You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 23:55
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 50 highest latencies:
System rackbslot2.osadl.org (updated Thu Dec 04, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28518439912931289,2cyclictest3077784-21snmp_ryswitch2.11:30:031
28514032236207,19sleep00-21swapper/007:06:380
28514052235206,19sleep20-21swapper/207:06:392
28515102228198,20sleep10-21swapper/107:08:031
28514862228199,19sleep30-21swapper/307:07:463
2851853997459,13cyclictest3090429-21snmp_wlanswitch11:45:013
2851853996146,2cyclictest2882571-21chrome07:45:013
2851848996156,4cyclictest2935533-21apt-get08:45:092
2851840995652,2cyclictest2986105-13chrome09:45:010
2851853995452,1cyclictest0-21swapper/308:45:013
2851843995248,3cyclictest3037572-21kworker/u8:2+flush-179:011:20:001
2851843995238,2cyclictest3090440-21snmp_areswitch.11:45:011
2851848995037,12cyclictest3064470-21kworker/2:3+pm12:00:272
2851853994944,4cyclictest3062561-21cat11:10:143
2851853994936,10cyclictest3124739-21/usr/share/muni12:25:023
29698082480,1sleep30-21swapper/309:25:063
29698082480,1sleep30-21swapper/309:25:053
2851853994842,4cyclictest3038376-21chrome10:45:023
2851840994843,4cyclictest2877950-21latency_hist07:40:010
2851843994641,4cyclictest2991802-21ntpq09:50:081
2851853994541,3cyclictest3031691-21apt-get10:35:153
2851843994441,2cyclictest3028659-21kworker/u8:3+flush-179:011:10:131
285184399440,14cyclictest2969329-21snmp_ryswitch2.09:25:031
285184399440,14cyclictest2969329-21snmp_ryswitch2.09:25:031
2851840994439,4cyclictest3022713-21apt-get10:25:140
2851853994330,1cyclictest2682899-1kworker/3:2H+kblockd08:16:333
2851843994340,2cyclictest2886468-21kworker/u8:0+flush-179:008:25:151
2851843994235,6cyclictest2890991-21kworker/u8:1+flush-179:009:35:241
2851840994238,3cyclictest59300-21rs:main0
2851848994138,2cyclictest2834246-21kworker/2:0+pm08:20:092
2851848994135,5cyclictest2990909-21/usr/share/muni09:50:142
2851853994035,4cyclictest2879263-21apt-get07:40:073
2851848994038,1cyclictest3064470-21kworker/2:3+pm11:16:492
2851848994038,1cyclictest2973218-21kworker/2:1+pm10:10:172
2851848994037,2cyclictest2973218-21kworker/2:1+pm10:51:302
2851848994037,2cyclictest2834246-21kworker/2:0+pm09:26:412
2851848994037,2cyclictest2834246-21kworker/2:0+pm09:26:412
2851848994037,2cyclictest2834246-21kworker/2:0+pm08:36:492
2851848994037,2cyclictest2834246-21kworker/2:0+pm07:31:302
2851843994035,4cyclictest2983582-21apt-get09:40:131
2851840994034,4cyclictest2883708-21apt-get07:45:100
2851840994027,2cyclictest1318-21snmpd09:41:190
2851853993937,1cyclictest3033195-21kworker/3:2+pm12:03:023
2851848993937,1cyclictest3064470-21kworker/2:3+pm11:41:272
2851848993937,1cyclictest3064470-21kworker/2:3+pm11:31:342
2851848993937,1cyclictest2973218-21kworker/2:1+pm10:45:272
2851848993937,1cyclictest2973218-21kworker/2:1+pm10:40:162
2851848993937,1cyclictest2973218-21kworker/2:1+pm09:46:442
2851848993937,1cyclictest2834246-21kworker/2:0+pm08:00:002
2851848993937,1cyclictest2834246-21kworker/2:0+pm07:46:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional