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2025-11-08 - 22:06
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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 Nov 08, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911720,4ptp4l401ktimersoftd/308:07:233
1480821530,4sleep21842599cyclictest10:13:282
119752790,2sleep00-21swapper/010:47:550
89762620,2sleep10-21swapper/112:36:281
16292600,3sleep3401ktimersoftd/311:13:513
173522594,40sleep20-21swapper/208:05:082
181282564,41sleep00-21swapper/008:07:240
94762530,3sleep341-21ksoftirqd/310:05:023
1841999514,2cyclictest0-21swapper/111:16:081
1843599500,4cyclictest28677-21ssh12:57:563
163602500,2sleep30-21swapper/310:15:063
299462490,1sleep30-21swapper/310:30:153
1841999490,4cyclictest13983-21ssh13:15:211
18412994534,5cyclictest9-21ksoftirqd/011:50:020
18412994534,5cyclictest9-21ksoftirqd/011:50:020
1843599440,2cyclictest0-21swapper/311:35:103
1843599440,2cyclictest0-21swapper/311:35:103
18425994135,3cyclictest33-21ksoftirqd/209:59:482
1841999411,3cyclictest25785-21ssh13:28:471
300972400,2sleep00-21swapper/008:30:130
1841999402,32cyclictest0-21swapper/112:10:041
1841999402,30cyclictest7457-21apt-get13:10:061
177391400,1ptp4l401ktimersoftd/312:48:253
177391400,1ptp4l401ktimersoftd/312:19:523
1843599394,32cyclictest13468-21sed09:05:053
18419993918,18cyclictest14356-21dpkg11:29:501
1841999390,3cyclictest7408-21ls10:00:081
1841999390,3cyclictest7408-21ls10:00:081
177391390,1ptp4l401ktimersoftd/313:33:513
177391390,1ptp4l401ktimersoftd/312:41:373
177391390,1ptp4l401ktimersoftd/311:46:193
177391390,1ptp4l401ktimersoftd/311:46:193
177391390,1ptp4l401ktimersoftd/310:48:293
18425993829,5cyclictest33-21ksoftirqd/210:15:002
1841999382,29cyclictest30232-21apt-get13:00:051
1841999381,29cyclictest21704-21apt-get08:14:571
177391380,1ptp4l401ktimersoftd/313:35:383
177391380,1ptp4l401ktimersoftd/313:24:593
177391380,1ptp4l401ktimersoftd/313:15:023
177391380,1ptp4l401ktimersoftd/313:03:383
177391380,1ptp4l401ktimersoftd/311:55:493
177391380,1ptp4l401ktimersoftd/311:53:563
177391380,1ptp4l401ktimersoftd/311:53:563
177391380,1ptp4l401ktimersoftd/311:27:233
177391380,1ptp4l401ktimersoftd/310:44:413
177391380,1ptp4l401ktimersoftd/310:38:333
172412382,22sleep117351-21awk08:05:071
1843599372,31cyclictest0-21swapper/310:10:013
18435993717,17cyclictest2182-21tr12:30:053
1841999370,4cyclictest2756-21ssh10:36:291
1841999370,3cyclictest0-21swapper/112:30:081
177391370,1ptp4l401ktimersoftd/312:51:263
177391370,1ptp4l401ktimersoftd/312:12:403
177391370,1ptp4l401ktimersoftd/312:01:433
177391370,1ptp4l401ktimersoftd/311:19:353
177391370,1ptp4l401ktimersoftd/310:27:003
177391370,0ptp4l401ktimersoftd/312:38:303
18435993621,12cyclictest41-21ksoftirqd/308:30:013
18435993620,13cyclictest41-21ksoftirqd/308:23:013
18435993614,18cyclictest17224-21sh11:32:193
1843599360,5cyclictest3336-21date08:44:473
18425993623,8cyclictest33-21ksoftirqd/213:15:042
1841999360,4cyclictest5021-21ssh13:06:201
1841999360,4cyclictest30415-21cron11:09:501
1841999360,4cyclictest27796-21latency13:30:131
1841999360,4cyclictest17446-21fschecks_count13:20:091
1841999360,3cyclictest708-21sh13:35:211
1841999360,3cyclictest6133-21cstates08:50:031
1841999360,3cyclictest10854-21ssh12:02:071
18412993630,3cyclictest9-21ksoftirqd/012:59:520
177391360,1ptp4l401ktimersoftd/313:22:393
177391360,1ptp4l401ktimersoftd/311:03:303
177391360,1ptp4l401ktimersoftd/310:52:113
177391360,1ptp4l401ktimersoftd/310:20:453
1843599352,27cyclictest8267-21apt-get08:55:013
1843599350,4cyclictest4851-21grep08:45:113
1843599350,4cyclictest20112-21date08:10:143
1841999357,25cyclictest30189-21cut09:40:041
1841999352,4cyclictest0-21swapper/110:40:031
1841999352,29cyclictest0-21swapper/111:35:041
1841999352,29cyclictest0-21swapper/111:35:041
18419993510,22cyclictest28027-21if_ens309:35:061
18419993510,22cyclictest26970-21sed12:55:231
1841999350,5cyclictest12000-21/usr/sbin/munin10:10:041
1841999350,4cyclictest30623-21chrt08:31:261
1841999350,4cyclictest23657-21forks11:40:061
1841999350,4cyclictest21358-21irqrtprio12:50:121
1841999350,4cyclictest19046-21mailstats09:15:111
1841999350,4cyclictest1194-21rm12:29:001
1841999350,3cyclictest29915-21sensors_temp10:30:131
1841999350,3cyclictest21853-21sendmail-msp10:59:501
1841999350,3cyclictest21842-21taskset10:20:251
18412993527,4cyclictest9-21ksoftirqd/012:00:060
1843599348,23cyclictest636-21dbus-daemon13:05:163
1843599342,26cyclictest0-21swapper/309:25:013
1843599340,4cyclictest5692-21proc_pri09:55:123
1843599340,4cyclictest20143-21ssh10:56:503
1843599340,3cyclictest0-21swapper/311:20:103
1841999349,22cyclictest22400-21grep12:15:151
1841999343,26cyclictest0-21swapper/109:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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