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2026-08-24 - 06:51
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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 Aug 24, 2026 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501100irq/42-ahci0-21swapper/119:08:231
8393210795sleep70-21swapper/719:05:129
11240210794sleep80-21swapper/819:06:2510
11234210694sleep20-21swapper/219:06:184
30549501050irq/53-eth0-rx-0-21swapper/919:09:3611
12250980irq/42-ahci0-21swapper/1019:05:002
1135429584sleep110-21swapper/1119:07:513
3054950940irq/53-eth0-rx-0-21swapper/519:07:107
3054950940irq/53-eth0-rx-0-21swapper/419:06:466
12250920irq/42-ahci0-21swapper/319:08:345
1137326653sleep00-21swapper/019:08:050
839225955sleep60-21swapper/619:05:108
11718993924cyclictest23280-21kworker/11:121:20:063
11718993332cyclictest0-21swapper/1121:19:543
11712992912cyclictest831ksoftirqd/1021:16:392
11712992710cyclictest831ksoftirqd/1019:15:142
1171299269cyclictest831ksoftirqd/1023:56:412
1171299258cyclictest831ksoftirqd/1021:35:192
1171299258cyclictest831ksoftirqd/1000:03:552
1167199250cyclictest0-21swapper/020:13:120
1171299247cyclictest831ksoftirqd/1023:30:212
11712992314cyclictest831ksoftirqd/1023:47:342
11712992221cyclictest0-21swapper/1000:33:442
1167199200cyclictest0-21swapper/020:16:050
1167199200cyclictest0-21swapper/020:16:040
1171299192cyclictest831ksoftirqd/1023:35:212
1171299192cyclictest831ksoftirqd/1022:49:562
1171299192cyclictest831ksoftirqd/1022:43:352
1171299192cyclictest831ksoftirqd/1019:35:172
1171299192cyclictest831ksoftirqd/1000:29:552
1171299192cyclictest831ksoftirqd/1000:10:122
1171299192cyclictest3054950irq/53-eth0-rx-22:26:382
1171299192cyclictest3054950irq/53-eth0-rx-00:07:162
11712991914cyclictest831ksoftirqd/1020:55:142
1171199192cyclictest0-21swapper/923:18:5711
1167199194cyclictest14836-21kworker/0:121:14:360
1167199190cyclictest0-21swapper/022:13:190
11712991817cyclictest831ksoftirqd/1023:20:132
11712991817cyclictest831ksoftirqd/1022:00:012
11712991817cyclictest18654-21ssh22:13:122
11712991817cyclictest0-21swapper/1023:10:212
11712991817cyclictest0-21swapper/1023:00:302
11712991817cyclictest0-21swapper/1022:09:532
11712991817cyclictest0-21swapper/1019:23:072
1171299181cyclictest831ksoftirqd/1021:57:532
1171299181cyclictest831ksoftirqd/1021:30:212
1171299181cyclictest831ksoftirqd/1021:20:052
1171299181cyclictest831ksoftirqd/1021:05:262
1171299181cyclictest831ksoftirqd/1021:00:112
1171299181cyclictest831ksoftirqd/1020:21:152
1171299181cyclictest831ksoftirqd/1000:35:432
1171299181cyclictest3055050irq/54-eth0-tx-23:41:552
1171299181cyclictest3055050irq/54-eth0-tx-23:41:542
1171299181cyclictest3055050irq/54-eth0-tx-22:56:202
1171299181cyclictest3054950irq/53-eth0-rx-23:52:212
1171299181cyclictest3054950irq/53-eth0-rx-23:28:192
1171299181cyclictest3054950irq/53-eth0-rx-23:28:182
1171299181cyclictest3054950irq/53-eth0-rx-23:15:112
1171299181cyclictest3054950irq/53-eth0-rx-23:05:192
1171299181cyclictest3054950irq/53-eth0-rx-22:50:482
1171299181cyclictest3054950irq/53-eth0-rx-22:35:162
1171299181cyclictest3054950irq/53-eth0-rx-22:22:432
1171299181cyclictest3054950irq/53-eth0-rx-22:15:352
1171299181cyclictest3054950irq/53-eth0-rx-21:52:022
1171299181cyclictest3054950irq/53-eth0-rx-21:45:122
1171299181cyclictest3054950irq/53-eth0-rx-21:44:412
1171299181cyclictest3054950irq/53-eth0-rx-21:25:412
1171299181cyclictest3054950irq/53-eth0-rx-21:10:122
1171299181cyclictest3054950irq/53-eth0-rx-20:30:432
