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2025-12-14 - 01:54
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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 highest latencies:
System rack1slot1.osadl.org (updated Sun Dec 14, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192832213161,26sleep30-21swapper/319:09:093
190712199161,25sleep20-21swapper/219:06:222
191712198161,24sleep00-21swapper/019:07:410
192712197158,26sleep10-21swapper/119:08:591
3642210,0sleep10-21swapper/123:00:141
261312190,0sleep10-21swapper/120:30:161
19426991710,1cyclictest9-21ksoftirqd/020:20:010
34082130,0sleep30-21swapper/319:40:203
19442991311,1cyclictest28-21ksoftirqd/220:25:012
1943499130,0cyclictest0-21swapper/123:40:121
1942699134,4cyclictest25076-21perf22:45:010
19426991212,0cyclictest0-21swapper/023:57:460
19426991211,1cyclictest9-21ksoftirqd/022:15:000
1943499110,1cyclictest0-21swapper/119:40:011
1942699119,1cyclictest9-21ksoftirqd/022:45:130
1945099109,1cyclictest35-21ksoftirqd/321:35:013
1944299109,1cyclictest28-21ksoftirqd/223:55:012
1944299109,1cyclictest28-21ksoftirqd/222:05:012
1944299109,1cyclictest28-21ksoftirqd/221:50:012
1944299109,1cyclictest28-21ksoftirqd/200:35:012
1944299109,0cyclictest28-21ksoftirqd/200:15:192
1943499101,9cyclictest0-21swapper/123:50:011
1943499100,9cyclictest0-21swapper/122:30:171
1943499100,2cyclictest0-21swapper/121:25:131
1942699109,1cyclictest9-21ksoftirqd/021:55:010
1942699104,5cyclictest9729-21perf21:05:010
194509997,1cyclictest35-21ksoftirqd/319:35:013
194509992,3cyclictest7565-21apt-get21:00:123
194509990,7cyclictest21989-21munin-node23:14:023
194509990,2cyclictest0-21swapper/320:15:133
194429998,1cyclictest28-21ksoftirqd/223:15:112
194429998,1cyclictest28-21ksoftirqd/222:20:162
194429998,1cyclictest28-21ksoftirqd/221:40:152
194429998,1cyclictest28-21ksoftirqd/219:25:012
194429998,1cyclictest28-21ksoftirqd/200:05:022
194429998,1cyclictest28-21ksoftirqd/200:00:122
194349999,0cyclictest0-21swapper/100:37:561
194269998,1cyclictest9-21ksoftirqd/022:30:010
194269998,1cyclictest9-21ksoftirqd/021:50:010
194269997,1cyclictest9-21ksoftirqd/022:35:010
194269997,1cyclictest9-21ksoftirqd/021:55:110
194269997,1cyclictest9-21ksoftirqd/021:55:110
194269991,7cyclictest457-21apt-get20:45:150
194509986,1cyclictest707-21snmpd20:41:273
194509986,1cyclictest707-21snmpd20:37:153
194509986,1cyclictest707-21snmpd20:30:363
194509986,1cyclictest707-21snmpd20:02:503
194509986,1cyclictest707-21snmpd19:58:563
194509985,1cyclictest35-21ksoftirqd/319:50:013
194509981,4cyclictest6972-21apt-get23:15:103
194429988,0cyclictest28-21ksoftirqd/222:15:132
194429988,0cyclictest28-21ksoftirqd/200:25:192
194429988,0cyclictest28-21ksoftirqd/200:20:132
194429987,1cyclictest28-21ksoftirqd/223:15:002
194429987,1cyclictest28-21ksoftirqd/223:05:152
194429987,1cyclictest28-21ksoftirqd/222:05:152
194429986,1cyclictest707-21snmpd22:27:302
194429986,1cyclictest28-21ksoftirqd/220:30:142
194429982,5cyclictest8310-21kworker/2:120:05:172
194429981,6cyclictest0-21swapper/223:36:232
194349980,8cyclictest0-21swapper/120:06:141
194349980,2cyclictest0-21swapper/123:20:121
194269987,1cyclictest9-21ksoftirqd/021:20:010
194269987,1cyclictest9-21ksoftirqd/020:25:100
194269987,1cyclictest9-21ksoftirqd/020:05:140
194269987,1cyclictest9-21ksoftirqd/019:15:020
194269987,1cyclictest9-21ksoftirqd/000:00:130
194269986,1cyclictest707-21snmpd20:37:030
194269986,1cyclictest707-21snmpd20:23:510
194269980,4cyclictest3271-21perf00:15:000
194509976,1cyclictest35-21ksoftirqd/322:28:213
194509976,1cyclictest1079-21ntpq23:00:183
194509975,1cyclictest707-21snmpd23:44:563
194509975,1cyclictest707-21snmpd23:22:293
194509975,1cyclictest707-21snmpd22:42:553
194509975,1cyclictest707-21snmpd22:30:483
194509975,1cyclictest707-21snmpd21:56:503
194509975,1cyclictest707-21snmpd21:56:503
194509975,1cyclictest707-21snmpd21:29:203
194509975,1cyclictest707-21snmpd21:14:313
194509975,1cyclictest707-21snmpd20:54:013
194509975,1cyclictest707-21snmpd20:47:063
194509975,1cyclictest707-21snmpd19:29:043
194509975,1cyclictest707-21snmpd00:31:003
194509975,1cyclictest707-21snmpd00:16:153
194509975,1cyclictest24564-21cat23:50:143
194509975,1cyclictest20524-21cat19:10:123
194509973,2cyclictest240-21systemd-journal00:10:013
194509973,1cyclictest548-21systemd-logind23:45:193
194509971,5cyclictest24654-21apt-get21:35:023
194509971,3cyclictest25058-21apt-get19:20:113
194509970,3cyclictest0-21swapper/322:55:123
194429976,1cyclictest8310-21kworker/2:120:15:012
194429976,1cyclictest8310-21kworker/2:119:39:152
194429976,1cyclictest61650irq/122-eno122:45:112
194429976,1cyclictest61650irq/122-eno121:53:392
194429976,1cyclictest61650irq/122-eno121:05:132
194429976,1cyclictest61650irq/122-eno100:10:152
194429976,1cyclictest28-21ksoftirqd/219:30:122
194429976,1cyclictest28-21ksoftirqd/219:15:162
194429976,1cyclictest11475-21date20:00:012
194429976,0cyclictest28-21ksoftirqd/219:25:132
194429975,1cyclictest707-21snmpd21:04:552
194429975,1cyclictest28-21ksoftirqd/222:30:152
194429975,1cyclictest28-21ksoftirqd/221:10:112
194429975,1cyclictest28-21ksoftirqd/219:45:142
194429973,2cyclictest548-21systemd-logind20:50:202
194429973,1cyclictest240-21systemd-journal00:40:012
194429971,2cyclictest2066-21apt-get19:40:112
194429970,6cyclictest0-21swapper/223:00:102
194429970,6cyclictest0-21swapper/222:51:312
194429970,1cyclictest0-21swapper/222:56:372
194349973,4cyclictest0-21swapper/100:25:011
194349972,1cyclictest325922sleep120:44:051
194349972,1cyclictest29574-21chrt22:53:091
194349970,6cyclictest0-21swapper/122:01:481
194349970,6cyclictest0-21swapper/120:19:051
194349970,6cyclictest0-21swapper/120:00:011
194349970,5cyclictest0-21swapper/121:05:141
194349970,2cyclictest0-21swapper/122:00:011
194349970,2cyclictest0-21swapper/122:00:011
194349970,0cyclictest0-21swapper/121:45:141
194269977,0cyclictest9-21ksoftirqd/022:55:120
194269976,1cyclictest9-21ksoftirqd/022:50:120
194269976,1cyclictest9-21ksoftirqd/021:05:230
194269976,1cyclictest707-21snmpd23:29:050
194269976,1cyclictest707-21snmpd21:32:500
194269976,1cyclictest707-21snmpd19:58:260
194269973,3cyclictest19316-21turbostat21:25:010
194269970,7cyclictest0-21swapper/023:40:200
194269970,7cyclictest0-21swapper/021:10:120
194269970,6cyclictest8505-21telnet00:25:130
194269970,6cyclictest4448-21telnet19:45:130
194269970,6cyclictest32370-21telnet23:00:120
194269970,6cyclictest32114-21/usr/sbin/munin19:35:150
194269970,6cyclictest30556-21/usr/sbin/munin20:40:110
194269970,6cyclictest27194-21aten2.4-expect21:40:130
194269970,6cyclictest25055-21/usr/sbin/munin19:20:130
194269970,6cyclictest24731-21telnet21:35:120
194269970,6cyclictest21335-21/usr/sbin/munin23:45:150
194269970,6cyclictest19803-21basename21:25:130
194269970,6cyclictest11101-21/usr/sbin/munin22:15:130
194269970,6cyclictest10731-21/usr/sbin/munin00:30:180
194269970,6cyclictest0-21swapper/020:30:150
194269970,6cyclictest0-21swapper/020:10:110
194269970,6cyclictest0-21swapper/000:20:180
194269970,1cyclictest5190-21/usr/sbin/munin20:55:190
194269970,1cyclictest5190-21/usr/sbin/munin20:55:190
194269970,1cyclictest19696-21telnet19:10:090
194269970,1cyclictest0-21swapper/023:38:440
194269970,1cyclictest0-21swapper/023:15:110
194269970,1cyclictest0-21swapper/022:35:130
25210260,1sleep10-21swapper/120:25:201
194509965,1cyclictest707-21snmpd22:19:033
194509965,1cyclictest707-21snmpd19:15:153
194509965,1cyclictest16983-21sendmail-msp21:20:013
194509964,1cyclictest769-21lldpd00:25:593
194509964,1cyclictest707-21snmpd22:47:583
194509964,1cyclictest707-21snmpd21:24:113
194509964,1cyclictest707-21snmpd21:09:283
194509964,1cyclictest707-21snmpd20:55:403
194509964,1cyclictest707-21snmpd20:55:403
194509964,1cyclictest707-21snmpd20:21:113
194509964,1cyclictest30554-21ntpq21:45:183
194509963,2cyclictest19423-21cyclictest23:05:223
194509963,1cyclictest240-21systemd-journal21:45:013
194509961,4cyclictest13086-21apt-get00:35:133
194509961,3cyclictest6029-21apt-get00:20:123
194509960,4cyclictest240-21systemd-journal21:54:563
194509960,2cyclictest240-21systemd-journal23:35:013
194509960,1cyclictest240-21systemd-journal19:54:563
194429966,0cyclictest61650irq/122-eno123:33:042
194429966,0cyclictest61650irq/122-eno123:28:512
194429966,0cyclictest61650irq/122-eno122:43:252
194429966,0cyclictest61650irq/122-eno122:35:172
194429966,0cyclictest61650irq/122-eno120:45:022
194429966,0cyclictest61650irq/122-eno120:25:112
194429966,0cyclictest61650irq/122-eno119:10:092
194429965,1cyclictest8310-21kworker/2:121:25:132
194429965,1cyclictest8310-21kworker/2:120:15:192
194429965,1cyclictest61650irq/122-eno121:55:122
194429965,1cyclictest61650irq/122-eno121:55:122
194429965,1cyclictest61650irq/122-eno121:35:242
194429965,1cyclictest28-21ksoftirqd/223:40:012
194429965,1cyclictest28-21ksoftirqd/223:20:142
194429965,1cyclictest28-21ksoftirqd/219:50:162
194429964,1cyclictest61650irq/122-eno120:35:142
194429964,1cyclictest28-21ksoftirqd/221:15:132
194429964,1cyclictest28-21ksoftirqd/220:55:132
194429964,1cyclictest28-21ksoftirqd/220:55:132
194429964,1cyclictest28-21ksoftirqd/219:55:132
194429960,6cyclictest0-21swapper/223:47:592
194429960,6cyclictest0-21swapper/222:11:212
194429960,2cyclictest1-21systemd23:55:212
194349960,6cyclictest0-21swapper/121:51:171
194349960,6cyclictest0-21swapper/120:53:131
194349960,6cyclictest0-21swapper/119:41:071
194349960,6cyclictest0-21swapper/119:14:031
194349960,5cyclictest0-21swapper/120:55:281
194349960,5cyclictest0-21swapper/120:55:281
194349960,4cyclictest0-21swapper/119:20:191
194349960,3cyclictest0-21swapper/122:35:121
194349960,1cyclictest0-21swapper/121:15:171
194269965,1cyclictest9-21ksoftirqd/023:20:110
194269965,1cyclictest9-21ksoftirqd/000:05:200
194269965,1cyclictest29887-21telnet19:30:130
