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2026-06-03 - 01:24
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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 Wed Jun 03, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243481199140,12cyclictest0-21swapper/320:55:113
24367902139,2sleep12436986-21nin-node19:15:001
2434811991310,1cyclictest0-21swapper/323:00:123
243481199130,11cyclictest0-21swapper/321:35:123
243481199130,11cyclictest0-21swapper/320:45:133
243481199120,11cyclictest0-21swapper/323:10:173
243481199120,11cyclictest0-21swapper/320:17:013
243481199120,0cyclictest0-21swapper/323:30:133
243481199119,0cyclictest0-21swapper/321:00:013
2434811991110,0cyclictest0-21swapper/323:50:133
243481199110,1cyclictest0-21swapper/319:40:093
243481199110,10cyclictest0-21swapper/323:00:023
243481199110,10cyclictest0-21swapper/322:35:113
243481199110,10cyclictest0-21swapper/320:30:193
243481199110,0cyclictest0-21swapper/323:20:023
243481199110,0cyclictest0-21swapper/322:00:123
243481199110,0cyclictest0-21swapper/321:55:113
243481199110,0cyclictest0-21swapper/320:50:123
243481199109,0cyclictest0-21swapper/300:27:483
243481199108,1cyclictest0-21swapper/322:45:133
2434811991010,0cyclictest0-21swapper/321:15:213
243481199100,9cyclictest0-21swapper/323:35:173
243481199100,9cyclictest0-21swapper/320:25:113
243481199100,9cyclictest0-21swapper/300:35:213
243481199100,0cyclictest0-21swapper/323:25:173
243481199100,0cyclictest0-21swapper/322:25:003
243481199100,0cyclictest0-21swapper/321:45:183
243481199100,0cyclictest0-21swapper/321:20:133
243481199100,0cyclictest0-21swapper/320:10:013
243481199100,0cyclictest0-21swapper/319:45:193
24348119999,0cyclictest0-21swapper/322:50:203
24348119999,0cyclictest0-21swapper/322:05:123
24348119999,0cyclictest0-21swapper/320:35:203
24348119999,0cyclictest0-21swapper/320:35:203
24348119999,0cyclictest0-21swapper/319:20:073
24348119999,0cyclictest0-21swapper/300:05:023
24348119998,0cyclictest0-21swapper/320:20:133
24348119990,9cyclictest0-21swapper/321:25:183
24348119990,8cyclictest0-21swapper/321:05:193
24348119990,8cyclictest0-21swapper/320:05:213
24348119990,8cyclictest0-21swapper/300:10:133
24348119990,8cyclictest0-21swapper/300:00:003
24348119990,0cyclictest0-21swapper/321:55:013
24348119988,0cyclictest0-21swapper/321:40:423
24348119988,0cyclictest0-21swapper/319:15:013
24348119988,0cyclictest0-21swapper/300:30:213
24348119987,1cyclictest0-21swapper/319:10:113
24348119980,6cyclictest0-21swapper/320:00:123
2432888281,5sleep30-21swapper/319:05:023
24348119977,0cyclictest0-21swapper/322:30:133
24348119977,0cyclictest0-21swapper/322:15:143
24348119977,0cyclictest0-21swapper/319:55:143
24348119976,0cyclictest0-21swapper/323:17:423
24348119970,5cyclictest0-21swapper/323:40:123
24348119970,0cyclictest0-21swapper/323:05:183
2434524271,6sleep20-21swapper/219:09:292
24348119966,0cyclictest0-21swapper/322:42:293
24348119966,0cyclictest0-21swapper/321:30:313
24348119966,0cyclictest0-21swapper/300:05:223
24348119961,2cyclictest0-21swapper/319:50:103
24348119960,6cyclictest0-21swapper/322:15:003
24348119955,0cyclictest0-21swapper/323:45:143
24348119955,0cyclictest0-21swapper/322:25:113
24348119954,0cyclictest0-21swapper/319:36:553
24348119950,5cyclictest0-21swapper/321:15:023
24348119950,2cyclictest0-21swapper/320:40:123
2488735240,3sleep12489022-21df21:35:131
24348119944,0cyclictest0-21swapper/300:20:123
24348119944,0cyclictest0-21swapper/300:15:173
24348119940,3cyclictest2440675-21chrt19:30:023
24348119940,3cyclictest2440057-21chrt19:25:063
2433755241,1sleep10-21swapper/119:05:201
2541022230,2sleep12541151-21cat23:40:011
2529727230,2sleep12529933-21grep23:10:201
2516094230,2sleep12515991-21/usr/sbin/munin22:40:131
2468432230,2sleep02468513-21latency_hist20:45:010
2560245220,1sleep02560518-21df_inode00:25:150
2558199221,1sleep2451ktimers/200:20:162
2553133221,0sleep12553137-21ssh00:06:121
2547288220,1sleep02547298-21sh23:55:010
2545088220,0sleep20-21swapper/223:48:582
2534770220,0sleep00-21swapper/023:24:590
2532614220,0sleep00-21swapper/023:19:310
2532397220,1sleep12478276-21diskmemload23:17:351
2526851220,1sleep22527116-21diskstats23:05:162
2526686220,0sleep00-21swapper/023:05:140
2518074220,1sleep02518100-21apt-get22:45:130
2512789220,0sleep00-21swapper/022:30:190
2511325220,0sleep00-21swapper/022:27:590
2502424220,1sleep00-21swapper/022:05:230
2498100220,1sleep20-21swapper/221:55:192
2488103220,0sleep00-21swapper/021:32:400
2487065220,1sleep22487218-21/usr/sbin/munin21:30:302
2483500220,1sleep12483755-21awk21:20:201
2462924220,1sleep12462950-21apt-get20:30:131
2460204220,1sleep02460389-21users20:20:190
2438761220,1sleep02438913-21ntp_states19:20:120
2435354220,1sleep22435561-21/usr/sbin/munin19:10:132
2432896221,0sleep00-21swapper/019:05:070
2565630210,0sleep20-21swapper/200:36:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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