You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-24 - 21:20
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
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Mon Nov 24, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313572233159,60sleep20-21swapper/207:05:372
316672213149,23sleep00-21swapper/007:09:370
316852208149,48sleep30-21swapper/307:09:533
315452205150,21sleep10-21swapper/107:08:061
21082760,0sleep10-21swapper/111:35:151
303752190,0sleep10-21swapper/110:00:151
78702180,0sleep121-21ksoftirqd/109:30:111
45312160,0sleep10-21swapper/112:25:101
3180399161,13cyclictest0-21swapper/210:53:392
3180399150,14cyclictest24691-21diskmemload10:40:142
3180399150,14cyclictest0-21swapper/208:45:132
3180399150,13cyclictest7227-21ssh11:42:112
3180399140,13cyclictest8983-21fschecks_count08:35:152
3180399140,13cyclictest26299-21apt-get12:10:142
3180399140,13cyclictest24691-21diskmemload11:20:202
3180399140,13cyclictest24691-21diskmemload10:05:152
3180399140,13cyclictest19036-21perf10:30:002
3180399140,13cyclictest17102-21ssh11:55:222
3180399140,13cyclictest11357-21latency_hist12:35:002
3180399140,13cyclictest0-21swapper/209:00:162
3180399140,13cyclictest0-21swapper/208:05:132
3180399131,11cyclictest9920-21tr10:15:172
3180399131,11cyclictest24691-21diskmemload12:15:112
3180399130,12cyclictest24691-21diskmemload11:10:142
3180399130,12cyclictest21081-21users10:30:232
3180399130,12cyclictest0-21swapper/210:20:132
3180399130,12cyclictest0-21swapper/209:25:152
3180399130,12cyclictest0-21swapper/208:55:162
3180399130,0cyclictest0-21swapper/208:10:102
31810991210,1cyclictest35-21ksoftirqd/307:50:003
3180399121,10cyclictest24691-21diskmemload09:45:202
3180399120,12cyclictest0-21swapper/212:05:122
3180399120,12cyclictest0-21swapper/211:25:142
3180399120,11cyclictest21915-21apt-get07:55:122
3180399120,11cyclictest14097-21sh11:06:272
3180399120,11cyclictest0-21swapper/211:49:072
3180399120,11cyclictest0-21swapper/211:01:012
3180399120,11cyclictest0-21swapper/210:13:142
3180399120,11cyclictest0-21swapper/210:03:562
3180399120,11cyclictest0-21swapper/209:35:262
3180399120,11cyclictest0-21swapper/209:23:412
3180399120,10cyclictest0-21swapper/209:54:172
3180399120,0cyclictest0-21swapper/211:37:232
3180399120,0cyclictest0-21swapper/210:35:202
3179599120,12cyclictest0-21swapper/110:30:131
3180399110,9cyclictest15899-21df_inode09:40:152
3180399110,11cyclictest0-21swapper/212:22:092
3180399110,11cyclictest0-21swapper/211:31:352
3180399110,11cyclictest0-21swapper/211:31:352
3180399110,11cyclictest0-21swapper/210:56:212
3180399110,11cyclictest0-21swapper/210:46:132
3180399110,10cyclictest16775-21perf07:45:002
3180399110,10cyclictest16775-21perf07:45:002
3180399110,10cyclictest0-21swapper/212:39:572
3180399110,10cyclictest0-21swapper/212:25:152
3180399110,10cyclictest0-21swapper/211:50:182
3180399110,10cyclictest0-21swapper/211:15:092
3180399110,10cyclictest0-21swapper/209:55:232
3180399110,10cyclictest0-21swapper/208:15:122
3180399110,0cyclictest0-21swapper/212:00:582
3180399110,0cyclictest0-21swapper/209:32:432
3180399110,0cyclictest0-21swapper/209:16:232
3180399110,0cyclictest0-21swapper/207:14:222
31787991110,1cyclictest9-21ksoftirqd/010:00:490
278342110,0sleep00-21swapper/012:10:230
3181099100,6cyclictest13191-21kworker/u8:109:35:523
3180399100,9cyclictest0-21swapper/209:10:592
3180399100,5cyclictest4942-21munin-run07:20:012
3180399100,0cyclictest0-21swapper/209:05:192
3179599100,5cyclictest0-21swapper/111:48:171
3178799108,1cyclictest9-21ksoftirqd/008:20:000
3178799105,4cyclictest24074-21ntp_offset10:35:190
3178799101,4cyclictest19321-21munin-run07:50:000
214802100,0sleep324691-21diskmemload09:46:523
318109999,0cyclictest35-21ksoftirqd/311:13:303
318039993,5cyclictest11196-21expr08:40:162
318039990,8cyclictest4687-21memory08:25:172
318039990,6cyclictest254-21systemd-journal07:30:062
317959990,3cyclictest0-21swapper/111:15:111
317879998,1cyclictest9-21ksoftirqd/011:21:510
317879995,1cyclictest254-21systemd-journal11:17:000
317879992,4cyclictest11732-21perf11:05:000
317879991,7cyclictest1728-21munin-node08:56:270
317879991,4cyclictest9-21ksoftirqd/011:45:000
318109987,1cyclictest3938-21ssh10:07:403
318109986,1cyclictest35-21ksoftirqd/308:10:003
318109980,1cyclictest0-21swapper/311:15:113
318039983,4cyclictest8748-21awk07:25:202
318039980,8cyclictest0-21swapper/208:30:142
318039980,7cyclictest1318-21/usr/sbin/munin08:20:132
318039980,7cyclictest0-21swapper/207:35:172
318039980,7cyclictest0-21swapper/207:20:142
318039980,0cyclictest0-21swapper/208:50:142
317879987,1cyclictest14639-21/usr/sbin/munin07:40:120
317879987,1cyclictest14639-21/usr/sbin/munin07:40:120
317879984,1cyclictest254-21systemd-journal09:05:000
317879982,5cyclictest28026-21sh11:25:210
317879981,6cyclictest16332-21ssh11:55:160
317879980,4cyclictest4299-21perf12:25:010
317879980,4cyclictest29757-21perf10:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional