You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-24 - 08:09
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.

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 rack4slot1.osadl.org (updated Mon Nov 24, 2025 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
638921520,3sleep10-21swapper/121:45:571
638921520,3sleep10-21swapper/121:45:571
708821470,2sleep10-21swapper/122:56:021
1061121390,3sleep110592-21ssh21:15:551
1061121390,3sleep110592-21ssh21:15:551
2683221090,4sleep30-21swapper/319:11:033
262702970,4sleep026050-21ls19:10:530
266552920,2sleep10-21swapper/122:41:471
286032850,10sleep333-21ksoftirqd/323:54:163
286032850,10sleep333-21ksoftirqd/323:54:163
104202850,3sleep30-21swapper/321:50:413
104202850,3sleep30-21swapper/321:50:413
171122690,3sleep00-21swapper/020:11:080
171122690,3sleep00-21swapper/020:11:080
225462670,3sleep10-21swapper/122:37:371
225462670,3sleep10-21swapper/122:37:371
184542670,2chrt0-21swapper/323:08:143
155202670,3sleep00-21swapper/021:55:570
2752099656,47cyclictest20294-21ssh22:35:550
2752099656,47cyclictest20294-21ssh22:35:550
90532630,3chrt0-21swapper/300:07:263
90532630,3chrt0-21swapper/300:07:263
246092620,2sleep00-21swapper/020:31:050
246092620,2sleep00-21swapper/020:31:050
231222620,2sleep20-21swapper/221:29:022
217502620,3chrt0-21swapper/300:21:043
2752199556,45cyclictest29211-21ssh21:35:551
2752199556,45cyclictest29211-21ssh21:35:551
42872530,4chrt0-21swapper/000:02:240
42872530,4chrt0-21swapper/000:02:240
98022520,3sleep00-21swapper/021:49:460
98022520,3sleep00-21swapper/021:49:460
36992520,3sleep30-21swapper/322:52:023
36992520,3sleep30-21swapper/322:52:023
272492520,2sleep227258-21ssh23:17:342
272492520,2sleep227258-21ssh23:17:342
2752299515,8cyclictest131rcu_preempt00:35:532
2752299515,8cyclictest131rcu_preempt00:35:532
244752510,3chrt0-21swapper/100:24:561
34942500,4sleep30-21swapper/300:37:083
34942500,4sleep30-21swapper/300:37:083
298752500,3sleep00-21swapper/022:45:560
298752500,3sleep00-21swapper/022:45:560
321772490,2sleep00-21swapper/022:13:210
321772490,2sleep00-21swapper/022:13:210
32162490,2sleep03318-21fschecks_time19:35:570
32162490,2sleep03318-21fschecks_time19:35:570
27522994929,13cyclictest27-21ksoftirqd/221:30:542
188272490,3sleep118824-21xargs20:16:071
188272490,3sleep118824-21xargs20:16:071
146502490,3sleep10-21swapper/121:55:051
146502490,3sleep10-21swapper/121:55:051
146502490,3sleep10-21swapper/121:55:051
73892480,3sleep30-21swapper/323:31:053
2752099481,41cyclictest24957-21rm22:40:540
223072470,3chrt0-21swapper/023:46:450
223072470,3chrt0-21swapper/023:46:450
19302470,3sleep20-21swapper/219:31:042
19302470,3sleep20-21swapper/219:31:042
7522460,3chrt0-21swapper/223:59:092
7522460,3chrt0-21swapper/223:59:092
27522994623,18cyclictest27-21ksoftirqd/221:10:552
2752099461,32cyclictest29671-21ssh23:20:580
2752099461,32cyclictest29671-21ssh23:20:580
234122460,3sleep30-21swapper/322:04:123
234122460,3sleep30-21swapper/322:04:123
67702450,2sleep06561-21/usr/sbin/munin23:30:590
40492450,4sleep10-21swapper/100:02:011
40492450,4sleep10-21swapper/100:02:011
327622450,3sleep20-21swapper/200:34:092
327622450,3sleep20-21swapper/200:34:092
299832450,4sleep00-21swapper/000:30:580
299832450,4sleep00-21swapper/000:30:580
2752299451,37cyclictest6275-21ssh22:20:552
2752199455,30cyclictest1787-21ssh22:50:541
2752199455,30cyclictest1787-21ssh22:50:541
144102450,2sleep30-21swapper/300:13:333
144102450,2sleep30-21swapper/300:13:333
2752099444,28cyclictest38850irq/55-eth021:15:530
2752099444,28cyclictest38850irq/55-eth021:15:530
2752099443,31cyclictest11212-21ssh23:35:520
2752099443,29cyclictest38850irq/55-eth023:10:550
2752099443,29cyclictest38850irq/55-eth023:10:550
34552420,3sleep10-21swapper/122:16:561
34552420,3sleep10-21swapper/122:16:561
275322420,3chrt0-21swapper/020:40:580
275322420,3chrt0-21swapper/020:40:580
166832420,3sleep30-21swapper/321:21:193
166832420,3sleep30-21swapper/321:21:193
158922420,3sleep30-21swapper/323:40:533
158922420,3sleep30-21swapper/323:40:533
100022420,2sleep110003-21sh22:24:511
2752099414,28cyclictest19884-21latency_hist20:20:500
23432410,3chrt2338-21ntpq22:16:020
23432410,3chrt2338-21ntpq22:16:020
69322400,3sleep30-21swapper/322:56:003
2752199407,26cyclictest24593-21ssh21:30:541
27521994032,6cyclictest0-21swapper/121:40:531
2752199392,30cyclictest1599-21rm00:35:541
2752199392,30cyclictest1599-21rm00:35:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional