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2025-12-13 - 14:14
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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 rack2slot0.osadl.org (updated Sat Dec 13, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
902221020,0sleep18996-21sshd10:31:421
321742930,2sleep31529399cyclictest11:14:063
102532920,0sleep30-21swapper/311:49:383
311572910,0sleep131158-21sshd10:53:501
281202630,0sleep00-21swapper/010:11:550
113112600,0sleep011310-21seq12:04:090
13472580,0sleep10-21swapper/110:42:291
13472580,0sleep10-21swapper/110:42:281
161132560,0sleep10-21swapper/108:48:151
87662530,0sleep00-21swapper/009:09:390
67002530,0sleep1241ktimersoftd/111:31:591
154462530,1sleep115447-21sshd11:29:541
169822520,2sleep01526999cyclictest11:30:020
253832510,0sleep00-21swapper/008:58:270
225512510,0sleep20-21swapper/210:47:142
225512510,0sleep20-21swapper/210:47:132
90042500,0sleep28985-21sshd11:40:532
53452500,0sleep10-21swapper/109:50:091
247602500,1sleep324742-21sshd12:34:013
215622490,0sleep00-21swapper/010:44:200
215622490,0sleep00-21swapper/010:44:190
48052480,0sleep20-21swapper/210:22:382
232092480,0sleep10-21swapper/111:42:041
217472480,0sleep00-21swapper/011:53:320
195502480,0sleep2311rcuc/209:32:452
174582480,0sleep20-21swapper/211:07:012
164312480,0sleep30-21swapper/311:41:343
134812480,0sleep30-21swapper/311:00:573
121272480,0sleep00-21swapper/010:34:500
79702470,0sleep20-21swapper/212:03:512
47932470,0sleep30-21swapper/311:31:533
17682470,0sleep10-21swapper/111:51:481
297192460,0sleep20-21swapper/211:31:122
175012460,1sleep017460-21sshd10:49:450
175012460,1sleep017460-21sshd10:49:440
294532420,1sleep029454-21grepconf.sh11:05:150
281022420,0sleep10-21swapper/109:41:281
265352420,0sleep226537-21bash11:53:582
286662360,0sleep20-21swapper/209:52:502
266262360,2sleep11527799cyclictest10:47:371
266262360,2sleep11527799cyclictest10:47:361
149412297,7sleep00-21swapper/007:07:250
1340822615,7sleep30-21swapper/307:05:463
1335622210,7sleep20-21swapper/207:05:062
134402219,7sleep10-21swapper/107:06:091
60392200,0sleep10-21swapper/111:03:061
90042180,1sleep18993-21bash10:05:511
147222180,2sleep11527799cyclictest10:29:191
134382180,0sleep313435-21sshd12:27:153
85242170,0sleep20-21swapper/210:40:162
85242170,0sleep20-21swapper/210:40:162
192712170,0sleep229979-21gdbus10:35:292
29942160,0sleep10-21swapper/110:39:481
1528699160,14cyclictest649-21polkitd11:58:192
255902150,0sleep30-21swapper/308:58:303
85002140,0sleep10-21swapper/109:58:061
7072140,0sleep00-21swapper/012:37:340
267682140,0sleep30-21swapper/309:41:183
220812140,0sleep30-21swapper/310:07:173
159672140,0sleep0111rcuc/011:29:570
15286991412,1cyclictest0-21swapper/212:13:082
110492140,0sleep30-21swapper/309:23:013
53332130,1sleep15329-21lspci11:14:361
190382130,0sleep019033-21lspci11:21:370
15293991310,2cyclictest12594-21sshd11:52:423
1527799130,12cyclictest698-21gdbus12:26:301
1526999131,1cyclictest674-21dbus-daemon12:19:150
1529399120,1cyclictest29619-21sshd10:53:423
1529399120,11cyclictest0-21swapper/310:33:413
15286991210,1cyclictest1490-21bash11:28:382
1528699120,1cyclictest2660-21sshd10:19:382
1528699120,11cyclictest674-21dbus-daemon10:34:282
15277991210,1cyclictest0-21swapper/111:07:111
1527799120,11cyclictest3590-21lspci09:38:311
1526999121,0cyclictest0-21swapper/011:14:050
15269991210,1cyclictest23604-21sshd10:58:560
1526999120,1cyclictest48-21kauditd10:39:150
1526999120,1cyclictest4296-21lspci09:38:360
107672120,0sleep20-21swapper/210:02:092
104922120,0sleep30-21swapper/309:27:523
5452110,0sleep30-21swapper/312:11:533
15293991110,0cyclictest0-21swapper/312:07:323
15293991110,0cyclictest0-21swapper/311:28:113
1529399110,10cyclictest0-21swapper/310:58:313
1529399110,10cyclictest0-21swapper/310:14:023
1529399110,0cyclictest0-21swapper/309:39:113
1529399110,0cyclictest0-21swapper/307:27:023
1528699119,1cyclictest1073-21nfsd12:32:492
1528699119,1cyclictest1026-21sshd11:03:482
1527799110,1cyclictest25917-21sshd11:56:511
1527799110,10cyclictest0-21swapper/112:31:201
1527799110,10cyclictest0-21swapper/112:01:401
1527799110,0cyclictest0-21swapper/111:17:111
1527799110,0cyclictest0-21swapper/110:23:001
1526999119,1cyclictest19801-21sshd11:38:550
15269991110,0cyclictest0-21swapper/010:24:050
1526999110,10cyclictest0-21swapper/008:52:250
241232100,1sleep2311rcuc/209:29:322
1529399109,0cyclictest0-21swapper/310:48:323
1529399109,0cyclictest0-21swapper/310:48:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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