You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-10 - 05:43
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 Wed Jun 10, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68319911321,46cyclictest0-21swapper/021:05:300
68319911321,46cyclictest0-21swapper/021:05:300
6842999854,9cyclictest181rcu_preempt21:05:292
6842999854,9cyclictest181rcu_preempt21:05:292
683699973,47cyclictest25437-21apt-get19:54:341
6831999765,27cyclictest2628-21kworker/u19:3-events_unbound23:54:490
6831999725,28cyclictest11623-21ntp_states20:51:060
6831999725,28cyclictest11623-21ntp_states20:51:060
540929710,61sleep25461-21expr18:54:442
683699966,28cyclictest1375-21ssh23:19:341
6842999572,16cyclictest6819-21cyclictest22:40:002
6831999414,63cyclictest10060-21apt-get23:34:380
6836999348,37cyclictest0-21swapper/121:05:371
6836999348,37cyclictest0-21swapper/121:05:371
6831999317,44cyclictest1180-21/usr/sbin/munin22:24:470
64952936,64sleep10-21swapper/118:57:041
6831999259,26cyclictest21745-21latency_hist22:59:270
6831999223,30cyclictest22191-21apt-get19:44:390
6836999150,34cyclictest0-21swapper/123:31:541
683699913,37cyclictest31498-21latency_hist00:09:271
683699913,37cyclictest31498-21latency_hist00:09:271
6831999120,28cyclictest24905-21/usr/sbin/munin23:04:410
6836999033,52cyclictest0-21swapper/122:14:261
6831999022,29cyclictest25302-21/usr/sbin/munin22:10:010
6831999018,38cyclictest4178-21taskset00:17:360
6831998914,44cyclictest28239-21interrupts23:09:490
6831998914,44cyclictest28239-21interrupts23:09:490
597328941,26sleep015-21ksoftirqd/018:55:070
6842998871,11cyclictest898-21cpuspeed22:24:392
683699883,30cyclictest13923-21cron20:59:231
6831998824,28cyclictest9113-21apt-get20:44:390
6831998813,42cyclictest8366-21cat23:30:000
6842998766,14cyclictest13949-21diskmemload21:45:012
683699874,37cyclictest30835-21ntpq22:19:521
683699874,37cyclictest30835-21ntpq22:19:521
683699873,35cyclictest352-21runrttasks20:03:031
683699864,40cyclictest25293-21ssh23:59:241
683699864,37cyclictest11977-21latency_hist21:49:271
683699864,35cyclictest12295-21grep21:49:441
683699863,39cyclictest989-21timerwakeupswit21:30:001
683699863,36cyclictest6760-21find21:39:561
683699863,36cyclictest6760-21find21:39:561
683699863,36cyclictest24577-21find19:49:581
683699863,35cyclictest10657-21latency_hist19:09:271
6831998625,35cyclictest15902-21seq19:24:460
6831998625,35cyclictest15902-21seq19:24:460
6831998624,20cyclictest31387-21awk23:14:510
6831998612,48cyclictest13985-21systemd-run20:59:250
6842998553,10cyclictest181rcu_preempt00:16:452
683699854,35cyclictest18822-21/usr/sbin/munin22:54:561
683699854,34cyclictest7623-21sendmail_mailqu18:59:551
683699853,39cyclictest2374-21systemd-journal22:34:241
683699853,38cyclictest13153-21cut22:44:481
683699853,38cyclictest12631-21wc19:14:401
6831998523,18cyclictest352-21runrttasks22:34:350
6831998513,54cyclictest9825-21apt-get22:39:350
6831998510,54cyclictest6839-21ssh23:28:510
6842998448,11cyclictest181rcu_preempt20:44:262
683699845,37cyclictest30092-21sh22:19:271
683699844,38cyclictest10612-21apt-get23:34:571
683699844,37cyclictest31595-21/usr/sbin/munin00:09:461
683699844,35cyclictest26759-21fschecks_count21:19:501
683699844,33cyclictest352-21runrttasks22:28:201
683699843,28cyclictest7229-21modprobe20:39:241
683699843,18cyclictest31259-21unixbench_singl20:10:001
683699842,42cyclictest26720-21taskset00:00:021
6831998462,15cyclictest20848-21apt-key22:04:270
683199843,67cyclictest30550-21unixbench_singl21:25:010
6831998425,37cyclictest24642-21timerwakeupswit19:49:590
6831998424,24cyclictest28337-21/usr/sbin/munin22:15:010
6831998419,30cyclictest2638-21/usr/sbin/munin20:24:410
6831998418,28cyclictest17247-21ssh21:58:040
6831998413,25cyclictest0-21swapper/023:24:080
6842998362,13cyclictest4350-21cpuspeed20:29:402
683699834,36cyclictest7047-21sendmail23:29:241
683699834,34cyclictest15805-21cpuspeed19:24:421
683699834,34cyclictest15805-21cpuspeed19:24:421
683699834,33cyclictest352-21runrttasks20:25:021
683699833,39cyclictest4905-21grep20:29:561
683699833,39cyclictest21895-21tune2fs22:05:421
683699833,35cyclictest8662-21taskset00:24:491
683699833,30cyclictest15462-21modprobe19:24:241
6831998329,21cyclictest20744-21/usr/sbin/munin19:39:430
6831998323,24cyclictest10915-21rm21:47:110
6831998320,22cyclictest6988-21/usr/sbin/munin18:59:470
6831998318,23cyclictest27998-21ssh00:03:360
6831998317,28cyclictest12811-21/usr/sbin/munin22:44:350
6831998317,27cyclictest12641-21/usr/sbin/munin21:49:520
6831998315,29cyclictest26796-21basename19:59:240
6831998312,41cyclictest10773-21ssh00:29:190
6842998259,8cyclictest181rcu_preempt21:15:362
6842998259,17cyclictest30592-21fschecks_time22:19:462
6842998259,17cyclictest30592-21fschecks_time22:19:462
6842998215,47cyclictest21264-21apt-get22:04:422
683699824,35cyclictest22143-21fschecks_time22:59:461
683699824,35cyclictest22143-21fschecks_time22:59:461
683699823,39cyclictest14174-21ntpq23:39:521
683699823,37cyclictest6806-21/usr/sbin/munin22:34:521
683699823,37cyclictest18290-21tail19:30:001
683699823,37cyclictest18290-21tail19:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional