You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-25 - 11:59
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 Tue Nov 25, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1663007992825,1cyclictest0-21swapper/300:00:003
166300799252,16cyclictest2103108-21taskset00:10:013
1663007992513,1cyclictest0-21swapper/322:30:113
1663007992320,1cyclictest0-21swapper/320:40:013
1663007992118,1cyclictest0-21swapper/300:10:193
1663007992016,1cyclictest0-21swapper/319:17:223
1663007991916,1cyclictest0-21swapper/323:13:433
1663007991916,1cyclictest0-21swapper/321:55:013
1663007991916,1cyclictest0-21swapper/321:25:403
1663007991916,1cyclictest0-21swapper/321:10:013
1663007991915,1cyclictest0-21swapper/322:00:003
166300799191,14cyclictest1794937-21taskset20:50:223
166300799191,13cyclictest1990975-21turbostat23:00:013
1663007991814,1cyclictest0-21swapper/319:15:003
166300799181,14cyclictest1702751-21taskset19:40:143
166300799181,13cyclictest2143112-21sleep00:35:003
166300799181,13cyclictest2063220-21taskset23:45:113
166300799181,13cyclictest1965177-21chrt22:40:353
166300799181,12cyclictest1870625-21taskset21:45:003
166300799180,13cyclictest1801708-21taskset20:59:573
1663007991714,1cyclictest0-21swapper/323:29:593
1663007991714,1cyclictest0-21swapper/321:20:003
1663007991714,1cyclictest0-21swapper/319:30:143
1663007991714,1cyclictest0-21swapper/300:15:173
166300799171,13cyclictest2126077-21taskset00:22:463
166300799171,13cyclictest2045874-21chrt23:32:383
166300799171,13cyclictest2016645-21taskset23:15:173
166300799171,13cyclictest1958415-21chrt22:38:273
166300799171,13cyclictest1942731-21chrt22:29:423
166300799171,12cyclictest2055539-21chrt23:40:153
166300799171,12cyclictest1983017-21turbostat22:55:003
166300799171,12cyclictest1869585-21taskset21:43:053
166300799171,12cyclictest1830753-21taskset21:20:133
166300799171,12cyclictest1814458-21chrt21:10:103
166300799171,12cyclictest1770735-21taskset20:34:553
166300799171,12cyclictest1677873-21taskset19:20:143
20699132160,1sleep02069921-21ssh23:47:580
166300799167,6cyclictest19173202sleep322:11:183
1663007991613,1cyclictest0-21swapper/322:45:193
1663007991613,1cyclictest0-21swapper/322:05:203
166300799161,12cyclictest2149340-21chrt00:36:063
166300799161,12cyclictest2134380-21taskset00:28:243
166300799161,12cyclictest2090946-21taskset00:00:183
166300799161,12cyclictest2052951-21taskset23:35:293
166300799161,12cyclictest1996534-21taskset23:00:243
166300799161,12cyclictest1932965-21chrt22:20:233
166300799161,12cyclictest1925609-21taskset22:17:033
166300799161,12cyclictest1902109-21chrt22:03:493
166300799161,12cyclictest1861895-21chrt21:38:553
166300799161,12cyclictest1853343-21chrt21:32:433
166300799161,12cyclictest1783476-21taskset20:45:143
166300799161,12cyclictest1777264-21chrt20:40:123
166300799161,12cyclictest1764228-21taskset20:25:503
166300799161,12cyclictest1751906-21taskset20:16:483
166300799161,12cyclictest1739615-21taskset20:07:303
166300799161,12cyclictest1702272-21taskset19:37:533
166300799161,11cyclictest2023731-21taskset23:20:153
166300799160,8cyclictest1752422-21taskset20:20:023
166300799160,13cyclictest1727234-21chrt19:57:403
166300799160,13cyclictest1689503-21chrt19:26:483
18522192151,10sleep11852391-21awk21:30:261
1663007991512,1cyclictest0-21swapper/320:14:263
166300799151,11cyclictest2077196-21taskset23:50:413
166300799151,11cyclictest1807574-21taskset21:00:323
166300799151,11cyclictest1733345-21taskset20:01:463
166300799151,11cyclictest1719962-21chrt19:50:203
166300799150,12cyclictest1999277-21chrt23:05:073
166300799150,12cyclictest1714729-21chrt19:45:383
147598150,10rtkit-daemon720-21snmpd22:10:170
18886102140,3sleep1331ktimers/121:55:171
16691972141,9sleep21670615-21grep19:15:022
20739262135,5sleep02075941-21kthreadcore23:50:180
16769352130,1sleep10-21swapper/119:15:231
19807912120,5sleep01981039-21users22:50:240
17086422120,9sleep01709063-21cat19:45:010
147598120,8rtkit-daemon2125597-21chrt00:21:372
21367362110,8sleep12138107-21grep00:30:191
20228952110,8sleep12022903-21ssh23:19:571
18690232111,4sleep21845523-21kworker/u16:3+nfsiod21:41:492
18295902110,8sleep11829597-21sh21:18:461
18035562110,1sleep20-21swapper/221:00:152
17831812111,3sleep1474-21systemd-logind20:45:001
17090672110,7sleep11708662-21apt-get19:45:011
147598110,7rtkit-daemon1807622-21kworker/u16:0+nfsiod21:20:052
147598110,7rtkit-daemon1687079-21grep19:25:182
147598110,3rtkit-daemon214-21plymouthd00:37:031
21113912102,5sleep22111424-21apt-get00:15:142
19906932101,6sleep01990703-21sshd22:59:200
18870052101,5sleep01887027-21sh21:55:130
18627242101,6sleep01845523-21kworker/u16:3+rpciod21:40:130
18446782100,7sleep21844686-21ssh21:26:052
18070212100,7sleep11807048-21/usr/sbin/munin21:00:201
147598100,6rtkit-daemon1983139-21cut22:55:011
147598100,6rtkit-daemon1540-21sendmail-mta00:17:380
147598100,5rtkit-daemon1737600-21cut20:05:172
147598100,2rtkit-daemon214-21plymouthd00:25:452
2140609290,6sleep22140660-21/usr/sbin/munin00:30:232
2101906291,6sleep21814154-21diskmemload00:07:202
1957682291,6sleep11957690-21sh22:36:461
1945207290,6sleep11947167-21kthreadcore22:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional