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2026-03-23 - 03:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot3.osadl.org (updated Mon Mar 23, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491208173,23phc2sys0-21swapper/319:07:343
30112204171,22sleep00-21swapper/019:09:140
29442204171,22sleep10-21swapper/119:08:231
27762201168,22sleep20-21swapper/219:06:122
3184621720,7sleep1336299cyclictest20:10:001
139391660,43ptp4l0-21swapper/319:10:003
139391660,43ptp4l0-21swapper/319:10:003
3363996123,6cyclictest33-21ksoftirqd/223:00:152
336199595,10cyclictest26846-21/usr/sbin/munin00:30:170
336199593,16cyclictest19675-21wc00:15:000
3363995818,6cyclictest33-21ksoftirqd/220:00:262
3363995727,4cyclictest33-21ksoftirqd/223:20:192
336199575,9cyclictest1317-21runrttasks00:01:500
336199573,15cyclictest28343-21/usr/sbin/munin21:10:140
336199573,14cyclictest616-21gdbus21:05:250
145492570,4sleep114548-21sh00:05:001
336499566,11cyclictest41-21ksoftirqd/321:35:013
336499565,9cyclictest41-21ksoftirqd/319:35:143
3364995625,9cyclictest41-21ksoftirqd/323:10:163
3363995624,8cyclictest33-21ksoftirqd/222:10:232
3363995614,5cyclictest33-21ksoftirqd/219:45:152
336199564,10cyclictest4333-21sed23:40:250
336199563,15cyclictest17632-21mailstats20:45:240
336499556,8cyclictest41-21ksoftirqd/300:05:243
336499556,8cyclictest41-21ksoftirqd/300:00:003
3363995522,6cyclictest33-21ksoftirqd/223:40:232
3363995521,6cyclictest33-21ksoftirqd/223:15:112
3363995514,6cyclictest33-21ksoftirqd/221:25:222
336199556,10cyclictest21054-21ls23:10:110
336499545,8cyclictest41-21ksoftirqd/323:35:003
336199545,8cyclictest19720-21/usr/sbin/munin00:15:230
336199541,16cyclictest1002-21df_abs21:20:150
336199541,10cyclictest6616-21cut19:15:190
336499536,8cyclictest41-21ksoftirqd/300:35:203
3364995313,4cyclictest41-21ksoftirqd/300:15:143
336199531,16cyclictest0-21swapper/021:41:460
336499526,9cyclictest41-21ksoftirqd/321:30:003
336499524,9cyclictest41-21ksoftirqd/320:55:173
336499524,9cyclictest41-21ksoftirqd/320:55:173
3363995218,6cyclictest33-21ksoftirqd/221:55:192
3363995212,6cyclictest33-21ksoftirqd/219:55:122
336199527,10cyclictest2518-21gnome-shell21:51:590
336199526,8cyclictest29314-21apt-get22:20:120
336199526,11cyclictest2518-21gnome-shell22:19:590
336199524,11cyclictest10346-21df_abs23:55:140
336199522,10cyclictest22720-21df_abs19:50:140
336199521,15cyclictest0-21swapper/022:38:060
336499515,8cyclictest41-21ksoftirqd/323:15:133
336499515,8cyclictest41-21ksoftirqd/320:05:163
336499515,10cyclictest41-21ksoftirqd/321:10:263
336499512,6cyclictest41-21ksoftirqd/322:35:003
336199513,11cyclictest14333-21date21:45:270
336199513,10cyclictest19478-21/usr/sbin/munin20:50:200
336199512,10cyclictest11586-21cpuspeed_turbos22:50:140
336499506,10cyclictest41-21ksoftirqd/319:50:173
336499505,9cyclictest41-21ksoftirqd/321:55:143
336499505,9cyclictest41-21ksoftirqd/320:50:193
336499504,8cyclictest41-21ksoftirqd/322:00:133
336499503,9cyclictest41-21ksoftirqd/321:40:243
336499503,6cyclictest41-21ksoftirqd/323:50:273
336499503,6cyclictest41-21ksoftirqd/319:20:003
336499502,7cyclictest41-21ksoftirqd/321:00:193
336499502,6cyclictest41-21ksoftirqd/320:25:203
336499502,5cyclictest41-21ksoftirqd/323:00:003
336499502,10cyclictest41-21ksoftirqd/320:00:003
336399507,5cyclictest33-21ksoftirqd/223:55:262
336399506,5cyclictest33-21ksoftirqd/221:05:252
336399506,5cyclictest33-21ksoftirqd/220:15:242
336399506,5cyclictest33-21ksoftirqd/200:20:242
336399504,6cyclictest3799-21sort19:10:182
336399504,6cyclictest3799-21sort19:10:172
3363995020,6cyclictest33-21ksoftirqd/221:00:252
3363995018,7cyclictest33-21ksoftirqd/222:20:152
3363995015,6cyclictest33-21ksoftirqd/220:55:002
3363995013,6cyclictest33-21ksoftirqd/222:05:252
336199503,16cyclictest8001-21sort21:35:110
336499495,8cyclictest41-21ksoftirqd/322:20:133
336499495,8cyclictest41-21ksoftirqd/300:25:263
336499495,10cyclictest41-21ksoftirqd/322:40:193
336499494,8cyclictest41-21ksoftirqd/321:10:013
336499493,11cyclictest41-21ksoftirqd/319:20:153
3364994917,10cyclictest41-21ksoftirqd/322:25:163
336399496,5cyclictest33-21ksoftirqd/221:10:212
336399495,5cyclictest33-21ksoftirqd/220:35:232
336399492,8cyclictest7977-21ls19:20:002
3363994911,6cyclictest33-21ksoftirqd/221:50:232
336299499,26cyclictest1317-21runrttasks20:51:191
336199493,9cyclictest22236-21cpuspeed_turbos00:20:130
336199493,17cyclictest10123-21sed20:30:210
336199493,14cyclictest26836-21date22:15:010
336499486,8cyclictest41-21ksoftirqd/321:25:003
336499486,8cyclictest41-21ksoftirqd/300:25:013
336499485,8cyclictest41-21ksoftirqd/322:47:593
336499484,8cyclictest41-21ksoftirqd/300:00:273
336499482,6cyclictest41-21ksoftirqd/323:00:253
336499482,5cyclictest41-21ksoftirqd/320:45:253
336499482,10cyclictest41-21ksoftirqd/323:10:013
3364994817,4cyclictest41-21ksoftirqd/320:02:273
336499481,6cyclictest41-21ksoftirqd/320:30:173
336499480,6cyclictest41-21ksoftirqd/323:35:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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