You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-07 - 15:32
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 100 highest latencies:
System rackbslot7.osadl.org (updated Fri Aug 07, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1173121076,16sleep10-21swapper/118:52:541
11272210530,40sleep00-21swapper/018:51:100
121609910344,39cyclictest29581-21fschecks_time19:45:520
121609910344,39cyclictest29581-21fschecks_time19:45:520
121609910333,29cyclictest0-21swapper/023:20:280
121609910333,29cyclictest0-21swapper/023:20:280
121609910237,34cyclictest4743-21ssh21:24:510
121609910236,33cyclictest2615-21ssh00:01:060
121609910135,39cyclictest11628-21taskset22:30:080
121729910059,34cyclictest4183-21sendmail00:05:251
12160999938,34cyclictest19665-21ssh22:41:500
12160999936,35cyclictest13385-21taskset21:38:480
12172999855,37cyclictest26768-21latency22:00:521
12160999831,26cyclictest0-21swapper/022:21:040
1218099973,66cyclictest10007-21apt-get23:20:442
12160999735,26cyclictest25552-21rm22:51:280
1217299963,27cyclictest352-21runrttasks22:51:481
12160999639,52cyclictest0-21swapper/023:20:540
12160999637,24cyclictest14453-21rm22:34:000
1199429635,43sleep30-21swapper/318:55:293
12160999536,23cyclictest4424-21rm22:17:240
12160999535,27cyclictest18598-21ssh23:35:120
12160999534,25cyclictest19433-21rm21:48:540
12180999417,46cyclictest39-21ksoftirqd/222:39:392
12180999417,46cyclictest39-21ksoftirqd/222:39:392
12172999455,32cyclictest11882-21ntp_kernel_pll_21:35:551
12160999456,27cyclictest5312-21apt-get21:25:380
12160999337,24cyclictest16802-21sh21:45:010
12160999337,24cyclictest16802-21sh21:45:010
12160999335,23cyclictest976-21taskset23:59:520
12160999335,21cyclictest25809-21sh22:00:000
12160999335,21cyclictest25809-21sh22:00:000
12160999334,26cyclictest31572-21ssh23:01:380
12160999333,25cyclictest1273-21runrttasks19:58:400
12160999330,25cyclictest0-21swapper/022:37:050
12160999330,25cyclictest0-21swapper/022:37:050
1218099923,65cyclictest12333-21ssh22:30:412
1217299922,26cyclictest352-21runrttasks19:26:231
12160999235,22cyclictest23430-21ssh22:48:560
12160999235,22cyclictest23430-21ssh22:48:560
12160999232,22cyclictest10608-21ssh21:34:250
12160999232,22cyclictest10608-21ssh21:34:250
12180999163,19cyclictest16669-21fschecks_count20:45:482
1217299913,81cyclictest0-21swapper/119:20:391
12160999135,26cyclictest21125-21ssh23:38:550
12160999135,22cyclictest1463-21ssh21:19:020
12160999135,21cyclictest26236-21sh23:46:240
12160999132,24cyclictest6129-21ssh00:07:280
118612916,68sleep20-21swapper/218:54:342
12172999048,35cyclictest4704-21timerandwakeup23:11:011
12172999048,35cyclictest4704-21timerandwakeup23:11:011
12172999048,34cyclictest0-21swapper/122:21:301
1217299904,78cyclictest0-21swapper/119:55:381
1217299903,38cyclictest29375-21/usr/sbin/munin21:10:561
12160999062,18cyclictest3812-21apt-get23:10:400
12160999062,18cyclictest3812-21apt-get23:10:400
12160999037,23cyclictest9113-21ssh00:12:280
12160999032,23cyclictest14302-21taskset20:36:560
12160999032,22cyclictest21524-21ssh20:57:530
12160999032,22cyclictest21524-21ssh20:57:530
12160998958,20cyclictest26088-21apt-get19:35:380
12160998953,26cyclictest3333-21apt-get20:05:370
12160998935,26cyclictest31134-21rm22:08:040
12160998935,20cyclictest29869-21users21:11:050
12160998934,26cyclictest28183-21ssh21:09:420
12160998934,26cyclictest14995-21ssh23:28:260
12160998932,21cyclictest12661-21ssh00:19:030
1218099886,61cyclictest6099-21ssh22:20:422
12172998847,34cyclictest0-21swapper/121:45:261
12172998847,34cyclictest0-21swapper/121:45:261
12172998841,41cyclictest0-21swapper/120:20:361
12172998841,41cyclictest0-21swapper/120:20:361
1217299882,28cyclictest352-21runrttasks20:02:281
12160998836,19cyclictest219812switchtime19:21:010
12160998830,23cyclictest24154-21ssh21:01:540
12160998829,33cyclictest0-21swapper/022:13:090
12172998753,28cyclictest277-21dbus-daemon23:50:261
12160998751,23cyclictest16489-21apt-get20:45:380
12160998748,23cyclictest22879-21apt-get19:25:420
12160998734,19cyclictest19457-21diskmemload00:24:060
12172998664,16cyclictest5042-21latency_hist21:25:291
1217299863,38cyclictest28864-21/usr/sbin/munin23:51:021
12160998664,14cyclictest352-21runrttasks19:10:450
12160998634,23cyclictest29284-21rm22:58:360
12160998630,24cyclictest11214-21kworker/u17:2+rpciod22:00:310
1217299855,71cyclictest0-21swapper/119:40:381
12160998536,19cyclictest2369-21/usr/sbin/munin20:00:590
12172998443,33cyclictest0-21swapper/121:55:541
12172998443,33cyclictest0-21swapper/121:55:541
12172998438,40cyclictest0-21swapper/123:20:251
12172998438,40cyclictest0-21swapper/123:20:251
1217299843,39cyclictest13207-21/usr/sbin/munin18:56:181
1217299842,25cyclictest10119-21apt-get23:20:541
12160998453,19cyclictest14853-21apt-get20:40:380
12160998449,22cyclictest4938-21apt-get20:10:410
12160998445,32cyclictest6821-21apt-get20:16:010
12160998445,32cyclictest6821-21apt-get20:16:010
12160998437,42cyclictest0-21swapper/023:40:380
12160998435,39cyclictest19617-21/usr/sbin/munin19:15:520
12160998435,39cyclictest19617-21/usr/sbin/munin19:15:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional