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2025-11-29 - 15:40
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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 100 highest latencies:
System rack3slot3.osadl.org (updated Sat Nov 29, 2025 12:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501130irq/42-ahci0-21swapper/307:05:145
670211293sleep00-21swapper/007:06:160
628211096sleep100-21swapper/1007:05:492
122501010irq/42-ahci0-21swapper/207:09:334
12250940irq/42-ahci0-21swapper/407:09:046
12250930irq/42-ahci0-21swapper/107:06:581
3066350890irq/52-eth0-rx-0-21swapper/507:05:297
12250890irq/42-ahci0-21swapper/907:08:4711
3066350880irq/52-eth0-rx-0-21swapper/707:06:159
93528781sleep80-21swapper/807:09:0010
3066350870irq/52-eth0-rx-0-21swapper/1107:05:313
111899600cyclictest0-21swapper/007:20:340
80125955sleep60-21swapper/607:07:588
1160993617cyclictest0-21swapper/1109:20:383
116099310cyclictest0-21swapper/1108:16:323
116099310cyclictest0-21swapper/1108:16:323
111899310cyclictest0-21swapper/009:28:000
1118993014cyclictest0-21swapper/010:18:500
12250280irq/42-ahci0-21swapper/907:20:3511
12250280irq/42-ahci0-21swapper/807:20:3910
12250280irq/42-ahci0-21swapper/407:20:406
12250280irq/42-ahci0-21swapper/307:20:415
12250280irq/42-ahci0-21swapper/1107:20:413
1160992827cyclictest8653-1kworker/11:3H10:11:553
1160992827cyclictest0-21swapper/1107:13:463
1160992726cyclictest0-21swapper/1108:24:563
1160992726cyclictest0-21swapper/1108:24:563
1118992713cyclictest0-21swapper/007:10:280
116099240cyclictest0-21swapper/1107:25:203
1118992414cyclictest0-21swapper/008:10:290
111899240cyclictest0-21swapper/007:27:050
116099237cyclictest5191-21chrt10:10:013
116099237cyclictest11178-21taskset10:15:243
111899230cyclictest0-21swapper/007:16:300
116099220cyclictest0-21swapper/1107:17:573
116099210cyclictest0-21swapper/1107:30:193
1160992019cyclictest0-21swapper/1108:10:373
115999192cyclictest12250irq/42-ahci12:20:012
115799190cyclictest0-21swapper/810:39:5510
1159991817cyclictest24644-1kworker/10:2H11:27:382
1159991817cyclictest13228-1kworker/10:1H07:47:432
1159991817cyclictest0-21swapper/1009:26:372
1159991817cyclictest0-21swapper/1008:37:112
1159991817cyclictest0-21swapper/1008:07:252
1159991817cyclictest0-21swapper/1007:39:552
115999181cyclictest3066350irq/52-eth0-rx-11:45:202
115999181cyclictest12250irq/42-ahci12:35:262
115999181cyclictest12250irq/42-ahci12:31:002
115999181cyclictest12250irq/42-ahci12:20:432
115999181cyclictest12250irq/42-ahci12:06:092
115999181cyclictest12250irq/42-ahci12:00:312
115999181cyclictest12250irq/42-ahci11:51:142
115999181cyclictest12250irq/42-ahci11:35:422
115999181cyclictest12250irq/42-ahci11:30:562
115999181cyclictest12250irq/42-ahci11:21:282
115999181cyclictest12250irq/42-ahci11:21:272
115999181cyclictest12250irq/42-ahci11:15:552
115999181cyclictest12250irq/42-ahci11:10:352
115999181cyclictest12250irq/42-ahci11:07:022
115999181cyclictest12250irq/42-ahci11:00:032
115999181cyclictest12250irq/42-ahci10:56:512
115999181cyclictest12250irq/42-ahci10:51:082
115999181cyclictest12250irq/42-ahci10:45:532
115999181cyclictest12250irq/42-ahci10:37:012
115999181cyclictest12250irq/42-ahci10:31:402
115999181cyclictest12250irq/42-ahci10:25:212
115999181cyclictest12250irq/42-ahci10:20:462
115999181cyclictest12250irq/42-ahci10:15:032
115999181cyclictest12250irq/42-ahci10:05:242
115999181cyclictest12250irq/42-ahci10:00:082
115999181cyclictest12250irq/42-ahci09:56:042
115999181cyclictest12250irq/42-ahci09:40:122
115999181cyclictest12250irq/42-ahci09:35:452
115999181cyclictest12250irq/42-ahci09:30:532
115999181cyclictest12250irq/42-ahci09:21:232
115999181cyclictest12250irq/42-ahci09:17:532
115999181cyclictest12250irq/42-ahci09:10:182
115999181cyclictest12250irq/42-ahci09:09:002
115999181cyclictest12250irq/42-ahci09:03:122
115999181cyclictest12250irq/42-ahci08:55:442
115999181cyclictest12250irq/42-ahci08:52:592
115999181cyclictest12250irq/42-ahci08:46:002
115999181cyclictest12250irq/42-ahci08:40:452
115999181cyclictest12250irq/42-ahci08:31:582
115999181cyclictest12250irq/42-ahci08:22:232
115999181cyclictest12250irq/42-ahci08:22:222
115999181cyclictest12250irq/42-ahci08:15:442
115999181cyclictest12250irq/42-ahci08:15:442
115999181cyclictest12250irq/42-ahci08:12:482
115999181cyclictest12250irq/42-ahci08:00:442
115999181cyclictest12250irq/42-ahci07:50:312
115999181cyclictest12250irq/42-ahci07:40:292
115999181cyclictest12250irq/42-ahci07:30:342
115999181cyclictest12250irq/42-ahci07:17:492
115999181cyclictest12250irq/42-ahci07:10:092
1158991816cyclictest26589-21iostat_ios07:40:2111
115899181cyclictest761ksoftirqd/912:02:4711
115899181cyclictest761ksoftirqd/911:55:1011
115899181cyclictest761ksoftirqd/911:25:3211
115899181cyclictest761ksoftirqd/910:25:0011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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