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2026-05-20 - 05:17
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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 Wed May 20, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2350021720,4sleep01402699cyclictest00:33:090
2444221560,5sleep11403099cyclictest00:01:061
2052321400,3sleep21403599cyclictest00:30:102
106891990,3ptp4l401ktimersoftd/320:35:193
124832730,3sleep20-21swapper/220:33:042
106891700,1ptp4l401ktimersoftd/323:34:313
106891690,1ptp4l401ktimersoftd/322:53:563
120822610,2sleep30-21swapper/322:42:473
137372574,42sleep00-21swapper/020:35:170
106891570,1ptp4l401ktimersoftd/323:23:163
41142560,2sleep00-21swapper/021:22:590
106891560,1ptp4l401ktimersoftd/322:35:183
28672550,3sleep2321ktimersoftd/201:53:052
106891550,1ptp4l401ktimersoftd/323:56:413
98202530,2sleep29821-21ssh01:58:552
117932534,34sleep10-21swapper/120:32:521
177952510,13sleep30-21swapper/300:28:023
106891490,1ptp4l401ktimersoftd/323:50:163
106891480,1ptp4l401ktimersoftd/322:47:583
106891440,1ptp4l401ktimersoftd/322:23:163
1403099403,34cyclictest30839-21sed22:18:031
1402699404,9cyclictest10771-21ssh01:28:040
106891390,1ptp4l401ktimersoftd/323:05:243
1403099383,7cyclictest7663-21apt-get01:58:051
1403099382,5cyclictest28714-21apt-get01:13:031
14030993814,21cyclictest24612-21sh01:08:081
14030993813,22cyclictest22821-21if_ens322:53:041
14030993813,21cyclictest17488-21cstates22:48:011
106891380,1ptp4l401ktimersoftd/323:58:293
106891380,1ptp4l401ktimersoftd/323:47:193
106891380,1ptp4l401ktimersoftd/323:20:373
106891380,1ptp4l401ktimersoftd/323:08:593
106891380,1ptp4l401ktimersoftd/301:44:483
106891380,1ptp4l401ktimersoftd/301:24:103
106891380,1ptp4l401ktimersoftd/301:12:203
106891380,1ptp4l401ktimersoftd/301:05:423
106891380,1ptp4l401ktimersoftd/300:34:583
106891380,1ptp4l401ktimersoftd/300:23:063
106891380,1ptp4l401ktimersoftd/300:14:163
106891380,1ptp4l401ktimersoftd/300:08:143
1403099373,6cyclictest9533-21apt-get23:13:021
14030993712,22cyclictest21669-21sh00:32:091
14030993712,22cyclictest14434-21expr00:58:031
106891370,1ptp4l401ktimersoftd/323:40:243
106891370,1ptp4l401ktimersoftd/323:28:563
106891370,1ptp4l401ktimersoftd/322:58:283
106891370,1ptp4l401ktimersoftd/322:58:283
106891370,1ptp4l401ktimersoftd/302:00:323
106891370,1ptp4l401ktimersoftd/301:55:273
106891370,1ptp4l401ktimersoftd/301:48:103
106891370,1ptp4l401ktimersoftd/301:30:243
106891370,1ptp4l401ktimersoftd/301:20:393
106891370,1ptp4l401ktimersoftd/300:56:473
106891370,1ptp4l401ktimersoftd/300:41:213
106891370,1ptp4l401ktimersoftd/300:41:213
106891370,1ptp4l401ktimersoftd/300:04:593
106891370,0ptp4l401ktimersoftd/322:44:383
106891370,0ptp4l401ktimersoftd/302:07:413
14035993630,3cyclictest33-21ksoftirqd/223:47:492
1403099369,3cyclictest24744-21fschecks_count20:57:591
14030993612,21cyclictest12670-21/usr/sbin/munin00:23:001
14030993610,4cyclictest30806-21cpu00:08:021
106891360,3ptp4l20085-21kworker/3:201:38:263
106891360,0ptp4l401ktimersoftd/300:48:483
1403099358,6cyclictest0-21swapper/101:48:161
1403099357,25cyclictest0-21swapper/101:35:101
1403099353,5cyclictest9391-21apt-get00:53:021
14030993513,19cyclictest4897-21ls22:32:471
14030993512,20cyclictest23437-21sh01:40:111
14030993512,20cyclictest20626-21sh23:57:461
14030993511,4cyclictest14673-21fschecks_time20:38:041
106891350,1ptp4l401ktimersoftd/301:16:373
106891350,10ptp4l401ktimersoftd/320:42:573
14035993428,3cyclictest33-21ksoftirqd/223:07:482
14035993427,4cyclictest33-21ksoftirqd/221:27:452
1403099349,4cyclictest29965-21irqrtprio21:08:031
1403099349,4cyclictest29965-21irqrtprio21:08:031
1403099348,3cyclictest27939-21phc2sys-jitter21:03:071
1403099348,3cyclictest27939-21phc2sys-jitter21:03:071
1403099342,8cyclictest6469-21apt-get21:27:571
1403099342,6cyclictest10768-21apt-get01:28:041
14030993412,19cyclictest19979-21sed23:23:061
1403099341,11cyclictest1990-21sed23:38:051
14030993410,3cyclictest3764-21irqrtprio01:53:101
14030993410,3cyclictest23004-21basename00:33:061
1403099340,31cyclictest15500-21ssh02:05:201
106891340,2ptp4l11019-21kworker/3:021:38:163
106891340,1ptp4l401ktimersoftd/320:58:073
106891340,1ptp4l401ktimersoftd/301:33:163
106891340,1ptp4l401ktimersoftd/301:02:403
106891340,1ptp4l401ktimersoftd/300:18:133
1403099333,8cyclictest11420-21apt-get21:37:591
1403099333,7cyclictest5098-21apt-get22:32:591
1403099332,8cyclictest4658-21apt-get23:08:001
1403099332,6cyclictest29040-21apt-get23:33:011
14030993311,3cyclictest31884-21cut00:42:501
14030993311,3cyclictest31884-21cut00:42:501
1403099330,4cyclictest3838-21/usr/sbin/munin00:13:071
1403099330,10cyclictest12456-21apt-get22:43:011
106891330,1ptp4l401ktimersoftd/322:06:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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