1171299181cyclictest3054950irq/53-eth0-rx-20:30:422
1171299181cyclictest3054950irq/53-eth0-rx-20:17:402
1171299181cyclictest3054950irq/53-eth0-rx-20:17:402
1171299181cyclictest3054950irq/53-eth0-rx-19:11:432
1171299181cyclictest3054950irq/53-eth0-rx-00:23:542
1171299181cyclictest3054950irq/53-eth0-rx-00:16:582
11711991816cyclictest25049-21processes21:25:2111
11711991816cyclictest14955-21ssh23:28:2811
11711991816cyclictest14955-21ssh23:28:2711
1171199181cyclictest761ksoftirqd/920:30:2111
1171199181cyclictest761ksoftirqd/920:30:2011
1171199181cyclictest21076-21grep22:40:1911
1171199181cyclictest17516-21kworker/9:122:19:3511
1171199181cyclictest0-21swapper/923:55:5511
1171199181cyclictest0-21swapper/923:43:2011
1171199181cyclictest0-21swapper/923:43:1911
1171199181cyclictest0-21swapper/923:20:0111
1171199181cyclictest0-21swapper/923:13:3411
1171199181cyclictest0-21swapper/922:52:5911
1171199181cyclictest0-21swapper/922:38:2611
1171199181cyclictest0-21swapper/921:15:2311
1171199181cyclictest0-21swapper/920:35:1111
1170999183cyclictest0-21swapper/723:30:529
1170999180cyclictest0-21swapper/721:23:399
11707991816cyclictest3452-21qemu-kvm21:08:437
1167199180cyclictest3055050irq/54-eth0-tx-21:26:130
11712991716cyclictest0-21swapper/1020:10:012
11712991716cyclictest0-21swapper/1019:25:212
1171299170cyclictest831ksoftirqd/1022:30:122
1171299170cyclictest831ksoftirqd/1020:40:142
1171299170cyclictest831ksoftirqd/1020:25:122
1171299170cyclictest831ksoftirqd/1019:40:242
1171299170cyclictest3054950irq/53-eth0-rx-19:55:012
1171299170cyclictest3054950irq/53-eth0-rx-19:46:312
1171299170cyclictest3054950irq/53-eth0-rx-19:30:232
1171299170cyclictest203592sleep1020:45:252
1171299170cyclictest12250irq/42-ahci20:50:242
1171299170cyclictest12250irq/42-ahci20:36:112
1171299170cyclictest12250irq/42-ahci20:05:222
1171299170cyclictest12250irq/42-ahci20:02:452
1171299170cyclictest12250irq/42-ahci19:50:422
11711991716cyclictest0-21swapper/900:05:2611
11711991715cyclictest6617-21ssh22:03:5611
11711991715cyclictest29977-21taskset22:48:3011
11711991715cyclictest16585-21ssh23:03:5911
11711991715cyclictest12215-21ssh22:07:5111
1171199171cyclictest26686-21grep00:30:1311
1171199170cyclictest3055050irq/54-eth0-tx-21:22:3211
1171199170cyclictest0-21swapper/922:26:3111
1171199170cyclictest0-21swapper/921:54:0211
1171199170cyclictest0-21swapper/921:30:2211
1171199170cyclictest0-21swapper/920:00:2511
1171199170cyclictest0-21swapper/919:46:5411
1171199170cyclictest0-21swapper/919:20:0011
1171199170cyclictest0-21swapper/900:26:0211
1170999173cyclictest0-21swapper/721:27:379
1170999173cyclictest0-21swapper/700:38:189
1170999172cyclictest0-21swapper/722:48:089
1170999172cyclictest0-21swapper/721:55:089
1170999172cyclictest0-21swapper/700:22:289
11708991715cyclictest24294-21qemu-kvm20:12:218
11708991715cyclictest24293-21qemu-kvm20:42:178
11708991715cyclictest24293-21qemu-kvm20:34:188
11708991715cyclictest24293-21qemu-kvm20:34:178
11707991715cyclictest3452-21qemu-kvm21:17:297
11707991715cyclictest2685-21munin-node23:45:257
1171899160cyclictest0-21swapper/1119:20:033
1171199164cyclictest0-21swapper/921:00:0111
11711991615cyclictest0-21swapper/923:51:5411
11711991615cyclictest0-21swapper/923:32:2611
11711991615cyclictest0-21swapper/921:58:5811
11711991615cyclictest0-21swapper/921:37:4011
11711991615cyclictest0-21swapper/919:40:0911
11711991615cyclictest0-21swapper/900:17:4811
11711991614cyclictest9638-21ssh22:57:4811
1170999165cyclictest0-21swapper/700:25:029
1170999163cyclictest0-21swapper/723:57:099
1170999163cyclictest0-21swapper/723:47:189
1170999163cyclictest0-21swapper/723:05:109
1170999163cyclictest0-21swapper/721:39:379
1170999163cyclictest0-21swapper/720:56:079
1170999163cyclictest0-21swapper/720:26:079
1170999163cyclictest0-21swapper/720:22:319
1170999163cyclictest0-21swapper/720:02:359
1170999163cyclictest0-21swapper/719:37:259
1170999163cyclictest0-21swapper/700:13:589
1170999162cyclictest0-21swapper/723:51:099
1170999162cyclictest0-21swapper/723:42:409
1170999162cyclictest0-21swapper/723:42:399
1170999162cyclictest0-21swapper/723:00:529
1170999162cyclictest0-21swapper/722:11:039
1170999162cyclictest0-21swapper/722:01:379
1170999162cyclictest0-21swapper/721:09:369
1170999162cyclictest0-21swapper/720:07:369
1170999160cyclictest0-21swapper/722:09:409
1170999160cyclictest0-21swapper/721:10:109
11708991614cyclictest24294-21qemu-kvm20:29:388
11708991614cyclictest24294-21qemu-kvm20:19:518
11708991614cyclictest24294-21qemu-kvm20:19:508
11707991614cyclictest590-21snmp_rack3slot919:35:167
1170799160cyclictest0-21swapper/521:14:367
13450150irq/18-ehci_hcd0-21swapper/023:50:220
13450150irq/18-ehci_hcd0-21swapper/019:45:330
1171899150cyclictest0-21swapper/1119:19:563
11711991514cyclictest23884-21pluginstate19:25:0111
11711991514cyclictest0-21swapper/923:48:0711
11711991514cyclictest0-21swapper/923:05:5211
11711991514cyclictest0-21swapper/922:21:5511
11711991514cyclictest0-21swapper/922:12:3311
11711991514cyclictest0-21swapper/919:35:1311
11711991513cyclictest22641-21ssh23:35:0711
1170999154cyclictest0-21swapper/719:31:419
1170999153cyclictest0-21swapper/723:27:299
1170999153cyclictest0-21swapper/723:27:289
1170999153cyclictest0-21swapper/720:43:569
1170999153cyclictest0-21swapper/719:17:419
1170999152cyclictest0-21swapper/723:18:399
1170999152cyclictest0-21swapper/722:57:089
1170999152cyclictest0-21swapper/721:16:089
1170999152cyclictest0-21swapper/719:50:059
1170999152cyclictest0-21swapper/719:45:349
1170999152cyclictest0-21swapper/700:18:589
1170999151cyclictest0-21swapper/720:12:259
1170899154cyclictest0-21swapper/620:50:028
11708991513cyclictest24293-21qemu-kvm20:20:538
11707991513cyclictest4335-21snmp_rack3slot921:35:167
11707991513cyclictest3452-21qemu-kvm21:25:137
1170799150cyclictest0-21swapper/522:50:167
1169599150cyclictest0-21swapper/323:21:055
11682991514cyclictest3606-21diskmemload22:43:471
11682991514cyclictest3606-21diskmemload21:57:031
11682991514cyclictest3606-21diskmemload21:45:121
11682991514cyclictest3606-21diskmemload00:33:231
1168299150cyclictest0-21swapper/123:24:121
1167199150cyclictest0-21swapper/000:00:040
3199140watchdog/30-21swapper/323:45:205
13450140irq/18-ehci_hcd0-21swapper/019:15:030
1171899143cyclictest0-21swapper/1123:08:303
11718991413cyclictest20575-21grep22:15:123
1171199144cyclictest0-21swapper/900:05:0111
11711991413cyclictest0-21swapper/921:50:0011
1170999144cyclictest0-21swapper/721:02:429
1170999144cyclictest0-21swapper/700:05:019
1170999144cyclictest0-21swapper/700:00:029
1170999143cyclictest0-21swapper/722:28:319
1170999143cyclictest0-21swapper/721:54:319
1170999143cyclictest0-21swapper/720:54:129
1170999143cyclictest0-21swapper/700:30:529
1170899143cyclictest0-21swapper/623:11:098
1170899143cyclictest0-21swapper/622:40:188
11708991413cyclictest3451-21qemu-kvm21:16:298
1170099140cyclictest0-21swapper/422:58:576
1170099140cyclictest0-21swapper/422:51:006
1168299144cyclictest0-21swapper/123:00:171
11682991413cyclictest3606-21diskmemload23:05:111
11682991413cyclictest3606-21diskmemload21:41:031
11682991413cyclictest14933-21kworker/1:221:16:401
11671991413cyclictest312172sleep022:23:280
11671991412cyclictest3054950irq/53-eth0-rx-21:21:310
3055050130irq/54-eth0-tx-0-21swapper/023:27:040
3055050130irq/54-eth0-tx-0-21swapper/023:27:030
14750130irq/18-uhci_hcd0-21swapper/022:00:210
14750130irq/18-uhci_hcd0-21swapper/021:45:560
13450130irq/18-ehci_hcd0-21swapper/021:35:220
13450130irq/18-ehci_hcd0-21swapper/020:55:460
1171899133cyclictest0-21swapper/1120:18:123
1171899133cyclictest0-21swapper/1120:18:113
1171899133cyclictest0-21swapper/1100:37:443
1171899133cyclictest0-21swapper/1100:21:443
11718991312cyclictest3054950irq/53-eth0-rx-22:26:073
1171199134cyclictest0-21swapper/900:35:4311
1171199133cyclictest0-21swapper/920:43:1111
1171199133cyclictest0-21swapper/919:15:0111
11711991312cyclictest0-21swapper/922:31:4211
11711991312cyclictest0-21swapper/921:09:0011
11711991311cyclictest8079-21ssh21:12:0511
11711991311cyclictest32207-21taskset21:04:2811
11711991311cyclictest23252-21if_err_eth020:50:1711
11711991311cyclictest14410-21ssh21:44:2611
1170999134cyclictest0-21swapper/721:50:009
1170999133cyclictest0-21swapper/722:50:289
1170999133cyclictest0-21swapper/722:43:399
1170999133cyclictest0-21swapper/722:35:389
1170999133cyclictest0-21swapper/722:22:289
1170999133cyclictest0-21swapper/720:35:079
1170999133cyclictest0-21swapper/719:55:029
1170999132cyclictest0-21swapper/719:43:119
1170899133cyclictest0-21swapper/623:25:018
1170899133cyclictest0-21swapper/623:25:018
1170899133cyclictest0-21swapper/623:22:478
1170899133cyclictest0-21swapper/622:25:568
1170899133cyclictest0-21swapper/619:47:048
1170899133cyclictest0-21swapper/619:42:058
1170899133cyclictest0-21swapper/619:33:048
1170899133cyclictest0-21swapper/619:26:118
1170899133cyclictest0-21swapper/619:22:558
1170899133cyclictest0-21swapper/619:14:048
1170899133cyclictest0-21swapper/600:10:288
1170899133cyclictest0-21swapper/600:03:288
1170799133cyclictest0-21swapper/521:59:597
1170799133cyclictest0-21swapper/519:50:187
1170799133cyclictest0-21swapper/500:15:167
1170799130cyclictest0-21swapper/523:16:077
1170099130cyclictest0-21swapper/421:26:536
1169599133cyclictest0-21swapper/321:50:195
1168299133cyclictest0-21swapper/120:15:181
1168299133cyclictest0-21swapper/120:15:171
1168299133cyclictest0-21swapper/119:19:591
1167199134cyclictest0-21swapper/022:16:320
1167199133cyclictest0-21swapper/019:55:180
1167199132cyclictest0-21swapper/022:08:290
11671991312cyclictest2699-21runrttasks19:11:030
11671991312cyclictest243912chrt20:09:230
1167199130cyclictest0-21swapper/023:24:010
481120ksoftirqd/50-21swapper/522:36:127
3055050120irq/54-eth0-tx-0-21swapper/023:10:080
3055050120irq/54-eth0-tx-0-21swapper/021:40:570
3054950120irq/53-eth0-rx-0-21swapper/022:55:070
3054950120irq/53-eth0-rx-0-21swapper/022:36:080
31120ksoftirqd/00-21swapper/000:35:230
1699120watchdog/00-21swapper/023:06:400
14750120irq/18-uhci_hcd0-21swapper/021:30:230
14750120irq/18-uhci_hcd0-21swapper/019:35:320
14750120irq/18-uhci_hcd0-21swapper/019:20:280
13450120irq/18-ehci_hcd0-21swapper/023:35:230
13450120irq/18-ehci_hcd0-21swapper/023:00:230
13450120irq/18-ehci_hcd0-21swapper/022:31:060
13450120irq/18-ehci_hcd0-21swapper/021:50:570
13450120irq/18-ehci_hcd0-21swapper/021:15:520
1171899124cyclictest0-21swapper/1123:50:173
1171899124cyclictest0-21swapper/1122:35:173
1171899124cyclictest0-21swapper/1100:15:013
1171899122cyclictest0-21swapper/1123:36:283
1171899122cyclictest0-21swapper/1122:51:583
1171899122cyclictest0-21swapper/1119:33:263
1171899122cyclictest0-21swapper/1100:33:433
11718991211cyclictest3054950irq/53-eth0-rx-21:29:283
11718991211cyclictest273922sleep1119:28:183
1171199123cyclictest0-21swapper/920:25:0111
1171199122cyclictest0-21swapper/920:16:0511
1171199122cyclictest0-21swapper/920:16:0511
1171199122cyclictest0-21swapper/919:31:1011
1171199122cyclictest0-21swapper/919:27:0411
11711991211cyclictest0-21swapper/920:10:1311
1170999122cyclictest0-21swapper/723:21:099
1170999122cyclictest0-21swapper/720:15:419
1170999122cyclictest0-21swapper/720:15:409
1170999122cyclictest0-21swapper/719:26:049
1170999122cyclictest0-21swapper/719:21:249
1170999120cyclictest0-21swapper/722:18:439
1170899122cyclictest0-21swapper/623:49:288
1170899122cyclictest0-21swapper/623:34:578
1170899122cyclictest0-21swapper/623:00:338
1170899122cyclictest0-21swapper/622:39:088
1170899122cyclictest0-21swapper/622:20:438
1170899122cyclictest0-21swapper/622:05:288
1170899122cyclictest0-21swapper/622:00:118
1170899122cyclictest0-21swapper/620:53:368
1170899122cyclictest0-21swapper/619:55:318
1170899122cyclictest0-21swapper/600:29:148
1170899122cyclictest0-21swapper/600:17:388
11708991211cyclictest24293-21qemu-kvm20:08:408
1170799123cyclictest0-21swapper/523:05:167
1170799122cyclictest0-21swapper/523:25:157
1170799122cyclictest0-21swapper/523:25:147
1170799122cyclictest0-21swapper/521:50:207
1170799122cyclictest0-21swapper/519:10:167
11707991211cyclictest3451-21qemu-kvm21:47:277
1170799120cyclictest0-21swapper/523:55:237
1170099122cyclictest0-21swapper/422:05:186
1170099122cyclictest0-21swapper/421:10:156
1170099122cyclictest0-21swapper/420:50:196
1170099120cyclictest22469-21switchtime00:25:286
1170099120cyclictest0-21swapper/423:26:376
1170099120cyclictest0-21swapper/423:26:376
1169599123cyclictest0-21swapper/323:50:165
1169599122cyclictest0-21swapper/322:30:165
1168299122cyclictest0-21swapper/120:20:171
11682991211cyclictest3606-21diskmemload23:47:561
11682991211cyclictest3606-21diskmemload23:25:521
11682991211cyclictest3606-21diskmemload23:25:521
11682991211cyclictest3606-21diskmemload22:45:351
11682991211cyclictest3606-21diskmemload22:34:171
11682991211cyclictest14933-21kworker/1:221:11:211
11682991211cyclictest13418-21turbostat19:59:561
1168299120cyclictest0-21swapper/121:30:211
11671991211cyclictest3054950irq/53-eth0-rx-20:22:430
1167199121cyclictest0-21swapper/020:30:220
1167199121cyclictest0-21swapper/020:30:210
901110ksoftirqd/110-21swapper/1122:13:583
901110ksoftirqd/110-21swapper/1121:45:143
901110ksoftirqd/110-21swapper/1121:08:173
901110ksoftirqd/110-21swapper/1100:25:183
901110ksoftirqd/110-21swapper/1100:03:453
691110ksoftirqd/80-21swapper/822:32:2710
691110ksoftirqd/80-21swapper/822:19:3410
691110ksoftirqd/80-21swapper/821:45:1510
6899110migration/830050-21munin-node19:30:2210
621110ksoftirqd/70-21swapper/723:14:559
551110ksoftirqd/60-21swapper/622:19:358
551110ksoftirqd/60-21swapper/621:45:148
481110ksoftirqd/50-21swapper/522:32:277
481110ksoftirqd/50-21swapper/522:13:187
411110ksoftirqd/40-21swapper/423:14:566
411110ksoftirqd/40-21swapper/400:18:036
341110ksoftirqd/30-21swapper/322:19:345
341110ksoftirqd/30-21swapper/321:08:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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