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2025-12-07 - 22:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot2.osadl.org (updated Sun Dec 07, 2025 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23897852226197,19sleep10-21swapper/107:06:071
23899752225197,18sleep30-21swapper/307:08:023
23897892220190,19sleep00-21swapper/007:06:110
23897612218189,19sleep20-21swapper/207:05:522
2390273998975,12cyclictest2421242-13chrome07:45:000
2390285998810,11cyclictest2629662-26chrome11:45:013
2390278998715,53cyclictest2629582-21chrome11:45:021
2390273998415,11cyclictest2629638-21snmp_wanswitch.11:45:020
2390278996044,14cyclictest2421369-21chrome07:45:001
239028299575,11cyclictest2577380-21snmp_wanpowerct10:45:022
2390285995640,13cyclictest2421434-21snmp_ryswitch.c07:45:013
24652432520,2sleep02465240-21ntpq08:35:030
2390278994632,2cyclictest2146021-1kworker/1:0H+kblockd09:55:031
25710622450,2sleep30-21swapper/310:35:153
2390282994538,4cyclictest2564242-21latency_hist10:30:012
2390282994439,4cyclictest2596369-21kworker/u8:4+events_unbound11:45:022
2390282994439,4cyclictest2538915-21/usr/share/muni10:00:162
2390278994438,4cyclictest2594893-21/usr/share/muni11:05:141
2390278994431,2cyclictest2146021-1kworker/1:0H+kblockd11:10:031
2390285994339,3cyclictest2396640-21cat07:15:133
2390285994338,4cyclictest2672670-21/usr/share/muni12:35:043
2390282994336,5cyclictest2555851-21/usr/share/muni10:20:022
2390282994236,5cyclictest2395137-21ntpq07:15:042
239027899428,25cyclictest0-21swapper/107:15:121
2390285994137,3cyclictest2629279-21latency_hist11:45:013
2390282994136,3cyclictest2454729-21kworker/2:0+pm09:30:022
2390282994136,3cyclictest2385562-21kworker/u8:1+flush-179:007:10:052
2390278994137,3cyclictest2542873-21munin-update10:05:031
2390278994133,7cyclictest2502346-21kworker/u8:4+flush-179:009:20:061
239027399411,39cyclictest2676479-21unin-run12:40:000
2390285994039,1cyclictest1318-21snmpd10:25:153
2390282994038,1cyclictest2559728-21kworker/2:1+pm10:50:272
2390282994037,2cyclictest2559728-21kworker/2:1+pm12:02:262
2390282994037,2cyclictest2559728-21kworker/2:1+pm11:31:422
2390282994037,2cyclictest2559728-21kworker/2:1+pm11:21:452
2390282994037,2cyclictest2454729-21kworker/2:0+pm10:21:142
2390282994037,2cyclictest2454729-21kworker/2:0+pm09:12:072
2390282994037,2cyclictest2335755-21kworker/2:0+pm07:30:322
2390282994037,1cyclictest2559728-21kworker/2:1+pm11:06:342
2390282994036,3cyclictest2454729-21kworker/2:0+pm09:35:052
2390282994036,2cyclictest2454729-21kworker/2:0+pm09:20:072
2390282994028,11cyclictest2524118-21awk09:40:162
239028299401,3cyclictest2628938-31munin-html11:41:202
26563022390,0chrt2656300-21ntpq12:15:063
2390282993937,1cyclictest2645190-21kworker/2:0+pm12:32:082
2390282993937,1cyclictest2645190-21kworker/2:0+pm12:21:512
2390282993937,1cyclictest2454729-21kworker/2:0+pm08:25:292
2390282993937,1cyclictest2335755-21kworker/2:0+pm07:56:332
2390282993936,2cyclictest2454729-21kworker/2:0+pm09:55:022
2390282993936,2cyclictest2454729-21kworker/2:0+pm09:02:292
2390282993936,2cyclictest2454729-21kworker/2:0+pm08:31:372
2390282993936,2cyclictest2433838-21kworker/2:2+pm08:10:042
2390282993936,2cyclictest2433838-21kworker/2:2+pm08:10:032
2390282993936,2cyclictest2433838-21kworker/2:2+pm08:06:282
2390282993936,2cyclictest2335755-21kworker/2:0+pm07:36:492
2390282993936,2cyclictest2330615-1kworker/2:0H+kblockd10:07:492
2390282993934,3cyclictest2460596-21kworker/u8:3+flush-179:008:40:042
2390282993934,3cyclictest2330615-1kworker/2:0H+kblockd11:56:142
239028299390,2cyclictest2438045-31munin-html08:01:202
2390285993834,2cyclictest1800599-1kworker/3:1H+kblockd11:51:033
2390282993836,1cyclictest2454729-21kworker/2:0+pm10:11:032
2390282993836,1cyclictest2433838-21kworker/2:2+pm08:15:232
2390282993835,2cyclictest2559728-21kworker/2:1+pm11:35:172
2390282993835,2cyclictest2559728-21kworker/2:1+pm10:56:312
2390282993834,2cyclictest2335755-21kworker/2:0+pm07:45:022
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd10:31:392
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd09:50:002
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd09:45:142
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd09:45:142
2390278993833,4cyclictest2491206-21/usr/share/muni09:05:021
2390273993836,1cyclictest2464470-21kworker/0:2+pm10:00:250
2390273993835,2cyclictest2385562-21kworker/u8:1+events_unbound07:10:130
2390273993832,5cyclictest2551617-21/usr/share/muni10:15:030
2390285993735,1cyclictest2420835-21kworker/3:1+pm11:37:043
2390285993734,2cyclictest1800599-1kworker/3:1H+kblockd12:27:293
2390285993734,2cyclictest1800599-1kworker/3:1H+kblockd11:28:033
2390285993731,4cyclictest2508369-21/usr/share/muni09:25:023
2390285993729,5cyclictest2534574-21/usr/share/muni09:55:023
2390282993736,1cyclictest2454729-21kworker/2:0+pm09:25:312
2390282993735,1cyclictest2645190-21kworker/2:0+pm12:26:542
2390282993734,2cyclictest2559728-21kworker/2:1+pm11:01:332
2390282993733,3cyclictest2559728-21kworker/2:1+pm11:25:042
2390282993733,3cyclictest2385562-21kworker/u8:1+flush-179:008:50:132
2390282993732,3cyclictest2460596-21kworker/u8:3+flush-179:008:45:132
2390282993725,11cyclictest1318-21snmpd10:35:122
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd12:31:411
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd10:25:031
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd08:10:041
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd08:10:041
2390278993732,4cyclictest2587110-21ntpq10:55:081
2390273993724,12cyclictest2068554-1kworker/0:0H+kblockd10:50:180
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd10:30:003
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd10:21:423
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:35:563
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:10:173
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:10:173
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:05:153
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:02:553
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd11:15:563
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd10:45:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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