You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-02 - 19:52

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 Tue Jun 02, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1551621240,2chrt15518-21runrttasks10:25:040
1243021230,3chrt12433-21wc09:31:130
1728721220,2chrt17288-21runrttasks09:38:500
172521210,2chrt1724-21/usr/sbin/munin11:41:000
1256821210,2chrt12569-21/usr/sbin/munin08:41:340
2695821180,3chrt26955-21ntpq10:41:250
3276621160,3chrt32767-21runrttasks11:38:570
3126621140,2chrt31267-21seq08:20:090
2675721140,2chrt26756-21seq12:18:400
1915621140,2sleep019157-21fschecks_count08:00:350
412021130,1sleep04122-21if_err_eth210:56:000
3075221130,2sleep030753-21seq12:24:530
1059221130,2sleep010593-21seq11:54:430
1903621120,2chrt19033-21/usr/sbin/munin11:18:090
3029021100,2chrt30291-21chrt07:25:540
2430121100,2chrt24302-21chrt09:49:340
1191121080,2chrt11912-21sleep11:07:210
250642980,2sleep025065-21chrt10:39:070
236642940,2sleep023665-21seq12:14:140
15432940,2sleep01544-21seq10:03:470
259342930,2sleep025935-21cat08:10:480
43562910,2sleep04354-21proc_pri07:36:240
162612860,2sleep016262-21seq11:14:330
81012850,3chrt7970-21apt-get09:25:310
105992830,2chrt10572-21ntpq10:17:070
30492810,2sleep03051-21ls12:31:170
230532800,2sleep023054-21chrt07:15:210
167522800,1sleep016753-21seq07:56:010
76702790,2sleep07671-21seq09:24:450
64302790,2sleep06431-21rm10:11:060
1786627910,19sleep017878-21ntpq07:05:490
219072780,2sleep021908-21chrt08:05:210
201362780,2sleep020137-21seq09:42:370
264622770,2sleep026463-21chrt11:29:430
257982760,2sleep025799-21cat09:51:120
158192760,1sleep015820-21chrt12:01:560
9752740,2sleep0976-21seq12:28:230
102452740,3sleep010246-21ntpq07:45:520
88372720,2sleep08834-21if_err_eth008:35:420
267722720,2sleep026773-21chrt11:30:110
205152710,2sleep020518-21cpu11:20:360
29622660,1sleep02963-21uname08:25:490
75002610,2sleep07504-21latency_hist11:50:030
179922590,1sleep017993-21seq10:28:090
81442570,2sleep08145-21seq12:39:430
297732570,1sleep029771-21if_err_eth110:46:030
7772562,7sleep0848-21memory07:30:480
131312560,1sleep013132-21ssh11:57:510
41482550,2sleep04151-21cut10:07:220
320052540,1sleep032000-21ld09:12:150
327312522,7sleep032168-21apt-get10:50:370
84742510,1sleep08476-21processes11:02:120
221982513,7sleep022200-21ntp_states08:56:190
37262502,7sleep03724-21ssh09:18:240
19758904819,20cyclictest0-21swapper12:09:010
272872450,2chrt27289-21runrttasks07:21:030
285812443,34sleep028614-21python309:06:250
1975890445,11cyclictest15945-21ntp_states08:46:140
1975890436,10cyclictest13907-21ntpq07:51:480
64072423,31sleep06411-21ntpq08:31:130
19758904217,16cyclictest18963-21/usr/sbin/munin10:31:010
19758904216,9cyclictest29839-21ssh09:57:210
1975890414,19cyclictest20251-21df_inode07:10:310
19758904016,17cyclictest0-21swapper07:40:340
1975890394,27cyclictest29215-21ntpq08:16:050
19758903915,16cyclictest17785-21/usr/sbin/munin08:50:350
19758903718,10cyclictest24018-21/usr/sbin/munin09:00:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional