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2026-06-02 - 02:35
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot2.osadl.org (updated Tue Jun 02, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155802197181,11sleep10-21swapper/119:08:481
155592191175,12sleep00-21swapper/019:08:310
154232191175,12sleep30-21swapper/319:06:483
153452181163,13sleep20-21swapper/219:05:482
209062480,0sleep10-21swapper/121:45:161
318772460,0sleep00-21swapper/022:37:520
214732460,0sleep20-21swapper/222:00:592
165372460,1sleep316524-21apt-get22:15:013
245332400,0sleep00-21swapper/000:25:210
244062130,0sleep10-21swapper/122:34:331
291062110,0sleep20-21swapper/221:33:412
57212100,0sleep00-21swapper/022:56:340
224592100,0sleep30-21swapper/319:20:143
158429970,4cyclictest14978-21munin-run22:30:000
16197260,0sleep30-21swapper/322:45:363
16197260,0sleep30-21swapper/322:45:353
158429965,1cyclictest31220-21irqstats21:50:160
4158250,0sleep00-21swapper/021:36:590
158529955,0cyclictest24575-21kworker/3:221:08:063
158529955,0cyclictest0-21swapper/300:10:283
158529950,5cyclictest11258-21ssh00:19:393
158529950,5cyclictest0-21swapper/322:24:243
158529950,5cyclictest0-21swapper/321:38:433
158529950,4cyclictest0-21swapper/323:10:123
158529950,4cyclictest0-21swapper/321:20:123
158479951,4cyclictest29961-21nscd21:25:382
158479951,2cyclictest0-21swapper/200:00:122
158479950,5cyclictest0-21swapper/223:28:562
158479950,5cyclictest0-21swapper/222:37:082
158479950,5cyclictest0-21swapper/200:30:122
158479950,5cyclictest0-21swapper/200:14:552
158479950,3cyclictest0-21swapper/223:36:442
158479950,1cyclictest14217-21/usr/sbin/munin00:05:162
158439955,0cyclictest0-21swapper/122:24:531
158439955,0cyclictest0-21swapper/100:04:251
158439950,5cyclictest0-21swapper/121:58:251
158439950,5cyclictest0-21swapper/121:27:251
158429952,3cyclictest20431-21ssh00:07:530
158429950,5cyclictest0-21swapper/023:25:120
158429950,5cyclictest0-21swapper/023:03:450
158429950,5cyclictest0-21swapper/000:35:410
158429950,5cyclictest0-21swapper/000:15:110
158429950,4cyclictest29232-21munin-run20:39:590
12451250,4sleep012479-21rm21:40:480
158529944,0cyclictest0-21swapper/321:04:583
158529943,1cyclictest1836-21apt-get19:45:123
158529942,1cyclictest26854-21cat20:35:003
158529941,3cyclictest315912chrt20:43:363
158529941,2cyclictest0-21swapper/320:25:093
158529941,1cyclictest0-21swapper/300:05:103
158529940,4cyclictest15963-21apt-get19:10:113
158529940,4cyclictest11866-21diskmemload22:51:403
158529940,4cyclictest10767-21apt-get21:25:023
158529940,4cyclictest0-21swapper/323:55:403
158529940,4cyclictest0-21swapper/323:50:123
158529940,4cyclictest0-21swapper/323:40:103
158529940,4cyclictest0-21swapper/323:21:313
158529940,4cyclictest0-21swapper/323:15:123
158529940,4cyclictest0-21swapper/323:00:113
158529940,4cyclictest0-21swapper/322:55:123
158529940,4cyclictest0-21swapper/322:40:123
158529940,4cyclictest0-21swapper/322:30:483
158529940,4cyclictest0-21swapper/322:15:133
158529940,4cyclictest0-21swapper/320:18:243
158529940,4cyclictest0-21swapper/319:35:023
158529940,4cyclictest0-21swapper/300:35:013
158529940,3cyclictest9701-21proc_pri21:55:183
158529940,3cyclictest904-21fschecks_time00:30:133
158529940,3cyclictest6748-21df_inode23:45:143
158529940,3cyclictest5886-21df22:25:143
158529940,3cyclictest5816-21ssh00:00:193
158529940,3cyclictest5122-21ssh21:53:373
158529940,3cyclictest456-21sh23:25:393
158529940,3cyclictest32108-21cpuspeed20:45:143
158529940,3cyclictest31771-21awk23:10:013
158529940,3cyclictest30001-21memory22:05:173
158529940,3cyclictest27315-21ssh22:35:203
158529940,3cyclictest25893-21ssh00:26:103
158529940,3cyclictest23986-21memory21:15:203
158529940,3cyclictest22105-21df21:30:113
158529940,3cyclictest1988-21apt20:50:103
158529940,3cyclictest18850-21ssh23:35:143
158529940,3cyclictest14035-21ssh23:32:453
158529940,3cyclictest12414-21ssh21:40:463
158529940,3cyclictest12390-21taskset00:20:123
158529940,3cyclictest1118-21awk19:40:203
158529940,3cyclictest0-21swapper/320:20:123
158529940,2cyclictest0-21swapper/320:00:123
158529940,1cyclictest19879-21grep22:00:183
158479944,0cyclictest57150irq/125-eth023:11:172
158479944,0cyclictest0-21swapper/222:15:022
158479944,0cyclictest0-21swapper/221:49:162
158479943,1cyclictest7024-21grep22:10:112
158479943,1cyclictest24513-21/usr/sbin/munin20:30:202
158479941,2cyclictest0-21swapper/221:40:112
158479941,2cyclictest0-21swapper/221:20:132
158479941,2cyclictest0-21swapper/221:00:112
158479941,2cyclictest0-21swapper/220:05:112
158479941,1cyclictest0-21swapper/222:20:132
158479940,4cyclictest7871-21apt-get21:55:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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