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2026-01-12 - 09:50
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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 Jan 12, 2026 00:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128501140irq/42-ahci0-21swapper/119:08:271
5961210490sleep110-21swapper/1119:07:103
128501030irq/42-ahci0-21swapper/219:09:074
6178210196sleep80-21swapper/819:09:1910
9918501000irq/53-eth0-rx-0-21swapper/519:07:477
991850980irq/53-eth0-rx-0-21swapper/419:07:086
991850960irq/53-eth0-rx-0-21swapper/319:09:265
615029482sleep90-21swapper/919:08:5611
618029287sleep100-21swapper/1019:09:212
991850910irq/53-eth0-rx-0-21swapper/719:05:499
587327160sleep60-21swapper/619:06:058
586626656sleep00-21swapper/019:05:590
633299206cyclictest991850irq/53-eth0-rx-22:19:320
637399192cyclictest991850irq/53-eth0-rx-23:45:592
637399192cyclictest991850irq/53-eth0-rx-23:44:572
637399192cyclictest991850irq/53-eth0-rx-23:21:592
637399192cyclictest991850irq/53-eth0-rx-22:51:282
637399192cyclictest991850irq/53-eth0-rx-22:46:292
637399192cyclictest991850irq/53-eth0-rx-22:25:472
637399192cyclictest991850irq/53-eth0-rx-22:09:122
637399192cyclictest991850irq/53-eth0-rx-21:47:122
637399192cyclictest991850irq/53-eth0-rx-21:17:552
637399192cyclictest991850irq/53-eth0-rx-00:38:022
637399192cyclictest991850irq/53-eth0-rx-00:15:172
637399192cyclictest991850irq/53-eth0-rx-00:11:332
637299192cyclictest0-21swapper/923:18:3311
637299192cyclictest0-21swapper/921:25:1111
637299192cyclictest0-21swapper/921:22:5611
6373991817cyclictest811rcuc/1019:54:012
6373991817cyclictest0-21swapper/1019:22:042
6373991817cyclictest0-21swapper/1000:27:052
637399181cyclictest991950irq/54-eth0-tx-22:22:172
637399181cyclictest991950irq/54-eth0-tx-21:59:152
637399181cyclictest991950irq/54-eth0-tx-21:44:022
637399181cyclictest991850irq/53-eth0-rx-23:56:052
637399181cyclictest991850irq/53-eth0-rx-23:35:432
637399181cyclictest991850irq/53-eth0-rx-23:35:422
637399181cyclictest991850irq/53-eth0-rx-23:30:202
637399181cyclictest991850irq/53-eth0-rx-23:15:462
637399181cyclictest991850irq/53-eth0-rx-23:12:582
637399181cyclictest991850irq/53-eth0-rx-23:00:362
637399181cyclictest991850irq/53-eth0-rx-22:59:402
637399181cyclictest991850irq/53-eth0-rx-22:36:352
637399181cyclictest991850irq/53-eth0-rx-22:32:002
637399181cyclictest991850irq/53-eth0-rx-22:17:042
637399181cyclictest991850irq/53-eth0-rx-22:11:482
637399181cyclictest991850irq/53-eth0-rx-22:01:232
637399181cyclictest991850irq/53-eth0-rx-21:54:222
637399181cyclictest991850irq/53-eth0-rx-21:37:592
637399181cyclictest991850irq/53-eth0-rx-21:30:402
637399181cyclictest991850irq/53-eth0-rx-21:21:442
637399181cyclictest991850irq/53-eth0-rx-21:12:052
637399181cyclictest991850irq/53-eth0-rx-00:34:392
637399181cyclictest991850irq/53-eth0-rx-00:20:122
637399181cyclictest991850irq/53-eth0-rx-00:06:222
637399181cyclictest991850irq/53-eth0-rx-00:02:082
637399181cyclictest255442sleep1019:31:242
637399181cyclictest12850irq/42-ahci20:09:042
6372991816cyclictest13020-21ssh22:14:1011
637299181cyclictest17352-21ssh23:35:2511
637299181cyclictest17352-21ssh23:35:2411
637299181cyclictest17179-1kworker/9:0H19:11:0011
637299181cyclictest0-21swapper/922:15:2511
637299181cyclictest0-21swapper/922:07:1411
637299181cyclictest0-21swapper/921:52:5711
637299181cyclictest0-21swapper/921:46:3011
637299181cyclictest0-21swapper/921:38:4611
637299181cyclictest0-21swapper/921:33:3111
637299181cyclictest0-21swapper/921:15:1611
637299181cyclictest0-21swapper/919:45:4011
637299181cyclictest0-21swapper/900:31:0411
637299181cyclictest0-21swapper/900:25:0711
6373991716cyclictest12357-1kworker/10:1H20:21:322
6373991716cyclictest0-21swapper/1021:25:232
6373991716cyclictest0-21swapper/1020:10:102
6373991716cyclictest0-21swapper/1019:40:452
637399170cyclictest991850irq/53-eth0-rx-23:50:472
637399170cyclictest991850irq/53-eth0-rx-23:50:462
637399170cyclictest991850irq/53-eth0-rx-23:25:212
637399170cyclictest991850irq/53-eth0-rx-23:25:202
637399170cyclictest991850irq/53-eth0-rx-23:05:082
637399170cyclictest991850irq/53-eth0-rx-22:40:202
637399170cyclictest991850irq/53-eth0-rx-21:00:132
637399170cyclictest991850irq/53-eth0-rx-21:00:122
637399170cyclictest991850irq/53-eth0-rx-19:45:242
637399170cyclictest991850irq/53-eth0-rx-19:25:132
637399170cyclictest991850irq/53-eth0-rx-19:11:542
637399170cyclictest46142sleep1020:30:412
637399170cyclictest305102sleep1020:25:062
637399170cyclictest301472sleep1021:05:452
637399170cyclictest293432sleep1019:38:352
637399170cyclictest261702sleep1020:17:402
637399170cyclictest229922sleep1020:57:442
637399170cyclictest229922sleep1020:57:442
637399170cyclictest192502chrt20:51:202
637399170cyclictest151072sleep1020:01:382
637399170cyclictest131152sleep1019:15:212
637399170cyclictest12850irq/42-ahci20:35:442
637399170cyclictest119842sleep1020:41:422
637399170cyclictest114192sleep1019:56:262
6372991716cyclictest0-21swapper/923:20:1311
637299170cyclictest17179-1kworker/9:0H22:22:2911
637299170cyclictest0-21swapper/923:52:3411
637299170cyclictest0-21swapper/923:52:3311
637299170cyclictest0-21swapper/923:32:5011
637299170cyclictest0-21swapper/923:14:5911
637299170cyclictest0-21swapper/923:02:3911
637299170cyclictest0-21swapper/922:32:4211
637299170cyclictest0-21swapper/921:56:1711
637299170cyclictest0-21swapper/921:42:3911
637299170cyclictest0-21swapper/921:12:0611
637299170cyclictest0-21swapper/919:30:1911
637299170cyclictest0-21swapper/900:20:4211
636999175cyclictest0-21swapper/619:40:168
6369991716cyclictest18917-21qemu-kvm20:12:478
6348991715cyclictest2308-21snmpd19:40:464
6332991713cyclictest991850irq/53-eth0-rx-21:16:350
901160ksoftirqd/110-21swapper/1119:12:243
6372991615cyclictest761ksoftirqd/922:35:1611
6372991615cyclictest0-21swapper/923:05:5111
6372991615cyclictest0-21swapper/922:51:3011
6372991615cyclictest0-21swapper/922:03:1011
637299161cyclictest0-21swapper/923:43:3311
637199166cyclictest0-21swapper/822:50:0110
6348991614cyclictest2308-21snmpd20:14:014
6332991615cyclictest12850irq/42-ahci20:15:120
6373991513cyclictest13606-21df_inode20:45:122
637299154cyclictest0-21swapper/919:15:0111
6372991514cyclictest0-21swapper/923:56:4611
6372991514cyclictest0-21swapper/923:28:4611
6372991514cyclictest0-21swapper/923:28:4511
6372991514cyclictest0-21swapper/922:55:3911
6372991514cyclictest0-21swapper/922:46:4411
6372991514cyclictest0-21swapper/922:42:5611
6372991514cyclictest0-21swapper/920:40:1411
6372991514cyclictest0-21swapper/920:28:2511
6372991514cyclictest0-21swapper/900:36:0511
6372991514cyclictest0-21swapper/900:14:2911
6372991513cyclictest26080-21taskset20:16:2411
6360991514cyclictest991850irq/53-eth0-rx-19:12:066
6332991514cyclictest30478-1kworker/0:0H21:09:230
6332991514cyclictest2519-21nmbd22:10:280
6332991514cyclictest225182sleep020:12:290
6332991514cyclictest0-21swapper/019:49:230
6332991513cyclictest31ksoftirqd/019:18:360
991950140irq/54-eth0-tx-0-21swapper/021:48:590
6699140watchdog/80-21swapper/823:31:2710
637299145cyclictest0-21swapper/920:50:1711
6372991413cyclictest0-21swapper/923:47:1011
6372991413cyclictest0-21swapper/921:07:2011
637199144cyclictest0-21swapper/822:40:0110
637199144cyclictest0-21swapper/822:00:0010
637199144cyclictest0-21swapper/819:55:0110
637199144cyclictest0-21swapper/800:35:0110
637199143cyclictest0-21swapper/821:00:0110
637199143cyclictest0-21swapper/821:00:0110
636999144cyclictest0-21swapper/622:00:008
6369991413cyclictest6086-21qemu-kvm19:14:118
635399143cyclictest0-21swapper/322:59:165
635399140cyclictest0-21swapper/322:14:385
6348991412cyclictest2308-21snmpd22:43:024
6348991412cyclictest2308-21snmpd21:21:024
634899140cyclictest0-21swapper/200:04:424
633299140cyclictest0-21swapper/019:35:230
3899140watchdog/40-21swapper/423:46:386
991950130irq/54-eth0-tx-0-21swapper/100:35:591
991950130irq/54-eth0-tx-0-21swapper/000:39:180
991850130irq/53-eth0-rx-0-21swapper/022:52:440
991850130irq/53-eth0-rx-0-21swapper/021:38:070
637299134cyclictest0-21swapper/919:25:0111
637299133cyclictest0-21swapper/920:55:0111
637299133cyclictest0-21swapper/920:55:0111
6372991312cyclictest0-21swapper/921:02:5311
6372991312cyclictest0-21swapper/921:02:5211
6372991312cyclictest0-21swapper/920:20:1011
6372991312cyclictest0-21swapper/900:17:0911
637199134cyclictest0-21swapper/819:20:0010
637199133cyclictest0-21swapper/821:26:3110
637199133cyclictest0-21swapper/820:25:1610
637199133cyclictest0-21swapper/820:16:4610
637199133cyclictest0-21swapper/819:34:0110
637199132cyclictest0-21swapper/819:45:0010
636999134cyclictest0-21swapper/621:35:018
636999133cyclictest0-21swapper/620:50:018
635399133cyclictest0-21swapper/322:34:385
635399133cyclictest0-21swapper/321:10:175
635399133cyclictest0-21swapper/320:30:165
633299133cyclictest0-21swapper/019:40:140
6332991312cyclictest991850irq/53-eth0-rx-22:29:270
633299130cyclictest0-21swapper/023:45:220
633299130cyclictest0-21swapper/023:10:040
2499130watchdog/20-21swapper/200:36:144
15050130irq/18-uhci_hcd0-21swapper/021:14:410
14050130irq/18-ehci_hcd0-21swapper/023:15:050
991950120irq/54-eth0-tx-0-21swapper/721:51:029
991950120irq/54-eth0-tx-0-21swapper/000:16:060
991850120irq/53-eth0-rx-0-21swapper/022:55:120
991850120irq/53-eth0-rx-0-21swapper/022:23:170
637299123cyclictest0-21swapper/922:25:0011
637299123cyclictest0-21swapper/920:10:0111
637299123cyclictest0-21swapper/919:40:0011
637199124cyclictest0-21swapper/820:20:0110
637199123cyclictest0-21swapper/822:16:1710
637199123cyclictest0-21swapper/821:24:1710
637199122cyclictest0-21swapper/823:10:0110
637199120cyclictest0-21swapper/820:07:0110
636999124cyclictest0-21swapper/621:35:018
6369991210cyclictest15458-21python00:00:258
6360991210cyclictest28986-21ssh22:52:526
635399124cyclictest2242-40kipmi021:30:175
635399123cyclictest0-21swapper/323:03:395
635399122cyclictest0-21swapper/321:53:395
635399122cyclictest0-21swapper/321:15:325
635399121cyclictest0-21swapper/323:25:295
635399121cyclictest0-21swapper/323:25:295
635399121cyclictest0-21swapper/323:11:155
635399121cyclictest0-21swapper/300:15:195
635399120cyclictest0-21swapper/323:56:385
634899122cyclictest0-21swapper/221:55:154
634899120cyclictest0-21swapper/223:20:114
633299120cyclictest0-21swapper/023:56:160
633299120cyclictest0-21swapper/023:20:050
633299120cyclictest0-21swapper/022:45:240
633299120cyclictest0-21swapper/022:08:440
633299120cyclictest0-21swapper/021:54:490
633299120cyclictest0-21swapper/020:34:320
1699120watchdog/00-21swapper/021:40:230
991950110irq/54-eth0-tx-312-21ssh22:03:541
991950110irq/54-eth0-tx-0-21swapper/100:32:111
991950110irq/54-eth0-tx-0-21swapper/000:30:570
991850110irq/53-eth0-rx-901ksoftirqd/1123:40:143
991850110irq/53-eth0-rx-0-21swapper/020:05:300
991850110irq/53-eth0-rx-0-21swapper/019:14:550
991850110irq/53-eth0-rx-0-21swapper/000:11:290
991850110irq/53-eth0-rx-0-21swapper/000:05:230
761110ksoftirqd/90-21swapper/900:03:2811
691110ksoftirqd/825364-21ssh00:35:1710
637499119cyclictest0-21swapper/1121:40:143
6374991110cyclictest0-21swapper/1121:24:443
637299114cyclictest0-21swapper/920:05:0011
637299113cyclictest0-21swapper/920:36:1011
637299113cyclictest0-21swapper/919:40:0011
637299113cyclictest0-21swapper/919:24:0911
6372991110cyclictest0-21swapper/919:55:1411
637199118cyclictest0-21swapper/821:50:1510
637199113cyclictest0-21swapper/822:36:4710
637199113cyclictest0-21swapper/822:11:0210
637199113cyclictest0-21swapper/820:46:4710
637199113cyclictest0-21swapper/819:36:4610
637199113cyclictest0-21swapper/819:29:3110
637199113cyclictest0-21swapper/819:10:4610
637199112cyclictest0-21swapper/821:40:4710
637199112cyclictest0-21swapper/820:43:0110
636999119cyclictest3469-21python19:45:218
636999113cyclictest0-21swapper/621:23:528
636999113cyclictest0-21swapper/619:57:168
636999113cyclictest0-21swapper/600:15:018
636999110cyclictest0-21swapper/621:25:078
636699119cyclictest0-21swapper/522:00:227
6366991110cyclictest18917-21qemu-kvm20:08:417
636699110cyclictest0-21swapper/523:12:477
636099115cyclictest0-21swapper/419:40:006
636099113cyclictest0-21swapper/422:35:196
636099110cyclictest0-21swapper/423:08:166
635399115cyclictest0-21swapper/323:40:175
635399115cyclictest0-21swapper/319:48:335
635399113cyclictest0-21swapper/323:45:175
635399113cyclictest0-21swapper/321:00:155
635399113cyclictest0-21swapper/321:00:155
635399113cyclictest0-21swapper/320:50:165
635399113cyclictest0-21swapper/320:25:175
635399112cyclictest5396-21munin-node00:20:165
635399112cyclictest0-21swapper/322:48:215
635399112cyclictest0-21swapper/322:00:505
635399112cyclictest0-21swapper/321:38:345
635399111cyclictest29862-21ssh22:26:385
635399111cyclictest24575-21snmp_rack3slot920:15:135
635399111cyclictest0-21swapper/323:33:185
635399111cyclictest0-21swapper/322:51:135
635399111cyclictest0-21swapper/322:15:465
635399111cyclictest0-21swapper/300:11:515
635399110cyclictest5421-21ssh23:53:005
635399110cyclictest5421-21ssh23:53:005
634899119cyclictest2308-21snmpd22:14:024
634899113cyclictest30551-21munin-run21:10:004
634899113cyclictest0-21swapper/223:25:174
634899113cyclictest0-21swapper/223:25:174
633999119cyclictest0-21swapper/123:27:141
633999119cyclictest0-21swapper/123:27:141
633999110cyclictest0-21swapper/119:50:121
633299113cyclictest0-21swapper/022:40:160
633299113cyclictest0-21swapper/022:35:200
6332991110cyclictest0-21swapper/023:40:220
633299110cyclictest0-21swapper/023:51:140
633299110cyclictest0-21swapper/023:51:140
633299110cyclictest0-21swapper/023:25:070
633299110cyclictest0-21swapper/023:25:060
633299110cyclictest0-21swapper/023:00:070
633299110cyclictest0-21swapper/021:30:220
633299110cyclictest0-21swapper/021:20:230
633299110cyclictest0-21swapper/000:00:230
621110ksoftirqd/70-21swapper/700:03:289
551110ksoftirqd/60-21swapper/623:25:238
551110ksoftirqd/60-21swapper/623:25:238
551110ksoftirqd/60-21swapper/600:35:178
5499110migration/622100-21cpuspeed_turbos21:55:118
5499110migration/615396-21sh00:27:208
481110ksoftirqd/56084-21qemu-kvm19:45:147
411110ksoftirqd/40-21swapper/419:45:146
411110ksoftirqd/40-21swapper/400:35:176
411110ksoftirqd/40-21swapper/400:05:116
341110ksoftirqd/32242-40kipmi000:35:185
341110ksoftirqd/319784-21cstates00:05:115
341110ksoftirqd/30-21swapper/323:05:205
201110ksoftirqd/10-21swapper/100:03:281
1699110watchdog/00-21swapper/020:55:270
1699110watchdog/00-21swapper/020:55:260
1699110watchdog/00-21swapper/020:23:070
1699110watchdog/00-21swapper/000:22:000
991950100irq/54-eth0-tx-27495-21ssh00:36:559
991950100irq/54-eth0-tx-0-21swapper/900:07:0611
991950100irq/54-eth0-tx-0-21swapper/600:07:378
991950100irq/54-eth0-tx-0-21swapper/423:40:456
991950100irq/54-eth0-tx-0-21swapper/123:51:161
991950100irq/54-eth0-tx-0-21swapper/123:51:161
991950100irq/54-eth0-tx-0-21swapper/123:47:221
991950100irq/54-eth0-tx-0-21swapper/122:30:391
991950100irq/54-eth0-tx-0-21swapper/023:32:030
991850100irq/53-eth0-rx-6084-21qemu-kvm19:21:118
991850100irq/53-eth0-rx-0-21swapper/722:44:269
991850100irq/53-eth0-rx-0-21swapper/623:07:208
991850100irq/53-eth0-rx-0-21swapper/622:59:318
991850100irq/53-eth0-rx-0-21swapper/621:06:598
991850100irq/53-eth0-rx-0-21swapper/423:59:336
991850100irq/53-eth0-rx-0-21swapper/400:12:236
991850100irq/53-eth0-rx-0-21swapper/321:25:395
991850100irq/53-eth0-rx-0-21swapper/321:20:215
991850100irq/53-eth0-rx-0-21swapper/223:17:424
991850100irq/53-eth0-rx-0-21swapper/200:30:554
991850100irq/53-eth0-rx-0-21swapper/122:43:371
991850100irq/53-eth0-rx-0-21swapper/122:10:091
991850100irq/53-eth0-rx-0-21swapper/022:30:050
991850100irq/53-eth0-rx-0-21swapper/022:00:160
991850100irq/53-eth0-rx-0-21swapper/021:25:030
901100ksoftirqd/110-21swapper/1123:50:033
901100ksoftirqd/110-21swapper/1123:50:033
901100ksoftirqd/110-21swapper/1122:53:363
901100ksoftirqd/110-21swapper/1122:46:153
901100ksoftirqd/110-21swapper/1122:42:233
901100ksoftirqd/110-21swapper/1122:37:483
901100ksoftirqd/110-21swapper/1121:50:073
901100ksoftirqd/110-21swapper/1121:15:223
901100ksoftirqd/110-21swapper/1120:21:163
901100ksoftirqd/110-21swapper/1119:25:023
901100ksoftirqd/110-21swapper/1119:15:263
901100ksoftirqd/110-21swapper/1100:19:153
8999100migration/1130151-21unixbench_multi23:45:263
8999100migration/1126542-21cpuspeed_turbos22:25:123
8999100migration/1124101-21fschecks_time23:15:133
8999100migration/1123326-21diskmemload22:20:483
8999100migration/1122387-21sshd20:10:453
8799100watchdog/110-21swapper/1120:05:383
691100ksoftirqd/821725-21rm22:20:1510
691100ksoftirqd/80-21swapper/822:55:2110
691100ksoftirqd/80-21swapper/822:29:0310
691100ksoftirqd/80-21swapper/819:45:1410
691100ksoftirqd/80-21swapper/819:15:2610
691100ksoftirqd/80-21swapper/800:19:1410
691100ksoftirqd/80-21swapper/800:14:4110
6899100migration/89231-21taskset00:22:0610
6899100migration/814147-21needreboot20:00:2110
637499108cyclictest0-21swapper/1122:11:453
637499108cyclictest0-21swapper/1121:45:353
637499108cyclictest0-21swapper/1100:00:273
637499100cyclictest0-21swapper/1122:30:233
637499100cyclictest0-21swapper/1121:38:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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