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2026-03-22 - 03:48
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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 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911810,5ptp4l401ktimersoftd/320:03:283
2323821790,5sleep31992299cyclictest00:25:313
1710921430,3sleep21991699cyclictest00:20:122
232782850,18sleep10-21swapper/120:10:191
106891790,1ptp4l401ktimersoftd/300:49:293
106891700,1ptp4l401ktimersoftd/323:35:143
30122680,6sleep13006-21fschecks_count00:05:261
118462650,4sleep31992299cyclictest01:20:273
196292645,10sleep00-21swapper/020:02:510
183632640,12sleep10-21swapper/120:00:251
271482600,5sleep01990599cyclictest23:24:370
106891580,1ptp4l401ktimersoftd/322:46:323
106891560,1ptp4l401ktimersoftd/301:04:173
7482550,5sleep31992299cyclictest01:09:313
196842550,2sleep20-21swapper/222:10:282
195942554,38sleep20-21swapper/220:02:252
75742540,4sleep341-21ksoftirqd/322:30:363
280912540,1sleep20-21swapper/201:04:082
1991699546,18cyclictest31545-21grep21:35:182
1991699545,13cyclictest3165-21/usr/sbin/munin23:00:312
19916995411,11cyclictest2907-21threads21:40:342
19916995411,11cyclictest2907-21threads21:40:342
19916995410,10cyclictest15340-21tr23:45:252
106891540,1ptp4l401ktimersoftd/322:04:153
106891530,1ptp4l401ktimersoftd/323:03:283
1991699525,13cyclictest1853-21ssh01:10:282
1991699516,17cyclictest29901-21/usr/sbin/munin00:00:322
1991699515,13cyclictest9228-21date23:39:042
1991699514,12cyclictest15911-21ssh23:12:202
1991699508,7cyclictest204342sh01:29:242
1991699507,12cyclictest17563-21/usr/sbin/munin21:05:252
106891490,2ptp4l1388-21kworker/3:223:16:353
106891480,0ptp4l401ktimersoftd/321:56:373
1991699474,13cyclictest23246-21grep20:10:192
106891470,1ptp4l401ktimersoftd/320:29:143
106891470,0ptp4l401ktimersoftd/322:57:433
1991699464,13cyclictest9457-21ssh23:05:322
1991699464,11cyclictest20102-21acpi20:05:172
1991699440,10cyclictest1474-21smartctl22:25:242
106891440,1ptp4l401ktimersoftd/321:30:143
106891430,1ptp4l401ktimersoftd/320:56:133
106891410,1ptp4l401ktimersoftd/321:10:283
106891400,2ptp4l9246-21kworker/3:023:44:003
106891400,1ptp4l401ktimersoftd/300:34:473
1991699399,12cyclictest5160-21/usr/sbin/munin00:40:292
106891390,1ptp4l401ktimersoftd/322:18:203
106891380,1ptp4l401ktimersoftd/323:48:283
106891380,1ptp4l401ktimersoftd/323:06:373
106891380,1ptp4l401ktimersoftd/301:27:493
106891380,1ptp4l401ktimersoftd/300:08:513
106891380,0ptp4l401ktimersoftd/322:41:123
4772370,5sleep2474-21ssh23:30:262
1991699379,13cyclictest28642-21ssh22:52:192
106891370,1ptp4l401ktimersoftd/323:26:533
106891370,1ptp4l401ktimersoftd/323:26:533
106891370,1ptp4l401ktimersoftd/323:23:093
106891370,1ptp4l401ktimersoftd/322:07:223
106891370,1ptp4l401ktimersoftd/301:34:183
106891370,1ptp4l401ktimersoftd/301:13:123
106891370,1ptp4l401ktimersoftd/300:58:043
106891370,1ptp4l401ktimersoftd/300:43:503
106891370,1ptp4l401ktimersoftd/300:35:363
106891370,1ptp4l401ktimersoftd/300:13:073
106891370,0ptp4l401ktimersoftd/322:36:303
106891370,0ptp4l401ktimersoftd/300:51:563
106891370,0ptp4l401ktimersoftd/300:15:553
1991699369,13cyclictest29145-21ssh01:05:262
19910993630,3cyclictest25-21ksoftirqd/123:45:111
19910993630,3cyclictest25-21ksoftirqd/123:15:101
106891360,1ptp4l401ktimersoftd/323:13:203
106891360,1ptp4l401ktimersoftd/322:29:023
106891360,1ptp4l401ktimersoftd/320:14:203
106891360,0ptp4l401ktimersoftd/320:51:463
1991699356,17cyclictest23808-21runrttasks01:31:502
106891350,1ptp4l401ktimersoftd/321:05:293
106891350,1ptp4l401ktimersoftd/301:16:203
1991699346,14cyclictest17902-21perl00:20:272
106891340,2ptp4l15061-21kworker/3:122:13:473
106891340,2ptp4l14821-21kworker/3:223:52:263
1991699336,17cyclictest9838-21ssh01:17:562
156102330,2sleep10-21swapper/122:05:491
106891330,2ptp4l27943-21kworker/3:123:30:483
106891330,10ptp4l401ktimersoftd/322:23:203
19910993227,3cyclictest25-21ksoftirqd/123:35:111
19910993225,3cyclictest25-21ksoftirqd/100:20:231
106891320,1ptp4l401ktimersoftd/321:45:593
106891320,1ptp4l401ktimersoftd/321:44:323
106891320,1ptp4l401ktimersoftd/321:44:323
106891320,1ptp4l401ktimersoftd/300:20:213
106891320,0ptp4l401ktimersoftd/323:56:483
1991699318,9cyclictest16908-21irqstats22:40:292
1991699317,9cyclictest24995-21snmp_o5powerctl22:15:352
1991699313,9cyclictest8676-21ssh22:32:162
1991699313,11cyclictest0-21swapper/220:20:342
1991699313,11cyclictest0-21swapper/200:34:072
1991699313,10cyclictest31462-21ssh22:22:372
1991099312,23cyclictest0-21swapper/123:45:231
19905993117,6cyclictest101ktimersoftd/021:30:210
106891310,1ptp4l401ktimersoftd/320:45:243
106891310,1ptp4l401ktimersoftd/320:19:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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