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2026-06-06 - 20:21
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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 Jun 06, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380321820,5sleep21517999cyclictest00:21:092
2853621310,4sleep31518799cyclictest00:46:313
1068911040,3ptp4l401ktimersoftd/320:44:363
33652760,4sleep23369-21ptp4l-jitter00:52:362
15187996857,6cyclictest41-21ksoftirqd/323:07:233
15187996855,7cyclictest41-21ksoftirqd/300:52:263
106891650,1ptp4l401ktimersoftd/323:19:153
218412640,2sleep30-21swapper/323:00:043
15187996349,7cyclictest41-21ksoftirqd/321:47:223
10612630,2sleep00-21swapper/023:44:290
15187996147,7cyclictest41-21ksoftirqd/322:52:243
164722600,2sleep20-21swapper/200:32:532
302052590,4sleep030204-21basename23:42:120
294972590,1sleep30-21swapper/301:52:363
15187995946,7cyclictest41-21ksoftirqd/321:17:193
106891590,1ptp4l401ktimersoftd/301:02:483
15187995847,5cyclictest41-21ksoftirqd/323:22:253
15187995846,6cyclictest41-21ksoftirqd/321:57:223
15187995646,6cyclictest41-21ksoftirqd/302:07:273
15173995644,6cyclictest25-21ksoftirqd/123:37:231
15187995440,7cyclictest41-21ksoftirqd/322:32:243
266012530,1sleep10-21swapper/122:17:101
15187995344,5cyclictest41-21ksoftirqd/301:42:273
123792530,2sleep00-21swapper/021:47:100
75162520,1sleep00-21swapper/000:57:320
15187995244,4cyclictest41-21ksoftirqd/300:12:253
15173995241,5cyclictest25-21ksoftirqd/101:17:241
15187995138,6cyclictest41-21ksoftirqd/323:12:233
15173995138,5cyclictest25-21ksoftirqd/100:48:411
148022514,34sleep20-21swapper/220:43:402
106891510,1ptp4l401ktimersoftd/300:51:333
15173995038,5cyclictest25-21ksoftirqd/102:02:281
15173994937,6cyclictest25-21ksoftirqd/100:02:241
106891490,1ptp4l401ktimersoftd/300:18:373
15187994836,6cyclictest41-21ksoftirqd/322:22:223
15173994836,6cyclictest25-21ksoftirqd/123:47:241
15187994635,6cyclictest41-21ksoftirqd/302:12:273
15187994420,4cyclictest41-21ksoftirqd/322:48:053
15187994420,4cyclictest41-21ksoftirqd/322:48:053
1517999440,6cyclictest0-21swapper/201:47:262
106891440,1ptp4l401ktimersoftd/302:06:033
15173994331,5cyclictest25-21ksoftirqd/121:52:211
106891430,1ptp4l401ktimersoftd/301:26:523
106891430,0ptp4l401ktimersoftd/321:23:013
150542426,26sleep10-21swapper/120:46:581
106891420,1ptp4l401ktimersoftd/301:12:243
15187994131,5cyclictest41-21ksoftirqd/321:02:213
15187994130,5cyclictest41-21ksoftirqd/300:57:263
15173994133,4cyclictest25-21ksoftirqd/101:02:251
15187994029,4cyclictest41-21ksoftirqd/300:32:133
15187994018,7cyclictest41-21ksoftirqd/321:37:313
106891400,17ptp4l401ktimersoftd/323:55:003
15187993913,4cyclictest41-21ksoftirqd/323:27:273
1517999391,6cyclictest0-21swapper/200:47:252
106891390,1ptp4l401ktimersoftd/323:49:533
15187993816,4cyclictest41-21ksoftirqd/321:52:333
1517999384,28cyclictest3868-21ssh01:27:262
106891380,1ptp4l401ktimersoftd/323:59:433
106891380,1ptp4l401ktimersoftd/301:33:463
106891380,1ptp4l401ktimersoftd/301:21:103
106891380,1ptp4l401ktimersoftd/300:40:253
106891380,1ptp4l401ktimersoftd/300:24:013
15187993726,6cyclictest41-21ksoftirqd/320:52:203
15187993721,8cyclictest41-21ksoftirqd/323:37:263
15187993714,4cyclictest41-21ksoftirqd/300:02:403
1517999373,28cyclictest0-21swapper/201:37:262
1517999372,4cyclictest0-21swapper/223:32:232
15173993727,4cyclictest25-21ksoftirqd/121:37:221
106891370,1ptp4l401ktimersoftd/323:46:373
106891370,1ptp4l401ktimersoftd/323:03:053
106891370,1ptp4l401ktimersoftd/322:07:343
106891370,1ptp4l401ktimersoftd/301:57:233
106891370,1ptp4l401ktimersoftd/301:48:563
106891370,1ptp4l401ktimersoftd/301:41:093
106891370,1ptp4l401ktimersoftd/301:07:183
106891370,1ptp4l401ktimersoftd/300:07:513
1517999369,5cyclictest12469-21irqrtprio01:02:322
1517999363,5cyclictest0-21swapper/220:57:192
1517999363,5cyclictest0-21swapper/220:57:192
15179993613,20cyclictest5485-21date02:02:152
15179993613,20cyclictest3589-21cut01:27:152
15179993612,21cyclictest15632-21expr02:12:292
15173993624,5cyclictest25-21ksoftirqd/121:27:221
106891360,1ptp4l401ktimersoftd/300:33:083
15187993517,6cyclictest41-21ksoftirqd/322:17:303
1517999352,4cyclictest0-21swapper/221:32:202
15179993512,20cyclictest25593-21/usr/sbin/munin23:37:342
15179993510,4cyclictest3914-21sed21:27:292
106891350,1ptp4l401ktimersoftd/323:33:023
106891350,0ptp4l401ktimersoftd/322:39:303
15187993422,3cyclictest41-21ksoftirqd/301:27:433
15187993412,7cyclictest41-21ksoftirqd/321:27:313
1517999343,9cyclictest10512-21apt-get02:07:282
1517999342,5cyclictest0-21swapper/222:27:222
15179993412,3cyclictest1289-21expr23:12:242
15179993412,19cyclictest9890-21sh23:21:072
15173993429,3cyclictest25-21ksoftirqd/121:17:091
15173993429,3cyclictest25-21ksoftirqd/101:44:431
15173993423,5cyclictest25-21ksoftirqd/122:17:231
15173993421,3cyclictest25-21ksoftirqd/121:47:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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