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2026-06-05 - 13:38
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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 Fri Jun 05, 2026 12:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501080irq/53-eth0-rx-0-21swapper/507:08:107
30549501080irq/53-eth0-rx-0-21swapper/507:08:107
3646210794sleep90-21swapper/907:07:5711
3646210794sleep90-21swapper/907:07:5711
122501040irq/42-ahci0-21swapper/107:08:551
122501040irq/42-ahci0-21swapper/107:08:541
122501000irq/42-ahci0-21swapper/707:09:089
122501000irq/42-ahci0-21swapper/707:09:079
3054950960irq/53-eth0-rx-0-21swapper/407:06:196
3054950960irq/53-eth0-rx-0-21swapper/407:06:196
12250960irq/42-ahci0-21swapper/307:08:245
12250960irq/42-ahci0-21swapper/307:08:235
3054950950irq/53-eth0-rx-0-21swapper/207:06:124
3054950950irq/53-eth0-rx-0-21swapper/207:06:114
222029186sleep80-21swapper/807:05:2110
222029186sleep80-21swapper/807:05:2010
3054950900irq/53-eth0-rx-0-21swapper/1007:06:252
3054950900irq/53-eth0-rx-0-21swapper/1007:06:252
346226653sleep110-21swapper/1107:05:363
346226653sleep110-21swapper/1107:05:353
366026353sleep60-21swapper/607:08:078
366026353sleep60-21swapper/607:08:068
362025955sleep00-21swapper/007:07:370
362025955sleep00-21swapper/007:07:360
4049993617cyclictest0-21swapper/1108:14:363
3997993617cyclictest0-21swapper/007:19:230
4049992928cyclictest0-21swapper/1108:21:573
403299230cyclictest0-21swapper/811:04:5510
404999220cyclictest0-21swapper/1109:14:013
399799226cyclictest0-21swapper/008:26:530
404999216cyclictest12-21rcu_preempt09:15:143
404999216cyclictest12-21rcu_preempt09:15:143
399799210cyclictest0-21swapper/009:13:500
4039992012cyclictest3055050irq/54-eth0-tx-10:19:2611
4039992012cyclictest3054950irq/53-eth0-rx-09:40:2811
4039992012cyclictest12943-21taskset08:03:5111
4039992012cyclictest0-21swapper/912:34:2211
4039992012cyclictest0-21swapper/911:56:4011
4039992012cyclictest0-21swapper/911:43:5511
4039992012cyclictest0-21swapper/911:03:0711
4039992012cyclictest0-21swapper/910:59:2311
4039992012cyclictest0-21swapper/910:13:1211
4039992012cyclictest0-21swapper/910:00:1211
4039992012cyclictest0-21swapper/910:00:1111
4039992012cyclictest0-21swapper/909:51:5911
4039992012cyclictest0-21swapper/909:28:0111
4039992012cyclictest0-21swapper/908:17:0111
404799192cyclictest3054950irq/53-eth0-rx-12:33:112
404799192cyclictest3054950irq/53-eth0-rx-11:23:242
404799192cyclictest3054950irq/53-eth0-rx-10:36:222
404799192cyclictest3054950irq/53-eth0-rx-10:18:142
404799192cyclictest3054950irq/53-eth0-rx-09:26:532
404799192cyclictest125582sleep1011:06:382
403999192cyclictest0-21swapper/911:15:3511
4039991913cyclictest0-21swapper/911:51:5811
4039991912cyclictest8064-21ssh09:45:1211
4039991912cyclictest3054950irq/53-eth0-rx-10:37:5211
4039991912cyclictest20194-21taskset08:12:4011
4039991912cyclictest10111-21kworker/9:111:25:0111
4039991912cyclictest0-21swapper/912:25:0111
4039991912cyclictest0-21swapper/912:17:3611
4039991912cyclictest0-21swapper/912:13:2911
4039991912cyclictest0-21swapper/912:00:2911
4039991912cyclictest0-21swapper/910:50:4911
4039991912cyclictest0-21swapper/910:47:0611
4039991912cyclictest0-21swapper/910:44:3511
4039991912cyclictest0-21swapper/910:07:3411
4039991912cyclictest0-21swapper/909:22:4911
4039991912cyclictest0-21swapper/909:10:5111
4039991912cyclictest0-21swapper/907:45:0111
4039991912cyclictest0-21swapper/907:20:1611
4039991911cyclictest0-21swapper/908:44:2111
4039991911cyclictest0-21swapper/907:53:3111
404999184cyclictest0-21swapper/1107:23:193
4047991817cyclictest26526-21kworker/10:211:18:552
4047991817cyclictest0-21swapper/1012:21:122
4047991817cyclictest0-21swapper/1009:40:522
4047991817cyclictest0-21swapper/1008:33:492
404799181cyclictest3055050irq/54-eth0-tx-11:35:292
404799181cyclictest3054950irq/53-eth0-rx-12:35:192
404799181cyclictest3054950irq/53-eth0-rx-12:17:252
404799181cyclictest3054950irq/53-eth0-rx-11:59:032
404799181cyclictest3054950irq/53-eth0-rx-11:49:322
404799181cyclictest3054950irq/53-eth0-rx-11:10:042
404799181cyclictest3054950irq/53-eth0-rx-11:03:052
404799181cyclictest3054950irq/53-eth0-rx-10:11:042
404799181cyclictest3054950irq/53-eth0-rx-10:02:002
404799181cyclictest3054950irq/53-eth0-rx-10:01:592
404799181cyclictest3054950irq/53-eth0-rx-09:54:462
404799181cyclictest3054950irq/53-eth0-rx-09:32:102
404799181cyclictest3054950irq/53-eth0-rx-09:24:542
404799181cyclictest12250irq/42-ahci09:59:502
404799180cyclictest3054950irq/53-eth0-rx-09:14:282
403999189cyclictest30462-21ssh11:20:3611
403999185cyclictest0-21swapper/910:30:0111
403999183cyclictest0-21swapper/907:58:2211
4039991812cyclictest0-21swapper/912:06:4611
4039991812cyclictest0-21swapper/911:07:4511
4039991812cyclictest0-21swapper/910:27:3011
4039991812cyclictest0-21swapper/910:20:1311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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