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2026-05-01 - 03:42
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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 May 01, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2135921740,3sleep22934499cyclictest23:30:542
1068911610,4ptp4l401ktimersoftd/320:24:473
2938021580,3sleep02933199cyclictest00:42:470
96562680,2sleep00-21swapper/000:57:000
96562680,2sleep00-21swapper/000:57:000
81002670,2sleep00-21swapper/001:28:160
46402650,5sleep125-21ksoftirqd/121:47:351
153412640,5sleep12933799cyclictest01:36:481
57582630,1sleep00-21swapper/023:14:300
29352996352,5cyclictest41-21ksoftirqd/323:42:293
29352996255,3cyclictest41-21ksoftirqd/322:57:293
171812610,2sleep20-21swapper/200:32:012
2934499609,12cyclictest32487-21latency_hist00:47:192
2934499598,14cyclictest5162-21grep22:42:162
2934499589,13cyclictest25779-21gltestperf00:07:342
29344995810,10cyclictest29610-21sshd23:07:032
2934499579,20cyclictest10959-21/usr/sbin/munin01:32:452
2934499579,12cyclictest20568-21irqrtprio21:12:332
29344995711,11cyclictest10601-21expr22:47:312
29344995710,11cyclictest6817-21gzip22:42:412
106891570,1ptp4l401ktimersoftd/301:08:173
2934499568,13cyclictest1648-21open_files23:42:382
29344995610,11cyclictest16696-21swap01:02:472
29352995542,6cyclictest41-21ksoftirqd/300:42:313
2934499558,19cyclictest23959-21latency00:37:392
2934499557,13cyclictest13284-21/usr/sbin/munin23:22:342
2934499549,11cyclictest29693-21cat01:17:202
2934499549,10cyclictest23853-21cut22:27:342
2934499549,10cyclictest2380-21latency_hist00:17:192
2934499548,13cyclictest30948-21awk20:27:412
2934499547,13cyclictest31676-21cut01:52:362
2934499546,12cyclictest29548-21unixbench_multi23:37:472
29344995410,11cyclictest5152-21cat20:42:272
106891540,1ptp4l401ktimersoftd/323:55:383
2934499539,10cyclictest16469-21open_files22:52:372
2934499537,13cyclictest3058-21date21:42:422
2934499537,12cyclictest30098-21/usr/sbin/munin23:07:422
2934499536,11cyclictest25821-21latency_hist01:47:212
2934499536,11cyclictest11309-21sed23:52:372
2934499535,18cyclictest0-21swapper/200:47:492
2934499527,12cyclictest4262-21awk20:37:422
2934499524,12cyclictest32589-21ssh22:37:172
29352995141,5cyclictest41-21ksoftirqd/323:32:303
2934499517,20cyclictest9052-21sed20:47:422
2934499517,17cyclictest16577-21ptp4l23:57:412
2934499517,12cyclictest13407-21/usr/sbin/munin22:07:322
29344995111,10cyclictest7883-21sh00:54:002
29344995111,10cyclictest7883-21sh00:54:002
29352995043,4cyclictest41-21ksoftirqd/301:37:333
29352995039,5cyclictest41-21ksoftirqd/321:42:263
29352995038,6cyclictest41-21ksoftirqd/300:52:323
29352995038,6cyclictest41-21ksoftirqd/300:52:323
2934499509,10cyclictest6729-21ssh00:21:192
2934499507,11cyclictest22670-21diskmemload01:31:202
2934499506,11cyclictest31381-21latency_hist21:37:152
318412490,2sleep10-21swapper/101:52:381
29352994937,6cyclictest41-21ksoftirqd/322:37:293
2934499497,19cyclictest17374-21timerwakeupswit22:12:442
2934499496,10cyclictest6289-21sed23:47:382
2934499495,18cyclictest0-21swapper/221:32:152
29344994910,16cyclictest4984-21chrt23:13:112
290612494,33sleep10-21swapper/120:25:051
2934499489,11cyclictest21607-21snmp_o5powerctl01:07:482
2934499487,11cyclictest22670-21diskmemload01:21:132
2934499486,11cyclictest4653-21ps21:47:352
2903524828,8sleep20-21swapper/220:24:452
106891480,1ptp4l401ktimersoftd/323:32:163
29352994738,4cyclictest41-21ksoftirqd/322:47:293
29352994737,6cyclictest41-21ksoftirqd/300:47:323
2934499475,18cyclictest0-21swapper/221:17:342
29352994636,4cyclictest41-21ksoftirqd/301:52:323
29352994437,4cyclictest41-21ksoftirqd/300:27:233
29352994434,5cyclictest41-21ksoftirqd/320:27:263
29352994415,7cyclictest41-21ksoftirqd/300:27:193
29352994410,8cyclictest41-21ksoftirqd/300:07:193
29331994439,3cyclictest0-21swapper/020:27:140
106891440,1ptp4l401ktimersoftd/323:16:383
2934499435,16cyclictest0-21swapper/221:57:432
29352994231,6cyclictest41-21ksoftirqd/321:07:263
2934499423,11cyclictest0-21swapper/200:34:072
2935299418,4cyclictest41-21ksoftirqd/300:17:193
29352994118,3cyclictest41-21ksoftirqd/301:42:403
29352994028,3cyclictest41-21ksoftirqd/301:12:313
29352994024,5cyclictest41-21ksoftirqd/323:37:373
29352994016,4cyclictest41-21ksoftirqd/320:47:303
29352994015,4cyclictest41-21ksoftirqd/321:32:333
2934499408,18cyclictest0-21swapper/223:17:292
106891400,1ptp4l401ktimersoftd/300:20:003
2935299399,5cyclictest41-21ksoftirqd/300:32:473
29352993914,4cyclictest41-21ksoftirqd/323:17:333
29352993914,4cyclictest41-21ksoftirqd/322:32:373
106891390,1ptp4l401ktimersoftd/301:32:573
2935299386,4cyclictest41-21ksoftirqd/323:12:173
29352993827,3cyclictest41-21ksoftirqd/322:02:443
29352993812,4cyclictest41-21ksoftirqd/301:17:353
29352993810,5cyclictest41-21ksoftirqd/322:12:323
29344993811,12cyclictest11012-21tail20:52:342
29344993810,12cyclictest21968-21grep22:57:452
106891380,1ptp4l401ktimersoftd/323:50:143
106891380,1ptp4l401ktimersoftd/323:26:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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