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2026-04-27 - 02:40
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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 Mon Apr 27, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271452203188,11sleep10-21swapper/119:09:361
269172199183,12sleep00-21swapper/019:06:390
269972187171,12sleep30-21swapper/319:07:413
249522163146,13sleep20-21swapper/219:05:032
240152500,0sleep20-21swapper/200:04:422
21492430,0sleep00-21swapper/023:53:430
46382420,0sleep30-21swapper/322:35:143
273529971,5cyclictest0-21swapper/323:15:113
273429970,3cyclictest16343-21cron23:45:000
273529963,2cyclictest15711-21ssh22:25:133
273439961,3cyclictest0-21swapper/121:10:111
273439961,2cyclictest0-21swapper/122:20:131
273429960,3cyclictest7949-21munin-run19:35:000
273429960,3cyclictest24566-21perf00:05:000
273529950,5cyclictest1316-21fschecks_count19:20:153
273529950,5cyclictest0-21swapper/323:50:453
273529950,5cyclictest0-21swapper/321:35:533
273529950,4cyclictest30493-21fschecks_time19:15:023
273529950,4cyclictest23010-21diskmemload23:30:113
273529950,4cyclictest18399-21aten2_r5power_v21:00:123
273529950,4cyclictest0-21swapper/323:45:113
273529950,1cyclictest18810-21diskstats19:55:133
273479952,1cyclictest31-21ksoftirqd/222:40:132
273479950,3cyclictest0-21swapper/200:34:252
273439952,2cyclictest0-21swapper/121:50:131
273439951,3cyclictest0-21swapper/123:55:111
273439951,2cyclictest0-21swapper/123:15:121
273439951,2cyclictest0-21swapper/122:55:111
273439951,2cyclictest0-21swapper/122:45:131
273439951,2cyclictest0-21swapper/121:00:121
273439951,2cyclictest0-21swapper/120:55:121
273439951,2cyclictest0-21swapper/120:25:121
273439951,2cyclictest0-21swapper/120:05:121
273439951,2cyclictest0-21swapper/119:50:121
273439951,2cyclictest0-21swapper/100:25:121
273439950,5cyclictest0-21swapper/123:22:161
273429950,4cyclictest8366-21apt-get19:35:000
4487240,0sleep00-21swapper/000:26:250
273529944,0cyclictest0-21swapper/323:11:103
273529944,0cyclictest0-21swapper/322:31:543
273529944,0cyclictest0-21swapper/321:25:233
273529944,0cyclictest0-21swapper/321:05:183
273529944,0cyclictest0-21swapper/300:35:163
273529942,1cyclictest32430-21ssh23:20:213
273529942,1cyclictest28053-21ssh00:05:543
273529941,3cyclictest23010-21diskmemload22:22:273
273529940,4cyclictest4746-21apt-get23:55:123
273529940,4cyclictest0-21swapper/323:35:103
273529940,4cyclictest0-21swapper/323:00:083
273529940,4cyclictest0-21swapper/322:45:123
273529940,4cyclictest0-21swapper/322:42:293
273529940,4cyclictest0-21swapper/321:45:123
273529940,4cyclictest0-21swapper/321:41:543
273529940,4cyclictest0-21swapper/321:17:573
273529940,4cyclictest0-21swapper/321:10:123
273529940,4cyclictest0-21swapper/320:45:113
273529940,4cyclictest0-21swapper/319:35:113
273529940,4cyclictest0-21swapper/300:00:133
273529940,3cyclictest32514-21ssh22:01:093
273529940,3cyclictest32514-21ssh22:01:083
273529940,3cyclictest31998-21ntp_states20:20:193
273529940,3cyclictest2760-21ssh00:10:103
273529940,3cyclictest14046-21uniq19:45:133
273529940,3cyclictest13980-21sh22:08:223
273529940,3cyclictest12926-21ssh22:55:153
273529940,3cyclictest11830-21ssh21:20:133
273529940,3cyclictest0-21swapper/320:05:113
273529940,1cyclictest2041-21ntp_states20:25:183
273529940,1cyclictest15995-21cat19:50:143
273529940,0cyclictest0-21swapper/300:21:103
273479944,0cyclictest31-21ksoftirqd/221:20:192
273479944,0cyclictest0-21swapper/223:17:402
273479944,0cyclictest0-21swapper/222:38:582
273479944,0cyclictest0-21swapper/200:28:412
273479943,1cyclictest12150-21ntp_states19:40:182
273479942,2cyclictest29917-21kworker/2:222:17:342
273479942,2cyclictest29917-21kworker/2:200:14:002
273479941,2cyclictest31-21ksoftirqd/222:45:122
273479941,2cyclictest0-21swapper/222:05:132
273479941,2cyclictest0-21swapper/220:20:132
273479941,2cyclictest0-21swapper/219:25:132
273479940,4cyclictest5860-21df_inode22:20:132
273479940,4cyclictest23495-21apt-get21:10:112
273479940,4cyclictest1468-21apt-get21:15:142
273479940,4cyclictest0-21swapper/223:46:312
273479940,4cyclictest0-21swapper/223:40:112
273479940,4cyclictest0-21swapper/223:32:522
273479940,4cyclictest0-21swapper/222:00:122
273479940,4cyclictest0-21swapper/222:00:122
273479940,4cyclictest0-21swapper/221:42:262
273479940,4cyclictest0-21swapper/221:38:042
273479940,4cyclictest0-21swapper/221:25:132
273479940,4cyclictest0-21swapper/219:50:192
273479940,4cyclictest0-21swapper/200:37:472
273479940,4cyclictest0-21swapper/200:21:542
273479940,3cyclictest760-21/usr/sbin/munin19:20:222
273479940,3cyclictest2806-21sh23:21:462
273479940,3cyclictest27144-21basename23:50:122
273479940,3cyclictest26942-21sh23:01:512
273479940,3cyclictest18999-21perl21:00:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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