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2026-05-05 - 02:00
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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 rack1slot3.osadl.org (updated Tue May 05, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2447172991311,1cyclictest0-21swapper/320:05:133
244717299130,11cyclictest0-21swapper/323:50:113
244717299130,11cyclictest0-21swapper/300:15:133
244717299120,11cyclictest0-21swapper/322:50:013
244717299120,11cyclictest0-21swapper/321:50:133
244717299120,11cyclictest0-21swapper/321:50:013
244717299120,11cyclictest0-21swapper/321:10:173
244717299120,11cyclictest0-21swapper/320:20:113
244717299120,11cyclictest0-21swapper/319:35:263
244717299120,11cyclictest0-21swapper/319:10:123
2447172991110,0cyclictest0-21swapper/321:10:013
2447172991110,0cyclictest0-21swapper/319:40:113
244717299110,10cyclictest0-21swapper/323:00:013
244717299110,10cyclictest0-21swapper/322:15:163
244717299110,10cyclictest0-21swapper/320:20:013
244717299110,0cyclictest0-21swapper/323:10:113
244717299110,0cyclictest0-21swapper/321:30:003
244717299110,0cyclictest0-21swapper/320:30:163
244717299110,0cyclictest0-21swapper/319:15:123
244717299110,0cyclictest0-21swapper/300:00:183
244717299108,1cyclictest0-21swapper/322:10:113
2447172991010,0cyclictest0-21swapper/323:38:023
2447172991010,0cyclictest0-21swapper/322:30:113
2447172991010,0cyclictest0-21swapper/320:55:013
2447172991010,0cyclictest0-21swapper/300:10:173
244717299100,9cyclictest0-21swapper/323:45:013
244717299100,8cyclictest0-21swapper/320:35:113
244717299100,10cyclictest0-21swapper/320:55:013
244717299100,0cyclictest0-21swapper/321:20:173
244717299100,0cyclictest0-21swapper/320:10:113
244717299100,0cyclictest0-21swapper/320:10:113
244717299100,0cyclictest0-21swapper/300:25:013
244717299100,0cyclictest0-21swapper/300:05:163
24471729999,0cyclictest0-21swapper/323:20:173
24471729999,0cyclictest0-21swapper/323:05:023
24471729999,0cyclictest0-21swapper/323:00:133
24471729999,0cyclictest0-21swapper/322:50:193
24471729999,0cyclictest0-21swapper/322:35:153
24471729999,0cyclictest0-21swapper/322:20:193
24471729999,0cyclictest0-21swapper/321:35:183
24471729999,0cyclictest0-21swapper/320:45:193
24471729999,0cyclictest0-21swapper/300:40:013
24471729999,0cyclictest0-21swapper/300:30:123
24471729990,8cyclictest0-21swapper/323:30:013
24471729990,8cyclictest0-21swapper/321:30:183
24471729988,0cyclictest0-21swapper/321:45:003
24471729988,0cyclictest0-21swapper/321:00:163
24471729988,0cyclictest0-21swapper/319:30:113
24471729988,0cyclictest0-21swapper/300:00:003
2445380281,4sleep30-21swapper/319:05:133
24471729977,0cyclictest0-21swapper/323:15:193
24471729977,0cyclictest0-21swapper/322:00:213
24471729977,0cyclictest0-21swapper/321:55:183
24471729977,0cyclictest0-21swapper/320:00:143
24471729976,0cyclictest0-21swapper/320:30:023
24471729970,7cyclictest0-21swapper/322:40:173
24471729970,6cyclictest0-21swapper/323:25:143
24471729966,0cyclictest0-21swapper/322:25:213
24471729966,0cyclictest0-21swapper/322:05:193
24471729966,0cyclictest0-21swapper/321:15:173
24471729966,0cyclictest0-21swapper/320:40:123
24471729960,5cyclictest0-21swapper/319:25:183
24471729955,0cyclictest0-21swapper/323:50:023
24471729955,0cyclictest0-21swapper/319:50:183
2445756250,3sleep22445830-21grep19:05:162
2477277240,3sleep22477564-21df20:25:132
24471729943,0cyclictest0-21swapper/300:25:143
24471729940,4cyclictest0-21swapper/319:45:183
24471729940,3cyclictest2465626-21chrt19:55:033
2446137241,1sleep10-21swapper/119:05:191
2575198230,1sleep02575395-21needreboot00:20:130
2563699230,2sleep22563703-21ssh23:54:582
2486843230,2sleep22487130-21cstates20:50:142
2455486230,1sleep02455512-21apt-get19:30:120
24471729931,1cyclictest0-21swapper/319:20:123
2445405231,1sleep00-21swapper/019:05:140
2581867220,1sleep02582073-21wc00:35:180
2580930220,0sleep12580956-21apt-get00:35:111
2579649220,1sleep02579823-21python300:30:190
2577453220,0sleep00-21swapper/000:25:180
2572067220,1sleep00-21swapper/000:15:020
2569492220,1sleep22569496-21ssh00:05:392
2567685220,0sleep00-21swapper/000:03:040
2561467220,2sleep12561469-21ssh23:48:361
2558334220,1sleep12558484-21ntp_states23:40:161
2557817220,1sleep20-21swapper/223:40:132
2549599220,1sleep22549735-21cat23:20:172
2543421220,1sleep22543588-21ntpq23:05:192
2542318220,1sleep02542646-21cut23:05:010
2540080220,0sleep00-21swapper/022:58:490
2539908220,0sleep1341rcuc/122:57:181
2538494220,1sleep22538762-21cstates22:55:142
2535018220,1sleep22535174-21mailstats22:45:172
2534229220,1sleep02534255-21apt-get22:45:110
2533713220,1sleep12533735-21ls22:45:001
2530393220,1sleep02530541-21grep22:35:150
2523600220,0sleep00-21swapper/022:20:140
2513862220,1sleep12513999-21plymouth21:55:171
2513707220,1sleep02513861-21ntp_states21:55:160
2512358220,0sleep00-21swapper/021:50:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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