You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-12 - 06:00
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 Jun 12, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3837991203,42cyclictest9531-21apt-get19:14:270
3837991203,42cyclictest9531-21apt-get19:14:270
3837991113,33cyclictest17854-21fschecks_time21:10:490
3837991113,26cyclictest3102-21ls23:29:180
38379911125,17cyclictest0-21swapper/023:14:180
3837991105,42cyclictest9739-21/usr/sbin/munin22:46:240
3837991103,37cyclictest3542-21unixbench_multi21:39:520
3837991102,29cyclictest23342-21grep19:54:520
3837991102,29cyclictest23342-21grep19:54:520
3837991093,31cyclictest4352-21unixbench_multi23:29:540
38379910830,11cyclictest0-21swapper/019:34:180
3837991082,29cyclictest31275-21mailstats00:15:520
3837991082,29cyclictest31275-21mailstats00:15:520
38379910744,55cyclictest7382-21cron19:09:360
38379910744,55cyclictest7382-21cron19:09:360
3837991073,31cyclictest24099-21sh21:19:530
3837991073,31cyclictest24099-21sh21:19:530
38379910634,8cyclictest0-21swapper/021:04:470
3837991062,36cyclictest5349-21apt19:04:150
38379910620,23cyclictest26000-21/usr/sbin/munin21:24:380
38429910529,38cyclictest0-21swapper/120:54:161
38379910536,8cyclictest0-21swapper/019:05:020
38379910433,12cyclictest0-21swapper/023:54:490
38379910433,12cyclictest0-21swapper/023:54:490
3837991043,24cyclictest6722-21/usr/sbin/munin22:39:530
38379910351,46cyclictest7649-21ssh21:47:500
3837991033,45cyclictest19178-21/usr/sbin/munin19:44:430
38379910333,15cyclictest2706-21latency_hist22:34:190
38379910333,15cyclictest2706-21latency_hist22:34:190
38379910327,11cyclictest0-21swapper/023:04:500
38379910326,11cyclictest0-21swapper/023:19:320
38379910324,23cyclictest20548-21cpu22:09:310
3837991032,38cyclictest20608-21latency_hist23:04:190
3837991032,35cyclictest5981-21latency_hist20:44:180
3837991032,34cyclictest11397-21fschecks_time19:19:370
38379910316,30cyclictest31960-21/usr/sbin/munin21:34:410
3837991023,38cyclictest29055-21modprobe22:24:150
3837991023,32cyclictest8007-21fschecks_time20:49:370
3837991023,32cyclictest6503-21fschecks_count23:34:370
3837991023,32cyclictest18039-21ssh23:54:190
38379910226,10cyclictest0-21swapper/019:34:510
38379910218,29cyclictest17666-21latency_hist22:59:190
38479910114,48cyclictest386-21ssh23:24:352
3837991014,33cyclictest32687-21ps20:24:480
3837991014,33cyclictest32687-21ps20:24:480
38379910136,8cyclictest0-21swapper/021:59:400
3837991013,41cyclictest10046-21switchtime23:39:500
3837991013,41cyclictest10046-21switchtime23:39:500
38379910133,60cyclictest0-21swapper/021:49:340
3837991013,35cyclictest29732-21grep21:29:500
3837991013,34cyclictest29483-21latency_hist23:19:190
3837991013,34cyclictest29483-21latency_hist23:19:190
38379910130,8cyclictest0-21swapper/022:49:490
38379910125,10cyclictest0-21swapper/000:04:410
3837991004,29cyclictest13007-21fschecks_time19:24:380
3837991003,33cyclictest20225-21cstates21:14:330
38379910029,10cyclictest0-21swapper/021:54:340
3837991002,32cyclictest17575-21/usr/sbin/munin19:39:400
3837991002,26cyclictest25360-21seq22:17:100
383799995,30cyclictest644-21/usr/sbin/munin00:19:410
383799993,38cyclictest2374-21systemd-journal22:09:150
383799993,38cyclictest11017-21/usr/sbin/munin20:59:510
383799993,36cyclictest30769-21fschecks_time20:19:380
383799993,34cyclictest22381-21latency_hist19:54:190
383799993,34cyclictest22381-21latency_hist19:54:190
383799992,34cyclictest30230-21cron20:19:160
383799992,32cyclictest29640-21fschecks_time22:24:380
3842999829,39cyclictest6141-21latency_hist23:34:191
383799985,34cyclictest24237-21fschecks_count19:59:360
383799983,35cyclictest3786-21timerwakeupswit22:34:530
383799983,34cyclictest26970-21/usr/sbin/munin00:09:490
383799983,30cyclictest1833-21chrt20:29:460
383799983,30cyclictest1833-21chrt20:29:460
383799983,27cyclictest352-21runrttasks23:47:050
3837999829,9cyclictest0-21swapper/023:59:520
3837999829,11cyclictest0-21swapper/020:04:510
3842999777,13cyclictest15672-21kworker/u17:0-rpciod22:34:501
3842999734,54cyclictest0-21swapper/121:19:531
3842999734,54cyclictest0-21swapper/121:19:531
383799973,38cyclictest9378-21cpu20:54:300
383799973,33cyclictest3819-21ssh00:24:350
383799972,39cyclictest7097-21grep20:45:090
3842999625,35cyclictest0-21swapper/121:04:341
383799953,35cyclictest352-21runrttasks20:34:410
383799943,32cyclictest27546-21fschecks_time20:09:370
3842999249,37cyclictest15112-21sh21:59:481
3842999246,36cyclictest0-21swapper/121:44:381
32902927,55sleep23380-21sed18:56:142
32902927,55sleep23380-21sed18:56:142
3842999153,23cyclictest297-21systemd-logind00:29:161
383799892,26cyclictest3903-21latency_hist18:59:200
383799892,26cyclictest3903-21latency_hist18:59:200
3847998865,16cyclictest7606-21sh23:35:322
384299883,68cyclictest30161-21apt-get00:14:301
384299883,68cyclictest30161-21apt-get00:14:301
3847998764,16cyclictest10725-21diskmemload23:14:182
3847998760,19cyclictest24415-21kernelversion19:59:402
3847998744,8cyclictest181rcu_preempt19:34:322
3842998760,18cyclictest29618-21latency_hist00:14:181
3842998732,49cyclictest0-21swapper/121:35:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional