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2026-04-20 - 10:16
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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 20, 2026 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9918501090irq/53-eth0-rx-0-21swapper/219:09:014
18596210793sleep80-21swapper/819:05:3310
9918501060irq/53-eth0-rx-0-21swapper/119:08:461
991850950irq/53-eth0-rx-0-21swapper/519:05:257
12850920irq/42-ahci0-21swapper/319:08:465
991850910irq/53-eth0-rx-0-21swapper/719:08:109
991850850irq/53-eth0-rx-0-21swapper/1119:06:013
991850790irq/53-eth0-rx-0-21swapper/1019:06:462
1894827371sleep40-21swapper/419:09:306
172450710irq/56-eth1-rx-0-21swapper/919:09:1711
1877826253sleep60-21swapper/619:07:568
1651125955sleep00-21swapper/019:05:130
19125993528cyclictest991850irq/53-eth0-rx-20:11:086
1909899330cyclictest0-21swapper/020:11:160
1909899330cyclictest0-21swapper/019:28:520
1909899330cyclictest0-21swapper/019:28:510
19132993129cyclictest123922sleep1122:29:233
19132993129cyclictest123922sleep1122:29:233
1913299310cyclictest0-21swapper/1121:23:203
19112993029cyclictest12850irq/42-ahci20:11:081
19128992827cyclictest12850irq/42-ahci20:11:079
19126992423cyclictest31708-21qemu-kvm20:11:217
19131992316cyclictest0-21swapper/1023:36:492
19131992315cyclictest0-21swapper/1023:03:302
19129992322cyclictest991850irq/53-eth0-rx-20:11:1510
19131992215cyclictest991850irq/53-eth0-rx-20:11:062
19131992215cyclictest8839-21ssh00:35:572
19131992214cyclictest16594-21diskmemload23:50:182
19131992214cyclictest0-21swapper/1023:33:002
19131992214cyclictest0-21swapper/1019:12:092
19131992116cyclictest0-21swapper/1023:57:332
19131992116cyclictest0-21swapper/1021:47:482
19131992116cyclictest0-21swapper/1020:47:462
19131992115cyclictest32465-21kworker/10:122:41:322
19131992115cyclictest32465-21kworker/10:122:41:322
19131992115cyclictest19611-1kworker/10:2H21:00:192
19131992115cyclictest0-21swapper/1021:54:052
19131992114cyclictest32465-21kworker/10:122:58:052
19131992114cyclictest20548-21ssh21:42:462
19131992114cyclictest0-21swapper/1021:35:172
1913299200cyclictest0-21swapper/1120:15:563
19131992014cyclictest31561-21munin-node20:06:492
19131992013cyclictest0-21swapper/1023:47:192
1913199192cyclictest991850irq/53-eth0-rx-23:21:332
1913199192cyclictest991850irq/53-eth0-rx-23:15:482
1913199192cyclictest991850irq/53-eth0-rx-22:46:512
1913199192cyclictest991850irq/53-eth0-rx-22:37:252
1913199192cyclictest991850irq/53-eth0-rx-22:11:292
1913199192cyclictest991850irq/53-eth0-rx-21:57:212
1913199192cyclictest991850irq/53-eth0-rx-21:21:002
1913199192cyclictest991850irq/53-eth0-rx-00:31:452
1913099192cyclictest0-21swapper/922:21:3111
1913099192cyclictest0-21swapper/900:07:0311
19131991817cyclictest0-21swapper/1000:06:392
19131991813cyclictest0-21swapper/1023:40:492
1913199181cyclictest991950irq/54-eth0-tx-00:24:192
1913199181cyclictest991850irq/53-eth0-rx-22:33:012
1913199181cyclictest991850irq/53-eth0-rx-22:25:052
1913199181cyclictest991850irq/53-eth0-rx-22:25:042
1913199181cyclictest991850irq/53-eth0-rx-22:06:072
1913199181cyclictest991850irq/53-eth0-rx-22:06:072
1913199181cyclictest991850irq/53-eth0-rx-22:02:542
1913199181cyclictest991850irq/53-eth0-rx-21:25:552
1913199181cyclictest991850irq/53-eth0-rx-21:17:272
1913199181cyclictest991850irq/53-eth0-rx-21:12:442
1913199181cyclictest991850irq/53-eth0-rx-00:17:312
1913199181cyclictest991850irq/53-eth0-rx-00:04:192
1913199181cyclictest201532sleep1020:35:212
1913199181cyclictest12850irq/42-ahci22:21:422
1913199181cyclictest12850irq/42-ahci19:38:472
1913199181cyclictest12850irq/42-ahci00:10:542
1913099181cyclictest991850irq/53-eth0-rx-21:30:5811
1913099181cyclictest0-21swapper/922:56:0411
1913099181cyclictest0-21swapper/922:46:3811
1913099181cyclictest0-21swapper/922:26:0811
1913099181cyclictest0-21swapper/922:26:0811
1913099181cyclictest0-21swapper/921:23:4911
1913099181cyclictest0-21swapper/921:20:0111
1913099181cyclictest0-21swapper/900:25:1711
1913099181cyclictest0-21swapper/900:23:5411
1913099181cyclictest0-21swapper/900:16:3011
19127991816cyclictest31714-21qemu-kvm20:27:008
19127991816cyclictest31714-21qemu-kvm20:15:148
19127991816cyclictest31713-21qemu-kvm20:10:138
14050180irq/18-ehci_hcd0-21swapper/023:05:210
19132991716cyclictest991850irq/53-eth0-rx-19:14:003
1913199170cyclictest991850irq/53-eth0-rx-23:25:082
1913199170cyclictest991850irq/53-eth0-rx-23:10:342
1913199170cyclictest991850irq/53-eth0-rx-23:05:152
1913199170cyclictest991850irq/53-eth0-rx-22:50:422
1913199170cyclictest991850irq/53-eth0-rx-22:16:022
1913199170cyclictest991850irq/53-eth0-rx-21:30:032
1913199170cyclictest991850irq/53-eth0-rx-20:44:432
1913199170cyclictest991850irq/53-eth0-rx-20:31:012
1913199170cyclictest991850irq/53-eth0-rx-19:56:102
1913199170cyclictest991850irq/53-eth0-rx-19:41:322
1913199170cyclictest991850irq/53-eth0-rx-19:41:322
1913199170cyclictest991850irq/53-eth0-rx-19:25:052
1913199170cyclictest991850irq/53-eth0-rx-19:25:052
1913199170cyclictest991850irq/53-eth0-rx-19:20:092
1913199170cyclictest991850irq/53-eth0-rx-00:25:002
1913199170cyclictest64502sleep1020:15:302
1913199170cyclictest34152sleep1020:57:112
1913199170cyclictest273632sleep1019:16:112
1913199170cyclictest190542sleep1019:50:152
1913199170cyclictest154382sleep1019:45:152
1913199170cyclictest12850irq/42-ahci20:51:192
1913199170cyclictest12850irq/42-ahci20:22:242
1913199170cyclictest12850irq/42-ahci20:00:082
1913199170cyclictest12850irq/42-ahci19:30:172
1913199170cyclictest12850irq/42-ahci19:30:172
1913199170cyclictest125802sleep1020:25:202
1913199170cyclictest106642sleep1021:06:132
19130991715cyclictest3488-21chrt20:58:1011
1913099170cyclictest2871-21cat19:30:0111
1913099170cyclictest0-21swapper/923:35:1211
1913099170cyclictest0-21swapper/923:21:3611
1913099170cyclictest0-21swapper/923:10:5011
1913099170cyclictest0-21swapper/923:05:2611
1913099170cyclictest0-21swapper/923:00:0211
1913099170cyclictest0-21swapper/922:07:1211
1913099170cyclictest0-21swapper/922:07:1211
1913099170cyclictest0-21swapper/921:52:0111
1913099170cyclictest0-21swapper/920:30:1211
1913099170cyclictest0-21swapper/920:10:1211
19127991716cyclictest31714-21qemu-kvm20:45:148
19127991716cyclictest31714-21qemu-kvm20:08:448
19127991716cyclictest31713-21qemu-kvm20:32:008
19127991715cyclictest6355-21python21:00:258
19127991715cyclictest31714-21qemu-kvm20:21:588
19117991715cyclictest2308-21snmpd23:12:064
19117991715cyclictest2308-21snmpd19:38:354
1909899170cyclictest0-21swapper/019:23:550
14050170irq/18-ehci_hcd0-21swapper/023:10:220
1913299160cyclictest0-21swapper/1120:10:023
1913299160cyclictest0-21swapper/1120:09:453
19130991615cyclictest761ksoftirqd/923:50:1511
19130991615cyclictest741rcuc/922:11:4311
19130991615cyclictest24815-21chrt20:41:5611
19130991615cyclictest10139-21sh22:53:0611
19130991615cyclictest0-21swapper/923:25:0611
19130991615cyclictest0-21swapper/923:18:3411
19130991615cyclictest0-21swapper/922:40:2011
19130991615cyclictest0-21swapper/922:40:2011
19130991615cyclictest0-21swapper/922:15:1811
19130991615cyclictest0-21swapper/922:00:2111
19130991615cyclictest0-21swapper/921:29:3711
19130991615cyclictest0-21swapper/920:36:0711
19130991615cyclictest0-21swapper/900:35:0711
19128991614cyclictest0-21swapper/721:50:019
19127991615cyclictest31714-21qemu-kvm20:35:158
19127991615cyclictest12448-21python21:35:258
1912399160cyclictest0-21swapper/323:21:125
19117991614cyclictest2308-21snmpd22:07:364
19117991614cyclictest2308-21snmpd22:07:364
19117991614cyclictest2308-21snmpd20:03:054
1911799161cyclictest0-21swapper/223:06:024
1911799161cyclictest0-21swapper/221:29:084
1909899161cyclictest0-21swapper/023:23:220
19132991514cyclictest991850irq/53-eth0-rx-19:17:103
19130991514cyclictest761ksoftirqd/921:10:2611
19130991514cyclictest761ksoftirqd/900:10:2711
19130991514cyclictest0-21swapper/923:59:1811
19130991514cyclictest0-21swapper/921:56:1811
19130991514cyclictest0-21swapper/920:00:1811
19130991514cyclictest0-21swapper/919:55:1811
19130991514cyclictest0-21swapper/919:40:2711
19130991514cyclictest0-21swapper/919:40:2711
19130991514cyclictest0-21swapper/900:30:1511
1912899154cyclictest0-21swapper/721:34:599
19127991514cyclictest31713-21qemu-kvm20:40:148
19126991514cyclictest13150-21ssh21:35:397
19126991514cyclictest10866-21qemu-kvm21:09:007
19126991512cyclictest31714-21qemu-kvm20:30:417
1912699150cyclictest0-21swapper/523:21:027
1912699150cyclictest0-21swapper/523:02:267
19117991513cyclictest2308-21snmpd22:31:354
19117991513cyclictest2308-21snmpd21:57:194
19117991513cyclictest2308-21snmpd00:26:074
1911799151cyclictest0-21swapper/223:49:344
1911299150cyclictest0-21swapper/123:37:291
1911299150cyclictest0-21swapper/123:20:301
19098991513cyclictest0-21swapper/022:47:380
14050150irq/18-ehci_hcd0-21swapper/019:15:010
19130991413cyclictest761ksoftirqd/921:00:1611
19130991413cyclictest0-21swapper/923:42:5911
19130991413cyclictest0-21swapper/923:32:0111
19130991413cyclictest0-21swapper/922:36:3011
19130991413cyclictest0-21swapper/921:44:1311
19130991413cyclictest0-21swapper/921:08:5411
19130991413cyclictest0-21swapper/919:10:1911
1912899144cyclictest0-21swapper/723:25:019
1912899144cyclictest0-21swapper/722:20:019
1912799145cyclictest0-21swapper/623:10:178
1912799144cyclictest0-21swapper/622:55:018
19127991413cyclictest10865-21qemu-kvm21:08:178
19126991413cyclictest12484-21ssh23:46:527
1912399140cyclictest0-21swapper/323:36:195
19117991412cyclictest2308-21snmpd19:41:354
19117991412cyclictest2308-21snmpd19:41:354
1911799140cyclictest0-21swapper/223:20:264
1911799140cyclictest0-21swapper/222:54:544
1911799140cyclictest0-21swapper/220:50:274
1911299144cyclictest0-21swapper/120:30:001
19098991413cyclictest991850irq/53-eth0-rx-21:10:250
19098991413cyclictest991850irq/53-eth0-rx-20:27:350
15050140irq/18-uhci_hcd0-21swapper/021:25:240
991950130irq/54-eth0-tx-0-21swapper/022:14:480
991850130irq/53-eth0-rx-0-21swapper/023:51:560
4599130watchdog/531714-21qemu-kvm20:15:027
31130ksoftirqd/00-21swapper/000:21:120
1913299134cyclictest0-21swapper/1100:20:013
1913299133cyclictest0-21swapper/1122:43:513
1913299133cyclictest0-21swapper/1122:43:513
19132991312cyclictest991850irq/53-eth0-rx-22:17:163
1913299130cyclictest0-21swapper/1121:19:563
19130991312cyclictest761ksoftirqd/919:25:2811
19130991312cyclictest27331-21chrt19:15:4511
19130991312cyclictest0-21swapper/921:45:1311
19130991312cyclictest0-21swapper/920:49:2211
19130991312cyclictest0-21swapper/920:20:1611
19130991312cyclictest0-21swapper/920:19:5811
19130991312cyclictest0-21swapper/919:53:1711
1912899134cyclictest0-21swapper/719:55:029
1912899133cyclictest0-21swapper/723:15:009
1912899133cyclictest0-21swapper/720:33:069
1912799133cyclictest0-21swapper/623:15:018
1912699130cyclictest0-21swapper/523:37:277
1912399133cyclictest0-21swapper/320:40:165
1912399133cyclictest0-21swapper/320:00:175
1911799130cyclictest0-21swapper/223:37:124
15050130irq/18-uhci_hcd0-21swapper/022:25:120
15050130irq/18-uhci_hcd0-21swapper/022:25:120
991950120irq/54-eth0-tx-0-21swapper/023:18:270
991850120irq/53-eth0-rx-0-21swapper/021:21:190
411120ksoftirqd/40-21swapper/422:08:296
411120ksoftirqd/40-21swapper/422:08:296
31120ksoftirqd/00-21swapper/019:44:370
31120ksoftirqd/00-21swapper/019:44:370
1913299123cyclictest0-21swapper/1100:30:013
1913299123cyclictest0-21swapper/1100:05:013
1913299123cyclictest0-21swapper/1100:00:013
1913299122cyclictest0-21swapper/1122:51:213
19132991210cyclictest949-21chrt21:26:023
19130991211cyclictest761ksoftirqd/919:30:1811
19130991211cyclictest761ksoftirqd/919:30:1711
19130991211cyclictest32247-21taskset20:53:4611
19130991211cyclictest0-21swapper/922:30:2211
19130991211cyclictest0-21swapper/920:05:1611
19130991211cyclictest0-21swapper/900:01:1711
1912999123cyclictest0-21swapper/819:54:3510
1912899124cyclictest0-21swapper/721:59:599
1912899123cyclictest0-21swapper/722:39:069
1912899123cyclictest0-21swapper/721:45:019
1912899123cyclictest0-21swapper/721:04:599
1912899123cyclictest0-21swapper/720:40:009
1912799123cyclictest0-21swapper/622:50:018
1912799123cyclictest0-21swapper/619:30:018
1912799123cyclictest0-21swapper/619:30:018
1912799122cyclictest0-21swapper/623:09:368
1912799120cyclictest31272-21sadc00:30:008
1912699122cyclictest0-21swapper/500:09:017
19126991211cyclictest15887-21ssh22:57:217
1912599120cyclictest0-21swapper/423:37:266
1912599120cyclictest0-21swapper/423:06:196
1912599120cyclictest0-21swapper/421:25:286
1912599120cyclictest0-21swapper/421:19:336
1912399122cyclictest0-21swapper/320:25:175
1912399121cyclictest11017-21diskmemload21:55:195
1911799123cyclictest0-21swapper/219:20:164
1911299122cyclictest0-21swapper/100:15:161
19098991211cyclictest6802-21turbostat20:20:010
1909899120cyclictest0-21swapper/022:40:160
1909899120cyclictest0-21swapper/022:40:160
1909899120cyclictest0-21swapper/021:19:310
1699120watchdog/00-21swapper/021:44:150
991950110irq/54-eth0-tx-0-21swapper/023:43:490
991850110irq/53-eth0-rx-0-21swapper/023:37:400
901110ksoftirqd/110-21swapper/1100:39:233
691110ksoftirqd/820292-21expr19:10:1210
691110ksoftirqd/80-21swapper/822:34:4310
621110ksoftirqd/70-21swapper/723:50:319
621110ksoftirqd/70-21swapper/722:08:299
621110ksoftirqd/70-21swapper/722:08:299
551110ksoftirqd/619387-21qemu-kvm22:08:298
551110ksoftirqd/619387-21qemu-kvm22:08:288
551110ksoftirqd/60-21swapper/622:34:438
551110ksoftirqd/60-21swapper/600:05:268
5499110migration/6896-21taskset21:53:368
5499110migration/619940-21cpuspeed_turbos00:20:138
5499110migration/61824-21diskmemload21:27:328
481110ksoftirqd/50-21swapper/523:50:317
341110ksoftirqd/311017-21diskmemload22:34:435
341110ksoftirqd/30-21swapper/323:09:515
31110ksoftirqd/00-21swapper/022:50:220
31110ksoftirqd/00-21swapper/022:08:290
31110ksoftirqd/00-21swapper/022:08:290
31110ksoftirqd/00-21swapper/020:00:220
31110ksoftirqd/00-21swapper/000:15:220
31110ksoftirqd/00-21swapper/000:05:260
271110ksoftirqd/20-21swapper/221:43:004
271110ksoftirqd/20-21swapper/219:10:114
271110ksoftirqd/20-21swapper/200:05:254
201110ksoftirqd/10-21swapper/122:08:291
201110ksoftirqd/10-21swapper/122:08:281
1913299113cyclictest0-21swapper/1123:25:213
1913299113cyclictest0-21swapper/1122:35:063
1913299113cyclictest0-21swapper/1121:47:373
1913299113cyclictest0-21swapper/1121:43:353
1913299113cyclictest0-21swapper/1119:55:013
1913299113cyclictest0-21swapper/1119:42:353
1913299113cyclictest0-21swapper/1119:42:343
1913299113cyclictest0-21swapper/1100:18:383
1913299112cyclictest0-21swapper/1123:45:183
1913299112cyclictest0-21swapper/1119:29:053
1913299112cyclictest0-21swapper/1119:29:043
1913299112cyclictest0-21swapper/1100:10:363
1913299111cyclictest0-21swapper/1122:45:363
1913099113cyclictest0-21swapper/923:45:0011
1913099113cyclictest0-21swapper/919:45:0111
19130991110cyclictest8964-21snmp_easybox.os19:35:2411
19130991110cyclictest761ksoftirqd/921:35:1411
19130991110cyclictest0-21swapper/920:25:1511
1912999115cyclictest12850irq/42-ahci21:30:0010
1912999114cyclictest0-21swapper/823:57:0710
1912999113cyclictest0-21swapper/823:49:3610
1912999113cyclictest0-21swapper/823:05:5110
1912999113cyclictest0-21swapper/822:54:0610
1912999113cyclictest0-21swapper/822:40:3610
1912999113cyclictest0-21swapper/822:40:3610
1912999113cyclictest0-21swapper/822:23:1710
1912999113cyclictest0-21swapper/822:03:3510
1912999113cyclictest0-21swapper/820:29:0110
1912999113cyclictest0-21swapper/820:00:3410
1912999113cyclictest0-21swapper/819:55:5010
1912999112cyclictest0-21swapper/819:25:0210
1912999112cyclictest0-21swapper/819:25:0110
1912999112cyclictest0-21swapper/800:23:0710
1912999112cyclictest0-21swapper/800:10:0010
1912999111cyclictest0-21swapper/823:27:2710
1912999111cyclictest0-21swapper/821:35:2010
1912999111cyclictest0-21swapper/821:32:3510
1912899114cyclictest0-21swapper/722:25:019
1912899114cyclictest0-21swapper/722:25:019
1912899113cyclictest0-21swapper/723:57:529
1912899112cyclictest0-21swapper/722:15:019
1912899112cyclictest0-21swapper/719:45:169
1912899111cyclictest0-21swapper/719:10:019
1912799113cyclictest18847-21qemu-kvm19:45:128
1912799113cyclictest0-21swapper/623:55:528
1912799113cyclictest0-21swapper/623:48:068
1912799113cyclictest0-21swapper/623:37:368
1912799113cyclictest0-21swapper/621:55:078
1912799113cyclictest0-21swapper/621:13:388
1912799113cyclictest0-21swapper/619:15:018
1912799113cyclictest0-21swapper/600:36:368
1912799113cyclictest0-21swapper/600:19:068
19126991110cyclictest11192-21ssh22:54:557
19126991110cyclictest10713-21ssh00:39:127
1912699110cyclictest0-21swapper/500:20:157
1912599113cyclictest0-21swapper/422:30:006
1912599113cyclictest0-21swapper/422:30:006
1912599110cyclictest0-21swapper/423:25:126
1912399117cyclictest0-21swapper/319:51:535
1912399113cyclictest0-21swapper/323:10:165
1912399113cyclictest0-21swapper/322:55:165
1912399113cyclictest0-21swapper/322:08:125
1912399113cyclictest0-21swapper/322:08:115
1911799113cyclictest0-21swapper/221:50:174
1911799113cyclictest0-21swapper/221:30:174
1911799113cyclictest0-21swapper/221:20:184
1911799113cyclictest0-21swapper/220:30:174
1911799113cyclictest0-21swapper/200:40:004
1911299113cyclictest0-21swapper/123:50:001
1911299113cyclictest0-21swapper/123:10:001
1911299113cyclictest0-21swapper/121:10:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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