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2025-09-17 - 11:39
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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 Wed Sep 17, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319872650,0sleep00-21swapper/022:57:340
135442590,0sleep20-21swapper/223:28:372
145382570,0sleep30-21swapper/300:32:013
34002540,1sleep13397-21sshd21:15:341
262042540,1sleep226001-21sshd22:00:222
172242540,1sleep317219-21ntp_states21:20:183
57282520,0sleep00-21swapper/000:07:590
248442510,0sleep10-21swapper/123:13:211
150582510,1sleep015046-21sshd22:35:280
10042510,1sleep1999-21bash22:37:261
165792500,0sleep30-21swapper/322:22:343
80572490,0sleep30-21swapper/321:16:053
41542490,0sleep20-21swapper/221:58:142
250102490,0sleep10-21swapper/122:10:141
137382490,0sleep2311rcuc/222:05:502
61652480,0sleep30-21swapper/323:04:553
54362480,0sleep20-21swapper/222:28:012
50002480,0sleep10-21swapper/121:51:441
299882480,0sleep20-21swapper/200:14:272
177732480,2sleep22753799cyclictest23:02:462
2726824735,7sleep20-21swapper/219:07:562
156672470,0sleep10-21swapper/122:59:151
283092460,0sleep20-21swapper/200:37:422
130872460,0sleep00-21swapper/022:18:580
139382430,2sleep22753799cyclictest22:52:252
70932410,0sleep20-21swapper/222:48:162
2715923227,3sleep00-21swapper/019:06:380
272252309,7sleep30-21swapper/319:07:253
160632240,1sleep341-21ksoftirqd/322:35:353
2712822210,7sleep10-21swapper/119:06:151
67202190,0sleep06717-21sshd00:27:030
220372170,0sleep3391rcuc/322:53:183
216232170,0sleep2311rcuc/221:40:182
166902170,1sleep30-21swapper/300:05:343
279482160,1sleep327943-21lspci23:07:023
2753699150,14cyclictest0-21swapper/121:12:011
186272150,1sleep125-21ksoftirqd/121:40:051
121052150,0sleep30-21swapper/321:26:173
101232150,0sleep210121-21grep23:15:122
81152140,0sleep30-21swapper/323:24:493
61862140,1sleep125-21ksoftirqd/123:54:241
50462140,1sleep3391rcuc/321:38:443
293442140,0sleep10-21swapper/122:54:041
277262140,1sleep227728-21bash23:36:302
26862140,0sleep20-21swapper/200:34:332
93512130,0sleep30-21swapper/300:39:273
27536991311,1cyclictest7744-21kworker/1:221:36:541
27536991311,1cyclictest24135-21kworker/1:120:45:141
119252130,0sleep20-21swapper/223:31:422
2754299120,1cyclictest20033-21bash23:16:093
27537991210,1cyclictest21904-21sshd21:24:062
27537991210,1cyclictest17602-21cp00:28:262
27536991210,1cyclictest1946-21kworker/1:122:34:351
2753699120,11cyclictest0-21swapper/122:05:301
2753699120,11cyclictest0-21swapper/122:03:511
187982120,0sleep10-21swapper/122:22:471
2754299119,1cyclictest30909-21sshd21:31:293
2754299119,1cyclictest19500-21sshd23:45:393
27542991110,0cyclictest0-21swapper/323:57:493
2754299110,10cyclictest0-21swapper/322:45:093
2754299110,10cyclictest0-21swapper/322:33:583
2754299110,10cyclictest0-21swapper/319:55:483
2754299110,10cyclictest0-21swapper/300:11:093
2754299110,0cyclictest0-21swapper/300:22:093
2753799119,1cyclictest1697-21sshd21:28:352
27537991110,0cyclictest0-21swapper/223:44:262
27537991110,0cyclictest0-21swapper/223:44:252
27537991110,0cyclictest0-21swapper/222:18:062
2753799110,10cyclictest0-21swapper/223:12:062
2753799110,0cyclictest0-21swapper/222:37:162
2753699119,1cyclictest26105-21sshd23:46:211
27536991110,0cyclictest0-21swapper/123:36:401
27536991110,0cyclictest0-21swapper/121:29:211
2753699110,10cyclictest16974-21lspci23:02:411
2753699110,0cyclictest0-21swapper/100:31:301
2753599119,1cyclictest11928-21lspci21:23:040
2753599113,4cyclictest16020-21munin-run20:00:000
27535991110,0cyclictest0-21swapper/023:58:310
27535991110,0cyclictest0-21swapper/022:25:220
2753599110,10cyclictest0-21swapper/023:36:410
2753599110,10cyclictest0-21swapper/021:36:420
2753599110,10cyclictest0-21swapper/000:11:520
2753599110,0cyclictest0-21swapper/023:31:020
45932100,0sleep20-21swapper/200:18:552
2754299109,0cyclictest0-21swapper/323:30:183
2754299109,0cyclictest0-21swapper/323:27:293
2754299109,0cyclictest0-21swapper/320:47:083
2754299109,0cyclictest0-21swapper/300:29:393
2754299106,2cyclictest13370-21sshd23:12:093
2754299100,0cyclictest0-21swapper/321:48:493
2753799109,0cyclictest0-21swapper/223:55:262
2753799109,0cyclictest0-21swapper/221:52:362
2753799109,0cyclictest0-21swapper/221:47:062
2753799109,0cyclictest0-21swapper/221:12:562
2753799100,0cyclictest0-21swapper/223:09:152
2753699109,0cyclictest0-21swapper/123:58:301
2753699109,0cyclictest0-21swapper/123:42:211
2753699109,0cyclictest0-21swapper/123:42:201
2753699109,0cyclictest0-21swapper/121:08:411
2753699109,0cyclictest0-21swapper/120:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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