You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-15 - 19:39
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 Apr 15, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304729911195,10cyclictest31780-21xargs10:40:231
30469991097,92cyclictest27938-21ssh12:23:250
304699910474,23cyclictest18461-21latency_hist08:03:110
304729910351,32cyclictest0-21swapper/110:48:081
304729910351,32cyclictest0-21swapper/110:48:081
304699910365,14cyclictest6940-21diskmemload09:58:300
3030929915,57sleep130343-21idleruntime-cro07:03:081
3047299943,54cyclictest18104-21apt-get12:08:211
3047299943,54cyclictest18104-21apt-get12:08:211
30469999374,13cyclictest2952-21systemd-journal09:05:340
30469999374,13cyclictest2952-21systemd-journal09:05:340
30475999250,35cyclictest0-21swapper/209:43:252
30475999250,35cyclictest0-21swapper/209:43:252
3047299928,64cyclictest21278-21apt-get12:13:221
30469999257,14cyclictest181rcu_preempt09:23:210
30469999155,27cyclictest10156-21latency_hist07:38:110
3047599903,39cyclictest22226-21grep09:28:442
30475999032,52cyclictest26873-21modprobe11:28:072
3047599902,36cyclictest13783-21ssh11:59:042
3047599902,36cyclictest13783-21ssh11:59:042
30475998946,36cyclictest0-21swapper/208:28:332
3047599892,37cyclictest32124-21grep08:43:272
3047599884,36cyclictest18085-21latency_hist11:13:102
30475998839,35cyclictest5016-21cat08:59:132
3046999882,76cyclictest20992-21modprobe10:23:070
3046999882,76cyclictest20992-21modprobe10:23:070
3048299877,44cyclictest0-21swapper/312:08:413
3048299877,44cyclictest0-21swapper/312:08:413
3047599875,35cyclictest1028-21grep09:48:332
30475998746,36cyclictest30454-21cyclictest12:13:102
30475998746,36cyclictest30454-21cyclictest12:13:102
3047599873,35cyclictest18400-21/usr/sbin/munin11:13:432
3047599873,35cyclictest18400-21/usr/sbin/munin11:13:432
3047599863,32cyclictest6986-21fschecks_time10:53:312
30475998623,55cyclictest14256-21kworker/u18:1+flush-179:012:13:272
30475998613,61cyclictest3763-21apt-get11:43:222
3046999863,31cyclictest26966-21latency_hist09:38:100
3047599854,35cyclictest352-21runrttasks07:03:242
3047599853,38cyclictest32746-21latency_hist11:38:102
3047599853,38cyclictest32746-21latency_hist11:38:102
3047599853,35cyclictest16569-21apt-config07:58:102
3047599852,37cyclictest4024-21apt-get07:18:362
3047599852,37cyclictest4024-21apt-get07:18:362
30472998563,15cyclictest5937-21diskmemload09:43:351
30472998563,15cyclictest5937-21diskmemload09:43:351
3047299853,21cyclictest3812-21ssh11:43:261
30469998563,16cyclictest25863-21vmstat12:18:480
30469998563,16cyclictest25863-21vmstat12:18:480
3047599845,36cyclictest31088-21timerandwakeup08:38:422
3047599845,36cyclictest31088-21timerandwakeup08:38:422
3047599843,40cyclictest352-21runrttasks09:54:062
3047599843,37cyclictest27400-21/usr/sbin/munin11:28:282
3047599843,35cyclictest27863-21/usr/sbin/munin12:23:162
3047599843,34cyclictest15509-21ssh12:03:202
3047599843,34cyclictest15509-21ssh12:03:202
3047599842,39cyclictest2451-21modprobe08:53:072
30469998445,29cyclictest0-21swapper/011:13:290
30469998445,29cyclictest0-21swapper/011:13:290
30475998344,33cyclictest6493-21fschecks_count09:03:292
30475998344,33cyclictest6493-21fschecks_count09:03:292
3047599834,37cyclictest509-21idleruntime07:08:332
3047599834,35cyclictest20197-21cpuspeed08:08:252
3047599834,35cyclictest16426-21unixbench_multi10:13:422
3047599833,39cyclictest19370-21timerwakeupswit08:03:442
3047599833,38cyclictest30242-21latency_hist10:38:122
3047599833,36cyclictest7330-21/usr/sbin/munin09:58:402
3047599833,36cyclictest5176-21cpu07:23:222
3047599833,36cyclictest5176-21cpu07:23:222
3047599833,35cyclictest30329-21/usr/sbin/munin10:40:162
3047599833,31cyclictest24090-21latency_hist11:23:092
30469998365,12cyclictest1-21systemd07:58:090
30469998360,16cyclictest21265-21latency_hist12:13:120
30469998360,16cyclictest21265-21latency_hist12:13:120
30469998359,18cyclictest5937-21diskmemload11:08:100
30469998359,18cyclictest5937-21diskmemload11:08:100
3047599824,38cyclictest21277-21ssh10:23:162
3047599824,35cyclictest8509-21cmp07:33:122
3047599824,35cyclictest8509-21cmp07:33:122
30475998236,37cyclictest0-21swapper/211:48:342
3047599823,38cyclictest26476-21/usr/sbin/munin08:24:002
3047599823,37cyclictest786-21/usr/sbin/munin10:43:272
3047599823,37cyclictest786-21/usr/sbin/munin10:43:272
3047599823,34cyclictest4019-21fschecks_time10:48:292
3047599823,32cyclictest352-21runrttasks12:30:002
3047599823,32cyclictest14031-21chrt11:04:522
3047599823,32cyclictest14031-21chrt11:04:522
3047599823,31cyclictest15179-21/usr/sbin/munin09:18:312
3047599823,25cyclictest9758-21ssh10:03:292
3047599822,40cyclictest17528-21runrttasks07:59:032
3047599822,35cyclictest2286-21sort07:13:322
3047599822,35cyclictest2286-21sort07:13:322
3047599822,24cyclictest27101-21apt-get09:38:182
30472998252,21cyclictest396-21unixbench_multi08:43:421
30472998230,26cyclictest32233-21munin-node07:17:321
30472998230,26cyclictest32233-21munin-node07:17:321
30469998252,22cyclictest544-21cron08:08:070
3047599819,44cyclictest0-21swapper/209:36:272
3047599814,33cyclictest3421-21latency_hist11:43:102
3047599813,35cyclictest14395-21unixbench_singl07:48:462
3047599813,34cyclictest23563-21latency_hist08:18:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional