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2025-11-20 - 00:15
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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 Wed Nov 19, 2025 12:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19456210893sleep80-21swapper/807:07:5210
19368210894sleep90-21swapper/907:06:3911
30663501060irq/52-eth0-rx-0-21swapper/107:08:561
122501020irq/42-ahci0-21swapper/207:09:074
3066450950irq/53-eth0-tx-0-21swapper/307:05:255
3066350920irq/52-eth0-rx-0-21swapper/407:05:566
3066350900irq/52-eth0-rx-0-21swapper/1107:07:543
3066350880irq/52-eth0-rx-0-21swapper/507:06:227
3066350860irq/52-eth0-rx-0-21swapper/707:05:199
1938926653sleep00-21swapper/007:06:550
1930326553sleep60-21swapper/607:05:498
1649426253sleep100-21swapper/1007:05:042
19820993617cyclictest0-21swapper/1107:12:343
19820992827cyclictest29666-1kworker/11:0H09:09:563
14850190irq/18-uhci_hcd0-21swapper/411:25:266
19819991817cyclictest30892sleep1007:27:562
1981999181cyclictest12250irq/42-ahci09:47:282
1981999181cyclictest12250irq/42-ahci07:56:442
1981899181cyclictest0-21swapper/910:40:2511
1981899181cyclictest0-21swapper/909:10:3011
1980699180cyclictest0-21swapper/407:35:176
19819991716cyclictest27249-1kworker/10:0H08:08:392
19819991716cyclictest0-21swapper/1009:51:312
1981999170cyclictest93432sleep1012:01:142
1981999170cyclictest91142chrt11:18:192
1981999170cyclictest85822sleep1010:31:522
1981999170cyclictest75912chrt09:01:412
1981999170cyclictest70752sleep1008:15:482
1981999170cyclictest5912sleep1009:35:322
1981999170cyclictest45992sleep1009:44:102
1981999170cyclictest39292sleep1008:56:522
1981999170cyclictest35532sleep1008:12:222
1981999170cyclictest308762sleep1011:47:362
1981999170cyclictest3066350irq/52-eth0-rx-12:35:312
1981999170cyclictest3066350irq/52-eth0-rx-12:10:172
1981999170cyclictest3066350irq/52-eth0-rx-11:56:272
1981999170cyclictest3066350irq/52-eth0-rx-10:20:332
1981999170cyclictest3066350irq/52-eth0-rx-10:00:342
1981999170cyclictest3066350irq/52-eth0-rx-09:25:232
1981999170cyclictest3066350irq/52-eth0-rx-07:30:152
1981999170cyclictest304822sleep1011:02:062
1981999170cyclictest301102chrt10:18:142
1981999170cyclictest295602sleep1009:32:332
1981999170cyclictest276172sleep1012:27:292
1981999170cyclictest276172sleep1012:27:282
1981999170cyclictest234812sleep1011:35:592
1981999170cyclictest227312sleep1010:07:362
1981999170cyclictest226972sleep1008:40:142
1981999170cyclictest222052chrt09:21:322
1981999170cyclictest222052chrt09:21:312
1981999170cyclictest21922sleep1011:54:122
1981999170cyclictest196082sleep1012:15:272
1981999170cyclictest185532sleep1009:16:312
1981999170cyclictest185532sleep1009:16:312
1981999170cyclictest182552sleep1008:34:262
1981999170cyclictest177462sleep1007:49:212
1981999170cyclictest170242sleep1011:30:102
1981999170cyclictest16452sleep1011:06:442
1981999170cyclictest162022sleep1011:25:582
1981999170cyclictest154902sleep1009:58:352
1981999170cyclictest145422sleep1008:28:252
1981999170cyclictest126002sleep1011:21:222
1981999170cyclictest12250irq/42-ahci12:20:212
1981999170cyclictest12250irq/42-ahci11:40:012
1981999170cyclictest12250irq/42-ahci11:10:062
1981999170cyclictest12250irq/42-ahci10:55:002
1981999170cyclictest12250irq/42-ahci10:46:172
1981999170cyclictest12250irq/42-ahci10:25:002
1981999170cyclictest12250irq/42-ahci10:10:262
1981999170cyclictest12250irq/42-ahci09:10:042
1981999170cyclictest12250irq/42-ahci08:24:222
1981999170cyclictest12250irq/42-ahci08:01:572
1981999170cyclictest12250irq/42-ahci07:40:432
1981999170cyclictest12250irq/42-ahci07:10:262
19818991715cyclictest10193-21taskset07:35:3411
1981899170cyclictest0-21swapper/909:25:1411
1981899170cyclictest0-21swapper/909:00:1811
1980699179cyclictest18320-21sensors10:00:266
19806991715cyclictest29327-21sensors10:15:266
1982099160cyclictest0-21swapper/1108:26:003
19819991615cyclictest31971-21python08:50:282
19819991615cyclictest27249-1kworker/10:0H10:40:482
19818991615cyclictest0-21swapper/910:55:1611
19818991615cyclictest0-21swapper/909:08:1011
1981699167cyclictest0-21swapper/710:15:219
19807991615cyclictest13146-21cpuspeed_turbos10:40:137
19807991614cyclictest32313-21qemu-kvm08:08:387
19806991614cyclictest14665-21sensors09:55:266
1980599160cyclictest0-21swapper/310:00:235
1979299160cyclictest0-21swapper/111:55:191
1979299160cyclictest0-21swapper/110:25:211
19819991514cyclictest27249-1kworker/10:0H09:08:522
1981899155cyclictest0-21swapper/912:05:0111
19818991514cyclictest0-21swapper/907:20:1511
1981899150cyclictest0-21swapper/909:55:2511
1981699155cyclictest0-21swapper/710:35:019
1981699155cyclictest0-21swapper/708:40:019
1981699154cyclictest0-21swapper/712:05:019
19816991513cyclictest6877-21crond07:34:599
1981699151cyclictest22972-21munin-run10:10:019
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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