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2025-11-28 - 21:52
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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 Fri Nov 28, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1238022340,2sleep00-21swapper/008:16:240
3080221760,4sleep31293699cyclictest10:01:163
2350421680,3sleep31293699cyclictest09:46:143
110021560,5sleep31293699cyclictest10:06:213
1773911030,4ptp4l401ktimersoftd/308:16:193
213122640,4sleep0101ktimersoftd/010:36:540
57972620,4sleep11292099cyclictest10:59:151
113062580,1sleep20-21swapper/211:45:492
4632560,2sleep00-21swapper/012:11:160
1293699551,18cyclictest31580-21chrt12:10:273
327112540,3sleep30-21swapper/312:51:183
12927995315,20cyclictest2871-21taskset11:35:122
12936994713,5cyclictest41-21ksoftirqd/311:21:283
12936994410,6cyclictest41-21ksoftirqd/309:01:213
12920994436,4cyclictest25-21ksoftirqd/113:01:101
1293699437,5cyclictest41-21ksoftirqd/310:42:593
12936994315,7cyclictest41-21ksoftirqd/310:32:023
12920994337,3cyclictest25-21ksoftirqd/112:56:121
12920994337,3cyclictest25-21ksoftirqd/112:31:081
12936994219,10cyclictest41-21ksoftirqd/310:30:543
12936994216,10cyclictest41-21ksoftirqd/312:57:463
1292799424,29cyclictest32419-21ssh13:31:102
118062423,24sleep210687-21/usr/sbin/munin08:16:152
1293699408,5cyclictest41-21ksoftirqd/313:13:273
1293699408,5cyclictest41-21ksoftirqd/311:50:083
1293699407,6cyclictest41-21ksoftirqd/311:56:393
1293699407,5cyclictest41-21ksoftirqd/310:37:523
12936994012,4cyclictest41-21ksoftirqd/312:14:163
1292799402,31cyclictest15869-21apt-get11:51:062
313932390,4sleep1241ktimersoftd/111:30:541
1293699399,5cyclictest41-21ksoftirqd/312:42:423
1293699397,5cyclictest41-21ksoftirqd/313:38:563
1293699397,5cyclictest41-21ksoftirqd/312:33:143
1293699397,5cyclictest41-21ksoftirqd/311:06:223
1293699397,5cyclictest41-21ksoftirqd/311:01:313
1293699396,5cyclictest41-21ksoftirqd/312:04:303
1293699396,5cyclictest41-21ksoftirqd/311:45:073
1293699395,5cyclictest41-21ksoftirqd/311:10:573
1293699395,5cyclictest41-21ksoftirqd/310:21:463
12936993914,9cyclictest41-21ksoftirqd/309:56:113
12936993914,9cyclictest41-21ksoftirqd/309:56:113
12936993911,7cyclictest41-21ksoftirqd/313:17:063
1293699390,7cyclictest41-21ksoftirqd/312:25:393
1292799393,29cyclictest28304-21apt-get13:26:082
177391380,1ptp4l401ktimersoftd/313:33:243
177391380,1ptp4l401ktimersoftd/313:27:273
177391380,1ptp4l401ktimersoftd/312:37:183
177391380,1ptp4l401ktimersoftd/312:16:443
177391380,1ptp4l401ktimersoftd/311:37:203
177391380,1ptp4l401ktimersoftd/311:37:203
177391380,1ptp4l401ktimersoftd/311:35:263
1293699387,5cyclictest41-21ksoftirqd/311:51:053
1293699387,5cyclictest41-21ksoftirqd/310:46:053
1293699386,5cyclictest41-21ksoftirqd/313:41:103
1292799383,29cyclictest0-21swapper/213:46:132
1292799383,27cyclictest14965-21apt-get11:11:062
1292799382,31cyclictest0-21swapper/212:21:082
1292799382,29cyclictest23929-21apt-get12:01:092
177391370,1ptp4l401ktimersoftd/313:48:533
177391370,1ptp4l401ktimersoftd/313:23:023
177391370,1ptp4l401ktimersoftd/312:46:163
177391370,1ptp4l401ktimersoftd/311:16:553
177391370,1ptp4l401ktimersoftd/310:59:473
177391370,1ptp4l401ktimersoftd/308:47:283
177391370,1ptp4l401ktimersoftd/308:45:053
177391370,1ptp4l401ktimersoftd/308:28:593
177391370,0ptp4l401ktimersoftd/313:02:233
177391370,0ptp4l401ktimersoftd/312:29:323
1293699377,5cyclictest41-21ksoftirqd/310:52:103
1293699377,4cyclictest41-21ksoftirqd/311:30:233
12920993719,3cyclictest25-21ksoftirqd/111:46:041
1293699365,4cyclictest41-21ksoftirqd/313:07:343
1292799363,27cyclictest0-21swapper/210:36:042
1292799362,28cyclictest0-21swapper/213:41:132
1292799362,27cyclictest19802-21apt-get09:41:032
12927993615,17cyclictest29443-21sh10:47:072
12927993610,23cyclictest16091-21cut10:31:132
1292799360,5cyclictest7592-21gltestperf13:01:132
1292799360,3cyclictest26119-21grep08:46:072
1292799360,3cyclictest15691-21date11:50:562
12920993630,3cyclictest25-21ksoftirqd/112:50:561
12920993629,4cyclictest25-21ksoftirqd/110:26:141
1292799359,22cyclictest12574-21grep12:26:152
1292799353,26cyclictest24555-21apt-get09:51:052
1292799353,26cyclictest24555-21apt-get09:51:052
1292799352,27cyclictest0-21swapper/211:16:062
1292799350,6cyclictest20472-21/usr/sbin/munin12:36:252
1292799350,4cyclictest23613-21grep12:41:132
1292799350,3cyclictest3176-21grep10:56:102
1292799350,3cyclictest0-21swapper/211:26:072
12920993529,4cyclictest25-21ksoftirqd/108:50:511
12920993529,3cyclictest25-21ksoftirqd/112:20:561
1292099351,3cyclictest0-21swapper/110:20:531
12915993529,4cyclictest29188-21cron10:00:520
12915993529,4cyclictest29188-21cron10:00:520
1292799349,22cyclictest20518-21uname13:16:182
1292799348,23cyclictest3975-21fschecks_time11:36:122
1292799348,23cyclictest3975-21fschecks_time11:36:122
1292799348,23cyclictest23861-21gltestperf11:21:122
1292799343,25cyclictest0-21swapper/209:06:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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