You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-05 - 20:59

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 the 376 highest latencies:
System rackfslot4s.osadl.org (updated Sat Sep 05, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811221300,2chrt8113-21chrt11:15:000
2292221230,2chrt22923-21irqrtprio09:11:110
1829121220,2chrt18264-21apt-get11:30:160
1008421210,2chrt8292-21/usr/sbin/munin11:17:140
3083621200,3sleep030837-21chrt12:37:230
1916221190,2sleep019192-21aten2.4-expect12:20:330
828221170,3chrt8279-21ld07:56:070
828421140,2chrt8286-21kernelversion10:26:120
2534821130,3chrt25349-21chrt07:31:210
403021120,3chrt4031-21sleep09:31:170
3161021120,2chrt31611-21runrttasks09:24:380
2373521120,2chrt23736-21if_eth110:01:040
160821120,2chrt1609-21seq11:05:280
1165321120,2chrt11654-21sleep07:10:230
109921120,3chrt1100-21chrt09:26:590
1978021090,3chrt19781-21aten2.4_rfpower09:55:350
2107721070,2sleep021075-21ls10:45:380
506621060,4chrt5067-21runrttasks11:58:570
166752980,2sleep016679-21wc11:27:120
265212940,2sleep026522-21basename10:05:340
247532930,1sleep024754-21chrt11:40:030
315952900,2sleep031596-21chrt07:41:230
165242900,2sleep016528-21grep12:16:030
233902890,2sleep023391-21grep08:20:270
127252840,2sleep012726-21seq12:10:380
187342820,2sleep018735-21chrt09:05:030
314902810,2sleep031494-21cut11:01:030
246092770,1sleep024612-21sort10:50:530
38262760,1sleep03827-21chrt10:20:070
34132730,2sleep03414-21seq10:19:300
292422730,2sleep029243-21threads10:57:200
143672680,2sleep014368-21seq11:24:050
77982620,2sleep07801-21sendmail_mailqu08:46:240
298092600,2sleep029811-21cut10:10:360
198332593,8sleep019836-21ntpq09:05:530
274512583,7sleep027444-21ntp_states08:26:140
270822583,8sleep027091-21ld12:31:440
89782570,2sleep08981-21wc12:05:040
175022573,7sleep017549-21sed08:10:430
160752570,2sleep016077-21processes07:16:220
139702573,45sleep013986-21chmod10:35:150
153022564,8sleep015300-21ntp_states08:07:020
31142553,44sleep03117-21sshd08:40:030
219742553,7sleep021984-21sleep07:25:560
121412553,9sleep012127-21ntp_states10:32:030
23122540,1sleep02315-21wc11:55:050
162862544,42sleep016292-21ssh09:50:190
99412533,7sleep09861-21ssh09:40:380
248862532,7sleep024881-21ssh11:40:080
229942534,8sleep023024-21if_can012:25:590
204562533,8sleep020463-21hddtemp_smartct08:15:370
155882522,6sleep015590-21ssh09:48:590
55312513,8sleep05589-21/usr/sbin/munin07:51:270
191572513,40sleep019175-21open_inodes07:21:210
947825014,20sleep09479-21ntpq07:05:450
11436904917,24cyclictest0-21swapper09:39:230
315842483,37sleep031588-21sleep08:33:190
105722483,36sleep010579-21ntpq08:51:000
20722474,35sleep02068-21ntpq07:46:070
11436904718,22cyclictest0-21swapper10:44:090
137872460,2chrt13785-21ld08:56:080
11436904617,9cyclictest6270-21cat08:45:030
105862460,3sleep010587-21sleep08:00:380
11436904416,20cyclictest0-21swapper12:09:390
1143690435,20cyclictest436-21runrttasks11:47:350
11436904314,24cyclictest25935-21hddtemp_smartct09:16:000
1143690425,11cyclictest28001-21irqstats07:35:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional