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2026-04-14 - 07:27
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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 Tue Apr 14, 2026 00:46:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9918501140irq/53-eth0-rx-0-21swapper/219:09:264
9918501100irq/53-eth0-rx-0-21swapper/719:09:119
6601210895sleep90-21swapper/919:06:5711
6572210895sleep100-21swapper/1019:06:342
12850990irq/42-ahci0-21swapper/119:09:071
991850950irq/53-eth0-rx-0-21swapper/519:05:557
991850950irq/53-eth0-rx-0-21swapper/319:05:225
991850930irq/53-eth0-rx-0-21swapper/419:06:066
991850920irq/53-eth0-rx-0-21swapper/819:07:4510
991850660irq/53-eth0-rx-0-21swapper/1119:05:143
653926253sleep60-21swapper/619:06:068
660925853sleep00-21swapper/019:07:000
703499330cyclictest0-21swapper/1121:22:413
699299310cyclictest0-21swapper/020:29:370
7034992914cyclictest0-21swapper/1119:18:013
7033992822cyclictest18679-21diskstats23:10:142
7033992811cyclictest831ksoftirqd/1023:31:172
7033992811cyclictest831ksoftirqd/1023:31:172
701799280cyclictest0-21swapper/322:48:415
7011992827cyclictest991850irq/53-eth0-rx-20:29:224
7031992726cyclictest991850irq/53-eth0-rx-20:29:2210
6992992726cyclictest0-21swapper/022:26:430
699299260cyclictest0-21swapper/019:23:360
703399247cyclictest831ksoftirqd/1021:56:472
699299249cyclictest0-21swapper/021:20:120
7034992322cyclictest0-21swapper/1119:25:363
7034992221cyclictest0-21swapper/1119:13:433
703499220cyclictest0-21swapper/1119:22:433
6992992221cyclictest0-21swapper/019:19:530
699299220cyclictest0-21swapper/022:30:500
699299210cyclictest0-21swapper/021:11:530
7030992014cyclictest12850irq/42-ahci20:29:259
699299201cyclictest0-21swapper/021:19:530
703399192cyclictest991850irq/53-eth0-rx-21:12:192
703099193cyclictest0-21swapper/721:50:119
7033991817cyclictest831ksoftirqd/1020:15:282
7033991817cyclictest831ksoftirqd/1020:15:272
7033991817cyclictest811rcuc/1023:53:182
7033991817cyclictest0-21swapper/1023:29:122
7033991817cyclictest0-21swapper/1023:23:272
7033991817cyclictest0-21swapper/1022:27:392
7033991817cyclictest0-21swapper/1021:51:292
7033991817cyclictest0-21swapper/1021:43:582
7033991817cyclictest0-21swapper/1021:34:362
7033991817cyclictest0-21swapper/1021:26:032
7033991817cyclictest0-21swapper/1020:10:042
703399181cyclictest991950irq/54-eth0-tx-21:46:532
703399181cyclictest991850irq/53-eth0-rx-23:57:242
703399181cyclictest991850irq/53-eth0-rx-23:35:352
703399181cyclictest991850irq/53-eth0-rx-23:19:392
703399181cyclictest991850irq/53-eth0-rx-23:07:252
703399181cyclictest991850irq/53-eth0-rx-22:50:132
703399181cyclictest991850irq/53-eth0-rx-22:12:582
703399181cyclictest991850irq/53-eth0-rx-21:38:152
703399181cyclictest991850irq/53-eth0-rx-19:12:362
703399181cyclictest991850irq/53-eth0-rx-00:25:192
703399181cyclictest831ksoftirqd/1022:23:382
703399181cyclictest831ksoftirqd/1022:07:242
703099183cyclictest0-21swapper/720:37:429
703099183cyclictest0-21swapper/720:37:429
7029991816cyclictest27847-21python22:50:248
7029991816cyclictest19583-21qemu-kvm20:16:328
7029991816cyclictest19583-21qemu-kvm20:16:328
7028991816cyclictest10658-21ssh23:55:207
7017991817cyclictest23853-21latency_hist21:00:015
7011991816cyclictest2308-21snmpd19:37:104
6992991816cyclictest17385-21kworker/0:022:21:590
7033991716cyclictest831ksoftirqd/1020:00:122
7033991716cyclictest0-21swapper/1021:00:212
