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2025-12-08 - 06:17
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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 Dec 08, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321662189174,11sleep10-21swapper/119:09:441
319402186170,11sleep00-21swapper/019:06:500
319182181164,12sleep30-21swapper/319:06:333
318352171155,12sleep20-21swapper/219:05:272
101902470,0sleep30-21swapper/323:26:113
89452410,0sleep00-21swapper/023:42:060
124252410,0sleep20-21swapper/222:05:562
6312130,0sleep10-21swapper/123:21:251
324602110,0sleep30-21swapper/323:37:433
307242110,0sleep20-21swapper/221:43:102
196392100,0sleep20-21swapper/219:45:182
323759970,2cyclictest0-21swapper/223:07:482
323669971,3cyclictest28817-21basename23:20:000
323799965,1cyclictest0-21swapper/323:06:433
323799960,5cyclictest0-21swapper/319:15:143
323759966,0cyclictest0-21swapper/223:56:412
323669962,4cyclictest0-21swapper/022:18:130
323669960,6cyclictest0-21swapper/023:55:080
323669960,6cyclictest0-21swapper/023:53:530
323669960,6cyclictest0-21swapper/023:45:330
323669960,6cyclictest0-21swapper/023:28:090
323669960,6cyclictest0-21swapper/023:05:050
323669960,6cyclictest0-21swapper/022:21:220
323669960,6cyclictest0-21swapper/022:11:010
323669960,6cyclictest0-21swapper/022:08:020
323669960,6cyclictest0-21swapper/022:00:220
323669960,6cyclictest0-21swapper/021:35:100
323669960,6cyclictest0-21swapper/021:29:170
323669960,6cyclictest0-21swapper/000:12:490
323669960,3cyclictest25993-21munin-run21:25:000
323669960,1cyclictest0-21swapper/022:31:020
323799953,1cyclictest560-21/usr/sbin/munin20:15:203
323799950,5cyclictest0-21swapper/300:21:573
323799950,4cyclictest0-21swapper/321:35:123
323799950,3cyclictest0-21swapper/321:25:543
323799950,3cyclictest0-21swapper/300:30:233
323759955,0cyclictest0-21swapper/223:23:492
323759952,3cyclictest16449-21ssh21:20:112
323759950,5cyclictest0-21swapper/222:35:132
323709952,2cyclictest0-21swapper/121:10:131
323709952,2cyclictest0-21swapper/119:40:131
323709951,2cyclictest0-21swapper/122:55:131
323709951,2cyclictest0-21swapper/122:40:131
323709951,2cyclictest0-21swapper/100:25:151
323709950,5cyclictest0-21swapper/123:40:011
323709950,5cyclictest0-21swapper/122:50:241
323709950,5cyclictest0-21swapper/121:31:501
323709950,0cyclictest0-21swapper/119:30:191
323669955,0cyclictest0-21swapper/020:05:190
323669952,3cyclictest0-21swapper/000:35:010
323669951,4cyclictest0-21swapper/023:35:240
323669951,4cyclictest0-21swapper/019:55:210
323669951,4cyclictest0-21swapper/019:35:200
323669950,5cyclictest0-21swapper/023:20:250
323669950,5cyclictest0-21swapper/023:10:580
323669950,5cyclictest0-21swapper/023:01:220
323669950,5cyclictest0-21swapper/022:55:420
323669950,5cyclictest0-21swapper/022:45:100
323669950,5cyclictest0-21swapper/022:40:490
323669950,5cyclictest0-21swapper/022:25:380
323669950,5cyclictest0-21swapper/021:56:060
323669950,5cyclictest0-21swapper/021:50:060
323669950,5cyclictest0-21swapper/021:45:180
323669950,5cyclictest0-21swapper/021:45:170
323669950,5cyclictest0-21swapper/021:40:420
323669950,5cyclictest0-21swapper/021:30:420
323669950,5cyclictest0-21swapper/021:15:100
323669950,5cyclictest0-21swapper/021:11:100
323669950,5cyclictest0-21swapper/021:06:290
323669950,5cyclictest0-21swapper/021:03:170
323669950,5cyclictest0-21swapper/020:40:250
323669950,5cyclictest0-21swapper/020:35:250
323669950,5cyclictest0-21swapper/020:25:170
323669950,5cyclictest0-21swapper/020:19:410
323669950,5cyclictest0-21swapper/019:43:170
323669950,5cyclictest0-21swapper/019:33:090
323669950,5cyclictest0-21swapper/019:29:580
323669950,5cyclictest0-21swapper/000:30:010
323669950,5cyclictest0-21swapper/000:25:140
323669950,5cyclictest0-21swapper/000:21:520
323669950,5cyclictest0-21swapper/000:06:010
323669950,5cyclictest0-21swapper/000:00:480
323669950,4cyclictest0-21swapper/023:30:130
323669950,1cyclictest3067-21forks19:15:010
323669950,0cyclictest0-21swapper/022:50:180
323669950,0cyclictest0-21swapper/022:35:220
323669950,0cyclictest0-21swapper/020:30:160
323669950,0cyclictest0-21swapper/000:15:570
323799944,0cyclictest15497-21ssh00:18:103
323799944,0cyclictest0-21swapper/323:51:413
323799944,0cyclictest0-21swapper/323:16:373
323799944,0cyclictest0-21swapper/321:58:123
323799944,0cyclictest0-21swapper/321:50:463
323799943,1cyclictest13197-21/usr/sbin/munin19:35:133
323799942,1cyclictest20185-21ssh23:47:493
323799941,3cyclictest56750irq/130-eth021:15:173
323799940,4cyclictest4348-21ntp_states20:20:213
323799940,4cyclictest25579-21/usr/sbin/munin20:00:173
323799940,4cyclictest0-21swapper/322:37:553
323799940,4cyclictest0-21swapper/322:22:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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