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2026-04-06 - 16:37
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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 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128501180irq/42-ahci0-21swapper/807:09:3910
128501180irq/42-ahci0-21swapper/807:09:3910
16726211095sleep100-21swapper/1007:06:012
16726211095sleep100-21swapper/1007:06:002
16812210794sleep20-21swapper/207:07:044
16812210794sleep20-21swapper/207:07:044
16788210692sleep70-21swapper/707:06:459
16788210692sleep70-21swapper/707:06:459
16767210391sleep50-21swapper/507:06:317
16767210391sleep50-21swapper/507:06:317
9918501010irq/53-eth0-rx-0-21swapper/107:08:281
9918501010irq/53-eth0-rx-0-21swapper/107:08:281
1706629489sleep40-21swapper/407:09:436
1706629489sleep40-21swapper/407:09:436
991850890irq/53-eth0-rx-0-21swapper/307:05:205
991850890irq/53-eth0-rx-0-21swapper/307:05:205
991850880irq/53-eth0-rx-0-21swapper/1107:07:403
991850880irq/53-eth0-rx-0-21swapper/1107:07:403
1708528681sleep90-21swapper/907:10:0111
1708528681sleep90-21swapper/907:10:0011
1695225853sleep00-21swapper/007:08:150
1695225853sleep00-21swapper/007:08:140
1670825853sleep60-21swapper/607:05:448
1670825853sleep60-21swapper/607:05:448
1723099320cyclictest0-21swapper/1109:19:313
17188992120cyclictest0-21swapper/008:17:530
17188992018cyclictest0-21swapper/009:08:290
1722999192cyclictest991850irq/53-eth0-rx-12:34:442
1722999192cyclictest991850irq/53-eth0-rx-12:29:352
1722999192cyclictest991850irq/53-eth0-rx-12:07:032
1722999192cyclictest991850irq/53-eth0-rx-11:16:492
1722999192cyclictest991850irq/53-eth0-rx-11:06:142
1722999192cyclictest991850irq/53-eth0-rx-10:14:222
1722999192cyclictest991850irq/53-eth0-rx-10:14:222
1722999192cyclictest991850irq/53-eth0-rx-09:30:252
1722999192cyclictest991850irq/53-eth0-rx-09:19:142
1722999192cyclictest12850irq/42-ahci08:08:502
1722899192cyclictest0-21swapper/912:21:1711
1722899192cyclictest0-21swapper/912:06:2211
1722899192cyclictest0-21swapper/912:01:0311
1722899192cyclictest0-21swapper/911:17:4611
1722899192cyclictest0-21swapper/910:38:5711
1722899192cyclictest0-21swapper/910:25:3511
1722899192cyclictest0-21swapper/909:20:4911
1718899190cyclictest0-21swapper/009:28:430
1718899190cyclictest0-21swapper/009:28:430
115050190irq/18-i801_smb0-21swapper/407:12:276
115050190irq/18-i801_smb0-21swapper/407:12:276
17229991817cyclictest0-21swapper/1011:38:412
17229991817cyclictest0-21swapper/1011:26:262
17229991817cyclictest0-21swapper/1011:00:272
17229991817cyclictest0-21swapper/1010:17:282
17229991817cyclictest0-21swapper/1009:39:172
17229991817cyclictest0-21swapper/1008:43:452
17229991817cyclictest0-21swapper/1007:45:152
17229991816cyclictest9294-21munin-run10:30:002
1722999181cyclictest991950irq/54-eth0-tx-11:55:052
1722999181cyclictest991950irq/54-eth0-tx-09:40:342
1722999181cyclictest991850irq/53-eth0-rx-12:35:392
1722999181cyclictest991850irq/53-eth0-rx-12:22:082
1722999181cyclictest991850irq/53-eth0-rx-12:15:042
1722999181cyclictest991850irq/53-eth0-rx-12:13:382
1722999181cyclictest991850irq/53-eth0-rx-12:02:102
1722999181cyclictest991850irq/53-eth0-rx-11:53:232
1722999181cyclictest991850irq/53-eth0-rx-11:40:102
1722999181cyclictest991850irq/53-eth0-rx-11:33:182
1722999181cyclictest991850irq/53-eth0-rx-11:20:372
1722999181cyclictest991850irq/53-eth0-rx-11:10:492
1722999181cyclictest991850irq/53-eth0-rx-10:06:182