703399170cyclictest991950irq/54-eth0-tx-22:45:022
703399170cyclictest991850irq/53-eth0-rx-23:45:132
703399170cyclictest991850irq/53-eth0-rx-22:55:262
703399170cyclictest991850irq/53-eth0-rx-22:40:322
703399170cyclictest991850irq/53-eth0-rx-22:15:192
703399170cyclictest991850irq/53-eth0-rx-22:00:202
703399170cyclictest991850irq/53-eth0-rx-21:15:182
703399170cyclictest991850irq/53-eth0-rx-20:40:042
703399170cyclictest991850irq/53-eth0-rx-20:40:042
703399170cyclictest991850irq/53-eth0-rx-20:05:182
703399170cyclictest991850irq/53-eth0-rx-19:35:052
703399170cyclictest991850irq/53-eth0-rx-19:16:062
703399170cyclictest991850irq/53-eth0-rx-00:10:132
703399170cyclictest991850irq/53-eth0-rx-00:07:302
703399170cyclictest991850irq/53-eth0-rx-00:00:112
703399170cyclictest98452sleep1000:20:462
703399170cyclictest90922sleep1023:01:372
703399170cyclictest89962chrt20:36:312
703399170cyclictest89962chrt20:36:302
703399170cyclictest84632sleep1019:51:392
703399170cyclictest831ksoftirqd/1021:20:122
703399170cyclictest831ksoftirqd/1021:05:112
703399170cyclictest811rcuc/1020:45:142
703399170cyclictest811rcuc/1000:15:132
703399170cyclictest43472sleep1022:31:202
703399170cyclictest40602sleep1020:30:192
703399170cyclictest314232chrt19:40:132
703399170cyclictest289372sleep1000:37:002
703399170cyclictest275432sleep1020:20:062
703399170cyclictest255672sleep1019:30:242
703399170cyclictest252362sleep1023:40:282
703399170cyclictest236252sleep1020:57:102
703399170cyclictest225192sleep1019:25:482
703399170cyclictest213032chrt00:30:232
703399170cyclictest200262sleep1020:52:442
703399170cyclictest15572sleep1020:25:542
703399170cyclictest12850irq/42-ahci19:45:082
703399170cyclictest12850irq/42-ahci19:20:432
703399170cyclictest100762sleep1022:35:342
7032991716cyclictest0-21swapper/923:57:0711
7032991716cyclictest0-21swapper/923:45:0311
7032991716cyclictest0-21swapper/923:40:1711
7032991716cyclictest0-21swapper/923:35:0311
7032991716cyclictest0-21swapper/923:15:2211
7032991716cyclictest0-21swapper/923:01:1411
7032991716cyclictest0-21swapper/922:48:5011
7032991716cyclictest0-21swapper/922:32:3211
7032991716cyclictest0-21swapper/922:20:1911
7032991716cyclictest0-21swapper/922:12:4911
7032991716cyclictest0-21swapper/921:40:2511
7032991716cyclictest0-21swapper/921:32:4811
7032991716cyclictest0-21swapper/920:50:4311
7032991716cyclictest0-21swapper/920:39:4711
7032991716cyclictest0-21swapper/920:39:4611
7032991716cyclictest0-21swapper/920:16:3211
7032991716cyclictest0-21swapper/920:16:3211
7032991716cyclictest0-21swapper/920:10:5111
7032991716cyclictest0-21swapper/920:05:1711
7032991716cyclictest0-21swapper/920:01:2911
7032991716cyclictest0-21swapper/919:53:5611
7032991716cyclictest0-21swapper/919:37:1511
7032991716cyclictest0-21swapper/919:13:5311
7032991716cyclictest0-21swapper/900:37:4911
7032991716cyclictest0-21swapper/900:23:1311
7032991716cyclictest0-21swapper/900:09:3011
7032991715cyclictest741rcuc/919:32:5911
7032991715cyclictest0-21swapper/921:17:1911
7029991716cyclictest19583-21qemu-kvm20:42:058
7029991716cyclictest19583-21qemu-kvm20:42:058
7028991716cyclictest1125-21ssh23:49:177
7028991715cyclictest14599-21ssh23:33:217
7028991715cyclictest14599-21ssh23:33:217
702499170cyclictest0-21swapper/422:44:156
7017991716cyclictest2745-21runrttasks23:15:185
7011991715cyclictest2308-21snmpd21:33:414
7011991715cyclictest2308-21snmpd19:46:254
7011991715cyclictest2308-21snmpd00:34:274
6992991716cyclictest0-21swapper/019:13:470
703499160cyclictest0-21swapper/1122:14:433
7032991615cyclictest761ksoftirqd/923:10:3311
7032991615cyclictest761ksoftirqd/921:35:0611
7032991615cyclictest761ksoftirqd/920:45:1711
7032991615cyclictest761ksoftirqd/919:25:5111
7032991615cyclictest761ksoftirqd/900:00:0211
7032991615cyclictest12-21rcu_preempt20:43:2411
7032991615cyclictest12-21rcu_preempt20:43:2411
7032991615cyclictest0-21swapper/923:50:1511
7032991615cyclictest0-21swapper/923:30:3811
7032991615cyclictest0-21swapper/923:30:3811
7032991615cyclictest0-21swapper/923:25:0411
7032991615cyclictest0-21swapper/923:20:0211
7032991615cyclictest0-21swapper/923:05:2811
7032991615cyclictest0-21swapper/922:55:1511
7032991615cyclictest0-21swapper/922:50:0711
7032991615cyclictest0-21swapper/922:40:4611
7032991615cyclictest0-21swapper/922:36:0011
7032991615cyclictest0-21swapper/922:25:1011
7032991615cyclictest0-21swapper/922:15:0611
7032991615cyclictest0-21swapper/922:05:0611
7032991615cyclictest0-21swapper/922:00:0511
7032991615cyclictest0-21swapper/921:55:5711
7032991615cyclictest0-21swapper/921:50:4511
7032991615cyclictest0-21swapper/921:45:1211
7032991615cyclictest0-21swapper/921:25:0711
7032991615cyclictest0-21swapper/921:20:2911
7032991615cyclictest0-21swapper/921:11:0011
7032991615cyclictest0-21swapper/921:05:4711
7032991615cyclictest0-21swapper/921:00:1211
7032991615cyclictest0-21swapper/920:55:0611
7032991615cyclictest0-21swapper/920:30:1411
7032991615cyclictest0-21swapper/920:25:1411
7032991615cyclictest0-21swapper/920:21:2011
7032991615cyclictest0-21swapper/919:55:0211
7032991615cyclictest0-21swapper/919:45:0411
7032991615cyclictest0-21swapper/919:40:2111
7032991615cyclictest0-21swapper/919:20:2011
7032991615cyclictest0-21swapper/919:15:0911
7032991615cyclictest0-21swapper/900:31:2511
7032991615cyclictest0-21swapper/900:25:2711
7032991615cyclictest0-21swapper/900:17:1711
7032991615cyclictest0-21swapper/900:10:1611
7029991615cyclictest31067-21qemu-kvm21:10:368
7029991614cyclictest31067-21qemu-kvm21:23:218
7029991614cyclictest19582-21qemu-kvm20:26:358
702999160cyclictest0-21swapper/620:21:598
7028991615cyclictest6984-21qemu-kvm22:08:407
7028991615cyclictest28354-21ssh21:32:547
702499161cyclictest0-21swapper/422:31:176
702499161cyclictest0-21swapper/422:00:166
702499160cyclictest0-21swapper/422:57:506
702499160cyclictest0-21swapper/422:48:216
702499160cyclictest0-21swapper/422:26:476
702499160cyclictest0-21swapper/422:22:466
702499160cyclictest0-21swapper/421:09:396
702499160cyclictest0-21swapper/400:07:586
7017991615cyclictest31224-21diskmemload00:00:275
7017991615cyclictest30312-21sh22:25:575
7011991614cyclictest2308-21snmpd22:56:264
7011991614cyclictest2308-21snmpd22:39:424
7011991614cyclictest2308-21snmpd21:41:574
700399160cyclictest0-21swapper/121:45:171
699299160cyclictest0-21swapper/022:14:300
699299160cyclictest0-21swapper/000:10:190
703499150cyclictest30431-21chrt20:21:553
703199153cyclictest0-21swapper/823:55:0210
703099154cyclictest0-21swapper/723:20:019
703099154cyclictest0-21swapper/719:15:009
703099154cyclictest0-21swapper/700:35:009
703099154cyclictest0-21swapper/700:25:029
703099151cyclictest0-21swapper/720:15:169
703099151cyclictest0-21swapper/720:15:159
7029991514cyclictest19582-21qemu-kvm20:10:478
702899150cyclictest0-21swapper/522:48:537
702499157cyclictest7498-21ssh23:00:216
702499157cyclictest31224-21diskmemload00:16:076
702499157cyclictest0-21swapper/422:05:286
702499157cyclictest0-21swapper/420:15:166
702499157cyclictest0-21swapper/420:15:166
702499157cyclictest0-21swapper/400:29:026
702499156cyclictest0-21swapper/419:56:166
702499150cyclictest31224-21diskmemload23:43:296
702499150cyclictest0-21swapper/423:37:026
702499150cyclictest0-21swapper/423:24:056
702499150cyclictest0-21swapper/423:14:286
702499150cyclictest0-21swapper/422:19:186
702499150cyclictest0-21swapper/421:53:146
702499150cyclictest0-21swapper/421:27:346
702499150cyclictest0-21swapper/421:18:266
702499150cyclictest0-21swapper/420:38:006
702499150cyclictest0-21swapper/420:37:596
702499150cyclictest0-21swapper/420:10:256
702499150cyclictest0-21swapper/419:40:176
702499150cyclictest0-21swapper/419:21:166
702499150cyclictest0-21swapper/419:15:066
702499150cyclictest0-21swapper/419:13:026
702499150cyclictest0-21swapper/400:32:106
701799150cyclictest0-21swapper/322:31:205
701799150cyclictest0-21swapper/322:07:525
701799150cyclictest0-21swapper/320:25:015
701199150cyclictest0-21swapper/223:40:174
701199150cyclictest0-21swapper/222:50:314
701199150cyclictest0-21swapper/222:48:434
701199150cyclictest0-21swapper/222:14:014
701199150cyclictest0-21swapper/222:07:514
701199150cyclictest0-21swapper/222:00:264
701199150cyclictest0-21swapper/221:50:114
701199150cyclictest0-21swapper/221:47:424
701199150cyclictest0-21swapper/200:15:484
700399150cyclictest0-21swapper/122:50:401
700399150cyclictest0-21swapper/122:31:061
700399150cyclictest0-21swapper/121:51:181
699299150cyclictest0-21swapper/023:40:170
699299150cyclictest0-21swapper/022:50:380
699299150cyclictest0-21swapper/022:48:260
699299150cyclictest0-21swapper/022:01:560
699299150cyclictest0-21swapper/021:55:350
699299150cyclictest0-21swapper/020:00:200
699299150cyclictest0-21swapper/019:25:260
699299150cyclictest0-21swapper/000:25:220
14050150irq/18-ehci_hcd0-21swapper/023:50:230
703499144cyclictest0-21swapper/1123:05:013
7034991413cyclictest991850irq/53-eth0-rx-22:28:153
7034991413cyclictest991850irq/53-eth0-rx-22:22:453
7034991412cyclictest25397-21tail21:30:163
7031991410cyclictest0-21swapper/821:10:1710
703099144cyclictest0-21swapper/722:15:019
703099144cyclictest0-21swapper/721:00:019
703099143cyclictest0-21swapper/722:50:019
703099141cyclictest0-21swapper/720:14:119
7029991413cyclictest31067-21qemu-kvm21:17:428
7029991413cyclictest19583-21qemu-kvm20:47:228
7028991413cyclictest29424-21ssh00:37:507
7028991413cyclictest19577-21qemu-kvm20:29:337
702899140cyclictest0-21swapper/500:10:197
702499147cyclictest0-21swapper/421:58:216
702499141cyclictest0-21swapper/422:14:116
702499140cyclictest0-21swapper/423:33:036
702499140cyclictest0-21swapper/423:33:036
702499140cyclictest0-21swapper/421:48:176
702499140cyclictest0-21swapper/421:41:506
702499140cyclictest0-21swapper/420:51:336
702499140cyclictest0-21swapper/420:28:436
702499140cyclictest0-21swapper/420:00:186
701799142cyclictest0-21swapper/321:58:445
701199144cyclictest0-21swapper/219:50:164
7011991412cyclictest2308-21snmpd21:55:114
701199140cyclictest0-21swapper/220:50:164
701199140cyclictest0-21swapper/200:25:134
700399140cyclictest0-21swapper/100:15:461
5299140watchdog/60-21swapper/621:34:348
14050140irq/18-ehci_hcd0-21swapper/019:45:220
703499134cyclictest0-21swapper/1123:20:013
703499134cyclictest0-21swapper/1120:17:323
703499134cyclictest0-21swapper/1120:17:323
703499133cyclictest0-21swapper/1123:50:113
703499133cyclictest0-21swapper/1122:50:013
703499133cyclictest0-21swapper/1121:09:563
703499133cyclictest0-21swapper/1120:14:553
703499132cyclictest0-21swapper/1123:25:013
7034991312cyclictest991850irq/53-eth0-rx-21:15:133
7034991312cyclictest203152sleep1122:19:573
7034991312cyclictest0-21swapper/1119:30:053
7033991312cyclictest0-21swapper/1019:55:192
703199133cyclictest0-21swapper/823:31:0210
703199133cyclictest0-21swapper/823:31:0110
703199133cyclictest0-21swapper/822:10:0110
703199133cyclictest0-21swapper/820:45:0210
703199133cyclictest0-21swapper/820:45:0110
703199133cyclictest0-21swapper/819:11:0110
703199130cyclictest0-21swapper/819:25:0010
703099134cyclictest0-21swapper/723:45:019
703099134cyclictest0-21swapper/722:20:019
703099133cyclictest0-21swapper/722:12:279
703099133cyclictest0-21swapper/721:40:019
703099133cyclictest0-21swapper/720:30:109
703099133cyclictest0-21swapper/719:20:019
702999133cyclictest0-21swapper/600:25:128
7028991312cyclictest3286-21ssh21:39:517
702499136cyclictest0-21swapper/423:57:046
702499136cyclictest0-21swapper/420:41:056
702499136cyclictest0-21swapper/420:41:056
702499136cyclictest0-21swapper/400:23:156
702499130cyclictest0-21swapper/420:08:326
702499130cyclictest0-21swapper/419:47:396
701799132cyclictest0-21swapper/322:43:555
701799131cyclictest2242-40kipmi019:20:165
7011991311cyclictest2308-21snmpd23:54:124
699299139cyclictest17385-21kworker/0:022:09:100
5299130watchdog/60-21swapper/621:35:138
31130ksoftirqd/00-21swapper/000:30:230
991950120irq/54-eth0-tx-0-21swapper/022:40:100
991950120irq/54-eth0-tx-0-21swapper/000:16:000
703499124cyclictest0-21swapper/1100:05:013
703499123cyclictest0-21swapper/1120:55:003
703499123cyclictest0-21swapper/1120:35:013
703499122cyclictest0-21swapper/1122:35:413
703499122cyclictest0-21swapper/1100:21:023
703199123cyclictest0-21swapper/822:37:0210
703199123cyclictest0-21swapper/822:15:0110
703199123cyclictest0-21swapper/822:12:4310
703199123cyclictest0-21swapper/821:51:0110
703199122cyclictest0-21swapper/821:25:1910
703099124cyclictest0-21swapper/723:20:019
703099124cyclictest0-21swapper/722:10:019
703099124cyclictest0-21swapper/721:45:019
703099124cyclictest0-21swapper/719:10:409
703099123cyclictest0-21swapper/723:00:019
703099123cyclictest0-21swapper/719:25:019
703099123cyclictest0-21swapper/700:00:029
703099122cyclictest0-21swapper/722:30:139
703099122cyclictest0-21swapper/722:00:119
703099122cyclictest0-21swapper/720:45:559
702999123cyclictest0-21swapper/623:15:018
702999123cyclictest0-21swapper/623:10:008
702999123cyclictest0-21swapper/621:47:018
702999123cyclictest0-21swapper/620:03:018
702999123cyclictest0-21swapper/619:40:008
702999123cyclictest0-21swapper/600:23:028
702999123cyclictest0-21swapper/600:03:018
702999122cyclictest0-21swapper/623:51:018
702999122cyclictest0-21swapper/621:55:568
702999122cyclictest0-21swapper/620:06:548
702999121cyclictest0-21swapper/623:35:488
702999121cyclictest0-21swapper/623:25:018
7028991211cyclictest6747-21qemu-kvm19:33:007
7028991210cyclictest6984-21qemu-kvm22:25:127
702899120cyclictest0-21swapper/522:01:237
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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