You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-22 - 08:34
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 Jul 22, 2026 00:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9871213010,34sleep30-21swapper/318:52:503
10602211110,68sleep010614-21true18:56:340
10713991103,63cyclictest10482-21apt-get22:31:522
1038721066,16sleep10-21swapper/118:54:181
10713991023,42cyclictest22499-21/usr/sbin/munin22:51:492
10713991023,42cyclictest22499-21/usr/sbin/munin22:51:492
1071399998,28cyclictest1944-21apt-get23:11:542
10713999756,35cyclictest9023-21apt-get21:36:472
210902960,7sleep2381ktimers/219:26:492
10713999644,46cyclictest26439-21kworker/u17:1-xprtiod21:26:352
10713999630,13cyclictest0-21swapper/220:36:492
1071399953,68cyclictest352-21runrttasks22:06:492
94332949,60sleep29439-21/usr/sbin/munin18:52:242
10713999430,57cyclictest0-21swapper/219:11:552
10713999427,16cyclictest0-21swapper/219:57:002
10697999458,17cyclictest181rcu_preempt23:39:280
10713999343,42cyclictest0-21swapper/221:11:312
1071399933,40cyclictest15089-21ntp_offset19:07:002
1071399933,36cyclictest13693-21sh21:42:152
1071399933,33cyclictest9810-21fschecks_time20:31:552
1071399933,30cyclictest7229-21grep20:22:062
1071399923,59cyclictest18240-21ssh20:57:122
10713999229,19cyclictest0-21swapper/223:11:352
10713999224,9cyclictest0-21swapper/221:47:102
10713999224,9cyclictest0-21swapper/221:47:102
10713999118,29cyclictest4669-21cat22:21:572
10697999156,30cyclictest22659-21/usr/sbin/munin23:47:080
10713999048,18cyclictest28865-21ssh23:02:042
10713999042,43cyclictest10688-21cyclictest18:56:582
1071399903,35cyclictest16001-21/usr/sbin/munin20:52:112
1071399903,33cyclictest28983-21latency_hist19:51:352
1071399903,32cyclictest13019-21fschecks_time20:41:552
1071399903,32cyclictest13019-21fschecks_time20:41:552
10713999032,9cyclictest0-21swapper/222:12:082
1071399893,41cyclictest29995-21cstates21:16:492
1071399893,34cyclictest3524-21ssh21:26:502
1071399893,28cyclictest29075-21/usr/sbin/munin19:52:042
1071399893,28cyclictest25195-21ps22:02:052
10713998930,11cyclictest0-21swapper/223:57:072
1071399892,34cyclictest22805-21ls23:46:492
1071399892,30cyclictest21143-21fschecks_count21:01:542
10703998966,15cyclictest15541-21/usr/sbin/munin21:47:081
10703998966,15cyclictest15541-21/usr/sbin/munin21:47:081
1071399883,36cyclictest20243-21timerwakeupswit19:22:082
1071399883,32cyclictest4169-21latency_hist22:21:352
1071399883,28cyclictest26097-21tune2fs19:41:552
1071399883,24cyclictest14592-21fschecks_count20:46:542
10713998825,12cyclictest0-21swapper/200:17:062
1071399882,29cyclictest25138-21unixbench_multi19:37:062
1071399882,29cyclictest25138-21unixbench_multi19:37:062
1071399882,28cyclictest31837-21fschecks_time00:01:552
10703998872,11cyclictest5740-21ssh21:30:431
10697998865,16cyclictest0-21swapper/023:51:490
1071399873,33cyclictest16529-21cstates22:41:502
1071399873,30cyclictest10127-21grep22:31:342
1071399873,29cyclictest13686-21grep00:26:342
1071399872,34cyclictest5115-21grep20:16:572
10713998723,16cyclictest0-21swapper/221:32:082
10713998641,37cyclictest0-21swapper/223:52:082
1071399863,35cyclictest22013-21munin-run22:51:312
1071399863,31cyclictest2284-21fschecks_count00:06:522
1071399863,31cyclictest19678-21/usr/sbin/munin23:41:482
1071399863,29cyclictest14033-21fschecks_count23:31:542
1071399863,26cyclictest3368-21fschecks_time20:11:562
1071399863,25cyclictest22389-21wc21:57:072
1071399863,25cyclictest22389-21wc21:57:072
10713998629,12cyclictest0-21swapper/219:01:392
10713998624,11cyclictest0-21swapper/219:31:562
10703998665,15cyclictest4593-21fschecks_time22:21:561
10703998660,18cyclictest1-21systemd22:49:421
10697998642,12cyclictest10688-21cyclictest20:02:030
10697998642,12cyclictest10688-21cyclictest20:02:030
1071399854,27cyclictest13993-21ntp_kernel_err22:36:592
1071399853,38cyclictest1689-21fschecks_count20:06:542
1071399853,38cyclictest1689-21fschecks_count20:06:542
1071399853,35cyclictest9957-21ssh23:25:032
1071399853,33cyclictest10816-21/usr/sbin/munin23:26:492
1071399853,33cyclictest10816-21/usr/sbin/munin23:26:492
1071399853,31cyclictest5958-21timerwakeupswit00:12:092
1071399853,31cyclictest17785-21unixbench_multi23:37:092
1071399853,30cyclictest7927-21/usr/sbin/munin20:26:512
1071399853,30cyclictest5402-21latency23:16:572
1071399852,28cyclictest18197-21latency19:16:572
10697998566,14cyclictest3703-21fschecks_time21:26:560
1071399843,31cyclictest19576-21grep21:52:122
1071399842,38cyclictest29379-21rm21:16:052
1071399842,36cyclictest26627-21ssh22:57:522
10703998465,13cyclictest2157-21switchtime22:17:091
1071399833,33cyclictest585-21switchtime20:02:082
1071399833,33cyclictest585-21switchtime20:02:082
10697998356,18cyclictest20452-21unixbench_singl22:47:120
10697998243,12cyclictest20450-21kworker/u18:1-nfsiod22:13:250
10697998241,11cyclictest58-21kcompactd022:17:060
10697998239,29cyclictest22402-21kworker/u19:2-nfsiod21:35:060
1070399813,51cyclictest17929-21apt-get20:57:021
10697998164,12cyclictest20278-21unixbench_multi19:22:080
10703998067,9cyclictest5513-21kworker/u19:1-events_unbound23:17:061
10703998065,9cyclictest973-21kworker/u18:122:16:311
10703998063,11cyclictest300-21rs:main1
10703998055,18cyclictest17670-21apt-key20:56:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional