You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-26 - 14:27
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 Sun Apr 26, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
881991303,110cyclictest16562-21apt-get23:02:431
8769912258,57cyclictest863-21cyclictest22:51:300
8769911660,47cyclictest31271-21ssh23:27:280
876991163,46cyclictest875-21sort19:02:300
8769911357,51cyclictest0-21swapper/021:17:290
8769911357,51cyclictest0-21swapper/021:17:290
8769911157,47cyclictest0-21swapper/022:38:020
8769911156,48cyclictest0-21swapper/000:12:500
876991094,10cyclictest19537-21apt-get23:07:380
876991094,10cyclictest19537-21apt-get23:07:380
881991073,94cyclictest13602-21munin-run23:52:261
881991073,94cyclictest13602-21munin-run23:52:261
876991073,22cyclictest339-21apt-get21:42:380
876991063,28cyclictest19649-21latency_hist00:02:280
876991053,31cyclictest6369-21apt-get21:52:380
876991043,31cyclictest7934-21sh23:42:390
876991043,31cyclictest7934-21sh23:42:390
876991043,29cyclictest1066-21apt22:37:250
8769910243,52cyclictest25641-21cstates23:17:430
876991012,22cyclictest2249-21/usr/sbin/munin00:27:370
8769910047,45cyclictest0-21swapper/021:07:250
8769910019,21cyclictest19205-21sh21:19:290
87699994,28cyclictest16740-21sed23:57:280
87699993,34cyclictest352-21runrttasks23:03:320
87699993,11cyclictest31738-21apt-get00:22:370
876999921,23cyclictest2138-21sh23:32:430
876999921,23cyclictest2138-21sh23:32:430
87699984,32cyclictest25440-21modprobe20:17:250
87699983,32cyclictest10662-21runrttasks19:29:330
87699983,26cyclictest3356-21sh21:47:370
87699983,24cyclictest11737-21ntpq21:07:580
87699983,22cyclictest10476-21/usr/sbin/munin21:58:150
87699982,39cyclictest26713-21cstates21:32:420
87699974,31cyclictest19135-21tune2fs22:12:480
87699973,23cyclictest29593-21switchtime00:17:590
87699973,21cyclictest11465-21/usr/sbin/munin23:47:530
87699973,21cyclictest11465-21/usr/sbin/munin23:47:530
87699965,33cyclictest24182-21taskset21:27:550
87699963,30cyclictest25759-21ls22:23:020
876999616,12cyclictest0-21swapper/020:52:270
876999616,12cyclictest0-21swapper/020:52:270
87699954,36cyclictest13924-21awk22:57:540
87699954,36cyclictest13924-21awk22:57:540
876999536,51cyclictest0-21swapper/000:12:280
876999536,51cyclictest0-21swapper/000:12:280
87699953,38cyclictest7301-21rm23:41:370
87699953,35cyclictest28662-21latency_hist20:27:260
87699953,30cyclictest27265-21latency_hist20:22:290
87699953,29cyclictest9290-21latency_hist19:27:280
87699953,29cyclictest9290-21latency_hist19:27:280
876999531,58cyclictest0-21swapper/023:12:460
87699952,40cyclictest1899-21latency_hist23:32:290
87699952,30cyclictest32563-21latency_hist21:42:270
87699952,30cyclictest32563-21latency_hist21:42:270
87699952,30cyclictest32563-21latency_hist21:42:270
88199943,64cyclictest12822-21apt-get22:02:431
87699944,36cyclictest19676-21snmpd22:44:280
87699944,36cyclictest19676-21snmpd22:44:280
87699944,32cyclictest27903-21cpuspeed22:27:420
87699944,27cyclictest5082-21fschecks_time20:53:100
87699944,27cyclictest5082-21fschecks_time20:53:100
87699943,33cyclictest1204-21sh19:02:440
87699943,32cyclictest1264-21latency_hist20:42:280
87699943,32cyclictest1264-21latency_hist20:42:280
87699943,27cyclictest21542-21taskset00:04:480
87699942,32cyclictest16112-21fschecks_time22:07:470
87699934,37cyclictest4748-21cpu19:12:420
87699934,37cyclictest4748-21cpu19:12:420
87699934,29cyclictest22385-21ntpq22:17:540
87699934,29cyclictest22385-21ntpq22:17:540
87699934,27cyclictest6720-21/usr/sbin/munin20:57:500
87699933,33cyclictest20637-21cpu21:22:430
87699933,33cyclictest20637-21cpu21:22:430
87699933,27cyclictest11438-21tune2fs19:32:480
87699933,24cyclictest14409-21chrt19:42:370
876999317,21cyclictest16325-21cat19:47:480
13892930,3sleep10-21swapper/119:02:491
88399923,45cyclictest1060-21taskset19:02:372
87699924,25cyclictest20589-21modprobe20:02:250
87699924,25cyclictest20589-21modprobe20:02:250
87699924,25cyclictest12781-21/usr/sbin/munin19:38:040
87699923,33cyclictest15503-21latency_hist22:07:280
87699923,31cyclictest20846-21/usr/sbin/munin20:02:510
87699923,28cyclictest10451-21/usr/sbin/munin22:52:430
87699923,28cyclictest10451-21/usr/sbin/munin22:52:430
87699923,25cyclictest32103-21grep20:37:280
87699923,25cyclictest32103-21grep20:37:280
5772926,65sleep20-21swapper/219:00:352
883999170,15cyclictest23068-21fschecks_time00:07:472
883999170,15cyclictest23068-21fschecks_time00:07:472
883999152,32cyclictest0-21swapper/223:27:252
87699913,31cyclictest1308-21/usr/sbin/munin20:42:500
87699913,31cyclictest1308-21/usr/sbin/munin20:42:500
876999117,64cyclictest0-21swapper/020:12:290
883999048,35cyclictest863-21cyclictest21:17:202
883999048,35cyclictest863-21cyclictest21:17:202
883999048,35cyclictest0-21swapper/221:52:372
881999068,16cyclictest7276-21unixbench_singl19:18:031
881999068,16cyclictest7276-21unixbench_singl19:18:031
87699903,28cyclictest18570-21grep19:53:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional