You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-26 - 23:36
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Wed Nov 26, 2025 12:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2791622600,1sleep324769-21kworker/u8:607:05:323
2728322570,6sleep118362-21kworker/1:007:05:181
2796722530,8sleep2241rcuc/207:05:352
2875298214208,3cyclictest20658-21kworker/u8:008:17:142
3223021150,2sleep10-21swapper/109:55:551
2875098115107,4cyclictest1050ksoftirqd/008:17:140
287539810393,6cyclictest20664-21kworker/u8:808:17:153
28751989588,4cyclictest9941-21kworker/u8:4110:22:141
28751989587,5cyclictest13279-21kworker/u8:3309:21:541
28751989587,5cyclictest13279-21kworker/u8:3309:21:541
28752987368,3cyclictest13252-21kworker/u8:309:21:542
28752987368,3cyclictest13252-21kworker/u8:309:21:532
28750985344,7cyclictest10-21ksoftirqd/007:11:540
44712500,3sleep22126-21bootmenu10:05:412
28752984741,3cyclictest1384-21kworker/u8:308:52:042
28752984741,3cyclictest1384-21kworker/u8:308:52:032
144782460,2sleep30-21swapper/311:34:393
144782460,2sleep30-21swapper/311:34:393
28751984539,3cyclictest1653-21kworker/u8:707:32:111
28751984539,3cyclictest1653-21kworker/u8:707:32:111
28750984433,8cyclictest10-21ksoftirqd/008:27:330
25022430,2sleep10-21swapper/112:15:231
28751984136,3cyclictest7453-21kworker/u8:1810:17:031
241772410,2sleep20-21swapper/210:46:152
53562400,2sleep15355-21wc12:20:261
140302380,2sleep314031-21cat09:20:003
28751983731,4cyclictest22605-21kworker/u8:1408:22:201
28753983611,5cyclictest2081-21runrttasks08:55:473
28750983630,3cyclictest1050ksoftirqd/009:12:310
28753983529,3cyclictest28405-21kworker/u8:2307:11:553
28751983528,4cyclictest20671-21kworker/u8:1708:17:151
2875398348,6cyclictest1594-1kworker/u9:111:10:453
28753983412,4cyclictest4136-21ntpq10:05:303
28751983326,4cyclictest9353-21kworker/u8:311:47:091
28751983313,12cyclictest121rcu_preempt11:40:151
2875198331,17cyclictest121rcu_preempt09:35:011
28753983211,4cyclictest32137-21timerwakeupswit09:55:413
2875198327,3cyclictest121rcu_preempt08:05:281
243552320,14sleep331-21ksoftirqd/311:55:023
112762320,3sleep30-21swapper/309:13:543
101692320,7sleep331-21ksoftirqd/310:18:253
2875398313,3cyclictest20515-21kworker/u8:609:35:373
28751983115,3cyclictest19-21ksoftirqd/111:35:441
253782310,11sleep331-21ksoftirqd/309:42:213
33012300,15sleep3121rcu_preempt07:25:513
2875398301,6cyclictest12190-21sed07:50:453
28753983011,4cyclictest29972-21/usr/sbin/munin12:05:263
28753983011,4cyclictest1362-21switchtime07:20:473
28752983014,5cyclictest25-21ksoftirqd/211:10:242
2875198308,6cyclictest121rcu_preempt11:10:151
2875198307,4cyclictest121rcu_preempt12:05:231
28751983024,4cyclictest25374-21kworker/u8:1609:47:211
2875198301,9cyclictest30365-21sendmail-mta08:40:001
169862300,1sleep216715-21kworker/u8:1608:05:012
117862300,8sleep225-21ksoftirqd/211:27:542
77992290,6sleep119-21ksoftirqd/111:20:331
2875398294,11cyclictest302832chrt09:53:103
28753982911,4cyclictest9105-21diskmemload10:43:163
2875298293,6cyclictest25-21ksoftirqd/212:20:002
2875298293,3cyclictest121rcu_preempt10:41:102
28752982914,4cyclictest25-21ksoftirqd/211:05:152
2875298291,3cyclictest121rcu_preempt11:50:122
2875298291,3cyclictest121rcu_preempt09:40:162
2875198296,4cyclictest121rcu_preempt08:30:201
2875198293,4cyclictest121rcu_preempt10:55:011
2875198293,4cyclictest121rcu_preempt10:55:001
28751982922,4cyclictest25371-21kworker/u8:810:01:451
2875198291,5cyclictest31732-21ssh11:03:141
2875198291,5cyclictest31732-21ssh11:03:141
28751982915,4cyclictest19-21ksoftirqd/110:05:311
28751982914,4cyclictest19-21ksoftirqd/107:25:291
2875198291,3cyclictest121rcu_preempt09:25:181
2875198291,3cyclictest121rcu_preempt09:25:171
28751982913,3cyclictest19-21ksoftirqd/109:00:291
28751982910,11cyclictest121rcu_preempt11:15:461
28751982910,11cyclictest121rcu_preempt11:15:451
213072290,6sleep331-21ksoftirqd/311:48:103
161682290,7sleep3311ksoftirqd/311:35:553
148122290,9sleep3121rcu_preempt07:56:403
137512290,8sleep12126-21bootmenu09:19:111
90542280,16sleep28590-21kworker/u8:1912:29:402
88862280,2sleep10-21swapper/112:28:421
2875398284,11cyclictest293512chrt10:58:263
2875398284,11cyclictest293512chrt10:58:263
28753982811,4cyclictest9105-21diskmemload09:46:293
28753982810,4cyclictest1836-21ntpq10:00:373
2875298283,2cyclictest121rcu_preempt10:02:052
2875298282,4cyclictest121rcu_preempt10:13:592
2875298282,3cyclictest121rcu_preempt10:33:242
2875298281,4cyclictest121rcu_preempt09:52:592
28752982813,3cyclictest25-21ksoftirqd/211:35:362
2875198287,4cyclictest121rcu_preempt08:10:261
2875198286,14cyclictest121rcu_preempt12:10:371
2875198281,6cyclictest6833-21ntpq10:10:521
28751982815,9cyclictest19-21ksoftirqd/110:41:161
28751982814,3cyclictest19-21ksoftirqd/109:10:351
2875198281,3cyclictest121rcu_preempt07:56:591
28751982813,5cyclictest19-21ksoftirqd/112:30:151
281972280,2sleep20-21swapper/208:31:592
150542280,5sleep225-21ksoftirqd/207:59:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional