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2026-03-15 - 10:39
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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 Sun Mar 15, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3217021750,4sleep23214699cyclictest21:06:322
312921690,4sleep03213699cyclictest23:16:340
2495121450,5sleep13214199cyclictest00:44:361
565421310,3sleep23214699cyclictest21:16:442
2713621310,2sleep00-21swapper/022:01:420
1068911040,4ptp4l401ktimersoftd/319:57:283
193722650,1sleep10-21swapper/100:06:341
317642614,10sleep20-21swapper/219:57:422
55742580,2sleep00-21swapper/020:11:260
55742580,2sleep00-21swapper/020:11:260
32141994942,4cyclictest25-21ksoftirqd/100:31:321
105791480,5getstats3215499cyclictest20:42:163
32141994739,4cyclictest25-21ksoftirqd/122:56:291
189322470,2sleep30-21swapper/322:59:353
32141994640,3cyclictest25-21ksoftirqd/122:16:291
32141994235,4cyclictest25-21ksoftirqd/123:16:301
106891400,1ptp4l401ktimersoftd/300:27:093
106891390,1ptp4l401ktimersoftd/323:47:173
106891390,1ptp4l401ktimersoftd/323:47:173
106891390,1ptp4l401ktimersoftd/301:18:483
106891390,1ptp4l401ktimersoftd/301:13:503
106891390,1ptp4l401ktimersoftd/300:15:533
106891390,1ptp4l401ktimersoftd/300:08:413
3215499383,27cyclictest25265-21apt-get23:06:323
3215499380,4cyclictest28247-21tune2fs22:36:323
32141993830,4cyclictest25-21ksoftirqd/101:06:331
32136993819,11cyclictest46950irq/100-ens3-Tx00:46:310
3184023820,8sleep00-21swapper/019:58:410
106891380,1ptp4l401ktimersoftd/323:53:353
106891380,1ptp4l401ktimersoftd/323:40:093
106891380,1ptp4l401ktimersoftd/323:16:443
106891380,1ptp4l401ktimersoftd/322:53:113
106891380,1ptp4l401ktimersoftd/322:34:083
106891380,1ptp4l401ktimersoftd/322:28:593
106891380,1ptp4l401ktimersoftd/322:13:183
106891380,1ptp4l401ktimersoftd/322:05:453
106891380,1ptp4l401ktimersoftd/301:31:123
106891380,1ptp4l401ktimersoftd/301:21:523
106891380,1ptp4l401ktimersoftd/300:17:193
32154993710,23cyclictest20977-21expr21:51:293
3215499370,4cyclictest5162-21mailstats00:56:433
3215499370,4cyclictest17441-21/usr/sbin/munin23:31:373
32146993730,4cyclictest2027-21cron20:06:132
32146993730,4cyclictest2027-21cron20:06:132
3214199371,33cyclictest12179-21cron20:26:141
106891370,1ptp4l401ktimersoftd/323:43:243
106891370,1ptp4l401ktimersoftd/323:27:463
106891370,1ptp4l401ktimersoftd/322:06:543
106891370,1ptp4l401ktimersoftd/301:02:433
106891370,1ptp4l401ktimersoftd/300:54:043
106891370,1ptp4l401ktimersoftd/300:42:023
106891370,1ptp4l401ktimersoftd/300:38:453
106891370,1ptp4l401ktimersoftd/300:33:203
106891370,1ptp4l401ktimersoftd/300:22:473
106891360,1ptp4l401ktimersoftd/323:22:423
106891360,1ptp4l401ktimersoftd/300:05:243
106891360,0ptp4l401ktimersoftd/322:00:143
106891360,0ptp4l401ktimersoftd/322:00:143
3215499352,30cyclictest13411-21ls21:36:153
32154993510,22cyclictest16621-21if_enp1s0.121:41:323
32146993515,17cyclictest33-21ksoftirqd/223:46:192
32146993515,17cyclictest33-21ksoftirqd/223:46:192
32146993515,12cyclictest47150irq/102-ens3-Tx22:26:282
3215499342,25cyclictest22183-21apt-get20:46:263
32154993414,17cyclictest27954-21timerandwakeup00:46:483
32154993413,18cyclictest4229-21ptp4l20:06:363
32154993413,18cyclictest30147-21sed21:01:323
32154993411,19cyclictest3851-21latency_hist21:16:163
3215499340,7cyclictest0-21swapper/322:41:443
32154993312,18cyclictest8724-21cat22:16:353
32154993312,18cyclictest5599-21sed21:16:443
32154993311,19cyclictest13922-21timedrift20:26:413
3215499330,3cyclictest5817-21diskstats22:46:323
3215499330,3cyclictest17339-21sh22:25:563
3215499330,3cyclictest14586-21irqrtprio01:06:393
32141993324,5cyclictest25-21ksoftirqd/123:41:311
3215499328,20cyclictest1106-21tail20:01:353
3215499328,20cyclictest1106-21tail20:01:353
3215499327,21cyclictest17164-21/usr/sbin/munin20:36:323
3215499322,4cyclictest0-21swapper/320:21:263
3215499320,4cyclictest7732-21snmp_o5powerctl21:21:423
32141993227,3cyclictest25-21ksoftirqd/123:31:181
32141993226,3cyclictest25-21ksoftirqd/101:31:201
32141993223,5cyclictest25-21ksoftirqd/123:56:311
32141993223,5cyclictest25-21ksoftirqd/100:16:301
31742320,2sleep00-21swapper/001:27:390
3215499318,20cyclictest25149-21if_ens320:51:313
3215499317,20cyclictest6049-21irqrtprio20:11:313
3215499317,20cyclictest6049-21irqrtprio20:11:313
3215499314,3cyclictest31736-21sort21:06:283
3215499310,3cyclictest31290-21rm23:11:373
32146993124,4cyclictest33-21ksoftirqd/220:36:142
32141993125,3cyclictest25-21ksoftirqd/123:11:181
32141993125,3cyclictest25-21ksoftirqd/100:31:201
32141993118,4cyclictest25-21ksoftirqd/123:46:451
32141993118,4cyclictest25-21ksoftirqd/123:46:451
3215499308,19cyclictest14025-21fschecks_count21:36:303
3215499307,20cyclictest16369-21cat20:31:413
3215499307,19cyclictest11027-21latency_hist21:31:153
3215499304,3cyclictest9293-21wc20:16:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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