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2026-03-18 - 08:21
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot3.osadl.org (updated Wed Mar 18, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
197512116111sleep40-21swapper/419:09:216
9918501080irq/53-eth0-rx-0-21swapper/119:09:111
19449210392sleep110-21swapper/1119:06:043
9918501020irq/53-eth0-rx-0-21swapper/319:08:255
9918501020irq/53-eth0-rx-0-21swapper/219:08:144
991850930irq/53-eth0-rx-0-21swapper/519:07:487
991950910irq/54-eth0-tx-0-21swapper/719:09:339
12850850irq/42-ahci0-21swapper/819:08:4910
991950790irq/54-eth0-tx-0-21swapper/919:08:3011
1955826553sleep00-21swapper/019:07:290
1958825955sleep100-21swapper/1019:07:512
1944325853sleep60-21swapper/619:05:598
1990699320cyclictest0-21swapper/021:09:580
1993099210cyclictest0-21swapper/322:30:195
1990699210cyclictest0-21swapper/021:24:520
19947991918cyclictest0-21swapper/1023:45:562
19947991917cyclictest11967-21kworker/10:100:37:112
1994699192cyclictest0-21swapper/923:56:1711
1994699192cyclictest0-21swapper/923:37:1711
1994699192cyclictest0-21swapper/922:50:1211
1994699192cyclictest0-21swapper/922:20:5111
1994699192cyclictest0-21swapper/900:06:0511
1994699192cyclictest0-21swapper/900:06:0511
19947991817cyclictest16425-1kworker/10:2H20:10:212
19947991817cyclictest0-21swapper/1023:41:182
19947991817cyclictest0-21swapper/1023:11:152
19947991817cyclictest0-21swapper/1022:48:552
19947991817cyclictest0-21swapper/1022:06:072
19947991817cyclictest0-21swapper/1021:41:472
19947991817cyclictest0-21swapper/1021:41:472
19947991817cyclictest0-21swapper/1000:13:122
19947991816cyclictest30552-21ssh00:00:342
19947991816cyclictest19371-21diskstats21:15:112
1994799181cyclictest991950irq/54-eth0-tx-23:25:492
1994799181cyclictest991950irq/54-eth0-tx-22:57:002
1994799181cyclictest991950irq/54-eth0-tx-22:50:252
1994799181cyclictest991950irq/54-eth0-tx-22:23:132
1994799181cyclictest991950irq/54-eth0-tx-21:20:252
1994799181cyclictest991850irq/53-eth0-rx-23:55:272
1994799181cyclictest991850irq/53-eth0-rx-23:30:442
1994799181cyclictest991850irq/53-eth0-rx-23:02:202
1994799181cyclictest991850irq/53-eth0-rx-22:44:402
1994799181cyclictest991850irq/53-eth0-rx-22:26:402
1994799181cyclictest991850irq/53-eth0-rx-22:16:002
1994799181cyclictest991850irq/53-eth0-rx-22:00:582
1994799181cyclictest991850irq/53-eth0-rx-21:56:242
1994799181cyclictest991850irq/53-eth0-rx-21:46:462
1994799181cyclictest991850irq/53-eth0-rx-21:36:372
1994799181cyclictest991850irq/53-eth0-rx-21:33:342
1994799181cyclictest991850irq/53-eth0-rx-21:11:592
1994799181cyclictest991850irq/53-eth0-rx-20:28:272
1994799181cyclictest991850irq/53-eth0-rx-00:26:512
1994799181cyclictest991850irq/53-eth0-rx-00:05:232
1994799181cyclictest991850irq/53-eth0-rx-00:05:232
1994799180cyclictest90352sleep1023:18:072
1994699181cyclictest991950irq/54-eth0-tx-21:40:2111
1994699181cyclictest991950irq/54-eth0-tx-21:40:2011
1994699181cyclictest9567-21kworker/9:000:35:1311
1994699181cyclictest28922-1kworker/9:2H19:39:0211
1994699181cyclictest21673-21ssh23:28:4211
1994699181cyclictest0-21swapper/923:52:2411
1994699181cyclictest0-21swapper/923:44:4311
1994699181cyclictest0-21swapper/922:32:2711
1994699181cyclictest0-21swapper/922:05:1711
1994699181cyclictest0-21swapper/921:35:4611
1994699181cyclictest0-21swapper/921:30:1011
1994699181cyclictest0-21swapper/921:25:0011
1994699181cyclictest0-21swapper/921:17:5511
1994699181cyclictest0-21swapper/920:10:1911
1994699181cyclictest0-21swapper/919:51:3511
1994699181cyclictest0-21swapper/919:45:1211
1994699181cyclictest0-21swapper/919:25:1211
1994699181cyclictest0-21swapper/900:30:0211
1994699181cyclictest0-21swapper/900:26:0111
1994699181cyclictest0-21swapper/900:23:0211
19943991816cyclictest32489-21qemu-kvm20:32:018
1993899180cyclictest0-21swapper/400:10:586
19906991817cyclictest0-21swapper/021:25:100
19906991817cyclictest0-21swapper/021:25:100
19947991716cyclictest16425-1kworker/10:2H19:35:012
19947991716cyclictest0-21swapper/1023:35:022
19947991716cyclictest0-21swapper/1020:45:052
19947991716cyclictest0-21swapper/1020:05:122
19947991716cyclictest0-21swapper/1019:50:132
19947991715cyclictest27250-21munin-node20:00:162
1994799170cyclictest991950irq/54-eth0-tx-23:50:322
1994799170cyclictest991950irq/54-eth0-tx-22:30:212
1994799170cyclictest991950irq/54-eth0-tx-22:10:302
1994799170cyclictest991850irq/53-eth0-rx-23:20:222
1994799170cyclictest991850irq/53-eth0-rx-23:05:282
1994799170cyclictest991850irq/53-eth0-rx-22:35:242
1994799170cyclictest991850irq/53-eth0-rx-21:50:172
1994799170cyclictest991850irq/53-eth0-rx-21:09:142
1994799170cyclictest991850irq/53-eth0-rx-20:21:012
1994799170cyclictest991850irq/53-eth0-rx-20:18:332
1994799170cyclictest991850irq/53-eth0-rx-19:46:002
1994799170cyclictest991850irq/53-eth0-rx-19:28:082
1994799170cyclictest991850irq/53-eth0-rx-00:30:272
1994799170cyclictest991850irq/53-eth0-rx-00:20:052
1994799170cyclictest991850irq/53-eth0-rx-00:15:172
1994799170cyclictest991850irq/53-eth0-rx-00:15:172
1994799170cyclictest66942sleep1019:30:302
1994799170cyclictest40642sleep1020:55:502
1994799170cyclictest299702sleep1020:50:022
1994799170cyclictest283232sleep1019:18:152
1994799170cyclictest283232sleep1019:18:142
1994799170cyclictest256312sleep1020:42:352
1994799170cyclictest250712sleep1019:57:202
1994799170cyclictest175862sleep1020:30:232
1994799170cyclictest14882sleep1021:25:432
1994799170cyclictest14882sleep1021:25:432
1994799170cyclictest140412sleep1019:41:182
1994799170cyclictest12850irq/42-ahci19:22:562
1994799170cyclictest12850irq/42-ahci19:22:562
1994799170cyclictest12850irq/42-ahci19:10:102
1994799170cyclictest12850irq/42-ahci19:10:102
19946991716cyclictest0-21swapper/923:10:0311
19946991716cyclictest0-21swapper/923:03:5311
19946991716cyclictest0-21swapper/922:12:0611
19946991716cyclictest0-21swapper/921:58:2211
1994699170cyclictest12660-21ssh22:01:1611
1994699170cyclictest11125-1kworker/9:0H22:47:5311
1994699170cyclictest0-21swapper/923:49:4211
1994699170cyclictest0-21swapper/923:20:2111
1994699170cyclictest0-21swapper/923:09:2611
1994699170cyclictest0-21swapper/922:35:1711
1994699170cyclictest0-21swapper/922:16:0811
1994699170cyclictest0-21swapper/921:54:1411
1994699170cyclictest0-21swapper/921:27:0411
1994699170cyclictest0-21swapper/921:27:0411
1994699170cyclictest0-21swapper/921:10:1011
1994699170cyclictest0-21swapper/921:00:1511
1994699170cyclictest0-21swapper/920:54:2911
1994499175cyclictest0-21swapper/719:35:019
19943991715cyclictest32489-21qemu-kvm20:08:558
19942991716cyclictest28320-21ssh21:49:227
1993899170cyclictest0-21swapper/419:55:166
19923991715cyclictest2308-21snmpd19:30:214
12850170irq/42-ahci0-21swapper/1121:10:033
1994899160cyclictest0-21swapper/1120:16:483
19947991615cyclictest811rcuc/1021:03:392
19946991615cyclictest741rcuc/920:39:4711
19946991615cyclictest0-21swapper/922:25:2311
19946991615cyclictest0-21swapper/921:50:0111
19946991615cyclictest0-21swapper/919:15:2411
19946991615cyclictest0-21swapper/919:15:2311
19946991615cyclictest0-21swapper/900:00:2411
19946991614cyclictest23232-21taskset19:11:0511
19946991614cyclictest23232-21taskset19:11:0511
19943991614cyclictest32488-21qemu-kvm20:37:048
19942991615cyclictest32489-21qemu-kvm20:13:217
1993899163cyclictest0-21swapper/422:15:156
19938991615cyclictest991850irq/53-eth0-rx-00:36:506
1993899160cyclictest0-21swapper/422:50:516
1993899160cyclictest0-21swapper/400:17:426
1993899160cyclictest0-21swapper/400:17:426
1990699160cyclictest0-21swapper/019:26:110
19946991514cyclictest991950irq/54-eth0-tx-23:17:5611
19946991514cyclictest11125-1kworker/9:0H20:15:2411
19946991514cyclictest0-21swapper/922:41:0111
19946991514cyclictest0-21swapper/920:45:1111
19946991514cyclictest0-21swapper/920:35:0011
1994499155cyclictest0-21swapper/722:40:009
1994399152cyclictest0-21swapper/622:38:388
19943991513cyclictest32488-21qemu-kvm20:16:598
1993899152cyclictest0-21swapper/419:33:596
1993899150cyclictest0-21swapper/422:24:366
1993899150cyclictest0-21swapper/421:23:576
1992399152cyclictest0-21swapper/220:20:014
1992399150cyclictest0-21swapper/222:10:554
1991799150cyclictest0-21swapper/123:55:241
1991799150cyclictest0-21swapper/122:16:541
1991799150cyclictest0-21swapper/121:13:461
1991799150cyclictest0-21swapper/119:40:231
1990699150cyclictest0-21swapper/022:44:350
1990699150cyclictest0-21swapper/022:19:060
991950140irq/54-eth0-tx-0-21swapper/1122:18:063
1994699144cyclictest0-21swapper/920:55:0111
1994599144cyclictest0-21swapper/821:26:3810
1994599144cyclictest0-21swapper/821:26:3810
1994599144cyclictest0-21swapper/820:35:0010
1994599144cyclictest0-21swapper/820:05:0110
1994599143cyclictest0-21swapper/822:10:0110
1994499144cyclictest0-21swapper/723:25:009
1994499144cyclictest0-21swapper/723:00:019
1994499144cyclictest0-21swapper/721:45:019
1994499144cyclictest0-21swapper/721:30:389
1994499144cyclictest0-21swapper/700:30:019
1994499144cyclictest0-21swapper/700:20:029
19943991413cyclictest11609-21qemu-kvm21:09:118
1993899140cyclictest0-21swapper/423:55:396
19923991413cyclictest2308-21snmpd23:13:534
19923991412cyclictest2308-21snmpd21:23:224
1992399140cyclictest0-21swapper/220:25:144
1990699143cyclictest0-21swapper/022:00:010
1990699140cyclictest0-21swapper/022:08:130
14050140irq/18-ehci_hcd0-21swapper/023:30:130
19948991312cyclictest0-21swapper/1121:18:083
19948991311cyclictest991850irq/53-eth0-rx-22:29:413
19948991311cyclictest991850irq/53-eth0-rx-22:10:443
19948991311cyclictest3031-21ssh21:28:133
19948991311cyclictest3031-21ssh21:28:133
19948991311cyclictest28698-21chrt21:22:183
1994799130cyclictest991850irq/53-eth0-rx-20:35:362
1994699134cyclictest0-21swapper/900:20:0111
1994699134cyclictest0-21swapper/900:20:0111
1994699133cyclictest0-21swapper/920:25:2211
19946991312cyclictest0-21swapper/919:22:1411
19946991312cyclictest0-21swapper/919:22:1411
1994699131cyclictest0-21swapper/919:30:0211
1994599134cyclictest0-21swapper/821:20:0110
1994599133cyclictest0-21swapper/823:54:0810
1994599133cyclictest0-21swapper/822:35:0110
1994599133cyclictest0-21swapper/820:45:0110
1994599133cyclictest0-21swapper/820:08:3810
1994599133cyclictest0-21swapper/800:14:3810
1994499134cyclictest0-21swapper/721:30:019
1994499134cyclictest0-21swapper/721:30:019
1994499134cyclictest0-21swapper/720:50:019
1994499134cyclictest0-21swapper/720:15:009
1994499133cyclictest0-21swapper/723:55:019
1994499133cyclictest0-21swapper/722:55:009
1994499133cyclictest0-21swapper/721:22:539
1994499133cyclictest0-21swapper/721:10:019
1994499133cyclictest0-21swapper/719:21:079
1994499133cyclictest0-21swapper/719:21:079
1994399134cyclictest0-21swapper/622:20:018
1994399133cyclictest0-21swapper/620:23:228
19943991311cyclictest31477-21python23:35:258
1993099133cyclictest0-21swapper/321:40:315
1993099133cyclictest0-21swapper/321:40:315
1993099133cyclictest0-21swapper/320:15:165
1993099132cyclictest0-21swapper/322:49:385
1993099131cyclictest0-21swapper/321:48:475
19923991311cyclictest2308-21snmpd20:53:074
1991799130cyclictest0-21swapper/122:50:511
1991799130cyclictest0-21swapper/122:06:021
1991799130cyclictest0-21swapper/121:29:131
1991799130cyclictest0-21swapper/121:29:121
1991799130cyclictest0-21swapper/120:40:091
1990699130cyclictest0-21swapper/023:55:220
1990699130cyclictest0-21swapper/022:26:480
1799130watchdog/10-21swapper/120:14:301
15050130irq/18-uhci_hcd0-21swapper/020:29:380
14050130irq/18-ehci_hcd0-21swapper/021:00:220
551120ksoftirqd/60-21swapper/622:25:158
551120ksoftirqd/60-21swapper/621:40:128
551120ksoftirqd/60-21swapper/621:40:128
551120ksoftirqd/60-21swapper/619:30:138
5499120migration/66442-21munin-node21:00:178
411120ksoftirqd/40-21swapper/422:25:156
201120ksoftirqd/10-21swapper/122:25:151
19948991211cyclictest0-21swapper/1119:25:343
19946991211cyclictest0-21swapper/923:31:0211
19946991211cyclictest0-21swapper/922:55:0411
19946991211cyclictest0-21swapper/900:13:2511
1994599125cyclictest0-21swapper/820:36:3810
1994599125cyclictest0-21swapper/800:05:0110
1994599125cyclictest0-21swapper/800:05:0110
1994599124cyclictest0-21swapper/823:15:0010
1994599124cyclictest0-21swapper/819:20:3810
1994599124cyclictest0-21swapper/819:20:3710
1994599123cyclictest0-21swapper/821:44:3810
1994599123cyclictest0-21swapper/821:44:3810
1994599123cyclictest0-21swapper/819:12:3810
1994599123cyclictest0-21swapper/819:12:3710
1994599123cyclictest0-21swapper/800:24:3810
1994599123cyclictest0-21swapper/800:04:3810
1994599122cyclictest9475-21ssh00:36:3810
1994499124cyclictest0-21swapper/700:25:019
1994499123cyclictest0-21swapper/719:28:399
1994499122cyclictest0-21swapper/723:43:089
1994399123cyclictest0-21swapper/622:50:008
1994399123cyclictest0-21swapper/622:40:018
1994399123cyclictest0-21swapper/620:45:018
1994399123cyclictest0-21swapper/619:25:028
1993899120cyclictest0-21swapper/423:32:286
1993899120cyclictest0-21swapper/400:30:186
1993099124cyclictest0-21swapper/323:55:175
1993099123cyclictest0-21swapper/320:05:095
1993099122cyclictest0-21swapper/323:50:145
1993099122cyclictest0-21swapper/323:10:165
1993099121cyclictest11761-21diskmemload00:12:145
1992399122cyclictest0-21swapper/221:15:144
19923991211cyclictest2308-21snmpd19:44:374
1992399120cyclictest0-21swapper/221:55:064
1991799122cyclictest0-21swapper/122:30:171
19917991210cyclictest0-21swapper/122:00:221
1990699124cyclictest0-21swapper/021:16:450
1990699122cyclictest0-21swapper/019:40:010
19906991210cyclictest0-21swapper/021:35:190
19906991210cyclictest0-21swapper/019:40:210
1990699120cyclictest0-21swapper/022:45:210
1990699120cyclictest0-21swapper/022:00:230
1990699120cyclictest0-21swapper/021:54:540
1990699120cyclictest0-21swapper/019:15:010
15050120irq/18-uhci_hcd0-21swapper/022:14:580
15050120irq/18-uhci_hcd0-21swapper/000:05:220
15050120irq/18-uhci_hcd0-21swapper/000:05:220
14050120irq/18-ehci_hcd0-21swapper/020:20:210
991950110irq/54-eth0-tx-0-21swapper/222:41:324
991850110irq/53-eth0-rx-0-21swapper/020:40:090
901110ksoftirqd/110-21swapper/1122:23:583
901110ksoftirqd/110-21swapper/1121:40:123
901110ksoftirqd/110-21swapper/1121:40:123
901110ksoftirqd/110-21swapper/1119:50:333
691110ksoftirqd/80-21swapper/822:25:1510
691110ksoftirqd/80-21swapper/819:55:1710
691110ksoftirqd/80-21swapper/819:50:3310
621110ksoftirqd/70-21swapper/700:37:069
551110ksoftirqd/60-21swapper/619:50:338
481110ksoftirqd/519974-21qemu-kvm22:25:157
481110ksoftirqd/50-21swapper/523:13:267
481110ksoftirqd/50-21swapper/521:40:127
481110ksoftirqd/50-21swapper/521:40:127
411110ksoftirqd/40-21swapper/421:40:126
411110ksoftirqd/40-21swapper/421:40:126
31110ksoftirqd/00-21swapper/020:50:220
31110ksoftirqd/00-21swapper/019:55:170
31110ksoftirqd/00-21swapper/019:50:330
31110ksoftirqd/00-21swapper/019:30:130
31110ksoftirqd/00-21swapper/000:00:190
271110ksoftirqd/20-21swapper/219:55:164
271110ksoftirqd/20-21swapper/219:50:334
201110ksoftirqd/10-21swapper/123:13:261
201110ksoftirqd/10-21swapper/122:23:581
201110ksoftirqd/10-21swapper/121:40:121
201110ksoftirqd/10-21swapper/121:40:121
201110ksoftirqd/10-21swapper/119:30:131
19948991110cyclictest12850irq/42-ahci19:18:183
19948991110cyclictest12850irq/42-ahci19:18:183
19946991110cyclictest0-21swapper/921:08:0511
1994599114cyclictest0-21swapper/821:54:3810
1994599114cyclictest0-21swapper/820:16:3910
1994599113cyclictest0-21swapper/823:36:3810
1994599113cyclictest0-21swapper/822:59:3710
1994599113cyclictest0-21swapper/822:51:2710
1994599113cyclictest0-21swapper/822:46:2610
1994599113cyclictest0-21swapper/821:33:2210
1994599113cyclictest0-21swapper/820:45:2310
1994599113cyclictest0-21swapper/820:26:3810
1994599113cyclictest0-21swapper/819:48:3810
1994599112cyclictest0-21swapper/823:48:3810
1994599112cyclictest0-21swapper/823:20:3810
1994599112cyclictest0-21swapper/821:06:3810
1994599111cyclictest0-21swapper/823:58:0910
1994599111cyclictest0-21swapper/800:31:0810
1994499113cyclictest0-21swapper/719:35:549
1994499113cyclictest0-21swapper/719:10:079
1994499113cyclictest0-21swapper/719:10:079
1994399119cyclictest5372-21python21:55:228
1994399113cyclictest0-21swapper/623:02:588
1994399113cyclictest0-21swapper/621:36:378
1994399113cyclictest0-21swapper/600:15:018
1994399113cyclictest0-21swapper/600:15:018
1994399112cyclictest0-21swapper/619:44:518
19943991110cyclictest11608-21qemu-kvm21:23:368
19938991110cyclictest991850irq/53-eth0-rx-19:40:386
1993099119cyclictest0-21swapper/323:01:505
1993099113cyclictest0-21swapper/319:55:165
1993099113cyclictest0-21swapper/319:15:185
1993099113cyclictest0-21swapper/319:15:185
1993099112cyclictest0-21swapper/322:09:515
19930991110cyclictest0-21swapper/322:00:175
1993099111cyclictest0-21swapper/320:52:535
1993099111cyclictest0-21swapper/319:50:595
1993099111cyclictest0-21swapper/319:40:155
1993099111cyclictest0-21swapper/300:39:505
1993099110cyclictest0-21swapper/322:19:505
1993099110cyclictest0-21swapper/300:21:305
1992399113cyclictest0-21swapper/219:25:164
1992399111cyclictest0-21swapper/221:25:154
1992399111cyclictest0-21swapper/221:25:144
1992399110cyclictest0-21swapper/223:50:254
1992399110cyclictest0-21swapper/223:24:334
1991799119cyclictest0-21swapper/121:47:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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