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2026-06-01 - 12:49
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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 Jun 01, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33472199184,11sleep10-21swapper/119:08:521
31482196179,12sleep30-21swapper/319:06:213
32312187170,12sleep00-21swapper/019:07:220
31122171152,14sleep20-21swapper/219:05:522
144202470,0sleep00-21swapper/000:27:490
70332450,0sleep10-21swapper/122:47:501
154072450,0sleep20-21swapper/223:07:402
284222430,0sleep00-21swapper/021:23:500
99632400,0sleep20-21swapper/200:25:192
124642180,0sleep30-21swapper/300:26:363
7492160,0sleep10-21swapper/122:13:071
63272100,0sleep20-21swapper/222:15:202
4800290,0sleep20-21swapper/223:34:392
36119980,4cyclictest11651-21munin-run20:30:000
36279960,5cyclictest0-21swapper/321:30:123
36229966,0cyclictest0-21swapper/223:41:132
36119961,5cyclictest23401-21kworker/0:222:55:010
36119960,3cyclictest18553-21basename21:35:010
36279955,0cyclictest0-21swapper/323:34:133
36279950,5cyclictest0-21swapper/322:43:443
36279950,5cyclictest0-21swapper/320:45:123
36279950,0cyclictest0-21swapper/300:11:283
36229950,5cyclictest7683-21perl19:15:162
36229950,5cyclictest7683-21perl19:15:162
36229950,5cyclictest0-21swapper/223:27:242
36179951,2cyclictest0-21swapper/121:50:111
36179951,2cyclictest0-21swapper/121:45:121
36179951,2cyclictest0-21swapper/120:45:121
36179950,5cyclictest0-21swapper/123:51:521
36119954,1cyclictest0-21swapper/022:36:380
36119950,5cyclictest0-21swapper/023:59:520
36119950,5cyclictest0-21swapper/023:11:420
36119950,5cyclictest0-21swapper/000:10:110
36119950,0cyclictest2098-21ssh22:13:560
36279944,0cyclictest6176-21kworker/3:022:55:503
36279944,0cyclictest0-21swapper/323:25:303
36279944,0cyclictest0-21swapper/321:16:443
36279944,0cyclictest0-21swapper/320:10:223
36279942,2cyclictest23952-21ssh21:52:423
36279941,3cyclictest802-21snmpd00:00:193
36279941,2cyclictest0-21swapper/321:25:113
36279941,2cyclictest0-21swapper/319:45:123
36279941,2cyclictest0-21swapper/319:30:123
36279941,1cyclictest0-21swapper/300:20:143
36279940,4cyclictest5274-21hddtemp_smartct20:15:153
36279940,4cyclictest31434-21diskmemload23:03:253
36279940,4cyclictest31434-21diskmemload22:46:283
36279940,4cyclictest29869-21perl21:05:163
36279940,4cyclictest29654-21ssh21:55:183
36279940,4cyclictest22086-21ntp_states21:20:183
36279940,4cyclictest16740-21rm23:55:433
36279940,4cyclictest0-21swapper/323:05:113
36279940,4cyclictest0-21swapper/322:50:133
36279940,4cyclictest0-21swapper/322:35:073
36279940,4cyclictest0-21swapper/322:30:123
36279940,4cyclictest0-21swapper/322:17:293
36279940,4cyclictest0-21swapper/321:40:283
36279940,4cyclictest0-21swapper/321:10:123
36279940,4cyclictest0-21swapper/321:00:113
36279940,4cyclictest0-21swapper/320:56:123
36279940,4cyclictest0-21swapper/320:41:303
36279940,4cyclictest0-21swapper/300:30:103
36279940,3cyclictest3326-21ssh22:14:413
36279940,3cyclictest28559-21/usr/sbin/munin00:35:133
36279940,3cyclictest21590-21latency_hist19:45:013
36279940,3cyclictest20326-21if_eth421:35:163
36279940,3cyclictest19682-21ssh23:10:103
36279940,3cyclictest1869-21ssh23:49:033
36279940,3cyclictest11661-21idleruntime-cro20:30:003
36279940,3cyclictest0-21swapper/319:50:133
36279940,1cyclictest7645-21aten2_r5power_e21:45:133
36279940,1cyclictest5564-21users19:10:183
36279940,0cyclictest0-21swapper/323:36:243
36279940,0cyclictest0-21swapper/323:22:353
36279940,0cyclictest0-21swapper/320:36:513
36279940,0cyclictest0-21swapper/319:15:043
36279940,0cyclictest0-21swapper/319:15:043
36229944,0cyclictest0-21swapper/222:23:222
36229944,0cyclictest0-21swapper/222:07:052
36229944,0cyclictest0-21swapper/200:14:152
36229943,1cyclictest22020-21/usr/sbin/munin19:45:142
36229943,1cyclictest19229-21/usr/sbin/munin21:35:172
36229943,1cyclictest18666-21ls21:35:012
36229943,1cyclictest16832-21/usr/sbin/munin20:40:132
36229942,1cyclictest802-21snmpd22:48:282
36229942,1cyclictest25963-21ssh21:53:572
36229941,3cyclictest513-21nscd23:00:012
36229940,4cyclictest9825-21apt-get21:15:022
36229940,4cyclictest31083-21ssh22:27:532
36229940,4cyclictest2148-21ssh23:00:492
36229940,4cyclictest14789-21ssh22:35:212
36229940,4cyclictest0-21swapper/223:55:462
36229940,4cyclictest0-21swapper/223:35:092
36229940,4cyclictest0-21swapper/223:15:112
36229940,4cyclictest0-21swapper/222:30:112
36229940,4cyclictest0-21swapper/222:02:042
36229940,4cyclictest0-21swapper/221:40:122
36229940,4cyclictest0-21swapper/221:26:412
36229940,4cyclictest0-21swapper/200:37:272
36229940,4cyclictest0-21swapper/200:15:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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