
17160993711,23cyclictest8660-21fschecks_time11:44:480
17160993711,23cyclictest25610-21sed10:35:000
17160993711,23cyclictest15540-21seq14:04:130
106891370,1ptp4l401ktimersoftd/314:35:133
106891370,1ptp4l401ktimersoftd/313:30:153
106891370,1ptp4l401ktimersoftd/313:27:123
106891370,1ptp4l401ktimersoftd/313:16:393
106891370,1ptp4l401ktimersoftd/313:12:003
106891370,1ptp4l401ktimersoftd/313:01:143
106891370,1ptp4l401ktimersoftd/312:53:533
106891370,1ptp4l401ktimersoftd/312:19:443
106891370,1ptp4l401ktimersoftd/312:00:593
106891370,1ptp4l401ktimersoftd/311:52:053
106891370,0ptp4l401ktimersoftd/314:02:333
106891370,0ptp4l401ktimersoftd/312:11:293
106891370,0ptp4l401ktimersoftd/311:45:483
1717899367,10cyclictest30921-21sh14:19:473
1716599367,5cyclictest25-21ksoftirqd/114:24:561
1716599367,5cyclictest25-21ksoftirqd/114:24:561
1716099369,3cyclictest1173-21head13:15:060
1716099368,4cyclictest28010-21cut12:04:470
1716099368,4cyclictest10310-21irqrtprio10:04:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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