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2025-11-30 - 19:45
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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 Sun Nov 30, 2025 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30663501140irq/52-eth0-rx-0-21swapper/107:09:201
30540210893sleep80-21swapper/807:06:0010
30093210894sleep30-21swapper/307:05:315
30657210793sleep20-21swapper/207:07:314
30569210290sleep50-21swapper/507:06:227
3066350970irq/52-eth0-rx-0-21swapper/407:05:146
3066350870irq/52-eth0-rx-0-21swapper/1107:05:243
3066450730irq/53-eth0-tx-0-21swapper/907:08:4311
2773226857sleep70-21swapper/707:05:119
3064826653sleep60-21swapper/607:07:228
3062526553sleep00-21swapper/007:07:040
3059126354sleep100-21swapper/1007:06:382
3104899340cyclictest0-21swapper/1108:10:263
30999993314cyclictest0-21swapper/010:10:030
30999993014cyclictest0-21swapper/010:09:470
3099999290cyclictest0-21swapper/008:10:320
3104399192cyclictest12250irq/42-ahci09:10:2211
3104399192cyclictest12250irq/42-ahci09:10:2211
3104899184cyclictest0-21swapper/1110:16:333
3104799181cyclictest12250irq/42-ahci10:43:022
3104799181cyclictest12250irq/42-ahci10:01:392
3104799181cyclictest12250irq/42-ahci08:08:282
3104799181cyclictest12250irq/42-ahci07:41:042
3104399181cyclictest0-21swapper/909:50:2111
31038991816cyclictest8070-21snmp_easybox.os10:15:2410
31038991816cyclictest31418-21munin-run11:35:0110
31038991816cyclictest31162-21perl08:35:1610
31038991816cyclictest28176-21snmp_rack3slot909:15:1710
31038991816cyclictest25362-21snmp_easybox.os09:10:2410
31038991816cyclictest25362-21snmp_easybox.os09:10:2310
31038991816cyclictest23472-21snmp_rack3slot908:25:1510
31038991816cyclictest21181-21iostat_ios09:05:1810
31038991816cyclictest18296-21snmp_rack3slot910:30:1710
31038991816cyclictest17795-21snmp_rack3slot909:45:1710
31038991816cyclictest10120-21snmp_rack3slot910:20:1410
31036991816cyclictest0-21swapper/609:55:018
31180ksoftirqd/00-21swapper/007:40:260
3104899170cyclictest18561-21chrt08:19:243
31047991716cyclictest15961-21python11:10:292
3104799170cyclictest97202sleep1011:46:462
3104799170cyclictest86652sleep1011:00:292
3104799170cyclictest81672sleep1009:30:302
3104799170cyclictest73672sleep1008:01:202
3104799170cyclictest71702sleep1008:45:262
3104799170cyclictest71702sleep1008:45:252
3104799170cyclictest69832sleep1007:17:142
3104799170cyclictest65142sleep1012:27:152
3104799170cyclictest4842chrt08:36:472
3104799170cyclictest42402sleep1008:41:492
3104799170cyclictest39482chrt07:59:442
3104799170cyclictest326592sleep1007:54:442
3104799170cyclictest316682sleep1012:18:132
3104799170cyclictest316682sleep1012:18:132
3104799170cyclictest315162chrt10:50:022
3104799170cyclictest312482sleep1011:32:452
3104799170cyclictest310332sleep1010:05:112
3104799170cyclictest3066350irq/52-eth0-rx-11:40:512
3104799170cyclictest3066350irq/52-eth0-rx-11:15:252
3104799170cyclictest3066350irq/52-eth0-rx-10:55:192
3104799170cyclictest3066350irq/52-eth0-rx-09:50:202
3104799170cyclictest3066350irq/52-eth0-rx-09:46:202
3104799170cyclictest3066350irq/52-eth0-rx-09:01:402
3104799170cyclictest3066350irq/52-eth0-rx-07:20:192
3104799170cyclictest297342sleep1009:15:402
3104799170cyclictest28012sleep1012:21:252
3104799170cyclictest279372sleep1012:11:592
3104799170cyclictest275262sleep1011:26:442
3104799170cyclictest261982sleep1009:12:052
3104799170cyclictest261982sleep1009:12:052
3104799170cyclictest258962sleep1007:45:052
3104799170cyclictest238122sleep1011:20:432
3104799170cyclictest235222sleep1010:37:372
3104799170cyclictest23242sleep1011:35:562
3104799170cyclictest207402sleep1012:03:002
3104799170cyclictest18972chrt07:11:142
3104799170cyclictest189622sleep1010:30:252
3104799170cyclictest183702sleep1008:16:462
3104799170cyclictest178092chrt07:30:522
3104799170cyclictest152362sleep1008:57:512
3104799170cyclictest144652sleep1009:40:202
3104799170cyclictest141612sleep1007:25:532
3104799170cyclictest133532sleep1011:51:462
3104799170cyclictest129512sleep1011:06:172
3104799170cyclictest12412sleep1009:24:542
3104799170cyclictest12250irq/42-ahci10:45:432
3104799170cyclictest12250irq/42-ahci10:28:202
3104799170cyclictest12250irq/42-ahci09:55:242
3104799170cyclictest12250irq/42-ahci09:08:542
3104799170cyclictest12250irq/42-ahci08:33:262
3104799170cyclictest12250irq/42-ahci08:25:022
3104799170cyclictest119782sleep1009:35:542
3104799170cyclictest117002sleep1008:54:152
3104799170cyclictest100682sleep1012:31:152
3104799170cyclictest100682sleep1012:31:142
3104399170cyclictest0-21swapper/909:46:4911
31038991716cyclictest6752-21snmp_easybox.os11:00:1310
31038991716cyclictest30655-21yum10:45:4010
31038991716cyclictest26354-21snmp_rack3slot907:45:1210
31038991715cyclictest8577-21diskstats07:20:1910
31038991715cyclictest6290-21memory08:00:2110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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