You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-09 - 12:59

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 #f, slot #4

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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackfslot4s.osadl.org (updated Wed Sep 09, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1764221290,3chrt17645-21aten2.4_rfpower22:00:360
726121280,2chrt7262-21ls21:45:050
3075821210,2chrt30760-21irqrtprio20:40:450
2507421210,3chrt25075-21sleep00:36:240
1648521200,2sleep016486-21rm21:58:250
1099621190,2sleep011032-21seq21:50:400
384021180,2chrt3834-21ntpq22:27:560
1816121180,2chrt18162-21sh23:37:330
1357921180,3chrt13580-21chrt21:05:330
412121150,2chrt4122-21sleep00:05:420
2627921150,3chrt26278-21seq23:50:250
1825521130,2chrt18254-21seq19:30:190
2162221110,2sleep021623-21chrt22:54:470
2888621080,2sleep028887-21sh21:28:280
2313321070,2chrt23134-21runrttasks00:33:530
140221070,3chrt1401-21/usr/sbin/munin21:36:040
2557721060,3chrt25579-21runrttasks22:11:490
1099321060,2chrt10994-21sleep19:17:480
104821030,2chrt1049-21sh22:23:590
1643021020,2chrt16431-21sh00:23:420
1385821020,2sleep013860-21grep23:31:130
207402970,2sleep020742-21chrt20:25:250
68742960,2sleep06875-21cat20:55:100
172942960,1sleep017288-21sh20:20:010
239672930,1sleep023971-21latency23:46:110
212932930,2sleep021294-21ssh23:42:260
73442880,1sleep07345-21ld23:21:200
100332880,2sleep010034-21seq00:14:470
105532870,2sleep010552-21sort21:50:040
211612850,2sleep021162-21chrt22:05:410
125752780,2sleep012572-21df22:41:030
276042760,2sleep027606-21cut20:35:450
285292750,2sleep028531-21sed23:05:060
71642730,2sleep07165-21cat22:32:230
35252709,48sleep03535-21memory19:05:370
314552700,1sleep031456-21chrt23:09:260
288772700,1sleep028878-21seq19:45:590
22882700,2sleep02289-21sh23:14:220
164392700,1sleep016440-21chrt21:10:280
106472670,2sleep010645-21hddtemp_smartct21:00:390
175982650,2sleep017599-21rm22:48:040
116762640,1sleep011677-21seq23:27:550
246732610,1sleep024681-21sh21:22:030
19302583,45sleep01536-21apt-get19:55:120
61292562,6sleep06143-21ntpq20:00:570
215222553,43sleep021530-21chrt19:35:120
191092552,6sleep019038-21ssh00:27:210
185382553,7sleep018549-21ntpq20:20:530
43372543,40sleep04431-21irqrtprio20:50:440
298412540,2sleep029843-21seq22:18:170
123252543,43sleep012331-21df19:20:270
16622522,7sleep01645-21ssh00:01:260
96542510,2sleep09653-21sed22:36:140
300912510,1sleep030100-21cut23:55:520
211222502,41sleep021115-21ssh21:16:440
235122490,1sleep023516-21seq22:56:590
97732470,4chrt9771-21/usr/sbin/munin20:06:300
5631904617,22cyclictest0-21swapper23:18:510
5631904615,23cyclictest0-21swapper21:34:300
163912463,35sleep016394-21ntp_states19:26:160
68692454,33sleep06875-21ntpq19:10:590
5631904513,24cyclictest0-21swapper00:18:380
266322450,2chrt26631-21seq20:35:020
5631904115,11cyclictest1044-21runrttasks19:53:410
563190389,10cyclictest25090-21fschecks_count19:40:370
563190386,12cyclictest14179-21apt20:15:010
5631903819,9cyclictest1626-21ntpq20:45:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional