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2026-09-06 - 01:33
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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 Sep 06, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160362214157,26sleep20-21swapper/219:08:152
160362214157,26sleep20-21swapper/219:08:142
161212199161,24sleep00-21swapper/019:09:210
161212199161,24sleep00-21swapper/019:09:200
161092198158,26sleep30-21swapper/319:09:123
161092198158,26sleep30-21swapper/319:09:113
158622198158,26sleep10-21swapper/119:06:011
158622198158,26sleep10-21swapper/119:06:011
15662890,0sleep10-21swapper/121:45:001
269522160,0sleep30-21swapper/300:39:523
104112160,0sleep00-21swapper/021:10:180
79292140,0sleep30-21swapper/300:10:203
16242991311,1cyclictest9-21ksoftirqd/020:15:010
16242991311,1cyclictest9-21ksoftirqd/019:40:000
16254991210,1cyclictest28-21ksoftirqd/219:35:002
1624699120,4cyclictest0-21swapper/100:30:151
1625499110,10cyclictest22536-21latency_hist20:29:592
1624299119,1cyclictest9-21ksoftirqd/021:50:170
1624299119,1cyclictest9-21ksoftirqd/020:29:590
1624299113,4cyclictest5919-21latency_hist19:55:010
1624299112,4cyclictest28747-21latency_hist19:34:590
16242991110,1cyclictest9-21ksoftirqd/000:14:590
16242991110,1cyclictest9-21ksoftirqd/000:00:010
1624299110,6cyclictest16279-21apt-get21:20:130
1625499109,1cyclictest28-21ksoftirqd/223:29:592
1625499109,1cyclictest28-21ksoftirqd/219:15:002
1624299109,1cyclictest9-21ksoftirqd/021:15:120
1624299109,1cyclictest9-21ksoftirqd/020:55:010
1624299109,1cyclictest9-21ksoftirqd/000:25:140
1624299109,1cyclictest9-21ksoftirqd/000:20:150
1624299108,1cyclictest9-21ksoftirqd/022:35:150
1624299108,1cyclictest9-21ksoftirqd/022:15:150
1624299108,1cyclictest9-21ksoftirqd/022:05:130
31263290,0sleep38909-21diskmemload23:10:513
162609999,0cyclictest35-21ksoftirqd/323:20:013
162609998,0cyclictest8909-21diskmemload23:37:213
162609991,7cyclictest11301-21snmpd22:10:133
162549998,1cyclictest28-21ksoftirqd/223:34:592
162549998,1cyclictest28-21ksoftirqd/222:05:002
162549998,1cyclictest28-21ksoftirqd/220:10:012
162549997,1cyclictest14692sleep200:01:202
162549995,2cyclictest11301-21snmpd23:38:312
162469990,8cyclictest0-21swapper/100:10:141
162429999,0cyclictest9-21ksoftirqd/023:49:380
162429998,1cyclictest9-21ksoftirqd/023:10:000
162429998,1cyclictest9-21ksoftirqd/000:00:160
162429997,1cyclictest9-21ksoftirqd/020:40:130
162429992,6cyclictest4220-21wc21:00:000
162429991,4cyclictest5021-21ssh21:50:010
162609987,1cyclictest35-21ksoftirqd/321:15:153
162609986,1cyclictest11301-21snmpd19:51:483
162609986,1cyclictest11301-21snmpd19:36:413
162609980,6cyclictest11301-21snmpd00:27:033
162609980,2cyclictest0-21swapper/320:00:103
162549988,0cyclictest28-21ksoftirqd/223:56:202
162549987,1cyclictest28-21ksoftirqd/222:09:592
162549987,1cyclictest28-21ksoftirqd/219:49:592
162549987,1cyclictest28-21ksoftirqd/200:15:002
162549986,1cyclictest61650irq/122-eno121:17:582
162549986,1cyclictest28-21ksoftirqd/222:50:002
162549986,1cyclictest11301-21snmpd23:05:082
162549986,1cyclictest11301-21snmpd22:55:032
162549986,1cyclictest11301-21snmpd19:16:192
162549983,3cyclictest26621-21apt-get22:20:112
162549981,6cyclictest0-21swapper/223:02:542
162429987,1cyclictest9-21ksoftirqd/023:20:130
162429987,1cyclictest9-21ksoftirqd/022:10:150
162429987,1cyclictest9-21ksoftirqd/019:20:000
162429986,1cyclictest9-21ksoftirqd/023:30:000
162429986,1cyclictest9-21ksoftirqd/020:50:010
162429986,1cyclictest11301-21snmpd22:52:230
162429986,1cyclictest11301-21snmpd22:48:540
162429986,1cyclictest11301-21snmpd22:27:070
162429986,1cyclictest11301-21snmpd21:42:330
162429986,1cyclictest11301-21snmpd20:38:440
162429986,1cyclictest11301-21snmpd19:48:020
162429986,1cyclictest11301-21snmpd19:13:320
162429986,1cyclictest101rcuc/022:20:140
162429985,1cyclictest548-21systemd-logind20:24:080
162429985,1cyclictest548-21systemd-logind19:24:080
162429983,4cyclictest372-21ssh23:15:110
162429980,7cyclictest26473-21ssh23:50:210
162429980,7cyclictest26473-21ssh23:50:200
162429980,5cyclictest13076-21hddtemp_smartct22:00:170
162429980,4cyclictest27016-21munin-run00:40:000
15366280,0sleep30-21swapper/322:04:453
162609976,1cyclictest35-21ksoftirqd/322:35:013
162609976,1cyclictest11301-21snmpd22:54:453
162609976,1cyclictest11301-21snmpd20:34:493
162609976,1cyclictest11301-21snmpd19:40:183
162609975,1cyclictest25290-21ssh22:17:183
162609975,1cyclictest11301-21snmpd21:30:113
162609975,1cyclictest11301-21snmpd21:28:453
162609975,1cyclictest11301-21snmpd20:43:233
162609975,1cyclictest11301-21snmpd20:24:263
162609972,2cyclictest19332-21cstates22:55:133
162609970,2cyclictest0-21swapper/323:20:173
162549976,1cyclictest61650irq/122-eno121:50:572
162549976,1cyclictest61650irq/122-eno121:47:132
162549976,1cyclictest61650irq/122-eno121:25:512
162549976,1cyclictest61650irq/122-eno121:22:452
162549976,1cyclictest61650irq/122-eno120:45:172
162549976,1cyclictest61650irq/122-eno100:21:202
162549976,1cyclictest28-21ksoftirqd/223:15:002
162549976,1cyclictest11301-21snmpd22:50:202
162549976,1cyclictest0-21swapper/220:11:242
162549976,0cyclictest61650irq/122-eno123:45:112
162549976,0cyclictest61650irq/122-eno121:55:152
162549976,0cyclictest61650irq/122-eno121:30:162
162549976,0cyclictest61650irq/122-eno100:15:132
162549975,1cyclictest61650irq/122-eno123:19:032
162549975,1cyclictest61650irq/122-eno122:30:152
162549975,1cyclictest61650irq/122-eno121:10:142
162549975,1cyclictest61650irq/122-eno100:05:162
162549975,1cyclictest28-21ksoftirqd/220:35:002
162549975,1cyclictest28-21ksoftirqd/220:00:002
162549972,3cyclictest22910-21apt-get22:15:122
162549971,6cyclictest11301-21snmpd22:12:202
162549971,5cyclictest18612-21munin-node00:27:262
162549970,3cyclictest24972-21ntpq00:35:212
162549970,0cyclictest0-21swapper/222:25:172
162549970,0cyclictest0-21swapper/219:54:222
162469971,6cyclictest0-21swapper/100:28:351
162469971,3cyclictest0-21swapper/121:25:221
162469970,7cyclictest0-21swapper/123:41:441
162469970,7cyclictest0-21swapper/100:22:081
162469970,6cyclictest0-21swapper/100:08:231
162469970,3cyclictest0-21swapper/123:35:171
162469970,3cyclictest0-21swapper/120:15:161
162469970,2cyclictest0-21swapper/120:10:131
162469970,1cyclictest0-21swapper/122:09:191
162429976,1cyclictest28426-21ssh21:35:190
162429975,1cyclictest9-21ksoftirqd/022:30:180
162429975,1cyclictest9-21ksoftirqd/021:10:010
162429975,1cyclictest11301-21snmpd23:03:000
162429975,1cyclictest0-21swapper/023:10:130
162429974,1cyclictest8909-21diskmemload21:27:000
162429973,2cyclictest8909-21diskmemload23:40:110
162429973,2cyclictest548-21systemd-logind21:59:070
162429973,2cyclictest294-21systemd-udevd20:01:070
162429973,2cyclictest240-21systemd-journal20:16:580
162429973,2cyclictest240-21systemd-journal20:06:080
162429973,1cyclictest240-21systemd-journal19:59:560
162429970,6cyclictest19129-21cpuspeed_turbos22:55:140
162429970,6cyclictest14356-21apt-get23:35:110
162429970,6cyclictest0-21swapper/021:00:120
162429970,1cyclictest25743-21ssh21:31:110
162429970,1cyclictest23509-21ssh00:34:590
162429970,1cyclictest13470-21ssh23:33:030
162429970,1cyclictest11482-21timerwakeupswit00:15:200
162429970,1cyclictest0-21swapper/000:05:210
162609965,1cyclictest769-21lldpd23:50:443
162609965,1cyclictest769-21lldpd23:50:443
162609965,1cyclictest7466-21ssh21:51:463
162609965,1cyclictest5389-21ssh00:07:433
162609965,1cyclictest3471-21ssh22:32:033
162609965,1cyclictest28843-21ssh23:09:193
162609965,1cyclictest18171-21ssh21:20:403
162609965,1cyclictest14022-21ssh22:46:323
162609965,1cyclictest12818-21ssh23:30:543
162609965,1cyclictest11367-21ssh21:58:063
162609965,1cyclictest11301-21snmpd23:48:033
162609965,1cyclictest11301-21snmpd22:28:193
162609965,1cyclictest11301-21snmpd21:49:193
162609965,1cyclictest11301-21snmpd20:35:353
162609965,1cyclictest11301-21snmpd20:06:163
162609965,1cyclictest10063-21cat21:10:153
162609964,1cyclictest35-21ksoftirqd/320:54:573
162609964,1cyclictest29017-21ssh21:35:263
162609964,1cyclictest19029-21ntpq23:40:173
162609964,1cyclictest10132-21ssh23:28:323
162609963,2cyclictest25398-21ntp_states19:25:193
162609963,1cyclictest35-21ksoftirqd/321:04:553
162609960,6cyclictest8909-21diskmemload23:57:273
162609960,3cyclictest0-21swapper/322:40:383
162609960,2cyclictest0-21swapper/323:02:573
162609960,2cyclictest0-21swapper/322:22:023
162609960,2cyclictest0-21swapper/321:42:443
162609960,1cyclictest0-21swapper/300:00:133
162609960,0cyclictest0-21swapper/322:05:283
162549966,0cyclictest61650irq/122-eno123:53:552
162549966,0cyclictest61650irq/122-eno123:53:542
162549966,0cyclictest61650irq/122-eno123:40:012
162549966,0cyclictest61650irq/122-eno123:20:212
162549966,0cyclictest61650irq/122-eno122:40:582
162549966,0cyclictest61650irq/122-eno121:40:192
162549966,0cyclictest61650irq/122-eno120:56:252
162549966,0cyclictest61650irq/122-eno120:20:202
162549966,0cyclictest61650irq/122-eno120:15:142
162549966,0cyclictest61650irq/122-eno119:41:242
162549966,0cyclictest61650irq/122-eno119:39:362
162549966,0cyclictest61650irq/122-eno119:28:412
162549965,1cyclictest61650irq/122-eno122:35:532
162549965,1cyclictest61650irq/122-eno120:35:062
162549965,1cyclictest61650irq/122-eno100:30:172
162549965,1cyclictest23018-21ntpq19:20:192
162549965,0cyclictest61650irq/122-eno121:35:142
162549960,6cyclictest0-21swapper/221:03:122
162549960,6cyclictest0-21swapper/220:02:252
162549960,5cyclictest0-21swapper/220:44:552
162469960,6cyclictest0-21swapper/123:31:461
162469960,6cyclictest0-21swapper/123:14:081
162469960,6cyclictest0-21swapper/121:37:551
162469960,6cyclictest0-21swapper/120:50:101
162469960,6cyclictest0-21swapper/120:38:201
162469960,6cyclictest0-21swapper/119:39:201
162469960,5cyclictest0-21swapper/123:00:141
162469960,5cyclictest0-21swapper/122:57:051
162469960,5cyclictest0-21swapper/122:43:581
162469960,5cyclictest0-21swapper/122:21:021
162469960,5cyclictest0-21swapper/120:43:111
162469960,5cyclictest0-21swapper/120:32:441
162469960,5cyclictest0-21swapper/120:00:151
162469960,4cyclictest0-21swapper/123:48:181
162469960,4cyclictest0-21swapper/121:59:411
162469960,4cyclictest0-21swapper/121:15:291
162469960,1cyclictest0-21swapper/122:45:121
162429963,1cyclictest240-21systemd-journal20:30:000
162429960,6cyclictest0-21swapper/019:40:170
162429960,0cyclictest0-21swapper/022:40:130
162429960,0cyclictest0-21swapper/019:25:130
162609954,1cyclictest6785-21apt-get21:05:143
162609954,1cyclictest31114-21systemctl20:45:183
162609954,1cyclictest22414-21ssh00:31:213
162609953,1cyclictest21127-21sed20:25:173
162609953,1cyclictest11301-21snmpd19:18:023
162609952,2cyclictest8909-21diskmemload00:20:033
162609951,3cyclictest4190-21idleruntime-cro21:00:013
162609951,2cyclictest14644-21/usr/sbin/munin20:10:203
162609950,3cyclictest0-21swapper/300:15:123
162609950,1cyclictest23041-21ntp_states19:20:183
162549951,2cyclictest0-21swapper/221:05:132
162549950,2cyclictest0-21swapper/220:50:222
162469955,0cyclictest0-21swapper/121:30:241
162469955,0cyclictest0-21swapper/100:03:061
162469952,3cyclictest0-21swapper/122:30:121
162469951,4cyclictest0-21swapper/121:01:211
162469951,1cyclictest0-21swapper/121:20:231
162469950,5cyclictest0-21swapper/123:06:561
162469950,5cyclictest0-21swapper/122:10:451
162469950,5cyclictest0-21swapper/120:28:331
162469950,5cyclictest0-21swapper/119:54:131
162469950,4cyclictest0-21swapper/123:26:081
162469950,4cyclictest0-21swapper/122:53:301
162469950,4cyclictest0-21swapper/122:36:591
162469950,4cyclictest0-21swapper/121:00:011
162469950,4cyclictest0-21swapper/120:49:581
162469950,4cyclictest0-21swapper/100:36:391
162469950,3cyclictest0-21swapper/123:16:461
162469950,3cyclictest0-21swapper/119:20:131
162469950,2cyclictest0-21swapper/123:55:181
162469950,2cyclictest0-21swapper/123:52:371
162469950,2cyclictest0-21swapper/123:52:361
162469950,2cyclictest0-21swapper/122:00:221
162469950,2cyclictest0-21swapper/121:46:311
162469950,1cyclictest0-21swapper/100:15:101
162469950,0cyclictest0-21swapper/122:27:071
11508250,0sleep10-21swapper/121:12:261
162609943,1cyclictest27156-21grep19:30:143
162609942,2cyclictest15597-21apt-get20:15:123
162609941,2cyclictest0-21swapper/319:10:123
162609940,2cyclictest1460-21aten_r1power_cu19:45:133
162609940,1cyclictest7061-21irqstats19:55:173
162469942,1cyclictest183122sleep119:11:461
162469941,1cyclictest26264-21chrt19:29:041
162469941,1cyclictest0-21swapper/123:20:191
162469941,1cyclictest0-21swapper/121:05:201
162469941,1cyclictest0-21swapper/120:05:101
162469940,2cyclictest0-21swapper/119:45:161
162469940,1cyclictest0-21swapper/122:15:171
162469940,1cyclictest0-21swapper/121:50:341
162469940,1cyclictest0-21swapper/119:55:131
162469940,1cyclictest0-21swapper/119:40:011
162469940,0cyclictest0-21swapper/120:24:521
162469931,1cyclictest0-21swapper/119:30:121
162469931,1cyclictest0-21swapper/119:15:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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