You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-24 - 22:04

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 highest latencies:
System rackfslot4s.osadl.org (updated Tue Mar 24, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1342721350,2sleep013428-21seq10:35:160
3117521330,3chrt31177-21aten2.4_rfpower11:50:320
817721240,2chrt8178-21fschecks_count11:15:500
1222721210,2chrt12222-21irqstats07:10:460
116421210,2chrt1165-21sleep11:05:290
1423421180,1sleep014239-21runrttasks12:13:250
2660021160,2chrt26598-21sshd12:31:490
1921921150,2chrt19220-21modprobe09:05:580
874421140,2chrt8745-21seq09:39:580
2883821140,3chrt28839-21sleep11:46:170
1531421130,3chrt15315-21chrt07:15:460
2900221120,2chrt29003-21sleep10:09:570
2096521100,2sleep020966-21runrttasks07:25:270
1798721080,2sleep017989-21latency_hist09:05:030
142521080,2sleep01427-21if_err_can007:45:410
2532021070,1sleep025321-21sendmail_mailqu10:52:160
1227221070,2chrt12273-21cat08:55:340
801821060,2sleep08019-21chrt12:04:260
348021050,2sleep03481-21seq11:57:090
62322940,2sleep06233-21idleruntime08:45:390
202872940,2sleep020288-21seq11:33:500
132922940,2sleep013295-21wc10:35:040
257462920,2sleep025747-21runrttasks08:25:160
250362900,2sleep025037-21seq10:03:450
68722890,1sleep06873-21chrt11:13:340
170352870,2sleep017034-21ld09:51:210
8242840,2sleep0825-21chrt09:27:350
224442820,1sleep022447-21chrt08:20:010
209132820,2sleep020914-21chrt12:23:260
298562790,1sleep029857-21sh09:22:210
271342780,2sleep027135-21chrt07:35:190
177262780,2sleep017729-21cut10:41:040
123762770,2sleep012377-21gcc11:21:300
47092700,2sleep04712-21cut07:50:430
326722700,1sleep032674-21irqrtprio08:35:440
268322700,2sleep026833-21chrt10:55:110
165292700,2sleep016531-21runrttasks12:16:400
243752690,2sleep024376-21seq11:40:210
100822680,2sleep010083-21chrt12:07:020
96152670,2sleep09618-21irqrtprio08:50:440
96602619,41sleep09687-21users07:06:030
144122600,2sleep014413-21runrttasks08:06:010
250292580,2sleep025030-21ntp_states07:31:120
72172550,2sleep07215-21diskstats10:25:460
301542510,2sleep030155-21chrt12:37:110
43742500,3chrt2320-21/usr/sbin/munin09:32:270
193162500,2chrt19304-21apt08:15:010
11195905020,23cyclictest0-21swapper09:11:060
302902490,3chrt30291-21runrttasks11:00:270
11195904920,21cyclictest0-21swapper10:19:300
11195904718,22cyclictest0-21swapper09:59:320
164392460,3sleep016437-21ssh11:27:310
11195904618,21cyclictest0-21swapper12:28:110
11195904617,22cyclictest0-21swapper10:10:080
202102450,3sleep020152-21ssh10:45:130
141492450,3sleep014142-21ssh09:47:190
11195904514,21cyclictest27880-21ssh09:20:060
1119590446,10cyclictest4173-21/usr/sbin/munin10:21:000
11195904315,21cyclictest0-21swapper09:43:530
1119590425,20cyclictest22404-21ssh11:36:460
11195904216,18cyclictest412-21snmpd08:44:130
1119590414,18cyclictest31084-21irqstats07:40:440
1119590406,26cyclictest8177-21ntpq07:56:010
1119590394,18cyclictest22621-21apt-get08:20:200
11195903915,18cyclictest13106-21ls08:05:000
1119590383,19cyclictest31512-21sleep08:34:250
1119590377,20cyclictest17560-21apt-get07:20:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional