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2026-06-16 - 22:35
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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
Characteristics of the 100 highest latencies:
System rackcslot2.osadl.org (updated Tue Jun 16, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167812720,1sleep00-21swapper/012:11:090
2758527152,8sleep10-21swapper/107:05:331
2612426749,8sleep00-21swapper/007:03:410
133032660,1sleep00-21swapper/007:53:450
161492650,1sleep10-21swapper/109:58:591
201212640,0sleep00-21swapper/009:21:320
282192610,2sleep02806599cyclictest11:43:430
28066993030,0cyclictest0-21swapper/109:27:491
28065992910,1cyclictest0-21swapper/011:19:500
2806699282,23cyclictest0-21swapper/110:46:511
28066992821,3cyclictest0-21swapper/109:37:471
28066992810,1cyclictest0-21swapper/111:51:571
28066992725,1cyclictest12255-21ssh11:21:291
28065992727,0cyclictest0-21swapper/011:06:490
28065992717,6cyclictest5576-21apache211:32:410
28066992619,5cyclictest0-21swapper/107:18:301
28066992610,10cyclictest0-21swapper/112:08:521
28065992610,8cyclictest0-21swapper/008:54:010
28065992610,7cyclictest0-21swapper/011:38:460
28066992523,1cyclictest7580-21/usr/sbin/munin07:38:571
28066992510,6cyclictest0-21swapper/111:28:561
2806699250,3cyclictest9612-21diskmemload09:30:451
28065992510,8cyclictest0-21swapper/010:46:470
28065992510,10cyclictest100450irq/109-eth1-tx11:12:270
28066992419,5cyclictest5567-21apache212:36:361
28066992410,9cyclictest0-21swapper/108:29:011
28066992410,10cyclictest0-21swapper/111:23:531
28065992422,1cyclictest28063-21cyclictest09:11:590
2806599242,21cyclictest0-21swapper/010:58:370
28065992410,8cyclictest0-21swapper/010:38:280
28065992410,1cyclictest0-21swapper/011:57:090
28065992410,11cyclictest0-21swapper/012:04:460
2806599240,1cyclictest18850-21memory12:13:570
28066992322,0cyclictest231ktimersoftd/111:41:051
2806699232,13cyclictest0-21swapper/108:08:541
28066992321,1cyclictest636-21nscd09:23:171
28066992312,7cyclictest10292-21sshd12:03:141
28066992312,7cyclictest10292-21sshd12:03:141
28066992311,10cyclictest5567-21apache209:49:191
28066992310,10cyclictest0-21swapper/107:09:001
2806699230,1cyclictest0-21swapper/110:56:071
821822210,0sleep00-21swapper/007:38:580
42022210,1sleep00-21swapper/010:21:570
28066992221,1cyclictest0-21swapper/108:23:531
28066992210,9cyclictest0-21swapper/109:40:311
28066992210,5cyclictest0-21swapper/110:19:311
28065992220,1cyclictest21662-21ssh10:06:450
28065992220,1cyclictest0-21swapper/008:09:010
28065992217,2cyclictest0-21swapper/010:38:550
2806599221,10cyclictest9612-21diskmemload12:28:530
28065992210,2cyclictest0-21swapper/007:18:590
2806599220,4cyclictest0-21swapper/012:38:000
2806599220,21cyclictest0-21swapper/009:53:440
2806599220,10cyclictest17483-21awk09:18:400
2806699212,12cyclictest0-21swapper/110:26:521
28066992121,0cyclictest0-21swapper/110:35:091
28066992115,6cyclictest5567-21apache212:19:541
28066992110,8cyclictest11754-21ssh09:10:081
28066992110,3cyclictest0-21swapper/108:03:441
2806699210,14cyclictest0-21swapper/108:53:571
2806699210,0cyclictest0-21swapper/109:46:021
2806599213,15cyclictest0-21swapper/011:18:180
28065992114,3cyclictest27770-21idleruntime10:58:540
28065992110,8cyclictest0-21swapper/010:25:210
28065992110,6cyclictest0-21swapper/009:24:400
28065992110,1cyclictest0-21swapper/008:45:310
2806699207,11cyclictest0-21swapper/112:23:561
2806699207,11cyclictest0-21swapper/108:13:521
2806699205,10cyclictest0-21swapper/108:38:531
28066992010,4cyclictest0-21swapper/111:33:551
28066992010,3cyclictest0-21swapper/110:38:531
28066992010,0cyclictest0-21swapper/109:53:541
2806699200,17cyclictest0-21swapper/111:03:511
2806599205,13cyclictest0-21swapper/010:28:570
2806599204,11cyclictest0-21swapper/008:58:530
2806599203,8cyclictest0-21swapper/007:09:010
28065992019,1cyclictest947-21sendmail-mta07:49:360
28065992010,7cyclictest100250irq/107-eth1-rx11:48:460
28065992010,6cyclictest0-21swapper/008:49:020
28065992010,4cyclictest0-21swapper/010:53:400
28065992010,4cyclictest0-21swapper/010:12:210
2806599200,9cyclictest5272-21ssh09:44:010
948921910,0sleep00-21swapper/007:43:500
2806699194,5cyclictest11252-21/usr/sbin/munin12:03:551
2806699193,12cyclictest0-21swapper/107:23:541
2806699191,7cyclictest100150irq/106-eth1-rx09:14:421
2806699191,4cyclictest0-21swapper/111:15:341
28066991912,0cyclictest100350irq/108-eth1-tx10:07:581
28066991910,7cyclictest0-21swapper/108:00:441
28066991910,6cyclictest0-21swapper/111:53:521
28066991910,5cyclictest0-21swapper/107:28:511
2806699190,16cyclictest0-21swapper/110:13:081
2806599194,9cyclictest0-21swapper/009:39:000
2806599192,2cyclictest0-21swapper/010:15:060
28065991918,1cyclictest0-21swapper/012:27:040
28065991917,1cyclictest0-21swapper/009:53:070
28065991910,4cyclictest0-21swapper/012:20:030
28065991910,4cyclictest0-21swapper/009:03:550
28065991910,4cyclictest0-21swapper/008:37:420
28065991910,4cyclictest0-21swapper/008:23:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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