You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-03 - 08:22
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: 50 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 20 highest latencies:
System rack4slot2.osadl.org (updated Sun May 03, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a1000008348-21runrttasks19:00:550
7450860,0irq/46-4a1000002775-21wget23:30:000
7350850,0irq/45-4a1000003190-21runrttasks20:20:170
75782840,0chrt6048-1kworker/u3:223:43:320
7450840,0irq/46-4a10000016290-21sendmail22:34:500
7350840,0irq/45-4a1000008247-21grep20:35:140
220042846,0sleep022006-21fw_forwarded_lo00:25:210
152292847,0sleep015231-21irqstats20:55:280
7450830,0irq/46-4a100000460-21snmpd20:32:210
7450830,0irq/46-4a100000460-21snmpd00:18:510
7450830,0irq/46-4a10000019774-21latency_hist21:09:530
7450820,0irq/46-4a10000018408-21sh19:30:110
7350820,0irq/45-4a1000006178-21aten_r4power_cu22:04:590
7350820,0irq/45-4a10000028677-21df_inode21:35:090
16252820,0sleep031492-1kworker/u3:023:25:280
7450810,0irq/46-4a1000008216-21grep22:10:160
7450810,0irq/46-4a10000024678-21seq21:23:430
7450810,0irq/46-4a10000020882-21grep00:20:490
7450810,0irq/46-4a1000001991-21runrttasks21:50:470
7450810,0irq/46-4a10000017221-21zcat21:00:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional