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2025-08-27 - 14:44
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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 Tue Aug 26, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34735272229175,19sleep00-21swapper/007:06:210
34736332223170,18sleep30-21swapper/307:07:443
34735702221194,18sleep20-21swapper/207:06:562
34735282218189,19sleep10-21swapper/107:06:221
367215321410,1sleep23672151-21ntpq10:55:222
347394799665,60cyclictest3512517-21kworker/u8:1+efi_rts_wq08:03:330
3473947996258,3cyclictest3552053-21latency_hist08:40:000
3473957995952,5cyclictest3612280-21latency_hist09:50:013
3473950995554,1cyclictest3523440-21awk08:05:081
3473955995451,2cyclictest3659852-21kworker/2:1+pm11:40:152
3473947995347,3cyclictest3504750-21/usr/share/muni07:45:020
347395799527,44cyclictest3512517-21kworker/u8:1+efi_rts_wq08:03:343
3473957995046,3cyclictest3646581-21kworker/u8:1+flush-179:010:40:143
3473957994743,3cyclictest3521315-21kworker/u8:4+events_unbound08:55:133
3473955994619,27cyclictest0-21swapper/208:30:142
3473947994540,3cyclictest3530650-21latency_hist08:15:010
3473950994440,3cyclictest3605187-21kworker/u8:1+flush-179:010:20:051
3473955994334,5cyclictest3720728-21kworker/2:3+pm12:20:142
3473955994238,3cyclictest3734716-21cat12:10:072
3473955994232,5cyclictest3504988-21kworker/2:0+pm08:05:062
3473957994138,2cyclictest3619935-21kworker/u8:0+flush-179:010:10:143
3473955994134,6cyclictest3582197-21kworker/2:0+pm10:10:032
3473955994134,4cyclictest3582197-21kworker/2:0+pm10:09:512
3473950994137,3cyclictest3586065-21kworker/u8:0+flush-179:009:20:271
3473950994137,3cyclictest3499730-21kworker/u8:2+flush-179:008:10:141
3473955994037,2cyclictest3582197-21kworker/2:0+pm09:20:262
3473955994031,5cyclictest3364057-1kworker/2:1H+kblockd12:00:122
347395599400,39cyclictest0-21swapper/207:15:362
3473950994037,2cyclictest3690265-21kworker/u8:3+flush-179:011:30:161
3473950994029,1cyclictest1318-21snmpd08:39:161
3473947994038,1cyclictest3607090-21kworker/0:1+pm09:52:540
3473947994035,4cyclictest3605872-21apt-get09:40:140
3473955993937,1cyclictest3504988-21kworker/2:0+pm08:00:272
3473955993936,2cyclictest3746395-21kworker/2:0+pm12:30:262
3473955993936,2cyclictest3659852-21kworker/2:1+pm11:05:132
3473955993936,2cyclictest3504988-21kworker/2:0+pm08:46:072
3473955993936,2cyclictest3504988-21kworker/2:0+pm08:26:052
3473955993933,3cyclictest3478421-21kworker/2:3+pm07:30:162
347395599390,38cyclictest3625655-21date10:05:052
3473950993937,1cyclictest3651345-21kworker/1:2+pm10:56:451
3473950993933,5cyclictest3664866-21/usr/share/muni10:50:131
3473957993836,1cyclictest3625100-21kworker/3:3+pm10:17:013
3473957993835,2cyclictest3702902-21kworker/u8:2+flush-179:011:55:063
3473957993835,2cyclictest3277012-1kworker/3:1H+kblockd11:20:033
3473957993834,3cyclictest3720309-21kworker/u8:4+flush-179:012:10:163
3473957993834,3cyclictest3560818-21latency_hist08:50:003
347395799380,38cyclictest0-21swapper/308:54:053
3473955993836,1cyclictest3659852-21kworker/2:1+pm11:55:452
3473955993836,1cyclictest3659852-21kworker/2:1+pm11:35:202
3473955993836,1cyclictest3659852-21kworker/2:1+pm11:25:152
3473955993836,1cyclictest3582197-21kworker/2:0+pm10:41:062
3473955993836,1cyclictest3582197-21kworker/2:0+pm10:15:152
3473955993836,1cyclictest3582197-21kworker/2:0+pm09:40:182
3473955993836,1cyclictest3582197-21kworker/2:0+pm09:31:442
3473955993836,1cyclictest3504988-21kworker/2:0+pm08:40:152
3473955993836,1cyclictest3504988-21kworker/2:0+pm08:40:152
3473955993836,1cyclictest3504988-21kworker/2:0+pm08:20:282
3473955993836,1cyclictest3478421-21kworker/2:3+pm07:45:122
3473955993836,1cyclictest3478421-21kworker/2:3+pm07:25:102
3473955993835,2cyclictest3659852-21kworker/2:1+pm11:00:042
3473955993834,3cyclictest3659852-21kworker/2:1+pm10:47:522
3473950993833,3cyclictest3660366-21chrome10:45:001
3473950993832,3cyclictest3504778-21/usr/sbin/munin07:45:011
3473947993837,1cyclictest3607090-21kworker/0:1+pm11:38:530
3473947993825,12cyclictest3744582-21awk12:20:150
3473957993735,1cyclictest3659686-21kworker/3:0+pm11:03:153
3473957993734,2cyclictest3625100-21kworker/3:3+pm10:20:103
3473955993734,2cyclictest3561968-21kworker/2:1+pm08:55:582
3473955993733,3cyclictest3504988-21kworker/2:0+pm08:19:402
3473955993731,5cyclictest3659852-21kworker/2:1+pm11:45:542
347395599370,36cyclictest3581740-31munin-html09:10:332
3473950993736,1cyclictest3229101-1kworker/1:0H+kblockd08:26:111
3473950993734,2cyclictest3229101-1kworker/1:0H+kblockd08:41:321
3473950993734,2cyclictest3229101-1kworker/1:0H+kblockd08:41:321
3473950993733,3cyclictest3651166-21gpgv10:35:001
3473957993634,1cyclictest3712209-1kworker/3:0H+kblockd12:30:533
3473957993634,1cyclictest3659686-21kworker/3:0+pm10:56:543
3473957993634,1cyclictest3586065-21kworker/u8:0+flush-179:009:40:153
3473957993634,1cyclictest3277012-1kworker/3:1H+kblockd11:36:013
3473957993634,1cyclictest3277012-1kworker/3:1H+kblockd11:13:353
3473957993633,2cyclictest3277012-1kworker/3:1H+kblockd10:50:593
3473957993633,2cyclictest3277012-1kworker/3:1H+kblockd10:35:053
3473955993634,2cyclictest3364057-1kworker/2:1H+kblockd09:35:062
3473955993634,1cyclictest3659852-21kworker/2:1+pm11:31:152
3473955993634,1cyclictest3659852-21kworker/2:1+pm11:21:012
3473955993634,1cyclictest3582197-21kworker/2:0+pm10:30:072
3473955993634,1cyclictest3582197-21kworker/2:0+pm09:15:172
3473955993634,1cyclictest3504988-21kworker/2:0+pm07:50:152
3473955993633,2cyclictest3746395-21kworker/2:0+pm12:25:022
3473955993633,2cyclictest3582197-21kworker/2:0+pm10:25:452
3473955993633,2cyclictest3582197-21kworker/2:0+pm09:55:122
3473955993633,2cyclictest3364057-1kworker/2:1H+kblockd11:51:112
3473955993626,9cyclictest1318-21snmpd08:54:392
3473955993626,6cyclictest3572237-21diskstats09:00:162
347395599362,32cyclictest3594599-31munin-html09:25:342
347395599361,2cyclictest3653100-21python310:35:112
3473955993612,23cyclictest18550irq/16-mmc008:35:332
3473950993634,1cyclictest3601042-21diskstats09:35:121
3473950993634,1cyclictest3229101-1kworker/1:0H+kblockd12:05:091
3473950993634,1cyclictest3229101-1kworker/1:0H+kblockd11:55:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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