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2026-05-21 - 08:29
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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 Thu May 21, 2026 00:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501110irq/42-ahci0-21swapper/219:08:264
122501110irq/42-ahci0-21swapper/219:08:264
122501110irq/42-ahci0-21swapper/219:08:254
26783210995sleep80-21swapper/819:05:3510
26783210995sleep80-21swapper/819:05:3510
26783210995sleep80-21swapper/819:05:3410
26850210795sleep30-21swapper/319:06:305
26850210795sleep30-21swapper/319:06:305
26850210795sleep30-21swapper/319:06:295
26891210491sleep50-21swapper/519:07:087
26891210491sleep50-21swapper/519:07:087
26891210491sleep50-21swapper/519:07:077
26858210390sleep110-21swapper/1119:06:383
26858210390sleep110-21swapper/1119:06:383
26858210390sleep110-21swapper/1119:06:373
3054950990irq/53-eth0-rx-0-21swapper/419:05:206
3054950990irq/53-eth0-rx-0-21swapper/419:05:206
3054950990irq/53-eth0-rx-0-21swapper/419:05:196
12250990irq/42-ahci0-21swapper/719:09:049
12250990irq/42-ahci0-21swapper/719:09:049
12250990irq/42-ahci0-21swapper/719:09:039
12250990irq/42-ahci0-21swapper/119:08:581
12250990irq/42-ahci0-21swapper/119:08:581
12250990irq/42-ahci0-21swapper/119:08:571
3054950860irq/53-eth0-rx-0-21swapper/1019:05:202
3054950860irq/53-eth0-rx-0-21swapper/1019:05:192
3054950860irq/53-eth0-rx-0-21swapper/1019:05:192
171450770irq/56-eth1-rx-0-21swapper/919:09:1511
171450770irq/56-eth1-rx-0-21swapper/919:09:1411
171450770irq/56-eth1-rx-0-21swapper/919:09:1411
2684427667sleep00-21swapper/019:06:270
2684427667sleep00-21swapper/019:06:270
2684427667sleep00-21swapper/019:06:260
2686626454sleep60-21swapper/619:06:458
2686626454sleep60-21swapper/619:06:448
2686626454sleep60-21swapper/619:06:448
27602992120cyclictest0-21swapper/1121:13:233
2759799203cyclictest3054950irq/53-eth0-rx-22:11:282
27577992010cyclictest0-21swapper/721:41:319
2755199203cyclictest3054950irq/53-eth0-rx-21:24:550
2759799192cyclictest3054950irq/53-eth0-rx-22:29:562
2759799192cyclictest3054950irq/53-eth0-rx-22:29:562
2759799192cyclictest3054950irq/53-eth0-rx-21:46:022
2759799192cyclictest3054950irq/53-eth0-rx-21:25:512
2759799192cyclictest3054950irq/53-eth0-rx-21:12:212
2759799192cyclictest3054950irq/53-eth0-rx-00:36:282
2759799192cyclictest3054950irq/53-eth0-rx-00:18:272
2759099192cyclictest0-21swapper/922:38:3911
2759099192cyclictest0-21swapper/921:28:5011
2759099192cyclictest0-21swapper/900:39:3411
2759099192cyclictest0-21swapper/900:21:0011
27597991817cyclictest0-21swapper/1023:27:342
27597991817cyclictest0-21swapper/1022:45:382
27597991817cyclictest0-21swapper/1019:10:162
27597991817cyclictest0-21swapper/1000:13:392
27597991816cyclictest0-21swapper/1021:23:132
2759799181cyclictest3055050irq/54-eth0-tx-23:40:132
2759799181cyclictest3055050irq/54-eth0-tx-22:31:382
2759799181cyclictest3055050irq/54-eth0-tx-22:31:382
2759799181cyclictest3054950irq/53-eth0-rx-22:57:542
2759799181cyclictest3054950irq/53-eth0-rx-22:54:222
2759799181cyclictest3054950irq/53-eth0-rx-22:41:192
2759799181cyclictest3054950irq/53-eth0-rx-22:41:182
2759799181cyclictest3054950irq/53-eth0-rx-22:35:572
2759799181cyclictest3054950irq/53-eth0-rx-22:16:382
2759799181cyclictest3054950irq/53-eth0-rx-22:16:372
2759799181cyclictest3054950irq/53-eth0-rx-22:05:502
2759799181cyclictest3054950irq/53-eth0-rx-21:50:592
2759799181cyclictest3054950irq/53-eth0-rx-21:42:112
2759799181cyclictest3054950irq/53-eth0-rx-20:44:342
2759799181cyclictest3054950irq/53-eth0-rx-20:40:002
2759799181cyclictest3054950irq/53-eth0-rx-20:22:442
2759799181cyclictest3054950irq/53-eth0-rx-20:12:312
2759799181cyclictest3054950irq/53-eth0-rx-19:36:202
2759099181cyclictest761ksoftirqd/923:54:3111
2759099181cyclictest3055050irq/54-eth0-tx-21:36:1511
2759099181cyclictest3054950irq/53-eth0-rx-23:25:1411
2759099181cyclictest18490-21ssh21:21:5911
2759099181cyclictest0-21swapper/923:37:4011
2759099181cyclictest0-21swapper/923:20:4411
2759099181cyclictest0-21swapper/922:58:1711
2759099181cyclictest0-21swapper/922:30:2811
2759099181cyclictest0-21swapper/922:30:2811
2759099181cyclictest0-21swapper/922:25:5611
2759099181cyclictest0-21swapper/922:25:5511
2759099181cyclictest0-21swapper/922:21:4611
2759099181cyclictest0-21swapper/922:19:0311
2759099181cyclictest0-21swapper/922:19:0211
2759099181cyclictest0-21swapper/922:10:1411
2759099181cyclictest0-21swapper/921:59:4611
2759099181cyclictest0-21swapper/921:49:5311
2759099181cyclictest0-21swapper/920:09:2911
2759099181cyclictest0-21swapper/919:30:0111
2759099181cyclictest0-21swapper/919:30:0011
2759099181cyclictest0-21swapper/900:17:2211
2759099181cyclictest0-21swapper/900:10:4011
2759099181cyclictest0-21swapper/900:02:4611
27564991816cyclictest19115-21snmp_rack3slot923:41:244
27564991816cyclictest15736-21ssh22:43:564
27564991816cyclictest15736-21ssh22:43:554
2755199180cyclictest0-21swapper/022:28:000
2755199180cyclictest0-21swapper/022:28:000
27597991716cyclictest0-21swapper/1023:15:322
2759799170cyclictest811rcuc/1023:20:242
2759799170cyclictest811rcuc/1022:00:132
2759799170cyclictest66382sleep1019:25:132
2759799170cyclictest66382sleep1019:25:132
2759799170cyclictest46512sleep1019:22:372
2759799170cyclictest45302sleep1023:00:382
2759799170cyclictest327642sleep1000:20:462
2759799170cyclictest313792sleep1020:05:422
2759799170cyclictest3055050irq/54-eth0-tx-23:50:372
2759799170cyclictest3055050irq/54-eth0-tx-23:30:152
2759799170cyclictest3055050irq/54-eth0-tx-23:05:212
2759799170cyclictest3055050irq/54-eth0-tx-00:05:272
2759799170cyclictest3054950irq/53-eth0-rx-23:55:232
2759799170cyclictest3054950irq/53-eth0-rx-23:45:522
2759799170cyclictest3054950irq/53-eth0-rx-23:35:212
2759799170cyclictest3054950irq/53-eth0-rx-23:10:132
2759799170cyclictest3054950irq/53-eth0-rx-22:20:152
2759799170cyclictest3054950irq/53-eth0-rx-21:55:082
2759799170cyclictest3054950irq/53-eth0-rx-21:35:222
2759799170cyclictest3054950irq/53-eth0-rx-21:15:102
2759799170cyclictest3054950irq/53-eth0-rx-21:00:322
2759799170cyclictest3054950irq/53-eth0-rx-20:25:062
2759799170cyclictest3054950irq/53-eth0-rx-20:15:342
2759799170cyclictest3054950irq/53-eth0-rx-20:00:322
2759799170cyclictest3054950irq/53-eth0-rx-19:30:092
2759799170cyclictest3054950irq/53-eth0-rx-19:30:092
2759799170cyclictest3054950irq/53-eth0-rx-00:30:212
2759799170cyclictest3054950irq/53-eth0-rx-00:25:192
2759799170cyclictest3054950irq/53-eth0-rx-00:00:032
2759799170cyclictest292102sleep1020:59:232
2759799170cyclictest282862sleep1021:30:162
2759799170cyclictest255202sleep1019:57:422
2759799170cyclictest25452sleep1021:05:362
2759799170cyclictest25452sleep1021:05:362
2759799170cyclictest229422sleep1020:45:342
2759799170cyclictest225582sleep1019:52:522
2759799170cyclictest172612sleep1019:45:042
2759799170cyclictest16492sleep1019:18:372
2759799170cyclictest16492sleep1019:18:372
2759799170cyclictest142812sleep1019:40:032
2759799170cyclictest141942sleep1020:33:082
27590991716cyclictest0-21swapper/923:05:3011
2759099171cyclictest0-21swapper/922:40:5411
2759099171cyclictest0-21swapper/922:40:5311
2759099170cyclictest761ksoftirqd/919:15:0811
2759099170cyclictest761ksoftirqd/919:15:0811
2759099170cyclictest3054950irq/53-eth0-rx-23:40:1811
2759099170cyclictest29279-21sh21:30:3911
2759099170cyclictest141-21kworker/9:100:27:0911
2759099170cyclictest0-21swapper/923:17:2611
2759099170cyclictest0-21swapper/923:12:3511
2759099170cyclictest0-21swapper/922:53:5611
2759099170cyclictest0-21swapper/922:45:4011
2759099170cyclictest0-21swapper/922:07:4211
2759099170cyclictest0-21swapper/921:40:1211
2759099170cyclictest0-21swapper/921:17:5911
2759099170cyclictest0-21swapper/920:20:0811
2759099170cyclictest0-21swapper/919:45:1911
2759099170cyclictest0-21swapper/919:40:1811
27575991716cyclictest6985-21qemu-kvm22:22:078
27575991716cyclictest31616-21qemu-kvm20:17:348
27564991715cyclictest9599-21iostat23:05:164
27564991715cyclictest8642-21ssh22:36:534
27564991715cyclictest5518-21diskstats23:30:134
27564991715cyclictest32593-21snmp_rack3slot919:15:124
27564991715cyclictest32593-21snmp_rack3slot919:15:124
27564991715cyclictest30090-21ssh22:28:004
27564991715cyclictest30090-21ssh22:28:004
27564991715cyclictest28102-21perl21:30:124
27564991715cyclictest23686-21ssh21:25:594
27564991715cyclictest19966-21yum20:40:344
27564991715cyclictest1962-21ssh23:26:554
27564991715cyclictest17427-21ssh22:16:204
27564991715cyclictest17427-21ssh22:16:194
27564991715cyclictest16563-21snmp_rack3slot921:20:154
27564991715cyclictest13490-21ssh21:18:174
27564991715cyclictest11363-21munin-run20:30:004
27553991716cyclictest2958-21diskmemload22:59:091
27602991615cyclictest3054950irq/53-eth0-rx-20:16:353
27590991615cyclictest20952-21ssh21:51:5211
27590991615cyclictest0-21swapper/923:45:2711
27590991615cyclictest0-21swapper/919:21:5911
27590991615cyclictest0-21swapper/900:08:3711
2759099161cyclictest0-21swapper/921:14:4011
2757099161cyclictest0-21swapper/322:15:125
2757099161cyclictest0-21swapper/322:15:115
27564991614cyclictest6112-21snmp_rack3slot900:25:354
27564991614cyclictest5796-21snmp_rack3slot922:06:244
27564991614cyclictest4282-21snmp_rack3slot920:15:144
27564991614cyclictest26744-21ssh23:49:174
27564991614cyclictest21225-21ssh00:10:494
27564991614cyclictest20535-21ssh21:51:144
27564991614cyclictest19684-21ssh22:46:014
27564991614cyclictest15822-21ssh23:10:234
27553991615cyclictest2958-21diskmemload23:18:241
27553991615cyclictest2958-21diskmemload21:25:051
27553991614cyclictest28621-21ssh21:59:431
27553991614cyclictest11307-21ssh21:15:211
27551991614cyclictest9639-21head19:30:130
27551991614cyclictest9639-21head19:30:120
27551991614cyclictest8208-21chrt20:22:450
27602991514cyclictest3054950irq/53-eth0-rx-20:23:273
27590991514cyclictest0-21swapper/920:28:3311
27590991514cyclictest0-21swapper/900:34:4311
2758499151cyclictest0-21swapper/822:10:2210
2757799154cyclictest0-21swapper/722:45:029
2757799154cyclictest0-21swapper/719:40:019
2757799153cyclictest0-21swapper/721:10:009
2757799153cyclictest0-21swapper/721:10:009
27575991513cyclictest31616-21qemu-kvm20:08:458
27564991513cyclictest842-21ssh00:21:354
27564991513cyclictest5335-21snmp_rack3slot923:01:504
27564991513cyclictest32760-21df22:30:124
27564991513cyclictest32760-21df22:30:124
27564991513cyclictest29502-21ntp_states19:10:164
27564991513cyclictest23287-21munin-run20:50:014
27564991513cyclictest2305-21snmpd23:57:534
27564991513cyclictest2172-21ntp_states21:35:234
27564991513cyclictest18861-21iostat19:45:164
27564991513cyclictest16446-21iostat20:35:174
27564991513cyclictest14872-21ssh23:38:494
27564991513cyclictest14587-21ssh00:05:184
27564991513cyclictest12447-21ssh00:31:274
27564991513cyclictest10091-21ssh00:01:324
27553991514cyclictest2958-21diskmemload23:36:231
27553991514cyclictest2958-21diskmemload00:12:361
27553991513cyclictest29930-21ssh22:27:441
27553991513cyclictest29930-21ssh22:27:441
27551991514cyclictest3054950irq/53-eth0-rx-21:26:530
27551991514cyclictest2287-21nscd20:10:260
2760299140cyclictest0-21swapper/1122:43:553
2760299140cyclictest0-21swapper/1122:43:553
27597991413cyclictest0-21swapper/1020:50:552
27590991413cyclictest447-1kworker/9:1H19:55:1911
27590991413cyclictest26098-21runrttasks20:52:5211
27590991413cyclictest0-21swapper/920:00:0511
2758499147cyclictest0-21swapper/821:13:4310
2758499146cyclictest0-21swapper/823:40:0610
2758499140cyclictest0-21swapper/823:49:2410
2758499140cyclictest0-21swapper/823:05:0910
2758499140cyclictest0-21swapper/821:56:1910
2758499140cyclictest0-21swapper/821:29:0510
2758499140cyclictest0-21swapper/819:10:2410
2758499140cyclictest0-21swapper/800:11:4810
2757799145cyclictest0-21swapper/723:20:029
2757799144cyclictest0-21swapper/721:50:019
2757799143cyclictest0-21swapper/720:30:019
2757799143cyclictest0-21swapper/700:15:009
27564991412cyclictest31982-21snmp_rack3slot921:01:124
27564991412cyclictest26017-21snmp_rack3slot920:51:464
27564991412cyclictest2305-21snmpd21:11:064
27564991412cyclictest13642-21ssh22:14:284
27553991412cyclictest9084-21ssh00:00:221
27553991412cyclictest12367-21ssh23:08:461
27551991413cyclictest108392sleep020:25:230
27551991412cyclictest1455-21taskset19:16:030
27551991412cyclictest1455-21taskset19:16:030
27551991411cyclictest3054950irq/53-eth0-rx-22:12:400
13450140irq/18-ehci_hcd0-21swapper/021:39:510
5999130watchdog/70-21swapper/723:06:599
3055050130irq/54-eth0-tx-0-21swapper/023:07:470
2759099133cyclictest0-21swapper/921:00:5611
27590991312cyclictest377-21ssh22:02:1211
27590991312cyclictest29401-21load19:10:1511
27590991312cyclictest23095-21taskset20:47:3811
27590991312cyclictest0-21swapper/923:31:1911
27590991312cyclictest0-21swapper/920:10:2111
27590991312cyclictest0-21swapper/919:33:1911
27590991312cyclictest0-21swapper/919:33:1811
2758499137cyclictest0-21swapper/823:19:4110
2758499137cyclictest0-21swapper/822:29:4310
2758499137cyclictest0-21swapper/822:29:4310
2758499137cyclictest0-21swapper/820:41:3410
2758499136cyclictest0-21swapper/822:03:2910
2758499135cyclictest0-21swapper/822:37:4310
2758499135cyclictest0-21swapper/821:32:3510
2758499135cyclictest0-21swapper/800:38:2610
2758499135cyclictest0-21swapper/800:25:5810
2758499134cyclictest0-21swapper/820:53:5010
2758499131cyclictest0-21swapper/823:50:1710
2758499131cyclictest0-21swapper/820:30:1710
2758499130cyclictest0-21swapper/823:57:3910
2758499130cyclictest0-21swapper/823:35:1710
2758499130cyclictest0-21swapper/822:50:5110
2758499130cyclictest0-21swapper/822:23:4610
2758499130cyclictest0-21swapper/822:06:3510
2758499130cyclictest0-21swapper/821:46:5010
2758499130cyclictest0-21swapper/821:42:4910
2758499130cyclictest0-21swapper/821:39:4110
2758499130cyclictest0-21swapper/821:22:0510
2758499130cyclictest0-21swapper/821:05:1710
2758499130cyclictest0-21swapper/821:05:1710
2758499130cyclictest0-21swapper/820:26:0710
2758499130cyclictest0-21swapper/819:42:5510
2758499130cyclictest0-21swapper/800:17:3610
2757799136cyclictest12250irq/42-ahci23:44:599