1722999181cyclictest991850irq/53-eth0-rx-10:06:182
1722999181cyclictest991850irq/53-eth0-rx-09:58:152
1722999181cyclictest991850irq/53-eth0-rx-09:58:152
1722999181cyclictest991850irq/53-eth0-rx-09:54:462
1722999181cyclictest991850irq/53-eth0-rx-09:46:022
1722999181cyclictest991850irq/53-eth0-rx-09:46:022
1722999181cyclictest991850irq/53-eth0-rx-09:20:462
1722999181cyclictest991850irq/53-eth0-rx-09:10:152
1722999181cyclictest15942chrt08:59:492
1722999181cyclictest12850irq/42-ahci08:24:402
1722899181cyclictest991950irq/54-eth0-tx-09:49:0611
1722899181cyclictest991950irq/54-eth0-tx-09:49:0611
1722899181cyclictest761ksoftirqd/907:35:2411
1722899181cyclictest0-21swapper/912:15:5411
1722899181cyclictest0-21swapper/912:12:4911
1722899181cyclictest0-21swapper/911:34:3611
1722899181cyclictest0-21swapper/910:34:2211
1722899181cyclictest0-21swapper/910:14:3611
1722899181cyclictest0-21swapper/910:14:3611
1722899181cyclictest0-21swapper/909:50:5511
1722899181cyclictest0-21swapper/909:40:0111
1722899181cyclictest0-21swapper/909:11:4011
1722899181cyclictest0-21swapper/907:30:2511
1722899181cyclictest0-21swapper/907:30:2511
1721299182cyclictest29987-21ssh11:38:305
14050180irq/18-ehci_hcd0-21swapper/009:40:200
1722999170cyclictest991950irq/54-eth0-tx-10:40:302
1722999170cyclictest991950irq/54-eth0-tx-10:00:062
1722999170cyclictest991850irq/53-eth0-rx-11:45:162
1722999170cyclictest991850irq/53-eth0-rx-10:52:002
1722999170cyclictest991850irq/53-eth0-rx-10:30:362
1722999170cyclictest991850irq/53-eth0-rx-09:25:022
1722999170cyclictest991850irq/53-eth0-rx-09:25:022
1722999170cyclictest991850irq/53-eth0-rx-08:45:142
1722999170cyclictest991850irq/53-eth0-rx-07:40:282
1722999170cyclictest991850irq/53-eth0-rx-07:25:222
1722999170cyclictest991850irq/53-eth0-rx-07:22:372
1722999170cyclictest991850irq/53-eth0-rx-07:22:372
1722999170cyclictest88612sleep1009:08:002
1722999170cyclictest77252sleep1007:36:512
1722999170cyclictest45282sleep1008:15:302
1722999170cyclictest41992sleep1007:33:262
1722999170cyclictest41992sleep1007:33:262
1722999170cyclictest322202sleep1010:20:212
1722999170cyclictest316132sleep1010:46:012
1722999170cyclictest30932sleep1009:00:122
1722999170cyclictest304592sleep1008:10:062
1722999170cyclictest301032sleep1008:51:002
1722999170cyclictest258712sleep1008:00:292
1722999170cyclictest254802chrt07:16:242
1722999170cyclictest205222chrt07:11:122
1722999170cyclictest205222chrt07:11:122
1722999170cyclictest192692sleep1010:36:002
1722999170cyclictest186042chrt07:50:532
1722999170cyclictest154762sleep1008:30:332
1722999170cyclictest12850irq/42-ahci08:38:192
1722999170cyclictest124142sleep1010:57:282
1722999170cyclictest110512sleep1008:25:202
1722899170cyclictest991850irq/53-eth0-rx-09:56:0011
1722899170cyclictest991850irq/53-eth0-rx-09:56:0011
1722899170cyclictest0-21swapper/911:08:0711
1722899170cyclictest0-21swapper/909:29:4811
1722899170cyclictest0-21swapper/909:29:4811
1722899170cyclictest0-21swapper/908:20:2511
17224991714cyclictest8919-21qemu-kvm09:10:027
1721299171cyclictest9072-21diskmemload12:12:585
1721299171cyclictest9072-21diskmemload12:04:365
1721299171cyclictest9072-21diskmemload11:21:465
1721299171cyclictest9072-21diskmemload10:11:585
1721299171cyclictest9072-21diskmemload10:11:575
17204991715cyclictest2308-21snmpd10:28:194
17204991715cyclictest2308-21snmpd07:36:484
17204991715cyclictest2308-21snmpd07:33:484
17204991715cyclictest2308-21snmpd07:33:484
1722899165cyclictest0-21swapper/909:00:0111
17228991615cyclictest991950irq/54-eth0-tx-11:41:0411
17228991615cyclictest0-21swapper/910:43:4811
17228991615cyclictest0-21swapper/910:07:5311
17228991615cyclictest0-21swapper/910:07:5311
17228991615cyclictest0-21swapper/910:01:3111
17228991615cyclictest0-21swapper/908:27:0511
17228991615cyclictest0-21swapper/907:20:1211
17228991615cyclictest0-21swapper/907:20:1111
17228991614cyclictest29880-21taskset08:09:1611
1722699164cyclictest0-21swapper/709:20:029
1722699160cyclictest0-21swapper/712:21:379
17224991614cyclictest8917-21qemu-kvm09:08:247
17224991614cyclictest29794-21qemu-kvm08:08:247
17224991614cyclictest29793-21qemu-kvm08:47:267
1721299162cyclictest0-21swapper/308:30:165
1721299161cyclictest9072-21diskmemload09:21:145
1721299160cyclictest0-21swapper/312:36:025
1721299160cyclictest0-21swapper/312:25:295
1721299160cyclictest0-21swapper/312:22:325
1721299160cyclictest0-21swapper/312:15:205
1721299160cyclictest0-21swapper/311:59:285
1721299160cyclictest0-21swapper/311:46:545
1721299160cyclictest0-21swapper/311:43:385
1721299160cyclictest0-21swapper/311:30:235
1721299160cyclictest0-21swapper/311:11:365
1721299160cyclictest0-21swapper/310:56:385
1721299160cyclictest0-21swapper/310:50:215
1721299160cyclictest0-21swapper/310:49:365
1721299160cyclictest0-21swapper/310:42:165
1721299160cyclictest0-21swapper/310:35:315
1721299160cyclictest0-21swapper/310:32:595
1721299160cyclictest0-21swapper/310:26:575
1721299160cyclictest0-21swapper/310:15:155
1721299160cyclictest0-21swapper/310:06:585
1721299160cyclictest0-21swapper/310:06:575
1721299160cyclictest0-21swapper/310:00:125
1721299160cyclictest0-21swapper/309:55:205
1721299160cyclictest0-21swapper/309:55:205
1721299160cyclictest0-21swapper/309:40:275
1721299160cyclictest0-21swapper/309:38:535
1721299160cyclictest0-21swapper/309:16:115
1721299160cyclictest0-21swapper/309:13:075
1721299160cyclictest0-21swapper/307:30:145
1721299160cyclictest0-21swapper/307:30:135
17204991614cyclictest2308-21snmpd11:34:204
17204991614cyclictest2308-21snmpd08:25:194
1720499161cyclictest0-21swapper/209:55:034
1720499161cyclictest0-21swapper/209:55:024
1723099150cyclictest954-21chrt09:29:293
1723099150cyclictest954-21chrt09:29:283
1722899153cyclictest0-21swapper/911:00:0211
17228991514cyclictest991850irq/53-eth0-rx-10:46:3411
17228991514cyclictest0-21swapper/912:37:1711
17228991514cyclictest0-21swapper/911:00:3611
17228991513cyclictest20669-21taskset07:13:1011
17228991513cyclictest20669-21taskset07:13:1011
1722699155cyclictest0-21swapper/711:15:009
1722699155cyclictest0-21swapper/711:15:009
1722699154cyclictest0-21swapper/710:25:019
1722599153cyclictest0-21swapper/607:49:568
17224991513cyclictest30389-21ssh11:39:127
1721299150cyclictest9072-21diskmemload11:50:385
1721299150cyclictest9072-21diskmemload11:01:395
1721299150cyclictest9072-21diskmemload09:31:585
1721299150cyclictest24079-21ssh09:46:365
1721299150cyclictest24079-21ssh09:46:355
1721299150cyclictest0-21swapper/312:30:125
1721299150cyclictest0-21swapper/311:25:305
1721299150cyclictest0-21swapper/311:19:115
1721299150cyclictest0-21swapper/311:06:255
1721299150cyclictest0-21swapper/309:50:085
1721299150cyclictest0-21swapper/309:25:435
1721299150cyclictest0-21swapper/309:25:425
1721299150cyclictest0-21swapper/308:15:245
1721299150cyclictest0-21swapper/308:00:265
17204991513cyclictest2308-21snmpd12:21:064
1719699150cyclictest0-21swapper/111:25:231
1718899150cyclictest0-21swapper/010:52:410
991950140irq/54-eth0-tx-28510-21snmp_rack3slot912:30:1111
17230991413cyclictest991850irq/53-eth0-rx-08:22:033
1722899144cyclictest0-21swapper/912:25:0111
1722899143cyclictest0-21swapper/908:55:0111
17228991413cyclictest10491-21ntpdc07:40:2011
17228991413cyclictest0-21swapper/911:49:4811
17228991413cyclictest0-21swapper/911:11:3111
17228991413cyclictest0-21swapper/909:35:2011
1722799144cyclictest0-21swapper/811:10:0010
1722699144cyclictest0-21swapper/710:15:019
1722699144cyclictest0-21swapper/708:40:009
1722699143cyclictest0-21swapper/711:55:019
17224991412cyclictest25603-21ssh12:26:237
1721299141cyclictest0-21swapper/308:05:185
15050140irq/18-uhci_hcd0-21swapper/008:52:450
991950130irq/54-eth0-tx-0-21swapper/009:15:520
5299130watchdog/616933-21qemu-kvm07:31:468
5299130watchdog/616933-21qemu-kvm07:31:468
31130ksoftirqd/00-21swapper/012:35:220
31130ksoftirqd/00-21swapper/009:12:490
17228991312cyclictest0-21swapper/911:59:4711
17228991312cyclictest0-21swapper/911:27:2411
17228991312cyclictest0-21swapper/909:18:3111
17228991312cyclictest0-21swapper/908:35:0011
1722899130cyclictest0-21swapper/910:15:1411
1722799133cyclictest0-21swapper/810:05:0210
1722799133cyclictest0-21swapper/810:05:0110
1722699134cyclictest0-21swapper/710:25:019
1722699133cyclictest0-21swapper/708:56:349
17225991311cyclictest8917-21qemu-kvm09:08:428
17225991311cyclictest6913-21irqstats11:45:188
17225991311cyclictest15296-21python11:25:248
17225991311cyclictest13672-21snmp_rack3slot912:17:028
1722599130cyclictest19968-21sh10:37:138
1722499130cyclictest0-21swapper/510:54:417
1722499130cyclictest0-21swapper/509:55:287
1722499130cyclictest0-21swapper/509:55:287
1721799133cyclictest0-21swapper/407:30:166
1721799133cyclictest0-21swapper/407:30:166
1721799130cyclictest0-21swapper/411:05:166
1721299130cyclictest0-21swapper/312:10:005
1721299130cyclictest0-21swapper/308:35:165
1721299130cyclictest0-21swapper/308:25:165
1720499133cyclictest0-21swapper/208:40:164
17204991311cyclictest2308-21snmpd10:12:204
17204991311cyclictest2308-21snmpd10:12:204
17204991311cyclictest2308-21snmpd10:07:504
17204991311cyclictest2308-21snmpd10:07:504
1719699133cyclictest0-21swapper/111:00:161
1719699130cyclictest0-21swapper/110:54:471
1718899130cyclictest0-21swapper/012:20:310
1718899130cyclictest0-21swapper/007:15:140
991850120irq/53-eth0-rx-0-21swapper/211:36:364
901120ksoftirqd/110-21swapper/1112:10:223
901120ksoftirqd/110-21swapper/1111:31:463
691120ksoftirqd/80-21swapper/810:00:2210
551120ksoftirqd/60-21swapper/612:20:348
551120ksoftirqd/60-21swapper/610:23:428
31120ksoftirqd/00-21swapper/010:58:080
31120ksoftirqd/00-21swapper/008:22:400
1722899124cyclictest0-21swapper/908:05:0111
1722899123cyclictest0-21swapper/908:45:0111
1722899123cyclictest0-21swapper/908:00:0111
1722899123cyclictest0-21swapper/907:20:0011
1722899121cyclictest0-21swapper/909:32:0011
1722899120cyclictest0-21swapper/908:35:1311
1722799124cyclictest0-21swapper/811:15:0010
1722799124cyclictest0-21swapper/808:40:0010
1722799123cyclictest0-21swapper/807:35:0210
1722799123cyclictest0-21swapper/807:35:0110
1722799122cyclictest0-21swapper/810:56:5210
1722799120cyclictest0-21swapper/809:20:0010
1722699126cyclictest991950irq/54-eth0-tx-09:27:059
1722699126cyclictest991950irq/54-eth0-tx-09:27:059
1722699124cyclictest0-21swapper/710:45:019
1722699123cyclictest0-21swapper/711:36:539
1722699123cyclictest0-21swapper/709:56:539
1722699123cyclictest0-21swapper/709:56:539
1722699123cyclictest0-21swapper/709:22:539
1722699122cyclictest0-21swapper/708:28:199
17225991211cyclictest8917-21qemu-kvm09:17:308
17224991210cyclictest23392-21ssh10:40:147
17224991210cyclictest11495-21ssh11:23:287
1721799124cyclictest0-21swapper/411:20:166
1721799122cyclictest0-21swapper/407:50:166
1721299121cyclictest0-21swapper/307:42:305
1721299120cyclictest9072-21diskmemload10:22:325
1721299120cyclictest1614-21latency_hist09:00:005
1721299120cyclictest0-21swapper/309:00:125
1721299120cyclictest0-21swapper/307:35:135
1720499124cyclictest0-21swapper/209:20:164
1720499122cyclictest0-21swapper/212:25:174
17204991210cyclictest2308-21snmpd07:29:034
1720499120cyclictest0-21swapper/210:38:424
1720499120cyclictest0-21swapper/208:35:134
1719699122cyclictest0-21swapper/109:50:161
1718899128cyclictest991850irq/53-eth0-rx-11:55:230
1718899120cyclictest0-21swapper/009:55:430
1718899120cyclictest0-21swapper/009:55:430
1718899120cyclictest0-21swapper/008:08:270
1718899120cyclictest0-21swapper/007:15:010
1699120watchdog/00-21swapper/011:37:500
991850110irq/53-eth0-rx-0-21swapper/610:50:028
991850110irq/53-eth0-rx-0-21swapper/209:29:124
991850110irq/53-eth0-rx-0-21swapper/209:29:124
991850110irq/53-eth0-rx-0-21swapper/011:20:150
991850110irq/53-eth0-rx-0-21swapper/010:25:420
991850110irq/53-eth0-rx-0-21swapper/009:48:330
991850110irq/53-eth0-rx-0-21swapper/009:48:320
991850110irq/53-eth0-rx-0-21swapper/007:44:150
901110ksoftirqd/110-21swapper/1112:30:133
901110ksoftirqd/110-21swapper/1111:19:333
901110ksoftirqd/110-21swapper/1110:28:133
901110ksoftirqd/110-21swapper/1110:08:313
901110ksoftirqd/110-21swapper/1110:08:303
691110ksoftirqd/80-21swapper/812:30:1310
691110ksoftirqd/80-21swapper/812:20:3510
691110ksoftirqd/80-21swapper/812:10:2210
621110ksoftirqd/70-21swapper/711:45:149
551110ksoftirqd/60-21swapper/611:19:338
551110ksoftirqd/60-21swapper/610:28:138
551110ksoftirqd/60-21swapper/610:08:308
551110ksoftirqd/60-21swapper/610:08:308
551110ksoftirqd/60-21swapper/610:00:228
5499110migration/628358-21idleruntime11:10:178
481110ksoftirqd/517304-21qemu-kvm10:23:427
481110ksoftirqd/50-21swapper/512:20:347
481110ksoftirqd/50-21swapper/512:19:327
481110ksoftirqd/50-21swapper/512:10:227
481110ksoftirqd/50-21swapper/511:19:337
481110ksoftirqd/50-21swapper/510:00:227
411110ksoftirqd/40-21swapper/410:00:226
3899110watchdog/40-21swapper/411:41:386
31110ksoftirqd/00-21swapper/012:30:130
31110ksoftirqd/00-21swapper/010:23:420
31110ksoftirqd/00-21swapper/010:08:300
31110ksoftirqd/00-21swapper/010:08:300
31110ksoftirqd/00-21swapper/010:00:220
31110ksoftirqd/00-21swapper/008:42:430
31110ksoftirqd/00-21swapper/008:25:220
31110ksoftirqd/00-21swapper/008:12:380
271110ksoftirqd/20-21swapper/212:10:224
271110ksoftirqd/20-21swapper/211:45:144
271110ksoftirqd/20-21swapper/211:19:334
271110ksoftirqd/20-21swapper/210:00:224
201110ksoftirqd/10-21swapper/112:20:341
201110ksoftirqd/10-21swapper/111:19:331
201110ksoftirqd/10-21swapper/110:23:421
201110ksoftirqd/10-21swapper/110:00:221
1723099113cyclictest0-21swapper/1110:56:193
1723099113cyclictest0-21swapper/1110:32:363
1723099113cyclictest0-21swapper/1107:41:043
1722899113cyclictest0-21swapper/910:20:0111
1722899113cyclictest0-21swapper/908:44:5011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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