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2025-11-25 - 04:49
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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 Tue Nov 25, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911050,4ptp4l401ktimersoftd/320:17:263
211052860,2sleep30-21swapper/323:04:183
18124997563,6cyclictest9-21ksoftirqd/000:39:130
177391730,1ptp4l401ktimersoftd/300:12:093
80712710,1sleep20-21swapper/200:02:272
177391700,1ptp4l401ktimersoftd/323:43:323
255752650,2sleep20-21swapper/222:34:142
141672650,1sleep20-21swapper/222:21:132
271052630,6sleep3391rcuc/300:24:003
177552634,10sleep00-21swapper/020:15:250
177391630,2ptp4l401ktimersoftd/300:54:203
18124995946,6cyclictest9-21ksoftirqd/020:29:060
37632560,1sleep10-21swapper/101:46:561
177391560,1ptp4l401ktimersoftd/301:22:303
16822560,1sleep10-21swapper/120:49:151
18124995544,5cyclictest9-21ksoftirqd/023:04:100
18124995443,5cyclictest9-21ksoftirqd/022:39:100
18124995441,6cyclictest9-21ksoftirqd/021:29:090
177391540,1ptp4l401ktimersoftd/323:13:563
177391530,1ptp4l401ktimersoftd/322:34:113
18124995240,6cyclictest9-21ksoftirqd/022:59:080
18124995240,6cyclictest9-21ksoftirqd/022:59:080
18124995238,8cyclictest9-21ksoftirqd/020:49:080
219142510,2sleep00-21swapper/000:17:580
87832500,2sleep20-21swapper/221:04:132
18124995041,4cyclictest9-21ksoftirqd/000:54:120
18124995039,5cyclictest9-21ksoftirqd/001:19:140
240482490,5sleep1241ktimersoftd/123:08:421
18124994736,5cyclictest9-21ksoftirqd/022:29:100
177391470,1ptp4l401ktimersoftd/322:43:043
177391460,2ptp4l25237-21kworker/3:023:01:193
177391460,2ptp4l25237-21kworker/3:023:01:193
177391460,2ptp4l25237-21kworker/3:021:28:023
177391450,1ptp4l401ktimersoftd/300:41:473
18124994337,3cyclictest9-21ksoftirqd/022:49:020
177391430,2ptp4l25237-21kworker/3:022:51:553
18124994237,3cyclictest9-21ksoftirqd/022:19:020
18124994231,5cyclictest9-21ksoftirqd/020:39:080
177391410,1ptp4l401ktimersoftd/323:59:113
177391410,1ptp4l401ktimersoftd/323:15:133
177391400,1ptp4l401ktimersoftd/322:44:533
18124993926,10cyclictest9-21ksoftirqd/001:34:310
177391390,1ptp4l401ktimersoftd/323:50:493
177391380,1ptp4l401ktimersoftd/323:48:393
177391380,1ptp4l401ktimersoftd/323:21:413
177391380,1ptp4l401ktimersoftd/322:54:313
177391380,1ptp4l401ktimersoftd/321:34:243
177391380,1ptp4l401ktimersoftd/301:09:463
177391380,1ptp4l401ktimersoftd/301:07:343
18124993732,3cyclictest9-21ksoftirqd/021:48:560
18124993728,6cyclictest9-21ksoftirqd/000:49:130
177391370,1ptp4l401ktimersoftd/323:56:153
177391370,1ptp4l401ktimersoftd/322:28:063
177391370,1ptp4l401ktimersoftd/322:19:013
177391370,1ptp4l401ktimersoftd/301:35:283
177391370,1ptp4l401ktimersoftd/301:30:543
177391370,1ptp4l401ktimersoftd/301:24:573
177391370,1ptp4l401ktimersoftd/301:14:093
177391370,1ptp4l401ktimersoftd/300:05:423
177391370,0ptp4l401ktimersoftd/322:32:023
177391370,0ptp4l401ktimersoftd/321:10:543
177391370,0ptp4l401ktimersoftd/321:10:543
177391370,0ptp4l401ktimersoftd/300:51:003
177391370,0ptp4l401ktimersoftd/300:30:063
64872360,4sleep36488-21sh23:24:183
177391360,1ptp4l401ktimersoftd/321:19:193
177391360,1ptp4l401ktimersoftd/301:43:003
18124993522,10cyclictest9-21ksoftirqd/022:44:270
177391350,2ptp4l19315-21kworker/3:100:25:563
177391350,1ptp4l401ktimersoftd/323:30:433
177391350,1ptp4l401ktimersoftd/300:34:453
177391350,0ptp4l401ktimersoftd/300:45:203
310432340,4sleep11813099cyclictest23:51:011
18124993428,3cyclictest9-21ksoftirqd/000:44:150
18124993427,4cyclictest9-21ksoftirqd/022:08:570
18124993423,9cyclictest9-21ksoftirqd/001:09:150
18124993329,2cyclictest111rcuc/001:44:190
18124993321,9cyclictest9-21ksoftirqd/022:09:120
177391330,2ptp4l25237-21kworker/3:021:50:323
177391330,1ptp4l401ktimersoftd/323:35:413
177391330,1ptp4l401ktimersoftd/320:47:293
177391330,1ptp4l401ktimersoftd/320:27:263
177391330,11ptp4l401ktimersoftd/300:59:173
53612320,4sleep125-21ksoftirqd/122:47:581
18135993227,3cyclictest33-21ksoftirqd/201:34:202
18124993227,3cyclictest9-21ksoftirqd/023:24:280
18124993227,3cyclictest9-21ksoftirqd/021:28:550
18124993227,3cyclictest9-21ksoftirqd/001:09:010
18124993226,3cyclictest9-21ksoftirqd/000:34:170
18124993220,10cyclictest9-21ksoftirqd/020:19:120
18124993218,11cyclictest9-21ksoftirqd/023:59:280
1794823210,11sleep125-21ksoftirqd/120:17:561
177391320,1ptp4l401ktimersoftd/320:29:403
173692327,11sleep20-21swapper/220:14:262
18143993126,3cyclictest41-21ksoftirqd/300:14:183
18124993126,3cyclictest9-21ksoftirqd/023:34:190
18124993126,3cyclictest9-21ksoftirqd/022:34:190
18124993126,3cyclictest9-21ksoftirqd/021:54:140
18124993126,3cyclictest9-21ksoftirqd/000:09:000
18124993125,4cyclictest9-21ksoftirqd/023:14:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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