You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-18 - 08:51
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
Characteristics of the 50 highest latencies:
System rackbslot1.osadl.org (updated Wed Dec 17, 2025 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40860252220172,35sleep20-21swapper/207:07:012
40861372205181,14sleep30-21swapper/307:08:303
40861352204180,14sleep10-21swapper/107:08:281
4086433991140,113cyclictest3125684-21Chrome_DevTools10:45:013
408297928948,11sleep00-21swapper/007:05:180
4086433998073,5cyclictest247557-21chrome11:45:023
4086433998073,5cyclictest247557-21chrome11:45:023
4086428996827,38cyclictest4186323-21munin-update08:45:012
4086426996651,5cyclictest4125070-21CacheThread_Blo07:45:011
4086423996658,5cyclictest3125721-21chrome11:45:020
4086423996658,5cyclictest3125721-21chrome11:45:020
4086423996651,3cyclictest117501-21chrome10:45:010
408642399651,63cyclictest173649-21kworker/u8:4+efi_rts_wq11:40:050
408642899641,62cyclictest173649-21kworker/u8:4+efi_rts_wq11:40:042
4086426996258,3cyclictest85727-31munin-html10:10:391
4086426996258,3cyclictest85727-31munin-html10:10:391
4086428996155,5cyclictest3125691-21ThreadPoolForeg07:35:412
4086433996020,39cyclictest4186625-21ThreadPoolForeg08:45:003
4086428996055,4cyclictest3125688-21Chrome_ChildIOT12:00:002
4086433995844,13cyclictest206001-21/usr/share/muni12:10:163
4086428995651,4cyclictest4185948-21kworker/u8:3+flush-179:009:00:002
4086423995653,2cyclictest28431-21kworker/u8:0+flush-179:009:40:350
4086428995550,3cyclictest179957-21snmp_wlanswitch11:45:022
4086428995550,3cyclictest179957-21snmp_wlanswitch11:45:022
4086426995338,13cyclictest247557-21chrome10:45:011
4086433995248,3cyclictest173649-21kworker/u8:4+flush-179:011:40:263
4086433995243,8cyclictest56744-21ThreadPoolForeg09:45:173
4086428995249,3cyclictest4113595-21kworker/u8:4+flush-179:008:35:072
4086428995248,3cyclictest4155283-21kworker/u8:0+flush-179:009:00:292
4086426995146,3cyclictest4086596-21/usr/share/muni07:10:161
4086433995047,2cyclictest4113595-21kworker/u8:4+flush-179:007:49:143
4086433995045,4cyclictest4166152-21/usr/share/muni08:25:163
4086426995044,4cyclictest44160-21latency_hist09:35:011
4086426995044,4cyclictest44160-21latency_hist09:35:011
408642399506,41cyclictest4186618-21chrome08:45:010
4086423994946,2cyclictest75467-21kworker/u8:1+flush-179:010:18:330
4086433994842,4cyclictest8151-21/usr/share/muni09:00:083
4086428994842,4cyclictest54877-21/usr/share/muni09:45:112
4086428994836,11cyclictest2763-21kworker/2:0+pm09:53:032
4086426994844,3cyclictest86612-21/usr/share/muni10:15:111
4086423994844,3cyclictest4185948-21kworker/u8:3+flush-179:009:35:150
4086428994744,2cyclictest111731-21kworker/u8:1+flush-179:011:25:312
4086428994743,3cyclictest44623-21/usr/share/muni09:35:082
4086426994743,3cyclictest4186323-21munin-update08:45:351
4086426994741,4cyclictest64862-21kworker/u8:5+flush-179:010:25:311
4086433994643,2cyclictest4113595-21kworker/u8:4+flush-179:008:09:363
4086433994642,3cyclictest4021164-21kworker/u8:1+flush-179:007:35:073
4086428994643,2cyclictest163454-21kworker/u8:0+flush-179:011:35:012
4086428994641,4cyclictest4152228-21ntpq08:10:152
4086426994641,3cyclictest54998-21Chrome_ChildIOT09:45:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional