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2026-04-19 - 20:08
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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 Apr 19, 2026 12:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128501190irq/42-ahci0-21swapper/207:08:234
9918501110irq/53-eth0-rx-0-21swapper/707:08:279
26471211095sleep80-21swapper/807:06:5710
26431210894sleep30-21swapper/307:06:285
26368210593sleep10-21swapper/107:05:381
991950950irq/54-eth0-tx-0-21swapper/407:05:136
991850880irq/53-eth0-rx-0-21swapper/1007:06:202
2577828877sleep110-21swapper/1107:05:243
991850870irq/53-eth0-rx-0-21swapper/507:05:447
2663228574sleep90-21swapper/907:08:2211
2645226353sleep60-21swapper/607:06:438
2639725955sleep00-21swapper/007:06:010
26910993718cyclictest0-21swapper/1109:08:433
26910993718cyclictest0-21swapper/1109:08:433
26873993720cyclictest4573-21kworker/0:009:12:330
26873993720cyclictest4573-21kworker/0:009:12:320
26873993217cyclictest0-21swapper/009:08:430
26873993217cyclictest0-21swapper/009:08:430
2691099240cyclictest0-21swapper/1108:28:423
26898992318cyclictest28348-21snmp_rack3slot907:51:369
26910992217cyclictest0-21swapper/1107:24:093
2690999204cyclictest0-21swapper/1008:53:322
26873992018cyclictest0-21swapper/008:08:290
2690999192cyclictest991850irq/53-eth0-rx-12:18:462
2690999192cyclictest991850irq/53-eth0-rx-12:08:202
2690999192cyclictest991850irq/53-eth0-rx-12:01:472
2690999192cyclictest991850irq/53-eth0-rx-11:30:412
2690999192cyclictest991850irq/53-eth0-rx-11:28:222
2690999192cyclictest991850irq/53-eth0-rx-11:02:022
2690999192cyclictest991850irq/53-eth0-rx-10:55:302
2690999192cyclictest991850irq/53-eth0-rx-10:41:312
2690999192cyclictest991850irq/53-eth0-rx-10:28:392
2690999192cyclictest991850irq/53-eth0-rx-10:09:032
2690999192cyclictest991850irq/53-eth0-rx-10:00:042
2690999192cyclictest991850irq/53-eth0-rx-09:56:292
2690999192cyclictest991850irq/53-eth0-rx-09:32:532
2690999192cyclictest991850irq/53-eth0-rx-09:22:112
2690999192cyclictest991850irq/53-eth0-rx-09:11:292
2690999192cyclictest991850irq/53-eth0-rx-09:11:292
2690899192cyclictest0-21swapper/910:49:3611
26909991817cyclictest0-21swapper/1011:44:242
26909991817cyclictest0-21swapper/1010:10:062
26909991817cyclictest0-21swapper/1009:50:562
2690999181cyclictest991850irq/53-eth0-rx-12:39:332
2690999181cyclictest991850irq/53-eth0-rx-12:39:332
2690999181cyclictest991850irq/53-eth0-rx-12:34:422
2690999181cyclictest991850irq/53-eth0-rx-12:25:372
2690999181cyclictest991850irq/53-eth0-rx-12:21:032
2690999181cyclictest991850irq/53-eth0-rx-11:51:082
2690999181cyclictest991850irq/53-eth0-rx-11:45:492
2690999181cyclictest991850irq/53-eth0-rx-11:22:092
2690999181cyclictest991850irq/53-eth0-rx-11:08:032
2690999181cyclictest991850irq/53-eth0-rx-10:52:452
2690999181cyclictest991850irq/53-eth0-rx-10:30:072
2690999181cyclictest991850irq/53-eth0-rx-09:45:122
2690999181cyclictest991850irq/53-eth0-rx-09:40:162
2690999181cyclictest991850irq/53-eth0-rx-09:40:162
2690999181cyclictest991850irq/53-eth0-rx-09:37:152
2690999181cyclictest991850irq/53-eth0-rx-09:37:142
2690999181cyclictest991850irq/53-eth0-rx-08:02:182
2690999181cyclictest12850irq/42-ahci10:23:372
26908991816cyclictest10652-21taskset08:11:2611
2690899181cyclictest991950irq/54-eth0-tx-11:46:5211
2690899181cyclictest0-21swapper/911:13:4611
2690899181cyclictest0-21swapper/911:05:5711
2690899181cyclictest0-21swapper/910:29:4511
2690899181cyclictest0-21swapper/910:15:2611
2690899181cyclictest0-21swapper/910:01:1811
2690899181cyclictest0-21swapper/909:53:0311
2690899181cyclictest0-21swapper/909:33:4311
2690899181cyclictest0-21swapper/909:25:3211
2690899181cyclictest0-21swapper/909:23:5811
26896991816cyclictest26614-21qemu-kvm07:15:027
26896991816cyclictest26614-21qemu-kvm07:15:027
26896991816cyclictest26614-21qemu-kvm07:13:357
26896991816cyclictest26614-21qemu-kvm07:13:357
26896991816cyclictest26613-21qemu-kvm07:28:397
26896991816cyclictest26613-21qemu-kvm07:20:107
2689499183cyclictest0-21swapper/312:05:185
26873991817cyclictest991850irq/53-eth0-rx-09:18:000
26909991716cyclictest178042sleep1009:05:242
26909991716cyclictest178042sleep1009:05:242
26909991715cyclictest6842-21users08:05:282
2690999170cyclictest991850irq/53-eth0-rx-12:10:402
2690999170cyclictest991850irq/53-eth0-rx-11:55:022
2690999170cyclictest991850irq/53-eth0-rx-11:35:462
2690999170cyclictest991850irq/53-eth0-rx-11:15:162
2690999170cyclictest991850irq/53-eth0-rx-11:10:332
2690999170cyclictest991850irq/53-eth0-rx-10:45:522
2690999170cyclictest991850irq/53-eth0-rx-10:35:162
2690999170cyclictest991850irq/53-eth0-rx-09:25:152
2690999170cyclictest991850irq/53-eth0-rx-09:15:042
2690999170cyclictest991850irq/53-eth0-rx-08:25:082
2690999170cyclictest991850irq/53-eth0-rx-08:19:552
2690999170cyclictest991850irq/53-eth0-rx-07:50:212
2690999170cyclictest991850irq/53-eth0-rx-07:25:142
2690999170cyclictest82792sleep1008:55:102
2690999170cyclictest77892sleep1008:10:052
2690999170cyclictest37662sleep1008:45:332
2690999170cyclictest326292sleep1008:42:322
2690999170cyclictest320222sleep1007:57:042
2690999170cyclictest289982chrt08:37:442
2690999170cyclictest273592chrt07:10:102
2690999170cyclictest273592chrt07:10:102
2690999170cyclictest252232chrt08:31:072
2690999170cyclictest246192chrt07:45:502
2690999170cyclictest20692sleep1007:15:232
2690999170cyclictest20692sleep1007:15:232
2690999170cyclictest203792sleep1007:40:262
2690999170cyclictest178972sleep1008:20:422
2690999170cyclictest174372sleep1007:37:132
2690999170cyclictest148252chrt09:01:342
2690999170cyclictest137322chrt07:31:252
2690999170cyclictest12850irq/42-ahci10:15:042
2690999170cyclictest12850irq/42-ahci07:20:442
26908991716cyclictest0-21swapper/912:29:1011
26908991716cyclictest0-21swapper/909:16:2611
2690899170cyclictest991950irq/54-eth0-tx-09:45:0811
2690899170cyclictest12371-1kworker/9:0H08:36:3511
2690899170cyclictest0-21swapper/912:37:1211
2690899170cyclictest0-21swapper/912:37:1211
2690899170cyclictest0-21swapper/912:34:1111
2690899170cyclictest0-21swapper/911:23:4411
2690899170cyclictest0-21swapper/911:15:1211
2690899170cyclictest0-21swapper/909:13:4111
2690899170cyclictest0-21swapper/909:13:4111
26897991715cyclictest31176-21python10:10:238
26896991716cyclictest26613-21qemu-kvm07:43:467
26896991715cyclictest26614-21qemu-kvm07:38:427
26896991715cyclictest26614-21qemu-kvm07:30:127
26896991715cyclictest26613-21qemu-kvm07:45:127
26890991715cyclictest2308-21snmpd12:33:334
2691099160cyclictest29176-21chrt09:16:383
26908991615cyclictest0-21swapper/912:05:3511
26908991615cyclictest0-21swapper/911:55:1311
26908991615cyclictest0-21swapper/910:56:2111
26908991615cyclictest0-21swapper/909:55:1711
26908991614cyclictest32713-21chrt08:43:4411
26908991614cyclictest18010-21taskset08:22:1511
26908991614cyclictest13931-21ntpdc09:00:1911
26896991615cyclictest7121-21qemu-kvm08:09:007
26896991615cyclictest21327-21ssh09:36:177
26896991615cyclictest21327-21ssh09:36:177
26896991615cyclictest19351-21ssh10:00:287
26896991614cyclictest27194-21qemu-kvm10:08:407
26890991614cyclictest2308-21snmpd12:16:324
481150ksoftirqd/50-21swapper/509:12:367
481150ksoftirqd/50-21swapper/509:12:367
2691099153cyclictest0-21swapper/1109:50:173
2691099153cyclictest0-21swapper/1108:31:313
26910991513cyclictest89432sleep1109:26:153
26908991514cyclictest0-21swapper/910:31:0711
26908991514cyclictest0-21swapper/910:22:5711
26908991514cyclictest0-21swapper/910:13:0411
26908991514cyclictest0-21swapper/909:43:2411
26908991514cyclictest0-21swapper/909:43:2411
26908991513cyclictest18706-21chrt09:08:5811
26908991513cyclictest18706-21chrt09:08:5811
2690799154cyclictest0-21swapper/808:40:0010
2689899154cyclictest0-21swapper/707:25:019
26896991514cyclictest4180-21ssh10:40:427
2689499153cyclictest0-21swapper/308:41:015
26890991513cyclictest2308-21snmpd08:37:164
26873991511cyclictest991850irq/53-eth0-rx-09:21:190
2687399150cyclictest0-21swapper/007:45:120
4599140watchdog/518791-21diskmemload12:38:387
4599140watchdog/518791-21diskmemload12:38:387
2691099145cyclictest0-21swapper/1111:05:173
26908991413cyclictest991950irq/54-eth0-tx-10:05:3311
26908991413cyclictest991950irq/54-eth0-tx-07:25:1511
26908991413cyclictest991850irq/53-eth0-rx-08:49:2011
26908991413cyclictest761ksoftirqd/911:30:1611
26908991413cyclictest0-21swapper/912:02:1211
26908991413cyclictest0-21swapper/911:41:1911
26908991413cyclictest0-21swapper/911:03:2911
26908991413cyclictest0-21swapper/910:40:1111
26908991413cyclictest0-21swapper/909:36:1911
26908991413cyclictest0-21swapper/909:36:1811
2689799144cyclictest0-21swapper/608:50:018
26897991412cyclictest17569-21munin-run11:20:008
26896991413cyclictest6424-21ssh12:01:467
26896991413cyclictest27194-21qemu-kvm10:47:307
26896991413cyclictest16266-21ssh09:33:137
26895991413cyclictest991850irq/53-eth0-rx-10:08:326
2689499144cyclictest0-21swapper/308:00:185
26890991412cyclictest2308-21snmpd11:56:184
26873991413cyclictest991850irq/53-eth0-rx-08:25:320
1699140watchdog/00-21swapper/012:23:510
14050140irq/18-ehci_hcd0-21swapper/007:25:210
991950130irq/54-eth0-tx-0-21swapper/912:20:3011
991850130irq/53-eth0-rx-0-21swapper/010:22:020
6699130watchdog/80-21swapper/811:47:5810
2691099134cyclictest0-21swapper/1112:05:013
2691099134cyclictest0-21swapper/1110:05:023
2691099133cyclictest0-21swapper/1111:00:013
2691099133cyclictest0-21swapper/1109:47:233
26910991311cyclictest10585-21chrt08:10:303
26908991312cyclictest0-21swapper/912:13:1711
26908991312cyclictest0-21swapper/911:35:2111
26908991311cyclictest6462-21taskset07:21:4711
2690799134cyclictest0-21swapper/812:20:4810
2690799134cyclictest0-21swapper/811:10:0110
2690799133cyclictest0-21swapper/807:20:0110
2689899133cyclictest0-21swapper/709:22:029
2689799134cyclictest0-21swapper/612:15:008
2689799134cyclictest0-21swapper/609:05:018
2689799134cyclictest0-21swapper/609:05:008
2689799133cyclictest18639-21qemu-kvm09:45:378
2689799133cyclictest0-21swapper/612:00:018
2689799133cyclictest0-21swapper/610:45:008
2689799133cyclictest0-21swapper/608:05:018
2689799133cyclictest0-21swapper/607:33:018
26897991311cyclictest28153-21snmp_rack3slot911:27:028
26896991312cyclictest10183-21ssh11:12:567
2689499135cyclictest0-21swapper/307:58:285
2689499133cyclictest0-21swapper/310:37:085
2689099133cyclictest0-21swapper/211:45:174
26890991311cyclictest2308-21snmpd10:13:024
2688399133cyclictest0-21swapper/107:30:011
26873991312cyclictest991850irq/53-eth0-rx-10:09:040
26873991310cyclictest0-21swapper/009:42:030
26873991310cyclictest0-21swapper/009:42:030
2687399130cyclictest0-21swapper/008:10:210
2687399130cyclictest0-21swapper/007:22:090
991950120irq/54-eth0-tx-0-21swapper/011:49:150
991950120irq/54-eth0-tx-0-21swapper/011:39:570
991850120irq/53-eth0-rx-0-21swapper/610:31:528
901120ksoftirqd/110-21swapper/1112:37:563
901120ksoftirqd/110-21swapper/1112:37:563
691120ksoftirqd/80-21swapper/810:05:1510
551120ksoftirqd/60-21swapper/612:37:568
551120ksoftirqd/60-21swapper/612:37:568
551120ksoftirqd/60-21swapper/610:05:158
341120ksoftirqd/30-21swapper/312:37:565
341120ksoftirqd/30-21swapper/312:37:565
31120ksoftirqd/00-21swapper/010:12:450
31120ksoftirqd/00-21swapper/008:40:200
31120ksoftirqd/00-21swapper/007:57:170
2691099124cyclictest0-21swapper/1111:30:013
2691099123cyclictest0-21swapper/1111:20:013
2691099123cyclictest0-21swapper/1109:40:173
2691099123cyclictest0-21swapper/1109:40:173
2691099122cyclictest0-21swapper/1107:11:013
2691099122cyclictest0-21swapper/1107:11:013
26910991211cyclictest100712chrt07:26:133
2690899124cyclictest0-21swapper/911:50:0011
2690899123cyclictest0-21swapper/907:40:0111
26908991211cyclictest991850irq/53-eth0-rx-12:19:3511
26908991211cyclictest0-21swapper/911:30:0011
26908991211cyclictest0-21swapper/910:54:0311
26908991211cyclictest0-21swapper/910:40:0111
26908991210cyclictest7034-21chrt08:07:3911
2690799124cyclictest0-21swapper/810:25:0010
2690799123cyclictest0-21swapper/808:05:0110
2690799123cyclictest0-21swapper/807:30:0210
2689899124cyclictest0-21swapper/709:45:019
2689899124cyclictest0-21swapper/709:45:019
2689899124cyclictest0-21swapper/707:20:019
2689899124cyclictest0-21swapper/707:20:019
2689899123cyclictest0-21swapper/707:47:319
2689799123cyclictest0-21swapper/610:50:178
2689799123cyclictest0-21swapper/609:55:018
2689799123cyclictest0-21swapper/608:55:018
2689799122cyclictest0-21swapper/607:37:468
26896991210cyclictest18638-21qemu-kvm09:47:307
2689699121cyclictest7122-21qemu-kvm08:40:127
2689699120cyclictest0-21swapper/512:10:367
2689099124cyclictest0-21swapper/210:50:164
2689099122cyclictest0-21swapper/210:20:014
2689099122cyclictest0-21swapper/209:30:004
2689099122cyclictest0-21swapper/209:05:164
2689099122cyclictest0-21swapper/209:05:164
2689099122cyclictest0-21swapper/208:55:164
26890991210cyclictest2308-21snmpd08:20:324
26890991210cyclictest2308-21snmpd07:35:014
26890991210cyclictest0-21swapper/211:22:364
2689099121cyclictest0-21swapper/208:25:124
26873991211cyclictest10870-21chrt07:30:030
2687399120cyclictest0-21swapper/008:30:240
2687399120cyclictest0-21swapper/007:14:340
2687399120cyclictest0-21swapper/007:14:340
15050120irq/18-uhci_hcd0-21swapper/008:55:210
14050120irq/18-ehci_hcd0-21swapper/012:25:230
14050120irq/18-ehci_hcd0-21swapper/008:35:220
991950110irq/54-eth0-tx-0-21swapper/012:30:460
991950110irq/54-eth0-tx-0-21swapper/012:15:290
991950110irq/54-eth0-tx-0-21swapper/010:59:510
991950110irq/54-eth0-tx-0-21swapper/010:51:180
991850110irq/53-eth0-rx-0-21swapper/011:05:070
691110ksoftirqd/80-21swapper/812:37:5610
691110ksoftirqd/80-21swapper/812:37:5610
551110ksoftirqd/60-21swapper/611:32:418
551110ksoftirqd/60-21swapper/608:00:138
481110ksoftirqd/518638-21qemu-kvm09:29:377
481110ksoftirqd/518638-21qemu-kvm09:09:047
481110ksoftirqd/518638-21qemu-kvm09:09:047
481110ksoftirqd/50-21swapper/510:15:047
31110ksoftirqd/00-21swapper/011:22:570
271110ksoftirqd/20-21swapper/212:37:564
271110ksoftirqd/20-21swapper/212:37:564
271110ksoftirqd/20-21swapper/210:05:154
271110ksoftirqd/20-21swapper/208:00:144
2691099113cyclictest0-21swapper/1111:44:243
2691099113cyclictest0-21swapper/1111:02:543
2691099113cyclictest0-21swapper/1110:41:473
2691099113cyclictest0-21swapper/1110:19:473
2691099113cyclictest0-21swapper/1110:10:253
2691099113cyclictest0-21swapper/1109:34:013
2691099113cyclictest0-21swapper/1109:23:323
2691099113cyclictest0-21swapper/1108:41:233
2691099113cyclictest0-21swapper/1107:38:523
2691099112cyclictest0-21swapper/1111:38:473
2690899119cyclictest14243-21taskset08:15:3911
2690899114cyclictest0-21swapper/908:25:0111
2690899113cyclictest0-21swapper/908:33:5211
2690899113cyclictest0-21swapper/907:50:0211
2690899113cyclictest0-21swapper/907:35:0111
2690799113cyclictest0-21swapper/809:30:0110
2690799113cyclictest0-21swapper/809:28:4510
2690799113cyclictest0-21swapper/808:13:3110
2690799113cyclictest0-21swapper/808:00:0110
2690799112cyclictest0-21swapper/807:15:4610
2690799112cyclictest0-21swapper/807:15:4610
2689899116cyclictest12850irq/42-ahci11:00:019
2689899115cyclictest0-21swapper/711:28:489
2689899113cyclictest0-21swapper/711:00:019
2689899113cyclictest0-21swapper/710:03:239
2689899113cyclictest0-21swapper/707:22:319
2689799113cyclictest0-21swapper/612:07:488
2689799113cyclictest0-21swapper/611:02:238
2689799113cyclictest0-21swapper/610:29:428
2689799113cyclictest0-21swapper/609:39:178
2689799113cyclictest0-21swapper/609:39:178
2689799113cyclictest0-21swapper/607:50:028
2689799113cyclictest0-21swapper/607:42:018
2689799113cyclictest0-21swapper/607:17:468
2689799113cyclictest0-21swapper/607:17:468
2689799112cyclictest0-21swapper/610:20:468
2689799111cyclictest0-21swapper/610:55:008
2689799111cyclictest0-21swapper/608:54:478
2689599113cyclictest0-21swapper/410:50:006
2689499113cyclictest0-21swapper/307:10:165
2689499113cyclictest0-21swapper/307:10:165
2689499111cyclictest0-21swapper/312:17:125
2689499110cyclictest0-21swapper/311:59:085
2689499110cyclictest0-21swapper/308:21:405
2689499110cyclictest0-21swapper/307:31:405
2689499110cyclictest0-21swapper/307:15:135
2689499110cyclictest0-21swapper/307:15:125
2689099113cyclictest0-21swapper/212:10:174
2689099113cyclictest0-21swapper/212:00:164
2689099113cyclictest0-21swapper/211:15:164
2689099113cyclictest0-21swapper/211:10:164
2689099113cyclictest0-21swapper/210:45:164
2689099113cyclictest0-21swapper/208:10:154
2689099111cyclictest0-21swapper/210:30:164
2688399113cyclictest0-21swapper/108:30:181
2688399113cyclictest0-21swapper/107:55:161
2688399113cyclictest0-21swapper/107:40:161
2688399112cyclictest0-21swapper/108:45:181
2687399112cyclictest0-21swapper/010:19:530
26873991110cyclictest991850irq/53-eth0-rx-08:21:540
2687399110cyclictest0-21swapper/009:31:170
201110ksoftirqd/10-21swapper/112:37:561
201110ksoftirqd/10-21swapper/112:37:561
1699110watchdog/00-21swapper/012:36:020
1699110watchdog/00-21swapper/012:36:020
1699110watchdog/00-21swapper/010:40:150
1699110watchdog/00-21swapper/010:01:020
15050110irq/18-uhci_hcd0-21swapper/011:00:220
15050110irq/18-uhci_hcd0-21swapper/010:37:500
15050110irq/18-uhci_hcd0-21swapper/007:40:230
15050110irq/18-uhci_hcd0-21swapper/007:37:120
12850110irq/42-ahci0-21swapper/012:00:010
115050110irq/18-i801_smb0-21swapper/610:47:528
991950100irq/54-eth0-tx-0-21swapper/711:10:419
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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