You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 14:43
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 rackaslot8.osadl.org (updated Thu Dec 04, 2025 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45262296262,21sleep20-21swapper/219:09:392
45102285252,21sleep30-21swapper/319:09:283
42052279249,19sleep10-21swapper/119:05:481
42042259225,22sleep00-21swapper/019:05:470
139322680,0sleep10-21swapper/120:40:141
156062620,0sleep10-21swapper/122:05:241
23162610,0sleep30-21swapper/321:35:303
157972600,0sleep20-21swapper/223:31:142
12612600,0sleep00-21swapper/022:39:220
11872570,0sleep20-21swapper/223:00:182
69872550,0sleep00-21swapper/023:25:190
176382540,0sleep20-21swapper/200:17:152
114852530,0sleep10-21swapper/122:24:541
161462500,0sleep00-21swapper/022:05:460
245012220,0sleep00-21swapper/023:37:030
249612190,0sleep20-21swapper/221:50:222
238352160,0sleep00-21swapper/023:58:550
114952160,0sleep10-21swapper/123:29:051
275252140,0sleep00-21swapper/023:18:020
250222140,0sleep10-21swapper/119:50:211
240952140,0sleep30-21swapper/323:59:103
467199124,5cyclictest34-21ksoftirqd/321:30:223
4671991110,1cyclictest34-21ksoftirqd/319:55:013
4671991110,1cyclictest331rcuc/319:15:023
4671991110,1cyclictest331rcuc/319:15:023
466699111,9cyclictest28969-21grep23:40:172
202182110,0sleep00-21swapper/023:35:000
467199109,1cyclictest34-21ksoftirqd/320:15:013
467199101,2cyclictest34-21ksoftirqd/322:55:013
466299106,3cyclictest6376-21sed20:20:241
303272100,0chrt0-21swapper/121:54:591
120282100,1sleep00-21swapper/022:25:080
46719998,1cyclictest34-21ksoftirqd/323:10:013
46719998,1cyclictest34-21ksoftirqd/322:25:013
46719998,1cyclictest34-21ksoftirqd/321:20:013
46719998,1cyclictest34-21ksoftirqd/320:05:013
46719998,1cyclictest34-21ksoftirqd/300:24:593
46719998,1cyclictest34-21ksoftirqd/300:00:013
46719997,2cyclictest34-21ksoftirqd/322:35:013
46719993,4cyclictest34-21ksoftirqd/322:17:353
46719993,4cyclictest34-21ksoftirqd/322:13:503
46719993,4cyclictest34-21ksoftirqd/320:28:123
46719992,4cyclictest34-21ksoftirqd/323:25:093
46719992,4cyclictest34-21ksoftirqd/322:45:193
46719991,4cyclictest0-21swapper/322:40:073
46669995,3cyclictest19982-21systemd-journal22:07:052
46609994,3cyclictest19982-21systemd-journal20:38:380
26204290,1sleep10-21swapper/121:30:181
25229290,0sleep20-21swapper/221:05:132
6688280,1sleep20-21swapper/221:39:172
46719987,1cyclictest34-21ksoftirqd/323:40:003
46719987,1cyclictest34-21ksoftirqd/322:57:593
46719987,1cyclictest34-21ksoftirqd/322:40:013
46719987,1cyclictest331rcuc/320:20:153
46719985,2cyclictest34-21ksoftirqd/322:10:003
46719985,2cyclictest34-21ksoftirqd/321:15:013
46719985,2cyclictest34-21ksoftirqd/319:15:023
46719983,3cyclictest34-21ksoftirqd/319:56:293
46719982,4cyclictest34-21ksoftirqd/323:43:213
46719982,4cyclictest34-21ksoftirqd/323:23:213
46719982,4cyclictest34-21ksoftirqd/323:15:203
46719982,4cyclictest34-21ksoftirqd/322:26:433
46719982,4cyclictest34-21ksoftirqd/321:22:053
46719982,4cyclictest34-21ksoftirqd/321:05:343
46719982,4cyclictest34-21ksoftirqd/300:12:403
46719982,4cyclictest331rcuc/322:02:083
46719981,5cyclictest34-21ksoftirqd/323:54:403
46719981,5cyclictest34-21ksoftirqd/323:45:123
46719981,5cyclictest34-21ksoftirqd/323:30:303
46719981,5cyclictest34-21ksoftirqd/321:48:443
46719981,5cyclictest34-21ksoftirqd/321:41:003
46719981,5cyclictest34-21ksoftirqd/300:39:473
46719981,5cyclictest34-21ksoftirqd/300:30:153
46719981,5cyclictest34-21ksoftirqd/300:25:003
46719981,5cyclictest34-21ksoftirqd/300:19:163
46719981,5cyclictest34-21ksoftirqd/300:06:023
46719980,5cyclictest34-21ksoftirqd/323:10:213
46719980,4cyclictest0-21swapper/321:50:013
46669985,2cyclictest28-21ksoftirqd/220:20:002
46669984,3cyclictest19982-21systemd-journal22:10:402
46669984,3cyclictest19982-21systemd-journal21:43:392
46669983,3cyclictest19982-21systemd-journal20:35:172
46669983,3cyclictest19982-21systemd-journal20:31:062
46629984,3cyclictest19982-21systemd-journal23:48:531
46629984,3cyclictest19982-21systemd-journal00:35:111
46629983,3cyclictest19982-21systemd-journal22:50:271
46629983,3cyclictest19982-21systemd-journal21:05:201
46629982,5cyclictest9265-21cron21:20:011
46629982,3cyclictest2068-21systemctl22:40:001
46609983,3cyclictest19982-21systemd-journal22:51:430
46609981,4cyclictest11651-21dump-pmu-power22:25:000
29348280,0sleep10-21swapper/123:19:401
46719976,1cyclictest34-21ksoftirqd/320:55:003
46719976,1cyclictest34-21ksoftirqd/320:50:003
46719974,1cyclictest141rcu_preempt20:30:163
46719971,4cyclictest34-21ksoftirqd/321:55:113
46719971,4cyclictest23927-21switchtime21:00:203
46719971,4cyclictest0-21swapper/323:01:193
46719971,4cyclictest0-21swapper/320:15:153
46719971,4cyclictest0-21swapper/319:30:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional