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2026-03-08 - 03:26
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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 Sun Mar 08, 2026 00:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2281210893sleep10-21swapper/119:07:351
2256210893sleep70-21swapper/719:07:179
2228210892sleep00-21swapper/019:06:580
128501070irq/42-ahci0-21swapper/219:08:564
31754210693sleep80-21swapper/819:05:0610
2148210290sleep40-21swapper/419:06:036
991850930irq/53-eth0-rx-0-21swapper/319:06:595
991850900irq/53-eth0-rx-0-21swapper/519:06:587
991850770irq/53-eth0-rx-0-21swapper/1119:09:143
991850720irq/53-eth0-rx-0-21swapper/1019:05:452
15050670irq/18-uhci_hcd0-21swapper/919:09:5511
3175225753sleep60-21swapper/619:05:058
263999321cyclictest0-21swapper/022:13:530
263999320cyclictest0-21swapper/019:26:020
2639992813cyclictest0-21swapper/019:10:310
263999230cyclictest0-21swapper/019:15:140
269699205cyclictest0-21swapper/1119:16:073
269599192cyclictest991850irq/53-eth0-rx-23:48:372
269599192cyclictest991850irq/53-eth0-rx-23:32:562
269599192cyclictest991850irq/53-eth0-rx-23:21:442
269599192cyclictest991850irq/53-eth0-rx-22:47:512
269599192cyclictest991850irq/53-eth0-rx-22:17:532
269599192cyclictest991850irq/53-eth0-rx-22:02:482
269599192cyclictest991850irq/53-eth0-rx-21:36:382
269599192cyclictest991850irq/53-eth0-rx-21:21:442
269599192cyclictest991850irq/53-eth0-rx-20:05:132
2695991917cyclictest7011-21kworker/10:122:59:072
269499192cyclictest0-21swapper/923:12:2011
269499192cyclictest0-21swapper/922:17:3111
269499192cyclictest0-21swapper/922:07:4711
2696991817cyclictest991850irq/53-eth0-rx-20:25:123
2696991817cyclictest183342sleep1119:27:233
2695991817cyclictest0-21swapper/1022:06:512
2695991817cyclictest0-21swapper/1021:33:272
2695991817cyclictest0-21swapper/1019:41:232
2695991817cyclictest0-21swapper/1019:20:202
2695991817cyclictest0-21swapper/1000:28:032
2695991816cyclictest31986-21ssh22:30:422
2695991816cyclictest19218-21ssh00:05:392
269599181cyclictest991850irq/53-eth0-rx-23:55:332
269599181cyclictest991850irq/53-eth0-rx-23:50:362
269599181cyclictest991850irq/53-eth0-rx-23:42:322
269599181cyclictest991850irq/53-eth0-rx-23:36:262
269599181cyclictest991850irq/53-eth0-rx-23:29:502
269599181cyclictest991850irq/53-eth0-rx-23:15:252
269599181cyclictest991850irq/53-eth0-rx-23:06:542
269599181cyclictest991850irq/53-eth0-rx-23:01:032
269599181cyclictest991850irq/53-eth0-rx-22:50:272
269599181cyclictest991850irq/53-eth0-rx-22:42:112
269599181cyclictest991850irq/53-eth0-rx-22:39:392
269599181cyclictest991850irq/53-eth0-rx-22:26:382
269599181cyclictest991850irq/53-eth0-rx-22:20:262
269599181cyclictest991850irq/53-eth0-rx-22:10:232
269599181cyclictest991850irq/53-eth0-rx-21:58:002
269599181cyclictest991850irq/53-eth0-rx-21:50:122
269599181cyclictest991850irq/53-eth0-rx-21:48:072
269599181cyclictest991850irq/53-eth0-rx-21:40:242
269599181cyclictest991850irq/53-eth0-rx-21:28:362
269599181cyclictest991850irq/53-eth0-rx-21:18:212
269599181cyclictest991850irq/53-eth0-rx-21:10:592
269599181cyclictest991850irq/53-eth0-rx-21:10:582
269599181cyclictest991850irq/53-eth0-rx-19:19:182
269599181cyclictest991850irq/53-eth0-rx-00:17:172
269599181cyclictest991850irq/53-eth0-rx-00:01:472
269599181cyclictest12850irq/42-ahci19:46:102
269599181cyclictest12850irq/42-ahci19:38:512
269599180cyclictest218872chrt19:31:112
269499181cyclictest0-21swapper/922:26:0511
269499181cyclictest0-21swapper/921:55:4911
269499181cyclictest0-21swapper/921:25:3411
269499181cyclictest0-21swapper/900:20:0611
2691991816cyclictest2661-21qemu-kvm22:15:118
269699170cyclictest0-21swapper/1119:30:413
2695991716cyclictest0-21swapper/1020:47:032
269599170cyclictest991950irq/54-eth0-tx-00:32:552
269599170cyclictest991850irq/53-eth0-rx-23:10:082
269599170cyclictest991850irq/53-eth0-rx-21:05:242
269599170cyclictest991850irq/53-eth0-rx-21:05:232
269599170cyclictest991850irq/53-eth0-rx-20:51:242
269599170cyclictest991850irq/53-eth0-rx-20:36:182
269599170cyclictest991850irq/53-eth0-rx-19:56:392
269599170cyclictest991850irq/53-eth0-rx-19:10:222
269599170cyclictest991850irq/53-eth0-rx-00:20:532
269599170cyclictest991850irq/53-eth0-rx-00:10:312
269599170cyclictest94572sleep1020:00:132
269599170cyclictest84862sleep1020:43:312
269599170cyclictest42562chrt19:53:012
269599170cyclictest321282sleep1020:30:172
269599170cyclictest298482sleep1020:27:522
269599170cyclictest260262chrt20:20:292
269599170cyclictest223972sleep1020:15:392
269599170cyclictest205982sleep1000:35:122
269599170cyclictest200692chrt21:00:092
269599170cyclictest187662sleep1020:10:512
269599170cyclictest12850irq/42-ahci19:26:532
269499172cyclictest0-21swapper/922:45:2111
269499170cyclictest26213-21kworker/9:120:30:1511
269499170cyclictest13471-1kworker/9:2H20:11:1811
269499170cyclictest0-21swapper/923:26:3511
269499170cyclictest0-21swapper/900:27:2011
269499170cyclictest0-21swapper/900:12:4411
2691991715cyclictest8193-21python21:45:238
2691991715cyclictest2662-21qemu-kvm22:25:198
2690991715cyclictest26767-21qemu-kvm21:46:297
263999170cyclictest0-21swapper/023:59:030
263999170cyclictest0-21swapper/020:14:280
263999170cyclictest0-21swapper/019:30:400
2696991615cyclictest12850irq/42-ahci20:15:173
2696991614cyclictest148642sleep1119:24:483
269699160cyclictest0-21swapper/1119:10:033
269499163cyclictest0-21swapper/919:20:0111
2694991615cyclictest991850irq/53-eth0-rx-21:39:5511
2694991615cyclictest0-21swapper/923:41:2211
2694991615cyclictest0-21swapper/923:20:1111
2694991615cyclictest0-21swapper/923:02:1311
2694991615cyclictest0-21swapper/922:41:2511
2694991615cyclictest0-21swapper/922:20:2111
2694991615cyclictest0-21swapper/921:42:2211
2694991615cyclictest0-21swapper/921:31:2111
2692991614cyclictest15314-21smbd20:08:389
2691991615cyclictest5074-21python22:35:258
2691991615cyclictest3639-21python21:15:228
2690991615cyclictest26768-21qemu-kvm21:12:097
2690991615cyclictest26768-21qemu-kvm21:12:087
2690991615cyclictest26768-21qemu-kvm21:08:577
2690991615cyclictest26768-21qemu-kvm21:08:567
269099160cyclictest0-21swapper/523:35:117
269099160cyclictest0-21swapper/523:02:527
269099160cyclictest0-21swapper/522:45:227
269099160cyclictest0-21swapper/500:35:217
2688991615cyclictest991850irq/53-eth0-rx-21:53:346
268099160cyclictest0-21swapper/322:21:415
268099160cyclictest0-21swapper/321:25:115
268099160cyclictest0-21swapper/300:30:165
265599161cyclictest0-21swapper/100:30:171
15050160irq/18-uhci_hcd0-21swapper/020:15:080
2696991514cyclictest991850irq/53-eth0-rx-21:30:103
2696991514cyclictest991850irq/53-eth0-rx-21:28:483
2696991514cyclictest12850irq/42-ahci20:24:523
2696991513cyclictest81212sleep1122:11:553
2695991514cyclictest0-21swapper/1020:57:122
269499154cyclictest0-21swapper/919:46:2011
2694991514cyclictest0-21swapper/923:58:4511
2694991514cyclictest0-21swapper/922:31:5411
2694991514cyclictest0-21swapper/922:10:0411
2694991514cyclictest0-21swapper/920:38:5811
2694991514cyclictest0-21swapper/920:24:5311
2694991514cyclictest0-21swapper/919:25:1111
2694991514cyclictest0-21swapper/900:32:5011
269299155cyclictest0-21swapper/722:50:019
269299155cyclictest0-21swapper/722:16:299
269299154cyclictest0-21swapper/722:40:019
269199154cyclictest0-21swapper/620:10:018
2691991513cyclictest29845-21python21:10:248
2691991513cyclictest29845-21python21:10:238
2691991513cyclictest2661-21qemu-kvm22:09:038
2690991514cyclictest26767-21qemu-kvm21:37:147
269099150cyclictest2650-21qemu-kvm22:26:567
269099150cyclictest0-21swapper/523:18:447
269099150cyclictest0-21swapper/522:56:067
268899150cyclictest0-21swapper/423:52:376
268899150cyclictest0-21swapper/423:15:106
268899150cyclictest0-21swapper/422:23:016
268899150cyclictest0-21swapper/400:25:166
268099150cyclictest0-21swapper/323:03:035
268099150cyclictest0-21swapper/322:56:055
268099150cyclictest0-21swapper/300:25:255
265599150cyclictest11862-21cpuspeed_turbos23:35:131
265599150cyclictest0-21swapper/123:02:581
265599150cyclictest0-21swapper/122:23:111
2639991511cyclictest991850irq/53-eth0-rx-22:15:180
263999150cyclictest0-21swapper/022:58:230
263999150cyclictest0-21swapper/022:23:100
263999150cyclictest0-21swapper/021:44:140
263999150cyclictest0-21swapper/021:35:010
263999150cyclictest0-21swapper/021:31:000
263999150cyclictest0-21swapper/021:19:190
15050150irq/18-uhci_hcd0-21swapper/020:35:130
991950140irq/54-eth0-tx-0-21swapper/921:10:0211
991950140irq/54-eth0-tx-0-21swapper/921:10:0111
4599140watchdog/50-21swapper/521:22:587
269699144cyclictest0-21swapper/1100:00:013
2696991413cyclictest12850irq/42-ahci20:09:383
269499144cyclictest0-21swapper/922:55:0011
2694991413cyclictest0-21swapper/923:45:1511
2694991413cyclictest0-21swapper/921:51:5011
2694991413cyclictest0-21swapper/921:24:2211
2694991413cyclictest0-21swapper/920:25:1311
2694991413cyclictest0-21swapper/900:09:2811
269299144cyclictest0-21swapper/722:26:299
269299144cyclictest0-21swapper/700:05:019
269299143cyclictest0-21swapper/721:25:019
269299143cyclictest0-21swapper/720:05:019
2691991412cyclictest2661-21qemu-kvm22:13:098
2691991412cyclictest20480-21python21:55:238
269099143cyclictest0-21swapper/519:15:227
269099140cyclictest0-21swapper/522:54:557
2688991413cyclictest991850irq/53-eth0-rx-21:28:346
268099147cyclictest0-21swapper/323:33:555
268099147cyclictest0-21swapper/300:02:595
268099140cyclictest0-21swapper/323:58:145
268099140cyclictest0-21swapper/323:36:435
268099140cyclictest0-21swapper/323:17:395
268099140cyclictest0-21swapper/321:46:025
268099140cyclictest0-21swapper/320:34:475
268099140cyclictest0-21swapper/320:03:025
268099140cyclictest0-21swapper/319:47:435
268099140cyclictest0-21swapper/300:22:235
2666991412cyclictest2308-21snmpd23:56:024
2666991412cyclictest2308-21snmpd23:18:314
2666991412cyclictest2308-21snmpd20:57:004
2666991412cyclictest2308-21snmpd19:34:444
2666991412cyclictest2308-21snmpd00:34:034
2639991413cyclictest16895-21taskset21:26:020
2639991413cyclictest12850irq/42-ahci20:21:570
14050140irq/18-ehci_hcd0-21swapper/019:55:040
31130ksoftirqd/00-21swapper/023:40:490
269699134cyclictest0-21swapper/1123:04:293
269699133cyclictest0-21swapper/1120:35:013
2696991312cyclictest0-21swapper/1122:26:003
2696991311cyclictest324692sleep1121:14:003
2696991311cyclictest324692sleep1121:13:593
2696991311cyclictest2665-21tail21:15:143
269499133cyclictest0-21swapper/921:18:3211
269499133cyclictest0-21swapper/921:10:3111
269499133cyclictest0-21swapper/921:10:3111
269499133cyclictest0-21swapper/920:50:0111
269499133cyclictest0-21swapper/920:41:1611
269499133cyclictest0-21swapper/919:37:5911
2694991312cyclictest19181-21cpuspeed19:30:1311
2694991312cyclictest0-21swapper/923:52:2011
2694991312cyclictest0-21swapper/923:08:5211
2694991312cyclictest0-21swapper/900:00:2211
269299135cyclictest0-21swapper/721:45:029
269299134cyclictest0-21swapper/723:00:019
269299134cyclictest0-21swapper/720:42:299
269299134cyclictest0-21swapper/719:48:299
269299133cyclictest0-21swapper/722:35:009
269299133cyclictest0-21swapper/722:00:169
269299133cyclictest0-21swapper/721:52:299
269299133cyclictest0-21swapper/721:18:299
269299133cyclictest0-21swapper/700:14:289
269199134cyclictest0-21swapper/621:30:008
269199134cyclictest0-21swapper/619:25:008
269199133cyclictest0-21swapper/621:04:168
269199133cyclictest0-21swapper/600:36:288
269199133cyclictest0-21swapper/600:06:478
2691991311cyclictest31314-21snmp_rack3slot919:45:178
2690991312cyclictest26768-21qemu-kvm21:25:587
2690991312cyclictest1794-21ssh22:06:537
268099138cyclictest0-21swapper/322:29:515
268099137cyclictest0-21swapper/322:47:145
268099136cyclictest0-21swapper/322:30:015
268099136cyclictest0-21swapper/319:42:285
268099136cyclictest0-21swapper/300:16:175
268099133cyclictest26924-21diskmemload21:15:305
268099132cyclictest0-21swapper/321:59:435
268099131cyclictest0-21swapper/319:30:225
268099130cyclictest0-21swapper/322:09:125
268099130cyclictest0-21swapper/322:03:575
268099130cyclictest0-21swapper/321:34:595
268099130cyclictest0-21swapper/321:06:305
268099130cyclictest0-21swapper/321:06:305
268099130cyclictest0-21swapper/320:41:375
268099130cyclictest0-21swapper/320:38:425
268099130cyclictest0-21swapper/319:15:515
268099130cyclictest0-21swapper/300:37:495
265599131cyclictest0-21swapper/123:15:261
991950120irq/54-eth0-tx-0-21swapper/923:33:3411
991950120irq/54-eth0-tx-0-21swapper/021:46:310
691120ksoftirqd/80-21swapper/821:51:1310
5999120watchdog/70-21swapper/722:05:559
481120ksoftirqd/50-21swapper/521:51:137
31120ksoftirqd/026924-21diskmemload23:15:220
31120ksoftirqd/00-21swapper/020:45:140
31120ksoftirqd/00-21swapper/000:12:240
269699123cyclictest0-21swapper/1123:50:013
269699123cyclictest0-21swapper/1123:25:003
269699123cyclictest0-21swapper/1100:15:013
269699122cyclictest0-21swapper/1119:55:013
2694991211cyclictest0-21swapper/923:39:2911
2694991211cyclictest0-21swapper/922:38:0611
269499120cyclictest0-21swapper/922:51:1611
269399121cyclictest0-21swapper/822:15:1710
269299123cyclictest0-21swapper/723:46:289
269299123cyclictest0-21swapper/723:20:019
269299123cyclictest0-21swapper/721:05:019
269299123cyclictest0-21swapper/721:05:009
269299123cyclictest0-21swapper/720:20:299
269299123cyclictest0-21swapper/719:38:299
269299123cyclictest0-21swapper/700:15:019
269299122cyclictest0-21swapper/723:58:309
269299121cyclictest0-21swapper/722:20:179
269199123cyclictest0-21swapper/623:54:308
269199123cyclictest0-21swapper/623:18:288
269199123cyclictest0-21swapper/623:08:298
269199123cyclictest0-21swapper/621:38:308
269199122cyclictest0-21swapper/600:10:018
269199122cyclictest0-21swapper/600:04:328
2691991210cyclictest26767-21qemu-kvm21:08:238
2691991210cyclictest26767-21qemu-kvm21:08:228
269199121cyclictest551ksoftirqd/620:40:018
2690991211cyclictest2393-21qemu-kvm19:12:247
268899122cyclictest0-21swapper/419:45:186
268099127cyclictest0-21swapper/322:19:035
268099126cyclictest0-21swapper/323:20:265
268099126cyclictest0-21swapper/322:35:375
268099126cyclictest0-21swapper/320:45:125
268099124cyclictest26924-21diskmemload23:07:365
268099124cyclictest0-21swapper/321:37:465
268099123cyclictest26924-21diskmemload23:26:475
268099123cyclictest26924-21diskmemload00:10:335
268099123cyclictest15836-21ssh21:51:595
268099123cyclictest0-21swapper/322:40:295
268099123cyclictest0-21swapper/320:16:065
268099123cyclictest0-21swapper/320:07:475
268099123cyclictest0-21swapper/319:36:015
268099122cyclictest0-21swapper/321:00:165
268099121cyclictest0-21swapper/320:22:265
268099121cyclictest0-21swapper/300:05:125
268099120cyclictest0-21swapper/323:52:195
268099120cyclictest0-21swapper/323:47:425
268099120cyclictest0-21swapper/323:41:285
268099120cyclictest0-21swapper/322:54:255
268099120cyclictest0-21swapper/321:42:545
268099120cyclictest0-21swapper/321:12:165
268099120cyclictest0-21swapper/321:12:165
268099120cyclictest0-21swapper/320:29:445
268099120cyclictest0-21swapper/319:58:005
268099120cyclictest0-21swapper/319:26:435
268099120cyclictest0-21swapper/319:23:115
268099120cyclictest0-21swapper/319:11:055
266699128cyclictest0-21swapper/221:12:284
266699128cyclictest0-21swapper/221:12:284
2666991210cyclictest2308-21snmpd19:24:164
266699121cyclictest0-21swapper/223:35:284
266699121cyclictest0-21swapper/222:23:024
266699120cyclictest271ksoftirqd/223:40:444
266699120cyclictest271ksoftirqd/222:55:484
265599122cyclictest0-21swapper/120:20:011
265599120cyclictest0-21swapper/121:33:181
263999120cyclictest0-21swapper/000:31:050
201120ksoftirqd/10-21swapper/100:12:241
1699120watchdog/00-21swapper/022:27:460
1699120watchdog/00-21swapper/000:15:500
991950110irq/54-eth0-tx-29572-21ssh23:22:080
991950110irq/54-eth0-tx-0-21swapper/200:07:194
991850110irq/53-eth0-rx-0-21swapper/022:47:130
901110ksoftirqd/110-21swapper/1123:31:263
901110ksoftirqd/110-21swapper/1121:51:123
6899110migration/825039-21munin-node20:20:1910
551110ksoftirqd/60-21swapper/623:31:268
5499110migration/64052-21taskset21:42:558
481110ksoftirqd/50-21swapper/523:31:267
481110ksoftirqd/50-21swapper/521:41:597
481110ksoftirqd/50-21swapper/500:12:247
411110ksoftirqd/40-21swapper/423:31:266
411110ksoftirqd/40-21swapper/422:00:226
411110ksoftirqd/40-21swapper/421:45:256
31110ksoftirqd/00-21swapper/023:31:250
31110ksoftirqd/00-21swapper/023:00:410
31110ksoftirqd/00-21swapper/020:05:070
31110ksoftirqd/00-21swapper/000:20:220
271110ksoftirqd/20-21swapper/200:12:234
269699114cyclictest0-21swapper/1123:06:303
269699113cyclictest0-21swapper/1122:36:023
269699113cyclictest0-21swapper/1122:15:113
269699113cyclictest0-21swapper/1122:09:463
269699113cyclictest0-21swapper/1121:50:013
269699113cyclictest0-21swapper/1121:39:163
269699113cyclictest0-21swapper/1121:08:463
269699113cyclictest0-21swapper/1121:08:453
269699113cyclictest0-21swapper/1120:45:023
269699113cyclictest0-21swapper/1120:37:463
269699113cyclictest0-21swapper/1100:35:473
269699112cyclictest0-21swapper/1122:50:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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