You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-01 - 04:39

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #9, slot #8

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 100 highest latencies:
System rack9slot8s.osadl.org (updated Tue Jul 01, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501740,0irq/47-4a10000020658-21seq19:09:050
81950850,0irq/47-4a10000020295-21ssh21:41:530
81950850,0irq/47-4a10000019431-21ssh21:39:560
81950840,0irq/47-4a1000008911-21apt21:14:530
81950840,0irq/47-4a1000004661-21kworker/u2:222:23:360
81950840,0irq/47-4a10000030179-21ssh23:22:350
81950840,0irq/47-4a1000002648-21kworker/u2:021:30:420
81950840,0irq/47-4a1000001712-21snmpd00:10:270
81950840,0irq/47-4a10000016263-21kworker/u2:000:07:590
81850840,0irq/46-4a1000003764-21idleruntime-cro22:19:570
81950820,0irq/47-4a10000029120-21ssh22:03:070
81950820,0irq/47-4a10000027851-21ssh00:34:020
81950820,0irq/47-4a1000002457-21kworker/u2:022:52:100
81950820,0irq/47-4a10000013841-21rm22:43:570
81850820,0irq/46-4a10000029706-21seq20:05:030
81950810,0irq/47-4a1000008252-21ssh22:30:290
81950810,0irq/47-4a10000032337-21ssh22:10:370
81950810,0irq/47-4a10000031914-21ssh22:09:490
81950810,0irq/47-4a10000027470-21ssh21:59:200
81950810,0irq/47-4a1000002457-21kworker/u2:023:39:470
81950810,0irq/47-4a1000001400-21ssh23:31:150
81950810,0irq/47-4a10000011786-21ssh23:55:560
81850810,0irq/46-4a1000009-21ksoftirqd/021:47:030
81850810,0irq/46-4a10000026325-21ssh00:30:050
81850810,0irq/46-4a10000025002-21runrttasks23:10:110
81850810,0irq/46-4a10000015358-21ssh00:04:270
81850810,0irq/46-4a10000014063-21runrttasks21:26:560
81950800,0irq/47-4a1000007796-21ssh22:29:360
81950800,0irq/47-4a1000006154-21ssh23:42:420
81950800,0irq/47-4a10000031539-21sshd23:25:450
81950800,0irq/47-4a10000010451-21ssh21:18:210
81950800,0irq/47-4a10000010323-21ssh23:52:330
81850800,0irq/46-4a1000002325-21munin-run20:39:530
15892806,0sleep01634-21ls20:34:540
81950790,0irq/47-4a1000008456-21ssh23:48:090
81950790,0irq/47-4a10000029270-21ssh00:37:170
81950790,0irq/47-4a10000021883-21ntp_states19:15:010
81950790,0irq/47-4a10000020916-21rm23:00:260
81950790,0irq/47-4a10000020696-21kworker/u2:700:17:180
81950790,0irq/47-4a10000011194-21ssh21:19:590
81850790,0irq/46-4a10000031046-21ls20:14:510
81850790,0irq/46-4a1000003080-21munin-run20:44:530
81850790,0irq/46-4a10000024156-21seq23:08:190
81850790,0irq/46-4a10000010417-21sshd22:35:420
58522790,0chrt5264-21kworker/u2:421:03:300
81950780,0irq/47-4a100000831-21idleruntime-cro20:29:520
81950780,0irq/47-4a10000025249-21ssh21:54:080
81950780,0irq/47-4a10000022431-21rm00:20:370
81950780,0irq/47-4a10000019599-21ssh22:57:300
81850780,0irq/46-4a10000027440-21kworker/u2:519:59:510
280372780,0sleep015005-21kworker/u2:323:17:320
273042780,0chrt24548-21kworker/u2:219:50:140
81950770,0irq/47-4a10000025716-21latency_hist19:39:510
81950770,0irq/47-4a10000024548-21kworker/u2:219:44:510
81950770,0irq/47-4a10000021526-21munin-run19:14:500
81950770,0irq/47-4a10000015090-21ssh22:46:440
322202770,0chrt29908-21kworker/u2:120:22:200
246682770,0chrt24548-21kworker/u2:219:32:510
81950760,0irq/47-4a1000003643-21sshd20:48:400
81950760,0irq/47-4a10000024548-21kworker/u2:219:49:500
81850760,0irq/46-4a10000022255-21kworker/u2:419:29:500
81850750,0irq/46-4a10000028188-21kworker/u2:020:00:210
42652750,0chrt4148-21kworker/u2:120:52:460
315832740,0sleep029908-21kworker/u2:120:18:180
81950730,0irq/47-4a10000023018-21sshd19:21:290
62762730,0sleep02648-21kworker/u2:021:05:590
49172730,0sleep04894-21kworker/u2:220:57:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional