You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-17 - 02:05
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.
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 50 highest latencies:
System rackeslot6.osadl.org (updated Mon Mar 16, 2026 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3515444999990,6cyclictest3621208-21latency_hist12:40:010
3515446999688,5cyclictest3518493-21kworker/u8:1+events_unbound08:05:221
3515444999483,8cyclictest3534446-21kworker/u8:0+flush-179:008:35:000
3515446999384,6cyclictest3526545-21kworker/u8:2+events_unbound08:10:261
3515446998880,5cyclictest3605326-21kworker/u8:2+events_unbound11:55:231
3515446998779,6cyclictest3597328-21kworker/u8:1+flush-179:011:40:241
3515446998677,7cyclictest3518493-21kworker/u8:1+flush-179:008:00:261
3515446998580,4cyclictest3565800-21kworker/u8:1+flush-179:010:30:231
3515444998476,5cyclictest3566599-21kworker/u8:3+flush-179:010:35:000
3515446998377,4cyclictest3609477-21kworker/u8:0+events_unbound12:35:021
3515446998277,4cyclictest3604761-21kworker/u8:0+flush-179:011:50:241
3515446998065,5cyclictest3566599-21kworker/u8:3+events_unbound10:45:211
3515446997972,5cyclictest3610034-21kworker/u8:3+flush-179:012:30:011
3515446997972,5cyclictest3534446-21kworker/u8:0+flush-179:009:00:201
3515446997970,6cyclictest3600511-21latency_hist11:35:011
3515446997871,5cyclictest3534446-21kworker/u8:0+events_unbound08:40:251
3515446997870,5cyclictest3518493-21kworker/u8:1+events_unbound07:20:011
3515444997865,10cyclictest3585943-21apt-get10:49:590
3515446997768,6cyclictest3577972-21latency_hist10:25:001
3515446997768,6cyclictest3566599-21kworker/u8:3+events_unbound10:35:181
3515446997767,8cyclictest3537709-21kworker/u8:1+flush-179:008:30:251
3515446997569,4cyclictest3518493-21kworker/u8:1+flush-179:007:55:001
3515446997568,5cyclictest3534446-21kworker/u8:0+events_unbound08:40:011
3515446997468,5cyclictest3587749-21kworker/u8:3+flush-179:010:55:001
3515444997362,8cyclictest3536049-21latency_hist08:15:010
3515446997165,5cyclictest3565800-21kworker/u8:1+events_unbound09:50:231
3515446997165,4cyclictest3610034-21kworker/u8:3+events_unbound12:10:241
3515446997164,5cyclictest3505576-21kworker/u8:2+events_unbound07:10:241
3515446997159,5cyclictest3552286-21kworker/u8:1+events_unbound09:05:231
3515446997159,5cyclictest3552286-21kworker/u8:1+events_unbound09:05:231
3515444997165,4cyclictest3523329-21kworker/u8:0+events_unbound07:40:250
3515444997160,8cyclictest3569995-21/usr/sbin/munin10:00:230
3515446997065,3cyclictest3534446-21kworker/u8:0+events_unbound09:20:141
3515446997061,7cyclictest3590402-21kworker/u8:0+flush-179:011:30:001
3515446997060,7cyclictest3571402-21kworker/u8:2+flush-179:010:10:161
3515446996962,6cyclictest3600514-21kworker/u8:3+events_unbound11:35:231
3515446996962,6cyclictest3600514-21kworker/u8:3+events_unbound11:35:231
3515446996961,5cyclictest3587749-21kworker/u8:3+events_unbound10:55:191
3515446996860,6cyclictest3587749-21kworker/u8:3+events_unbound11:00:181
3515446996759,6cyclictest3609477-21kworker/u8:0+flush-179:012:20:001
3515446996759,5cyclictest3595715-21kworker/u8:3+flush-179:011:20:191
351544499670,66cyclictest0-21swapper/011:53:590
3515446996661,4cyclictest3609477-21kworker/u8:0+flush-179:012:39:551
3515446996559,4cyclictest3526545-21kworker/u8:2+flush-179:008:15:251
3515444996557,5cyclictest3534446-21kworker/u8:0+events_unbound09:55:010
3515446996458,4cyclictest3566599-21kworker/u8:3+flush-179:010:00:211
3515446996458,4cyclictest3523329-21kworker/u8:0+flush-179:007:50:001
3515446996457,4cyclictest3534446-21kworker/u8:0+events_unbound08:55:121
3515446996357,5cyclictest3565800-21kworker/u8:1+flush-179:010:25:211
3515446996356,4cyclictest3542655-21kworker/u8:2+flush-179:008:50:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional