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2025-09-15 - 20:09
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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 Mon Sep 15, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33111502250197,18sleep00-21swapper/007:09:590
33109962234206,18sleep10-21swapper/107:08:061
33107652227198,19sleep30-21swapper/307:05:323
33108872223159,55sleep20-21swapper/207:06:402
3311389991150,2cyclictest3549766-21chrome11:45:010
35486182950,2sleep33548577-31munin-html11:40:293
3311391998059,20cyclictest3393908-21snmp_wanswitch.08:45:022
331139399640,64cyclictest3426568-21kworker/u8:3+efi_rts_wq09:46:323
331139199592,57cyclictest3441240-21kworker/u8:1+efi_rts_wq09:46:342
331139099588,50cyclictest3441240-21kworker/u8:1+efi_rts_wq09:46:331
3311390995641,3cyclictest3393898-21chrome08:45:021
3311391995539,3cyclictest3342077-21snmp_wlanswitch07:45:002
3311389995449,3cyclictest3419792-21latency_hist09:15:010
3311393995351,2cyclictest3548570-21kworker/u8:2+flush-179:012:00:053
3311393995351,2cyclictest3548570-21kworker/u8:2+flush-179:012:00:053
3311393995147,2cyclictest3497255-21/usr/share/muni10:45:023
3311389994932,14cyclictest3393838-13chrome08:45:020
3311393994845,2cyclictest3426568-21kworker/u8:3+flush-179:009:30:233
3311393994842,4cyclictest3523534-21latency_hist11:15:003
3311391994643,2cyclictest3540365-21kworker/u8:3+flush-179:011:45:032
3311393994541,3cyclictest3337106-21kworker/u8:1+flush-179:007:40:263
3311393994441,2cyclictest3315381-21kworker/u8:0+flush-179:007:25:053
3311393994439,3cyclictest3523780-21/usr/share/muni11:15:143
3311393994437,5cyclictest3592248-21/usr/share/muni12:35:043
3311391994439,4cyclictest3587327-21/usr/share/muni12:30:142
3311391994438,4cyclictest3402906-21/usr/share/muni08:55:022
3311389994428,4cyclictest3320361-21latency_hist07:20:010
3311391994332,1cyclictest3453841-21kworker/2:1+pm10:15:592
3311389994240,1cyclictest3100551-1kworker/0:1H+kblockd09:04:280
3311391994139,1cyclictest3496885-21kworker/2:1+pm11:00:182
3311390994139,1cyclictest2881152-1kworker/1:0H+kblockd10:15:521
3311393994036,3cyclictest3393650-21kworker/u8:3+flush-179:008:55:123
3311391994038,1cyclictest3351369-21kworker/2:2+pm08:30:022
3311391994038,1cyclictest3276515-21kworker/2:1+pm07:17:022
3311391994037,2cyclictest3402082-21kworker/2:1+pm09:00:582
3311390994026,13cyclictest1318-21snmpd12:35:031
3311393993937,1cyclictest3363042-21kworker/3:1+pm08:22:083
3311393993935,3cyclictest3518883-21kworker/u8:1+flush-179:011:25:123
3311391993938,1cyclictest3453841-21kworker/2:1+pm09:56:212
3311391993938,1cyclictest2893510-1kworker/2:2H+kblockd11:37:312
3311391993937,1cyclictest3574778-21kworker/2:1+pm12:25:512
3311391993937,1cyclictest3496885-21kworker/2:1+pm10:45:432
3311391993937,1cyclictest3479563-21kworker/2:2+pm10:40:452
3311391993937,1cyclictest3479563-21kworker/2:2+pm10:40:452
3311391993937,1cyclictest3453841-21kworker/2:1+pm10:20:452
3311391993936,2cyclictest3276515-21kworker/2:1+pm07:35:592
3311391993919,19cyclictest3445655-21ThreadPoolForeg09:45:002
3311391993919,19cyclictest3445655-21ThreadPoolForeg09:45:002
3311390993937,1cyclictest3385078-21kworker/1:3+pm08:40:251
331139099391,37cyclictest3450296-21/usr/sbin/munin09:50:011
3311391993836,1cyclictest3569992-21kworker/2:0+pm12:15:032
3311391993836,1cyclictest3569992-21kworker/2:0+pm12:10:422
3311391993836,1cyclictest3562282-21kworker/2:2+pm12:01:452
3311391993836,1cyclictest3562282-21kworker/2:2+pm12:01:442
3311391993836,1cyclictest3496885-21kworker/2:1+pm11:26:262
3311391993836,1cyclictest3496885-21kworker/2:1+pm11:10:002
3311391993836,1cyclictest3479563-21kworker/2:2+pm10:35:532
3311391993836,1cyclictest3453841-21kworker/2:1+pm10:10:492
3311391993836,1cyclictest3402082-21kworker/2:1+pm09:30:152
3311391993836,1cyclictest3402082-21kworker/2:1+pm09:10:482
3311391993836,1cyclictest3351369-21kworker/2:2+pm08:41:352
3311391993836,1cyclictest3351369-21kworker/2:2+pm08:00:132
3311391993836,1cyclictest3276515-21kworker/2:1+pm07:40:152
3311391993835,2cyclictest3453841-21kworker/2:1+pm10:05:172
3311390993832,4cyclictest3402899-21/usr/share/muni08:55:021
3311389993835,2cyclictest3100551-1kworker/0:1H+kblockd07:45:040
3311393993736,1cyclictest3394134-21kworker/3:2+pm10:05:243
3311393993734,2cyclictest3454256-21kworker/u8:1+events_unbound10:25:053
3311393993734,2cyclictest3144468-1kworker/3:1H+kblockd11:46:443
3311393993734,2cyclictest3144468-1kworker/3:1H+kblockd07:50:283
3311393993733,2cyclictest3144468-1kworker/3:1H+kblockd07:20:013
3311391993735,1cyclictest3496885-21kworker/2:1+pm11:16:002
3311391993735,1cyclictest3496885-21kworker/2:1+pm10:59:312
3311391993735,1cyclictest3496885-21kworker/2:1+pm10:51:022
3311391993735,1cyclictest3351369-21kworker/2:2+pm08:15:162
3311391993735,1cyclictest3276515-21kworker/2:1+pm07:50:142
3311391993734,2cyclictest3545002-21kworker/2:0+pm11:55:282
3311391993734,2cyclictest3453841-21kworker/2:1+pm10:01:102
3311391993721,15cyclictest3454256-21kworker/u8:1+flush-179:010:25:352
3311390993735,1cyclictest3311264-21kworker/1:0+pm07:13:481
3311390993734,2cyclictest2881152-1kworker/1:0H+kblockd12:10:091
3311390993733,2cyclictest2881152-1kworker/1:0H+kblockd08:25:031
3311390993731,5cyclictest3574459-21/usr/share/muni12:15:081
3311390993721,5cyclictest3342016-21chrome07:45:011
3311389993734,2cyclictest3100551-1kworker/0:1H+kblockd12:25:030
3311389993734,2cyclictest3100551-1kworker/0:1H+kblockd10:30:060
3311389993734,2cyclictest3100551-1kworker/0:1H+kblockd09:39:300
3311389993734,2cyclictest3100551-1kworker/0:1H+kblockd08:35:060
3311393993632,2cyclictest3144468-1kworker/3:1H+kblockd09:50:043
3311393993631,3cyclictest3144468-1kworker/3:1H+kblockd07:45:073
3311391993634,1cyclictest3545002-21kworker/2:0+pm11:40:112
3311391993634,1cyclictest3496885-21kworker/2:1+pm11:30:282
3311391993634,1cyclictest3402082-21kworker/2:1+pm09:25:502
3311391993634,1cyclictest3351369-21kworker/2:2+pm08:11:182
3311391993634,1cyclictest2893510-1kworker/2:2H+kblockd09:50:182
3311391993634,1cyclictest2893510-1kworker/2:2H+kblockd08:35:272
3311391993633,2cyclictest3574778-21kworker/2:1+pm12:20:042
3311391993633,2cyclictest3479563-21kworker/2:2+pm10:30:042
3311391993633,2cyclictest2893510-1kworker/2:2H+kblockd12:35:552
3311391993615,20cyclictest3414823-21munin-limits09:05:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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