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2026-04-06 - 10:19
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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 Mon Apr 06, 2026 00:46:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9918501170irq/53-eth0-rx-0-21swapper/119:09:551
9918501020irq/53-eth0-rx-0-21swapper/319:07:255
128501020irq/42-ahci0-21swapper/219:09:594
991850930irq/53-eth0-rx-0-21swapper/819:08:0910
991850920irq/53-eth0-rx-0-21swapper/1019:06:422
991850890irq/53-eth0-rx-0-21swapper/719:06:119
991850890irq/53-eth0-rx-0-21swapper/519:06:597
2456628475sleep40-21swapper/419:05:566
15050710irq/18-uhci_hcd0-21swapper/1119:05:223
2454426253sleep00-21swapper/019:05:400
2472625955sleep90-21swapper/919:08:0211
2456825955sleep60-21swapper/619:05:588
2503499370cyclictest0-21swapper/020:25:220
25076993617cyclictest0-21swapper/1122:13:523
25063992928cyclictest19075-21sensors20:25:226
2507099280cyclictest0-21swapper/500:11:517
25075992726cyclictest991850irq/53-eth0-rx-20:25:212
25072992625cyclictest991850irq/53-eth0-rx-20:25:379
25043992423cyclictest991850irq/53-eth0-rx-20:25:261
25034992314cyclictest0-21swapper/019:29:260
25070992120cyclictest5259-21qemu-kvm20:25:347
2507699190cyclictest0-21swapper/1122:08:263
2507599192cyclictest991850irq/53-eth0-rx-21:23:182
2507599192cyclictest991850irq/53-eth0-rx-00:28:002
2503499190cyclictest47932sleep019:24:050
25075991817cyclictest0-21swapper/1023:30:132
25075991817cyclictest0-21swapper/1022:31:312
25075991816cyclictest24156-21ssh22:06:252
2507599181cyclictest991850irq/53-eth0-rx-23:40:252
2507599181cyclictest991850irq/53-eth0-rx-23:35:442
2507599181cyclictest991850irq/53-eth0-rx-23:28:482
2507599181cyclictest991850irq/53-eth0-rx-23:19:272
2507599181cyclictest991850irq/53-eth0-rx-23:14:412
2507599181cyclictest991850irq/53-eth0-rx-22:59:592
2507599181cyclictest991850irq/53-eth0-rx-22:54:272
2507599181cyclictest991850irq/53-eth0-rx-22:48:422
2507599181cyclictest991850irq/53-eth0-rx-22:10:422
2507599181cyclictest991850irq/53-eth0-rx-21:27:132
2507599181cyclictest991850irq/53-eth0-rx-21:15:242
2507599181cyclictest991850irq/53-eth0-rx-20:47:142
2507599181cyclictest991850irq/53-eth0-rx-20:47:142
2507599181cyclictest991850irq/53-eth0-rx-19:57:332
2507599181cyclictest991850irq/53-eth0-rx-00:12:192
2507599181cyclictest991850irq/53-eth0-rx-00:05:582
25071991816cyclictest24788-21qemu-kvm19:46:288
25071991816cyclictest24788-21qemu-kvm19:16:188
25071991816cyclictest24787-21qemu-kvm19:28:118
25071991816cyclictest16753-21qemu-kvm21:08:188
2503499182cyclictest0-21swapper/021:11:450
25075991716cyclictest17302-21kworker/10:123:50:002
25075991716cyclictest17302-21kworker/10:123:05:102
25075991716cyclictest0-21swapper/1023:01:132
25075991716cyclictest0-21swapper/1020:20:432
25075991716cyclictest0-21swapper/1020:15:162
25075991716cyclictest0-21swapper/1020:06:102
25075991716cyclictest0-21swapper/1019:52:072
25075991716cyclictest0-21swapper/1000:35:272
25075991716cyclictest0-21swapper/1000:30:372
25075991716cyclictest0-21swapper/1000:30:372
2507599170cyclictest991950irq/54-eth0-tx-23:56:112
2507599170cyclictest991850irq/53-eth0-rx-23:45:062
2507599170cyclictest991850irq/53-eth0-rx-23:20:132
2507599170cyclictest991850irq/53-eth0-rx-22:40:092
2507599170cyclictest991850irq/53-eth0-rx-22:35:122
2507599170cyclictest991850irq/53-eth0-rx-22:25:072
2507599170cyclictest991850irq/53-eth0-rx-22:15:082
2507599170cyclictest991850irq/53-eth0-rx-21:51:192
2507599170cyclictest991850irq/53-eth0-rx-21:46:172
2507599170cyclictest991850irq/53-eth0-rx-21:40:252
2507599170cyclictest991850irq/53-eth0-rx-21:36:202
2507599170cyclictest991850irq/53-eth0-rx-21:32:152
2507599170cyclictest991850irq/53-eth0-rx-21:07:202
2507599170cyclictest991850irq/53-eth0-rx-21:00:282
2507599170cyclictest991850irq/53-eth0-rx-21:00:282
2507599170cyclictest991850irq/53-eth0-rx-20:41:352
2507599170cyclictest991850irq/53-eth0-rx-20:37:352
2507599170cyclictest991850irq/53-eth0-rx-20:30:132
2507599170cyclictest991850irq/53-eth0-rx-19:46:292
2507599170cyclictest991850irq/53-eth0-rx-19:11:102
2507599170cyclictest991850irq/53-eth0-rx-00:21:322
2507599170cyclictest991850irq/53-eth0-rx-00:15:412
2507599170cyclictest991850irq/53-eth0-rx-00:00:092
2507599170cyclictest84362sleep1019:29:042
2507599170cyclictest8342sleep1019:16:142
2507599170cyclictest63872sleep1020:55:012
2507599170cyclictest45212sleep1019:20:262
2507599170cyclictest219342sleep1021:13:032
2507599170cyclictest191532sleep1019:41:052
2507599170cyclictest185492sleep1022:02:212
2507599170cyclictest155092sleep1019:36:042
2507599170cyclictest12850irq/42-ahci22:20:002
2507599170cyclictest12850irq/42-ahci20:14:142
2507599170cyclictest105702chrt21:55:202
25073991716cyclictest991850irq/53-eth0-rx-20:25:2210
25071991716cyclictest24788-21qemu-kvm19:41:258
2505199171cyclictest0-21swapper/221:47:594
25075991615cyclictest32352-21cat20:00:152
2507599160cyclictest991850irq/53-eth0-rx-20:53:242
2507399164cyclictest0-21swapper/823:30:0210
2507199162cyclictest0-21swapper/621:25:018
25071991614cyclictest24788-21qemu-kvm19:36:258
25070991615cyclictest5264-21qemu-kvm20:15:217
25070991614cyclictest2350-21ssh23:08:287
2507099160cyclictest0-21swapper/523:35:117
2507099160cyclictest0-21swapper/523:18:277
2507099160cyclictest0-21swapper/522:59:317
2507099160cyclictest0-21swapper/521:27:597
2507099160cyclictest0-21swapper/521:23:087
2506399161cyclictest0-21swapper/422:59:116
2506399160cyclictest0-21swapper/421:40:286
2505199160cyclictest0-21swapper/200:05:194
2503499161cyclictest0-21swapper/023:18:270
2503499161cyclictest0-21swapper/022:45:130
2503499160cyclictest0-21swapper/021:41:530
2503499160cyclictest0-21swapper/021:21:050
2507399155cyclictest0-21swapper/823:10:0110
2507399155cyclictest0-21swapper/821:50:0110
2507399154cyclictest0-21swapper/822:30:0010
25071991513cyclictest24788-21qemu-kvm19:14:488
2507099150cyclictest0-21swapper/523:32:197
2507099150cyclictest0-21swapper/522:45:197
2507099150cyclictest0-21swapper/522:35:277
2507099150cyclictest0-21swapper/522:01:077
2507099150cyclictest0-21swapper/521:40:447
2507099150cyclictest0-21swapper/521:37:587
2507099150cyclictest0-21swapper/521:15:467
2507099150cyclictest0-21swapper/521:11:197
2506399150cyclictest0-21swapper/423:17:456
2506399150cyclictest0-21swapper/422:46:036
2506399150cyclictest0-21swapper/422:05:116
2506399150cyclictest0-21swapper/422:04:336
2506399150cyclictest0-21swapper/421:46:156
2506399150cyclictest0-21swapper/421:26:406
2506399150cyclictest0-21swapper/421:22:546
2506399150cyclictest0-21swapper/400:12:026
25051991513cyclictest2308-21snmpd20:46:124
25051991513cyclictest2308-21snmpd20:46:124
2505199150cyclictest0-21swapper/223:18:084
2505199150cyclictest0-21swapper/222:59:454
2505199150cyclictest0-21swapper/222:05:114
2505199150cyclictest0-21swapper/222:01:044
2505199150cyclictest0-21swapper/221:42:164
2505199150cyclictest0-21swapper/219:25:264
2505199150cyclictest0-21swapper/200:19:464
25034991514cyclictest991850irq/53-eth0-rx-22:15:170
25034991514cyclictest991850irq/53-eth0-rx-22:10:240
25034991514cyclictest991850irq/53-eth0-rx-19:10:420
2503499150cyclictest0-21swapper/023:35:090
2503499150cyclictest0-21swapper/022:00:380
2503499150cyclictest0-21swapper/021:17:190
2503499150cyclictest0-21swapper/020:08:410
2503499150cyclictest0-21swapper/000:12:180
991950140irq/54-eth0-tx-0-21swapper/921:44:2311
4599140watchdog/50-21swapper/519:47:037
25075991412cyclictest0-21swapper/1019:34:572
2507399144cyclictest0-21swapper/823:55:0210
2507399143cyclictest0-21swapper/822:55:0010
2507199145cyclictest0-21swapper/623:25:018
25071991412cyclictest18498-21python23:20:228
2507099144cyclictest0-21swapper/520:55:157
2507099140cyclictest24785-21qemu-kvm19:20:167
2506399140cyclictest0-21swapper/419:35:016
25058991413cyclictest341ksoftirqd/323:50:535
25034991413cyclictest991850irq/53-eth0-rx-20:22:540
2503499140cyclictest0-21swapper/021:48:300
991950130irq/54-eth0-tx-0-21swapper/022:50:210
991950130irq/54-eth0-tx-0-21swapper/022:25:140
2507699133cyclictest0-21swapper/1122:55:003
25076991312cyclictest991850irq/53-eth0-rx-20:26:483
25076991312cyclictest991850irq/53-eth0-rx-20:24:093
25076991312cyclictest10572chrt19:19:153
2507399134cyclictest0-21swapper/820:15:0010
2507399134cyclictest0-21swapper/800:35:0110
2507399133cyclictest0-21swapper/822:35:0110
2507399133cyclictest0-21swapper/820:35:0010
2507399131cyclictest0-21swapper/823:00:1610
2507199133cyclictest0-21swapper/623:15:018
2507199133cyclictest0-21swapper/620:45:028
2507199133cyclictest0-21swapper/620:04:138
2507199133cyclictest0-21swapper/619:55:018
25071991311cyclictest24788-21qemu-kvm19:22:178
25070991312cyclictest14383-21ssh21:33:167
25070991311cyclictest24060-21ssh22:33:467
25051991311cyclictest2308-21snmpd21:33:574
14050130irq/18-ehci_hcd0-21swapper/023:25:100
14050130irq/18-ehci_hcd0-21swapper/022:55:040
14050130irq/18-ehci_hcd0-21swapper/000:20:220
991950120irq/54-eth0-tx-0-21swapper/023:46:350
991950120irq/54-eth0-tx-0-21swapper/022:09:590
761120ksoftirqd/90-21swapper/923:19:0911
31120ksoftirqd/00-21swapper/023:40:130
31120ksoftirqd/00-21swapper/022:40:020
2507699124cyclictest0-21swapper/1120:00:013
2507699123cyclictest0-21swapper/1122:19:573
2507699123cyclictest0-21swapper/1100:00:013
25076991211cyclictest25523-21chrt19:10:023
25076991210cyclictest0-21swapper/1122:50:163
2507399124cyclictest0-21swapper/823:40:0110
2507399124cyclictest0-21swapper/823:10:0110
2507399123cyclictest0-21swapper/823:20:0110
2507399123cyclictest0-21swapper/821:25:1810
2507399123cyclictest0-21swapper/821:02:1310
2507399123cyclictest0-21swapper/821:02:1210
2507399122cyclictest0-21swapper/820:05:5710
25073991210cyclictest0-21swapper/822:20:1010
2507199124cyclictest0-21swapper/622:35:018
2507199123cyclictest0-21swapper/622:10:018
2507199122cyclictest0-21swapper/619:53:278
25071991210cyclictest24787-21qemu-kvm19:31:228
25070991211cyclictest28828-21ssh23:03:517
25070991211cyclictest11748-21ssh22:23:497
2507099120cyclictest0-21swapper/521:48:057
2506399122cyclictest0-21swapper/419:30:006
2505899120cyclictest0-21swapper/322:19:175
2505199122cyclictest0-21swapper/220:40:004
25051991210cyclictest2308-21snmpd20:29:124
25034991211cyclictest991850irq/53-eth0-rx-20:30:180
14050120irq/18-ehci_hcd0-21swapper/020:39:370
991950110irq/54-eth0-tx-0-21swapper/023:32:060
991950110irq/54-eth0-tx-0-21swapper/023:03:000
991950110irq/54-eth0-tx-0-21swapper/022:34:040
991950110irq/54-eth0-tx-0-21swapper/021:27:370
991950110irq/54-eth0-tx-0-21swapper/000:01:010
991850110irq/53-eth0-rx-0-21swapper/623:54:548
991850110irq/53-eth0-rx-0-21swapper/021:56:090
991850110irq/53-eth0-rx-0-21swapper/021:54:200
991850110irq/53-eth0-rx-0-21swapper/019:32:490
901110ksoftirqd/110-21swapper/1123:19:093
901110ksoftirqd/110-21swapper/1122:35:263
761110ksoftirqd/90-21swapper/921:15:2511
621110ksoftirqd/70-21swapper/722:10:389
621110ksoftirqd/70-21swapper/720:50:149
551110ksoftirqd/60-21swapper/623:19:098
551110ksoftirqd/60-21swapper/623:08:568
551110ksoftirqd/60-21swapper/622:35:268
551110ksoftirqd/60-21swapper/622:29:028
551110ksoftirqd/60-21swapper/621:59:148
551110ksoftirqd/60-21swapper/621:41:578
551110ksoftirqd/60-21swapper/600:20:128
5499110migration/618120-21cpuspeed_turbos22:55:108
481110ksoftirqd/524788-21qemu-kvm19:10:117
481110ksoftirqd/50-21swapper/521:59:147
481110ksoftirqd/50-21swapper/519:30:147
411110ksoftirqd/40-21swapper/419:10:116
341110ksoftirqd/316907-21diskmemload23:19:105
341110ksoftirqd/30-21swapper/321:59:145
341110ksoftirqd/30-21swapper/321:15:255
341110ksoftirqd/30-21swapper/319:10:115
3199110watchdog/325217-21ssh22:08:125
31110ksoftirqd/00-21swapper/020:19:340
271110ksoftirqd/20-21swapper/222:35:254
2507699113cyclictest0-21swapper/1121:10:013
2507699113cyclictest0-21swapper/1120:55:013
2507699112cyclictest0-21swapper/1121:20:133
25076991110cyclictest991850irq/53-eth0-rx-22:22:503
2507699110cyclictest0-21swapper/1120:08:333
2507499119cyclictest0-21swapper/921:00:1311
2507499119cyclictest0-21swapper/921:00:1311
2507499110cyclictest0-21swapper/921:45:1311
2507499110cyclictest0-21swapper/920:50:1211
2507399113cyclictest0-21swapper/820:53:5710
2507399113cyclictest0-21swapper/820:15:5410
2507399113cyclictest0-21swapper/819:58:4210
2507399113cyclictest0-21swapper/819:47:5610
2507399113cyclictest0-21swapper/800:13:2610
2507399110cyclictest0-21swapper/821:50:0110
2507199113cyclictest0-21swapper/622:55:008
2507199113cyclictest0-21swapper/622:18:278
2507199113cyclictest0-21swapper/620:35:338
2507199113cyclictest0-21swapper/620:18:568
2507199113cyclictest0-21swapper/600:29:278
2507199113cyclictest0-21swapper/600:06:578
2507199112cyclictest0-21swapper/600:11:098
2507199111cyclictest0-21swapper/622:00:028
2507099113cyclictest5264-21qemu-kvm20:10:007
2507099113cyclictest0-21swapper/521:00:177
2507099113cyclictest0-21swapper/521:00:177
2507099113cyclictest0-21swapper/519:25:177
2507099111cyclictest0-21swapper/500:20:017
2506399113cyclictest0-21swapper/423:10:016
2506399113cyclictest0-21swapper/422:25:146
2506399113cyclictest0-21swapper/421:35:166
2506399113cyclictest0-21swapper/420:40:156
2505199119cyclictest2308-21snmpd19:24:574
2505199113cyclictest0-21swapper/220:30:164
2505199113cyclictest0-21swapper/219:45:164
2505199110cyclictest0-21swapper/200:00:324
2504399119cyclictest201ksoftirqd/121:16:081
2503499110cyclictest0-21swapper/023:05:060
2503499110cyclictest0-21swapper/020:40:200
2503499110cyclictest0-21swapper/000:26:110
201110ksoftirqd/10-21swapper/119:10:111
1699110watchdog/00-21swapper/000:15:180
15050110irq/18-uhci_hcd0-21swapper/000:36:120
14050110irq/18-ehci_hcd0-21swapper/019:15:130
991950100irq/54-eth0-tx-0-21swapper/823:36:2210
991950100irq/54-eth0-tx-0-21swapper/823:29:3710
991950100irq/54-eth0-tx-0-21swapper/822:16:1510
991950100irq/54-eth0-tx-0-21swapper/800:26:3310
991950100irq/54-eth0-tx-0-21swapper/723:05:179
991950100irq/54-eth0-tx-0-21swapper/700:20:519
991950100irq/54-eth0-tx-0-21swapper/623:55:148
991950100irq/54-eth0-tx-0-21swapper/300:33:215
991950100irq/54-eth0-tx-0-21swapper/300:33:205
991950100irq/54-eth0-tx-0-21swapper/1123:00:143
991950100irq/54-eth0-tx-0-21swapper/022:20:110
991850100irq/53-eth0-rx-0-21swapper/823:23:0110
991850100irq/53-eth0-rx-0-21swapper/821:56:4910
991850100irq/53-eth0-rx-0-21swapper/821:36:1710
991850100irq/53-eth0-rx-0-21swapper/423:41:206
991850100irq/53-eth0-rx-0-21swapper/423:26:116
991850100irq/53-eth0-rx-0-21swapper/223:32:224
991850100irq/53-eth0-rx-0-21swapper/222:40:054
991850100irq/53-eth0-rx-0-21swapper/221:29:484
991850100irq/53-eth0-rx-0-21swapper/121:51:361
991850100irq/53-eth0-rx-0-21swapper/121:36:221
991850100irq/53-eth0-rx-0-21swapper/023:55:060
991850100irq/53-eth0-rx-0-21swapper/020:11:090
991850100irq/53-eth0-rx-0-21swapper/000:34:420
991850100irq/53-eth0-rx-0-21swapper/000:34:420
991850100irq/53-eth0-rx-0-21swapper/000:08:330
901100ksoftirqd/110-21swapper/1123:38:113
901100ksoftirqd/110-21swapper/1122:47:043
901100ksoftirqd/110-21swapper/1122:44:113
901100ksoftirqd/110-21swapper/1122:04:013
901100ksoftirqd/110-21swapper/1120:50:133
901100ksoftirqd/110-21swapper/1100:20:123
8999100migration/117620-21cstates00:05:113
8999100migration/1115153-21runrttasks00:36:463
8999100migration/1112157-21sh21:30:243
8799100watchdog/110-21swapper/1121:55:223
8799100watchdog/110-21swapper/1121:25:063
761100ksoftirqd/90-21swapper/923:38:1011
761100ksoftirqd/90-21swapper/923:00:1411
761100ksoftirqd/90-21swapper/922:59:0811
761100ksoftirqd/90-21swapper/922:47:5711
761100ksoftirqd/90-21swapper/922:10:3911
761100ksoftirqd/90-21swapper/922:07:5711
761100ksoftirqd/90-21swapper/921:59:1511
761100ksoftirqd/90-21swapper/921:23:0711
761100ksoftirqd/90-21swapper/920:47:3811
761100ksoftirqd/90-21swapper/920:47:3811
761100ksoftirqd/90-21swapper/900:27:4411
761100ksoftirqd/90-21swapper/900:22:5211
7599100migration/95829-21taskset21:51:4711
7599100migration/95487-21latency21:25:1911
691100ksoftirqd/80-21swapper/822:44:1210
691100ksoftirqd/80-21swapper/822:10:3810
691100ksoftirqd/80-21swapper/822:07:5710
691100ksoftirqd/80-21swapper/822:04:0010
691100ksoftirqd/80-21swapper/800:20:1210
6899100migration/817930-21cpuspeed_turbos21:10:1110
6699100watchdog/80-21swapper/800:06:3010
621100ksoftirqd/70-21swapper/723:19:109
621100ksoftirqd/70-21swapper/722:59:079
621100ksoftirqd/70-21swapper/722:47:039
621100ksoftirqd/70-21swapper/722:21:129
621100ksoftirqd/70-21swapper/721:55:269
621100ksoftirqd/70-21swapper/721:41:279
621100ksoftirqd/70-21swapper/721:29:309
621100ksoftirqd/70-21swapper/721:15:259
621100ksoftirqd/70-21swapper/720:40:179
621100ksoftirqd/70-21swapper/719:10:119
6199100migration/79246-21cstates_1123:40:139
6199100migration/79176-21latency_hist20:15:009
6199100migration/75782-21sh23:36:249
6199100migration/74293-21cpuspeed_turbos23:10:119
6199100migration/719211-21runrttasks00:15:109
6199100migration/716716-21diskmemload00:11:459
6199100migration/713948-21switchtime00:35:269
5999100watchdog/70-21swapper/700:05:439
551100ksoftirqd/60-21swapper/622:21:128
551100ksoftirqd/60-21swapper/622:07:578
551100ksoftirqd/60-21swapper/621:52:368
551100ksoftirqd/60-21swapper/621:46:108
551100ksoftirqd/60-21swapper/621:31:178
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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