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2026-08-08 - 13:24
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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 Aug 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116621720,4sleep0723699cyclictest23:21:570
1068911090,4ptp4l401ktimersoftd/321:20:433
301622840,3sleep1724399cyclictest01:28:091
106891710,1ptp4l401ktimersoftd/323:33:483
106891710,1ptp4l401ktimersoftd/323:33:483
179002670,2sleep30-21swapper/301:49:033
70952650,5sleep07098-21irqrtprio23:27:150
70952650,5sleep07098-21irqrtprio23:27:150
111032650,2sleep20-21swapper/200:02:542
106891630,1ptp4l401ktimersoftd/302:17:133
218542610,3sleep121855-21unixbench_multi21:47:241
17892590,2sleep10-21swapper/101:32:231
191402580,2sleep30-21swapper/322:52:093
106891580,1ptp4l401ktimersoftd/302:50:063
106891570,1ptp4l401ktimersoftd/322:47:193
69302564,40sleep00-21swapper/021:19:120
106891560,1ptp4l401ktimersoftd/322:05:583
106891560,1ptp4l401ktimersoftd/301:19:293
106891550,1ptp4l401ktimersoftd/302:22:123
106891550,1ptp4l401ktimersoftd/300:59:433
106891550,1ptp4l401ktimersoftd/300:56:243
106891540,1ptp4l401ktimersoftd/301:54:083
35902530,2sleep30-21swapper/302:07:223
202622520,1sleep10-21swapper/100:12:211
7256995142,4cyclictest41-21ksoftirqd/301:12:113
7256995142,4cyclictest41-21ksoftirqd/301:12:113
7256995040,5cyclictest41-21ksoftirqd/322:17:093
7256994940,5cyclictest41-21ksoftirqd/321:57:083
7256994637,5cyclictest41-21ksoftirqd/322:12:053
7256994536,5cyclictest41-21ksoftirqd/323:07:093
7256994534,5cyclictest41-21ksoftirqd/323:45:093
7256994329,6cyclictest41-21ksoftirqd/321:32:063
106891410,1ptp4l401ktimersoftd/302:41:503
106891410,1ptp4l401ktimersoftd/302:00:383
106891410,1ptp4l401ktimersoftd/300:21:123
7256994027,6cyclictest41-21ksoftirqd/322:07:073
7248994028,6cyclictest33-21ksoftirqd/201:27:122
7236993927,7cyclictest9-21ksoftirqd/000:02:090
65242395,20sleep26650-21/usr/sbin/munin21:17:242
106891390,2ptp4l17300-21kworker/3:100:29:003
106891390,1ptp4l401ktimersoftd/301:03:413
106891390,1ptp4l401ktimersoftd/300:09:063
106891380,2ptp4l17300-21kworker/3:100:49:023
106891380,1ptp4l401ktimersoftd/323:58:553
106891380,1ptp4l401ktimersoftd/302:29:573
106891380,1ptp4l401ktimersoftd/302:16:093
106891380,1ptp4l401ktimersoftd/300:42:493
106891380,1ptp4l401ktimersoftd/300:26:213
106891380,0ptp4l401ktimersoftd/300:02:063
7256993724,3cyclictest41-21ksoftirqd/301:47:013
131802370,1sleep10-21swapper/102:17:191
106891370,1ptp4l401ktimersoftd/323:27:443
106891370,1ptp4l401ktimersoftd/323:27:443
106891370,1ptp4l401ktimersoftd/323:25:013
106891370,1ptp4l401ktimersoftd/302:42:533
106891370,1ptp4l401ktimersoftd/302:33:213
106891370,1ptp4l401ktimersoftd/302:05:393
106891370,1ptp4l401ktimersoftd/301:39:003
106891370,1ptp4l401ktimersoftd/301:32:383
106891370,1ptp4l401ktimersoftd/301:28:233
106891370,1ptp4l401ktimersoftd/301:22:533
106891370,1ptp4l401ktimersoftd/300:37:493
106891370,0ptp4l401ktimersoftd/300:13:293
7256993630,3cyclictest41-21ksoftirqd/321:41:553
106891360,1ptp4l401ktimersoftd/322:37:333
106891360,0ptp4l401ktimersoftd/323:38:163
106891350,1ptp4l401ktimersoftd/323:49:383
106891350,0ptp4l401ktimersoftd/301:08:083
106891350,0ptp4l401ktimersoftd/300:35:313
7236993419,5cyclictest9-21ksoftirqd/022:38:050
690223412,11sleep125-21ksoftirqd/121:18:531
106891330,1ptp4l401ktimersoftd/321:27:243
7256993220,10cyclictest41-21ksoftirqd/321:22:103
7248993225,4cyclictest33-21ksoftirqd/223:11:562
106891320,1ptp4l401ktimersoftd/323:55:113
7256993125,3cyclictest41-21ksoftirqd/322:36:573
7256993125,3cyclictest41-21ksoftirqd/322:27:003
7256993125,3cyclictest41-21ksoftirqd/321:51:553
140902310,1sleep00-21swapper/001:45:550
106891310,1ptp4l401ktimersoftd/322:46:433
106891310,0ptp4l401ktimersoftd/323:18:483
7256993024,3cyclictest41-21ksoftirqd/322:26:563
106891300,0ptp4l401ktimersoftd/321:54:363
106891300,0ptp4l401ktimersoftd/321:45:163
106891300,0ptp4l401ktimersoftd/321:45:163
7243992922,4cyclictest31591-21sed00:57:171
7256992822,3cyclictest41-21ksoftirqd/323:02:153
725699281,4cyclictest121rcu_preempt22:57:263
7243992821,4cyclictest16343-21grep21:37:151
7236992822,3cyclictest9-21ksoftirqd/021:54:550
724399271,3cyclictest121rcu_preempt22:38:051
7236992720,4cyclictest9-21ksoftirqd/023:46:460
7256992620,3cyclictest41-21ksoftirqd/323:12:263
724899264,12cyclictest16365-21ssh23:37:102
7248992620,4cyclictest33-21ksoftirqd/200:19:092
7248992620,3cyclictest33-21ksoftirqd/222:41:562
7248992620,3cyclictest33-21ksoftirqd/222:34:302
7248992620,3cyclictest33-21ksoftirqd/202:17:152
7248992620,3cyclictest16503-21kworker/2:102:47:232
7248992619,4cyclictest33-21ksoftirqd/222:26:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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