You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-13 - 13:55
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 Mon Apr 13, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2373021578,127sleep123784-21tr18:59:021
2373021578,127sleep123784-21tr18:59:021
24620991093,44cyclictest15284-21fschecks_time23:18:392
246209910037,56cyclictest3486-21needreboot19:34:562
23325210011,58sleep223393-21fschecks_time18:58:462
23325210011,58sleep223393-21fschecks_time18:58:462
24620999951,41cyclictest13394-21kworker/u17:2-xprtiod23:28:452
24620999836,54cyclictest0-21swapper/223:54:502
24620999713,34cyclictest22399-21apt-config20:33:222
24620999641,7cyclictest0-21swapper/221:58:512
24620999635,54cyclictest352-21runrttasks21:58:212
2462099963,37cyclictest13475-21cat20:03:532
2462099963,37cyclictest13475-21cat20:03:532
24616999676,11cyclictest21169-21if_err_eth000:23:421
24620999536,11cyclictest0-21swapper/221:43:472
2462099953,39cyclictest10746-21latency_hist19:58:202
2462099946,40cyclictest6132-21taskset21:13:482
2462099943,35cyclictest12147-21fschecks_count21:23:402
24620999417,30cyclictest11692-21systemd-run00:08:182
24613999419,46cyclictest15-21ksoftirqd/023:33:320
24613999419,46cyclictest15-21ksoftirqd/023:33:320
24620999336,11cyclictest0-21swapper/200:08:502
2462099933,34cyclictest22862-21fschecks_time20:34:312
24620999326,11cyclictest0-21swapper/222:28:192
24620999240,46cyclictest0-21swapper/221:48:402
2462099923,35cyclictest989-21grep23:48:532
2462099923,35cyclictest989-21grep23:48:532
2462099923,35cyclictest16010-21df20:13:362
2462099923,34cyclictest29974-21latency_hist19:18:212
2462099922,37cyclictest30810-21fschecks_count20:58:392
2462099922,33cyclictest26884-21kworker/u17:1+xprtiod00:23:432
24616999270,15cyclictest24600-21cyclictest19:43:211
2462099913,32cyclictest1549-21grep19:29:342
2462099912,39cyclictest3540-21ps21:08:522
2462099912,39cyclictest3540-21ps21:08:522
2462099912,36cyclictest29702-21cat22:48:212
2462099912,36cyclictest29702-21cat22:48:212
24620999034,13cyclictest0-21swapper/222:58:422
2462099893,36cyclictest27005-21fschecks_count19:08:412
2462099893,32cyclictest5828-21latency_hist22:08:202
2462099893,32cyclictest5828-21latency_hist22:08:202
24620998929,11cyclictest0-21swapper/223:08:382
2462099892,40cyclictest14990-21timerandwakeup20:08:532
2462699882,37cyclictest23897-21taskset23:33:353
2462699882,37cyclictest23897-21taskset23:33:353
2462099883,35cyclictest29298-21latency_hist23:43:192
2462099883,35cyclictest18809-21latency_hist20:23:202
2462099883,35cyclictest12016-21/usr/sbin/munin23:13:512
2462099883,34cyclictest352-21runrttasks20:25:492
24616998862,8cyclictest31-21ksoftirqd/123:12:311
24620998735,11cyclictest0-21swapper/222:23:182
2462099873,35cyclictest6687-21ssh23:58:462
2462099873,29cyclictest7030-21timerwakeupswit19:43:552
2462099872,32cyclictest6688-21/usr/sbin/munin22:08:462
2462099872,32cyclictest6688-21/usr/sbin/munin22:08:462
2462099863,41cyclictest30582-21/usr/sbin/munin22:48:522
2462099863,36cyclictest29195-21fschecks_count20:53:392
24620998631,10cyclictest0-21swapper/200:13:412
2461399855,35cyclictest15-21ksoftirqd/019:03:310
2461399855,35cyclictest15-21ksoftirqd/019:03:310
267822840,15sleep0161ktimers/021:48:350
24616998451,10cyclictest181rcu_preempt22:43:211
2462099833,33cyclictest8749-21latency_hist23:08:202
24620998262,13cyclictest31978-21diskmemload21:38:362
24620998262,13cyclictest31978-21diskmemload21:38:362
24620998259,14cyclictest2952-21systemd-journal19:06:362
24620998259,14cyclictest2952-21systemd-journal19:06:362
2462099823,39cyclictest392-21/usr/sbin/munin21:03:462
24620998212,33cyclictest30701-21awk23:43:562
24620998212,33cyclictest30701-21awk23:43:562
24616998267,8cyclictest0-21swapper/123:03:211
24613998267,10cyclictest24600-21cyclictest23:30:210
40482810,4sleep1301ktimers/122:03:531
40482810,4sleep1301ktimers/122:03:531
24613998162,13cyclictest9240-21cstates21:19:020
24613998160,15cyclictest4139-21timerwakeupswit22:03:540
24613998160,15cyclictest4139-21timerwakeupswit22:03:540
2462099803,39cyclictest352-21runrttasks23:34:222
2462099803,39cyclictest352-21runrttasks23:34:222
24620998032,9cyclictest0-21swapper/200:18:482
24620998032,9cyclictest0-21swapper/200:18:482
24616998047,9cyclictest181rcu_preempt22:24:551
24613998055,18cyclictest13624-21ssh21:25:410
24613998040,12cyclictest181rcu_preempt21:13:330
2462099793,35cyclictest21544-21memory22:33:452
24616997959,14cyclictest14718-21latency_hist00:13:201
24616997954,7cyclictest181rcu_preempt23:56:341
24616997941,7cyclictest181rcu_preempt19:08:431
2462099783,45cyclictest26554-21modprobe22:43:172
2462099783,45cyclictest18346-21cut22:28:392
24616997857,15cyclictest18055-21/usr/sbin/munin22:28:451
24613997857,15cyclictest14668-21latency_hist22:23:190
24613997848,21cyclictest20413-21cron20:28:180
24620997751,9cyclictest181rcu_preempt00:30:142
24616997758,13cyclictest24500-21sh00:28:531
24616997757,15cyclictest11698-21sh00:08:201
24616997757,14cyclictest31849-21fschecks_count19:23:381
24616997654,16cyclictest27608-21fschecks_time20:48:401
24616997654,16cyclictest27608-21fschecks_time20:48:401
24616997634,31cyclictest14642-21modprobe23:18:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional