You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-17 - 21:26

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 792 highest latencies:
System rack9slot8s.osadl.org (updated Thu Jul 17, 2025 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818502120,0irq/46-4a10000029984-21kworker/0:007:09:240
81950900,0irq/47-4a10000028777-21idleruntime-cro09:34:530
81950870,0irq/47-4a1000002878-21kworker/u2:712:10:020
81950870,0irq/47-4a10000015916-21ssh11:25:010
81950860,0irq/47-4a1000006562-21runrttasks11:05:110
81950860,0irq/47-4a10000031839-21rm11:58:460
81950860,0irq/47-4a10000018643-21apt-get12:40:020
81950860,0irq/47-4a10000015173-21snmpd09:24:450
81950860,0irq/47-4a10000015173-21snmpd08:34:300
81950860,0irq/47-4a10000013554-21runrttasks12:29:100
81850860,0irq/46-4a1000001706-21ssh12:03:420
81950850,0irq/47-4a10000031503-21munin-node07:14:540
81850850,0irq/46-4a1000002713-21ssh09:48:310
81850850,0irq/46-4a10000022871-21ssh10:31:050
81850850,0irq/46-4a10000015989-21ssh10:16:340
81950840,0irq/47-4a1000009429-21latency_hist08:19:540
81950840,0irq/47-4a1000008271-21rm12:17:440
81950840,0irq/47-4a1000006108-21rm11:04:270
81950840,0irq/47-4a10000028848-21ssh10:43:520
81950840,0irq/47-4a1000002595-21find07:34:590
81950840,0irq/47-4a10000022898-21kworker/u2:511:44:590
81950840,0irq/47-4a10000016315-21munin-run12:35:020
81950840,0irq/47-4a10000015173-21snmpd10:55:220
81950840,0irq/47-4a10000015173-21snmpd08:49:360
81950840,0irq/47-4a10000015163-21idleruntime-cro10:14:560
81950840,0irq/47-4a10000013448-21sendmail11:19:580
81950840,0irq/47-4a10000011691-21sshd10:07:380
81950840,0irq/47-4a10000010333-21apt10:04:560
81950840,0irq/47-4a10000010133-21awk08:24:530
81850840,0irq/46-4a10000015173-21snmpd09:09:390
81950830,0irq/47-4a1000006210-21apt-get08:00:150
81950830,0irq/47-4a10000032115-21sshd10:50:380
81950830,0irq/47-4a10000022885-21cron11:39:580
81950830,0irq/47-4a10000019542-21apt-key09:15:010
81950830,0irq/47-4a10000010862-21apt08:29:520
81950830,0irq/47-4a10000010601-21ssh11:13:570
81850830,0irq/46-4a1000006802-21ssh09:57:160
81850830,0irq/46-4a10000024904-21ssh09:26:250
81850830,0irq/46-4a10000018950-21ssh11:31:270
81950820,0irq/47-4a1000005910-21runrttasks07:57:350
81950820,0irq/47-4a1000004314-21kworker/u2:209:54:290
81950820,0irq/47-4a10000032556-21ssh09:42:540
81950820,0irq/47-4a10000017755-21ssh10:20:120
81950820,0irq/47-4a1000001577-21idleruntime-cro07:29:490
81950820,0irq/47-4a10000015173-21snmpd08:09:260
81950820,0irq/47-4a10000012855-21runrttasks08:43:050
201872820,0sleep018383-21kworker/u2:410:25:220
81950810,0irq/47-4a100000829-21apt07:24:500
81950810,0irq/47-4a10000031061-21sshd07:12:300
81950810,0irq/47-4a10000029491-21kworker/u2:107:34:510
81950810,0irq/47-4a10000029407-21ssh11:53:410
81950810,0irq/47-4a10000019143-21ssh09:14:230
81850810,0irq/46-4a10000030175-21ssh09:37:510
81850810,0irq/46-4a10000010041-21kworker/u2:412:23:410
81950800,0irq/47-4a10000030660-21ssh10:47:380
81950800,0irq/47-4a10000015173-21snmpd07:44:190
81950800,0irq/47-4a10000014562-21ssh11:22:110
81950800,0irq/47-4a10000013524-21kworker/u2:510:35:550
81850800,0irq/46-4a10000025905-21ssh11:46:070
48872800,0chrt2836-21kworker/u2:607:50:130
81950790,0irq/47-4a1000008566-21runrttasks08:14:310
81950790,0irq/47-4a10000028722-21kworker/u2:507:49:510
81950790,0irq/47-4a1000002788-21ssh12:05:530
119122790,0sleep011839-21kworker/u2:108:36:340
81950780,0irq/47-4a10000015319-21munin-run08:59:540
162062770,0chrt12316-21kworker/u2:509:04:330
142852770,0chrt14119-21kworker/u2:108:52:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional