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2026-06-14 - 18:11
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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 rack1slot3.osadl.org (updated Sun Jun 14, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237652599130,12cyclictest0-21swapper/311:55:123
237652599130,11cyclictest0-21swapper/309:25:123
237652599129,1cyclictest0-21swapper/308:25:133
2376525991211,1cyclictest0-21swapper/311:15:113
237652599120,8cyclictest0-21swapper/307:30:123
237652599120,11cyclictest0-21swapper/312:10:163
237652599120,11cyclictest0-21swapper/311:35:123
237652599120,11cyclictest0-21swapper/309:50:133
237652599120,11cyclictest0-21swapper/309:00:173
2376525991111,0cyclictest0-21swapper/309:55:123
2376525991111,0cyclictest0-21swapper/308:20:013
2376525991111,0cyclictest0-21swapper/307:20:193
2376525991110,0cyclictest0-21swapper/311:50:013
2376525991110,0cyclictest0-21swapper/309:10:143
237652599110,10cyclictest0-21swapper/310:35:103
237652599110,0cyclictest0-21swapper/310:25:133
237652599110,0cyclictest0-21swapper/308:50:183
237652599110,0cyclictest0-21swapper/307:10:173
237652599109,0cyclictest0-21swapper/309:30:123
237652599108,1cyclictest0-21swapper/310:30:103
2376525991010,0cyclictest0-21swapper/312:35:123
2376525991010,0cyclictest0-21swapper/311:25:123
2376525991010,0cyclictest0-21swapper/309:15:123
2376525991010,0cyclictest0-21swapper/307:35:183
237652599100,9cyclictest0-21swapper/307:50:113
237652599100,10cyclictest0-21swapper/312:25:163
237652599100,10cyclictest0-21swapper/311:30:013
237652599100,10cyclictest0-21swapper/311:05:013
237652599100,10cyclictest0-21swapper/311:00:183
23765259999,0cyclictest0-21swapper/312:15:173
23765259999,0cyclictest0-21swapper/310:10:123
23765259998,0cyclictest0-21swapper/312:05:123
23765259998,0cyclictest0-21swapper/309:05:123
23765259998,0cyclictest0-21swapper/308:55:103
23765259995,3cyclictest0-21swapper/307:50:013
23765259990,7cyclictest0-21swapper/307:40:123
23765259990,0cyclictest0-21swapper/311:10:173
23765259988,0cyclictest0-21swapper/311:20:593
23765259988,0cyclictest0-21swapper/309:40:003
23765259988,0cyclictest0-21swapper/308:30:123
23765259987,0cyclictest0-21swapper/308:10:123
23765259980,8cyclictest0-21swapper/310:25:013
23765259980,8cyclictest0-21swapper/308:05:213
23765259980,7cyclictest0-21swapper/308:35:123
23765259980,0cyclictest0-21swapper/310:55:153
23765259977,0cyclictest0-21swapper/312:20:153
23765259977,0cyclictest0-21swapper/311:51:343
23765259977,0cyclictest0-21swapper/311:40:213
23765259977,0cyclictest0-21swapper/310:52:263
23765259977,0cyclictest0-21swapper/310:45:183
23765259977,0cyclictest0-21swapper/310:00:123
23765259977,0cyclictest0-21swapper/308:00:183
23765259977,0cyclictest0-21swapper/307:15:133
23765259976,0cyclictest0-21swapper/309:20:123
2374896271,4sleep30-21swapper/307:05:153
23765259966,0cyclictest0-21swapper/312:30:113
23765259966,0cyclictest0-21swapper/309:40:343
23765259966,0cyclictest0-21swapper/308:49:243
23765259966,0cyclictest0-21swapper/308:40:113
23765259966,0cyclictest0-21swapper/307:55:153
23765259965,1cyclictest0-21swapper/310:05:163
2376057260,1sleep10-21swapper/107:05:571
23765259955,0cyclictest0-21swapper/310:40:183
23765259955,0cyclictest0-21swapper/310:15:183
23765259955,0cyclictest0-21swapper/309:46:113
23765259950,2cyclictest0-21swapper/312:00:123
23765259943,0cyclictest0-21swapper/308:20:123
2376341241,0sleep00-21swapper/007:09:360
2375393241,1sleep20-21swapper/207:05:182
2510638230,2sleep22509816-21/usr/sbin/munin12:35:182
2501215230,2sleep22049791-21systemd-journal12:15:012
2492702230,2sleep02492703-21sshd11:53:340
2492407230,2sleep12492411-21ssh11:50:551
2452299230,2sleep22452300-21sshd10:16:342
2438351230,1sleep22438377-21apt-get09:45:122
2421269230,2sleep02421494-21vmstat09:00:190
23765259930,0cyclictest0-21swapper/307:25:073
2509566220,1sleep12509706-21latency_hist12:35:011
2507857220,1sleep00-21swapper/012:30:120
2506415220,1sleep00-21swapper/012:25:160
2503182220,1sleep12503186-21ssh12:19:001
2495706220,1sleep20-21swapper/212:00:162
2489250220,0sleep20-21swapper/211:45:152
2478535220,0sleep02478561-21apt-get11:20:120
2472457220,1sleep02472704-21diskstats11:05:150
2467660220,1sleep22467944-21cat10:55:122
2466448220,1sleep10-21swapper/110:50:191
2465647220,1sleep00-21swapper/010:50:140
2464772220,1sleep12464776-21ssh10:45:581
2459733220,1sleep22459936-21ntpq10:35:152
2448238220,1sleep00-21swapper/010:07:270
2445048220,0sleep00-21swapper/010:00:150
2425773220,0sleep00-21swapper/009:14:560
2421862220,1sleep22421880-21munin-run09:05:012
2408524220,1sleep02408680-21ntpq08:30:170
2385249220,1sleep22385383-21/usr/sbin/munin07:30:152
2511155210,0sleep10-21swapper/112:35:371
2509815210,0sleep00-21swapper/012:35:120
2509243210,0sleep20-21swapper/212:32:102
2505935210,0sleep10-21swapper/112:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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