You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 11:09
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 rackeslot8.osadl.org (updated Thu Dec 04, 2025 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2671178992421,1cyclictest0-21swapper/319:25:473
2671178992320,1cyclictest0-21swapper/321:45:203
2671178992320,1cyclictest0-21swapper/300:00:003
2671178992219,1cyclictest0-21swapper/319:45:003
2671178992017,1cyclictest0-21swapper/323:41:403
2671178992017,1cyclictest0-21swapper/321:15:013
2671178991917,0cyclictest0-21swapper/300:15:183
2671178991916,1cyclictest0-21swapper/323:20:003
2671178991916,1cyclictest0-21swapper/323:14:593
2671178991916,1cyclictest0-21swapper/321:30:003
267117899191,14cyclictest2859847-21taskset21:30:233
267117899191,13cyclictest2698409-21taskset19:30:133
267117899188,7cyclictest31165662sleep300:12:193
267117899188,7cyclictest31165662sleep300:12:183
267117899188,6cyclictest30450882sleep323:28:433
2671178991815,1cyclictest0-21swapper/322:21:423
2671178991815,1cyclictest0-21swapper/320:05:253
267117899181,14cyclictest2902170-21chrt21:59:493
267117899181,13cyclictest2754160-21turbostat20:15:003
267117899181,12cyclictest2671332-21taskset19:10:013
267117899180,13cyclictest2785482-21taskset20:40:143
2671178991714,1cyclictest0-21swapper/323:50:173
2671178991714,1cyclictest0-21swapper/323:35:003
2671178991714,1cyclictest0-21swapper/322:00:143
2671178991714,1cyclictest0-21swapper/322:00:133
2671178991714,1cyclictest0-21swapper/320:21:423
2671178991714,1cyclictest0-21swapper/300:26:463
267117899171,12cyclictest3060618-21taskset23:37:353
267117899171,12cyclictest2926070-21taskset22:14:553
267117899170,12cyclictest2870392-21taskset21:40:013
267117899166,7cyclictest30133602sleep323:09:113
2671178991614,1cyclictest0-21swapper/300:25:003
2671178991613,1cyclictest0-21swapper/323:00:163
2671178991613,1cyclictest0-21swapper/322:55:183
2671178991613,1cyclictest0-21swapper/322:41:423
2671178991613,1cyclictest0-21swapper/321:35:163
2671178991613,1cyclictest0-21swapper/321:15:223
267117899161,12cyclictest3149716-21taskset00:34:223
267117899161,12cyclictest3102334-21chrt00:05:163
267117899161,12cyclictest3076248-21taskset23:46:573
267117899161,12cyclictest3036274-21chrt23:21:403
267117899161,12cyclictest2988859-21taskset22:52:463
267117899161,12cyclictest2956456-21chrt22:31:233
267117899161,12cyclictest2926381-21taskset22:15:033
267117899161,12cyclictest2886619-21taskset21:50:073
267117899161,12cyclictest2822128-21taskset21:07:233
267117899161,12cyclictest2809559-21taskset20:55:283
267117899161,12cyclictest2797404-21taskset20:48:553
267117899161,12cyclictest2778644-21taskset20:31:203
267117899161,12cyclictest2729708-21chrt19:55:133
267117899161,12cyclictest2729708-21chrt19:55:133
267117899161,12cyclictest2722356-21taskset19:45:193
267117899161,11cyclictest2723495-21taskset19:50:123
267117899160,12cyclictest2964121-21taskset22:35:473
267117899160,12cyclictest2838492-21chrt21:20:053
267117899160,12cyclictest2772741-21taskset20:29:563
267117899160,12cyclictest2735891-21chrt20:00:063
31017652151,5sleep23101817-21munin-run00:05:012
28545132151,10sleep12854474-21/usr/sbin/munin21:30:141
267117899156,6cyclictest31576802sleep300:39:163
2671178991513,0cyclictest0-21swapper/300:00:293
2671178991512,1cyclictest0-21swapper/320:15:183
267117899151,11cyclictest2948280-21taskset22:26:053
267117899151,11cyclictest2803357-21taskset20:50:363
267117899151,11cyclictest2710242-21taskset19:36:223
267117899151,11cyclictest2685237-21taskset19:15:433
267117899150,12cyclictest2974258-21chrt22:45:093
267117899150,12cyclictest2815783-21taskset21:00:263
267117899150,12cyclictest2784776-21chrt20:35:373
267117899150,11cyclictest2910243-21sleep22:09:553
267117899150,11cyclictest2910243-21sleep22:09:553
267117899140,11cyclictest2691573-21taskset19:21:113
147598140,9rtkit-daemon2797535-21systemd-run20:50:010
147598140,10rtkit-daemon2924376-21ssh22:10:540
147598130,9rtkit-daemon2992499-21tr22:55:180
30544152121,8sleep23053982-21/usr/sbin/munin23:35:182
26726992120,9sleep22674581-21tr19:10:172
147598120,5rtkit-daemon2948890-21ssh22:27:320
29143842110,5sleep22822340-21diskmemload22:05:222
29143842110,5sleep22822340-21diskmemload22:05:222
27670112110,8sleep02767133-21hddtemp_smartct20:25:130
27547782110,1sleep00-21swapper/020:15:150
26846912110,8sleep22679623-21/usr/sbin/munin19:15:222
26773042111,6sleep01-21systemd19:15:000
147598110,7rtkit-daemon720-21snmpd22:41:050
147598110,7rtkit-daemon2716735-21cron19:49:551
147598110,3rtkit-daemon3020025-21ssh23:11:001
147598110,2rtkit-daemon214-21plymouthd22:51:550
31571862101,2sleep00-21swapper/000:38:120
30998792100,1sleep12822340-21diskmemload00:00:381
30920192100,7sleep23092029-21ssh23:55:542
30383642100,7sleep03038607-21cut23:25:150
29742662101,5sleep02974304-21apt-get22:45:120
29254012100,7sleep12925409-21ssh22:13:231
28536272100,7sleep12845925-21kworker/u16:1+rpciod21:28:461
27977832101,6sleep02797831-21/usr/sbin/munin20:50:130
27429302100,2sleep22743955-21cut20:05:192
147598100,7rtkit-daemon2677474-21munin-node00:33:450
147598100,6rtkit-daemon3051856-21ssh23:30:421
147598100,6rtkit-daemon3031270-21irqrtprio23:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional