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2026-01-03 - 21:54
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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 Sat Jan 03, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
665728057,18sleep10-21swapper/107:06:251
692226856,8sleep00-21swapper/007:09:110
7174993510,23cyclictest25090-21ls10:35:060
7174993510,23cyclictest25090-21ls10:35:060
7174993310,1cyclictest0-21swapper/009:23:230
7175993210,2cyclictest0-21swapper/110:10:441
7175993210,0cyclictest0-21swapper/110:50:111
7174993210,0cyclictest0-21swapper/009:11:550
717599290,25cyclictest0-21swapper/111:49:431
717499291,26cyclictest0-21swapper/009:57:100
7174992826,1cyclictest81ktimersoftd/007:30:040
7174992826,1cyclictest17132-21ssh12:28:110
717599272,21cyclictest0-21swapper/110:29:141
7174992726,0cyclictest0-21swapper/007:25:070
7175992621,3cyclictest7163-21vmstat08:30:131
7174992624,1cyclictest0-21swapper/010:19:530
7174992610,6cyclictest23616-21sh11:14:530
7174992523,1cyclictest0-21swapper/010:54:120
7175992410,13cyclictest0-21swapper/112:20:111
717599240,0cyclictest0-21swapper/110:48:321
7174992410,8cyclictest0-21swapper/007:15:120
717599232,12cyclictest0-21swapper/110:55:141
7175992316,3cyclictest4384-21ssh12:11:191
7175992310,9cyclictest0-21swapper/108:35:061
717599230,4cyclictest0-21swapper/110:09:211
717499236,16cyclictest0-21swapper/011:32:390
717499233,19cyclictest0-21swapper/012:19:230
717499230,9cyclictest28424-21apache_accesses10:40:040
717499230,0cyclictest9893-21df09:35:070
717599225,10cyclictest0-21swapper/107:55:111
7175992210,4cyclictest0-21swapper/109:31:391
7175992210,1cyclictest0-21swapper/110:23:341
717499225,12cyclictest0-21swapper/007:20:100
7174992220,1cyclictest0-21swapper/010:11:130
7174992210,4cyclictest0-21swapper/010:29:560
7174992210,2cyclictest0-21swapper/012:05:060
717499220,20cyclictest0-21swapper/012:11:180
717499220,12cyclictest0-21swapper/010:45:100
717499220,12cyclictest0-21swapper/008:20:090
717499220,0cyclictest0-21swapper/008:54:530
717599214,9cyclictest24212-21munin-run10:34:531
717599213,11cyclictest0-21swapper/111:55:071
717599212,13cyclictest0-21swapper/109:10:101
7175992121,0cyclictest0-21swapper/107:26:571
7175992119,1cyclictest636-21nscd11:02:431
7175992113,7cyclictest17035-21apache212:06:351
7175992110,6cyclictest0-21swapper/109:35:271
7175992110,5cyclictest0-21swapper/111:05:051
7175992110,3cyclictest0-21swapper/112:15:081
7175992110,2cyclictest0-21swapper/109:50:061
7175992110,0cyclictest0-21swapper/111:41:271
717499216,14cyclictest0-21swapper/008:44:030
717499214,11cyclictest0-21swapper/009:41:230
7174992116,4cyclictest0-21swapper/011:05:270
7174992115,2cyclictest45-21kswapd011:20:030
7174992114,5cyclictest20783-21kworker/0:010:21:010
7174992111,7cyclictest100150irq/106-eth1-rx09:30:280
7174992110,6cyclictest0-21swapper/011:25:070
7174992110,6cyclictest0-21swapper/011:13:140
717599203,9cyclictest0-21swapper/110:40:071
717599203,10cyclictest100250irq/107-eth1-rx09:43:151
7175992013,6cyclictest100150irq/106-eth1-rx11:17:431
7175992010,3cyclictest0-21swapper/112:36:171
7175992010,3cyclictest0-21swapper/108:10:051
7175992010,0cyclictest0-21swapper/112:00:451
717599200,5cyclictest0-21swapper/110:03:321
717599200,1cyclictest27130-21sshd09:15:331
717599200,12cyclictest167-21systemd-journal07:49:561
717499203,7cyclictest0-21swapper/010:05:100
7174992018,1cyclictest0-21swapper/010:03:430
7174992012,6cyclictest100250irq/107-eth1-rx10:28:350
7174992010,8cyclictest0-21swapper/010:58:340
717499200,20cyclictest0-21swapper/008:14:270
717599193,8cyclictest0-21swapper/107:40:081
717599193,11cyclictest0-21swapper/109:00:101
717599193,10cyclictest0-21swapper/112:30:131
717599192,7cyclictest0-21swapper/108:45:041
7175991918,1cyclictest0-21swapper/108:00:211
7175991914,4cyclictest0-21swapper/107:46:201
7175991910,6cyclictest16107-21ls08:55:091
7175991910,2cyclictest0-21swapper/111:25:361
717499197,5cyclictest0-21swapper/011:48:100
717499196,2cyclictest0-21swapper/012:00:060
717499196,12cyclictest0-21swapper/011:02:030
717499194,8cyclictest19237-21munin-run09:04:530
717499192,13cyclictest26563-21munin-run07:59:530
7174991916,3cyclictest0-21swapper/009:25:390
7174991910,9cyclictest0-21swapper/012:38:450
7174991910,6cyclictest0-21swapper/011:55:050
7174991910,6cyclictest0-21swapper/011:40:180
7174991910,6cyclictest0-21swapper/008:28:290
7174991910,4cyclictest0-21swapper/009:45:440
7174991910,4cyclictest0-21swapper/007:40:040
717499190,18cyclictest0-21swapper/008:00:070
3248621910,0sleep10-21swapper/109:22:481
2215621910,0sleep10-21swapper/111:12:261
2212021910,0sleep00-21swapper/011:53:410
717599183,6cyclictest9345-21kernelversion10:15:071
7175991813,1cyclictest0-21swapper/109:25:281
7175991810,4cyclictest17019-21apache209:56:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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