194269960,6cyclictest0-21swapper/023:50:130
194269960,6cyclictest0-21swapper/022:20:100
194269960,6cyclictest0-21swapper/022:05:100
194269960,6cyclictest0-21swapper/020:00:050
194269960,5cyclictest3652-21/usr/sbin/munin00:15:170
194269960,5cyclictest0-21swapper/023:05:130
194269960,2cyclictest0-21swapper/023:30:110
194269960,2cyclictest0-21swapper/020:50:120
194269960,1cyclictest27407-21/usr/sbin/munin19:25:200
194269960,0cyclictest4046-21/usr/sbin/munin22:00:130
194269960,0cyclictest0-21swapper/023:10:140
194269960,0cyclictest0-21swapper/019:50:130
194269960,0cyclictest0-21swapper/019:40:140
194269960,0cyclictest0-21swapper/000:35:220
194509954,1cyclictest1499-21sshd19:36:153
194509954,0cyclictest13650irq/124-ahci[0020:05:183
194509953,1cyclictest707-21snmpd20:28:273
194509953,1cyclictest35-21ksoftirqd/300:00:013
194509950,5cyclictest0-21swapper/323:37:283
194509950,5cyclictest0-21swapper/323:28:503
194509950,4cyclictest1397-21tr00:10:143
194509950,3cyclictest14882-21/usr/sbin/munin22:20:213
194509950,2cyclictest16395-21apt-get20:10:113
194509950,1cyclictest0-21swapper/322:52:173
194509950,1cyclictest0-21swapper/322:10:113
194509950,0cyclictest0-21swapper/322:00:103
194509950,0cyclictest0-21swapper/300:01:033
194429955,0cyclictest61650irq/122-eno121:30:122
194429955,0cyclictest61650irq/122-eno121:20:012
194429955,0cyclictest61650irq/122-eno120:40:152
194349950,5cyclictest0-21swapper/123:18:131
194349950,5cyclictest0-21swapper/122:42:101
194349950,5cyclictest0-21swapper/122:07:211
194349950,5cyclictest0-21swapper/121:03:311
194349950,5cyclictest0-21swapper/119:45:041
194349950,5cyclictest0-21swapper/119:15:191
194349950,4cyclictest0-21swapper/123:14:311
194349950,4cyclictest0-21swapper/120:20:161
194349950,4cyclictest0-21swapper/120:02:501
194349950,3cyclictest0-21swapper/119:50:131
194349950,3cyclictest0-21swapper/100:25:121
194349950,2cyclictest0-21swapper/100:30:141
194349950,1cyclictest0-21swapper/123:55:011
194349950,1cyclictest0-21swapper/121:35:011
194349950,0cyclictest0-21swapper/123:58:381
194509943,1cyclictest8023-21grep22:05:223
194509942,1cyclictest0-21swapper/322:35:123
194349943,1cyclictest18427-21chrt23:38:581
194349941,0cyclictest0-21swapper/123:05:201
194349940,4cyclictest0-21swapper/122:55:191
194349940,3cyclictest0-21swapper/121:45:011
194349940,3cyclictest0-21swapper/100:20:011
194349940,3cyclictest0-21swapper/100:05:181
194349940,1cyclictest0-21swapper/123:30:201
194349940,1cyclictest0-21swapper/121:10:141
194349940,0cyclictest0-21swapper/120:35:191
194349931,1cyclictest0-21swapper/122:15:121
194349931,1cyclictest0-21swapper/120:45:151
194349931,1cyclictest0-21swapper/119:30:121
194349930,3cyclictest17197-21chrt21:20:101
194349930,2cyclictest0-21swapper/122:45:111
194349930,2cyclictest0-21swapper/122:20:191
194349930,2cyclictest0-21swapper/122:10:141
194349930,2cyclictest0-21swapper/100:10:121
194349930,1cyclictest0-21swapper/123:25:131
194349930,1cyclictest0-21swapper/122:25:131
194349930,1cyclictest0-21swapper/120:10:111
194349930,0cyclictest0-21swapper/121:37:421
194349930,0cyclictest0-21swapper/119:27:171
194349930,0cyclictest0-21swapper/100:00:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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