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2025-12-09 - 08:30
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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 rack5slot0.osadl.org (updated Tue Dec 09, 2025 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2975621450,4sleep12127299cyclictest21:54:001
2679721250,0sleep00-21swapper/000:17:200
1510021240,0sleep00-21swapper/021:19:290
3080821210,2sleep130807-21sshd22:21:191
3079521200,2sleep32127699cyclictest22:45:373
2074221170,2sleep320738-21sshd23:21:333
3166221160,2sleep30-21swapper/322:39:433
1827721160,4sleep12127299cyclictest23:45:401
891421140,2sleep02405-21runrttasks21:49:030
2070721140,0sleep320685-21sshd23:03:173
2327221120,3sleep12127299cyclictest22:08:311
2327221120,3sleep12127299cyclictest22:08:311
3197121050,2sleep331958-21sshd21:30:053
2461021010,2sleep10-21swapper/100:36:461
3060821000,1sleep10-21swapper/121:23:541
20062990,2sleep02005-21sshd22:45:590
81642980,1sleep10-21swapper/122:04:071
218512940,2sleep321847-21sshd23:43:003
185022910,2sleep30-21swapper/300:16:323
163502910,2sleep00-21swapper/000:32:400
102682910,3sleep20-21swapper/221:15:542
100482910,6sleep32127699cyclictest00:06:343
100482910,6sleep32127699cyclictest00:06:333
283662880,1sleep10-21swapper/121:44:501
60302870,1sleep10-21swapper/122:34:161
214702870,2sleep30-21swapper/320:20:133
68962850,3sleep22127599cyclictest22:00:502
61912850,2sleep30-21swapper/322:06:543
61912850,2sleep30-21swapper/322:06:543
242042850,2sleep224206-21sshd21:47:252
2083528534,47sleep30-21swapper/319:07:423
222552840,0sleep00-21swapper/023:55:210
222552840,0sleep00-21swapper/023:55:210
67762830,2sleep26772-21sshd21:24:442
2082328336,43sleep10-21swapper/119:07:321
121802830,2sleep32127699cyclictest00:35:283
107952810,2sleep110794-21sshd21:46:071
56862800,2sleep32405-21runrttasks21:42:413
73942790,0sleep00-21swapper/021:51:510
224832790,1sleep02126799cyclictest22:14:310
95022770,1sleep20-21swapper/200:09:412
95022770,1sleep20-21swapper/200:09:412
250562770,3sleep02126799cyclictest23:30:590
117772760,2sleep22127599cyclictest23:57:272
117772760,2sleep22127599cyclictest23:57:272
234552750,0sleep00-21swapper/022:35:480
150872740,0sleep00-21swapper/022:16:480
297962720,0sleep01848-21nfsd21:29:540
149802720,2sleep30-21swapper/323:27:063
144672720,0sleep30-21swapper/322:25:503
2100727132,11sleep20-21swapper/219:09:532
19512680,2sleep11928-21sshd00:24:401
105052650,3sleep22127599cyclictest00:32:012
150062640,2sleep215004-21sshd23:30:102
2097025733,12sleep00-21swapper/019:09:240
304862490,3sleep12127299cyclictest00:27:321
74092470,1sleep17408-21id22:13:041
124642380,2sleep22127599cyclictest22:13:342
199762360,1sleep041ktimersoftd/000:36:170
280832350,2sleep10-21swapper/122:45:241
2127699340,20cyclictest44-21ksoftirqd/322:40:063
276892330,5sleep32127699cyclictest21:38:443
49842320,2sleep34987-21sshd21:45:333
286912310,1sleep20-21swapper/221:35:412
21275993122,7cyclictest1927-21snmpd21:28:052
5682300,28sleep3135650irq/27-eth023:50:163
159042300,2sleep20-21swapper/223:21:032
62692291,16sleep3135650irq/27-eth021:24:423
61602290,2sleep26082-21sshd00:12:222
21276992825,2cyclictest5724-21sshd21:27:353
2126799280,20cyclictest26977-21bash00:14:230
56382270,2sleep35635-21sshd00:12:193
2126799276,2cyclictest3-21ksoftirqd/000:27:170
135482270,2sleep113541-21sshd22:40:591
281682260,2sleep20-21swapper/222:21:032
250692260,2sleep225057-21sshd23:43:202
222272260,1sleep041ktimersoftd/023:40:010
2127699260,20cyclictest44-21ksoftirqd/322:32:213
2126799267,2cyclictest3-21ksoftirqd/023:23:410
2126799260,19cyclictest1846-21nfsd22:53:300
189942260,2sleep27493-21kworker/u8:000:36:102
293482250,2sleep129343-21bash23:37:341
229872250,2sleep10-21swapper/100:04:481
2127699251,18cyclictest44-21ksoftirqd/323:47:123
21267992515,6cyclictest3-21ksoftirqd/023:28:130
21267992513,7cyclictest3-21ksoftirqd/000:22:590
306582240,1sleep10-21swapper/123:19:301
285022240,1sleep20-21swapper/223:10:102
21276992414,2cyclictest10950irq/23-ehci_hcd22:15:253
2126799245,2cyclictest25379-21sshd23:49:340
21267992415,4cyclictest3-21ksoftirqd/021:12:430
2126799240,21cyclictest0-21swapper/021:56:460
2126799240,12cyclictest1846-21nfsd23:10:330
2126799240,12cyclictest0-21swapper/000:07:050
2126799240,12cyclictest0-21swapper/000:07:050
186952240,21sleep1135650irq/27-eth022:17:111
154022240,2sleep20-21swapper/200:22:442
9472230,1sleep0943-21bash22:55:170
6882230,2sleep30-21swapper/322:52:073
21276992319,2cyclictest6302-21sshd22:22:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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