2757799134cyclictest0-21swapper/720:30:019
2757799134cyclictest0-21swapper/720:10:029
2757799133cyclictest0-21swapper/723:51:329
2757799133cyclictest0-21swapper/723:37:529
2757799133cyclictest0-21swapper/723:31:379
2757799133cyclictest0-21swapper/723:28:229
2757799133cyclictest0-21swapper/723:16:229
2757799133cyclictest0-21swapper/722:50:369
2757799133cyclictest0-21swapper/722:44:229
2757799133cyclictest0-21swapper/722:44:219
2757799133cyclictest0-21swapper/722:31:269
2757799133cyclictest0-21swapper/722:31:269
2757799133cyclictest0-21swapper/722:08:259
2757799133cyclictest0-21swapper/721:59:519
2757799133cyclictest0-21swapper/721:49:069
2757799133cyclictest0-21swapper/721:36:019
2757799133cyclictest0-21swapper/721:33:549
2757799133cyclictest0-21swapper/721:28:109
2757799133cyclictest0-21swapper/721:24:259
2757799133cyclictest0-21swapper/721:14:249
2757799133cyclictest0-21swapper/721:00:549
2757799133cyclictest0-21swapper/720:53:059
2757799133cyclictest0-21swapper/720:48:519
2757799133cyclictest0-21swapper/720:42:419
2757799133cyclictest0-21swapper/720:16:269
2757799133cyclictest0-21swapper/720:07:369
2757799133cyclictest0-21swapper/720:02:069
2757799133cyclictest0-21swapper/719:59:359
2757799133cyclictest0-21swapper/719:49:059
2757799133cyclictest0-21swapper/719:31:169
2757799133cyclictest0-21swapper/719:31:159
2757799133cyclictest0-21swapper/719:24:539
2757799133cyclictest0-21swapper/719:12:419
2757799133cyclictest0-21swapper/700:36:579
2757799133cyclictest0-21swapper/700:33:239
2757799133cyclictest0-21swapper/700:06:569
2757599133cyclictest0-21swapper/622:05:018
2757599133cyclictest0-21swapper/621:00:008
2757599133cyclictest0-21swapper/620:03:368
2757599133cyclictest0-21swapper/619:46:268
2757599133cyclictest0-21swapper/619:34:248
2757599133cyclictest0-21swapper/619:34:238
2757599133cyclictest0-21swapper/600:11:418
2757599133cyclictest0-21swapper/600:05:578
27574991311cyclictest2804-21qemu-kvm21:10:257
27574991311cyclictest25737-21snmp_easybox.os20:50:237
27574991311cyclictest13790-21munin-node23:10:137
2757399133cyclictest0-21swapper/421:20:176
2757399133cyclictest0-21swapper/419:45:166
27564991311cyclictest27193-21ssh22:53:404
27564991311cyclictest24112-21ssh22:22:414
27564991311cyclictest23063-21ssh23:17:204
27564991311cyclictest16135-21df00:35:134
2755399133cyclictest0-21swapper/121:00:171
27553991311cyclictest28896-21ssh23:22:241
27553991311cyclictest18421-21ssh22:17:531
27553991311cyclictest18421-21ssh22:17:531
27553991311cyclictest12984-21ssh22:13:271
2755199139cyclictest0-21swapper/022:05:210
2755199133cyclictest0-21swapper/022:50:150
2755199133cyclictest0-21swapper/020:15:160
27551991312cyclictest0-21swapper/019:10:180
27551991311cyclictest0-21swapper/022:19:590
27551991311cyclictest0-21swapper/022:19:580
2755199131cyclictest0-21swapper/023:00:120
2755199130cyclictest0-21swapper/023:51:360
14750130irq/18-uhci_hcd0-21swapper/021:45:210
13450130irq/18-ehci_hcd0-21swapper/021:10:230
3055050120irq/54-eth0-tx-0-21swapper/000:12:490
3054950120irq/53-eth0-rx-0-21swapper/022:44:030
3054950120irq/53-eth0-rx-0-21swapper/022:44:020
3054950120irq/53-eth0-rx-0-21swapper/021:55:100
2760299124cyclictest0-21swapper/1121:35:213
2760299122cyclictest0-21swapper/1120:32:533
2760299120cyclictest0-21swapper/1120:51:063
27590991211cyclictest0-21swapper/923:57:3511
27590991211cyclictest0-21swapper/923:01:3711
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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