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2026-08-06 - 09:45
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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 Thu Aug 06, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2210521330,1sleep13014799cyclictest23:08:161
2723521220,4sleep13014799cyclictest21:30:291
3211821210,3sleep33014999cyclictest21:54:523
2332621200,1sleep10-21swapper/121:24:231
2830821040,3sleep20-21swapper/221:21:562
29573210032,41sleep30-21swapper/319:06:153
25532980,2sleep12543-21bash21:37:221
2963529432,40sleep10-21swapper/119:07:011
22812940,2sleep12275-21sshd21:55:051
125982940,2sleep00-21swapper/022:55:330
92142900,1sleep39211-21sshd22:37:443
83662900,3sleep20-21swapper/223:53:532
249182900,2sleep32023-21nfsd23:46:333
222702890,2sleep322268-21bash23:52:023
2983928832,12sleep20-21swapper/219:09:402
186732880,3sleep30-21swapper/322:32:303
214522870,2sleep121451-21sshd23:34:251
172962870,2sleep20-21swapper/221:44:202
283102860,2sleep10-21swapper/123:58:371
122812860,2sleep20-21swapper/223:04:272
134942850,2sleep30-21swapper/300:09:173
90272840,2sleep20-21swapper/222:19:472
203632830,1sleep020362-21sshd22:20:410
196912830,0sleep00-21swapper/021:56:400
249402820,2sleep10-21swapper/122:44:551
245992810,4sleep23014899cyclictest22:24:012
231422800,4sleep23014899cyclictest23:28:492
174142800,2sleep317412-21sshd00:32:473
174142800,2sleep317412-21sshd00:32:463
99742790,2sleep19973-21id23:18:501
157632790,2sleep20-21swapper/200:32:372
157632790,2sleep20-21swapper/200:32:372
95722780,1sleep09558-21sshd22:46:190
159862770,2sleep10-21swapper/122:26:001
288362720,2sleep10-21swapper/122:03:561
76262690,3sleep33014999cyclictest22:25:173
33052690,2sleep30-21swapper/323:27:013
176082640,3sleep23014899cyclictest00:12:332
178412590,1sleep33014999cyclictest00:21:123
2958024733,11sleep00-21swapper/019:06:200
47652340,2sleep041ktimersoftd/022:01:290
137012330,4sleep23014899cyclictest21:26:172
317632310,29sleep3144650irq/27-eth022:16:013
185192310,4sleep30-21swapper/300:38:403
185192310,4sleep30-21swapper/300:38:393
282372300,2sleep30-21swapper/323:14:433
233162300,0sleep00-21swapper/022:12:080
30148992822,1cyclictest18930-21sshd23:10:442
270802280,26sleep1144650irq/27-eth023:11:291
314462270,2sleep231447-21bash00:19:382
305252270,1sleep30-21swapper/322:12:523
75972261,23sleep3144650irq/27-eth022:49:113
54132260,1sleep041ktimersoftd/023:00:330
193192260,2sleep10-21swapper/121:50:241
266752250,2sleep226676-21bash21:57:242
187232250,1sleep00-21swapper/000:38:400
187232250,1sleep00-21swapper/000:38:400
149622250,1sleep114958-21sshd22:20:141
277022240,1sleep327694-21sshd23:08:463
273632240,2sleep02024-21nfsd23:58:320
206372240,2sleep00-21swapper/022:41:380
187022240,2sleep10-21swapper/123:45:591
165932240,1sleep041ktimersoftd/000:12:270
114472240,2sleep111442-21sshd23:36:171
299372230,1sleep20-21swapper/223:38:062
256112230,21sleep3144650irq/27-eth021:36:333
86232220,1sleep30-21swapper/300:26:093
192362220,2sleep20-21swapper/200:09:482
5842210,1sleep30-21swapper/321:28:033
30148992119,1cyclictest0-21swapper/200:39:582
30148992119,1cyclictest0-21swapper/200:39:572
279692210,19sleep1144650irq/27-eth023:26:201
265262210,1sleep20-21swapper/221:54:182
240182210,1sleep00-21swapper/000:04:130
165032212,17sleep1144650irq/27-eth000:35:291
165032212,17sleep1144650irq/27-eth000:35:291
101852210,2sleep30-21swapper/323:30:263
326382200,17sleep3144650irq/27-eth021:16:413
3014999207,4cyclictest6611-21bash21:31:393
3014999207,12cyclictest0-21swapper/321:22:433
3014899203,3cyclictest31650-21rm22:04:132
3014899200,9cyclictest25282-21sshd22:44:572
257472200,1sleep025735-21sshd23:46:380
7762190,0sleep00-21swapper/021:28:030
30147991914,3cyclictest14114-21sshd22:55:411
30144991917,1cyclictest0-21swapper/022:09:270
3014999180,4cyclictest2024-21nfsd00:17:263
3014899187,6cyclictest0-21swapper/221:38:322
3014899180,3cyclictest15238-21sshd21:47:012
3014799180,13cyclictest5614-21bash22:34:291
3014499188,5cyclictest0-21swapper/021:54:130
3014499181,16cyclictest0-21swapper/023:09:020
3014499180,17cyclictest3724-21sshd23:21:030
3014499180,16cyclictest29015-21sshd22:39:310
161682180,1sleep10-21swapper/122:49:551
104792180,1sleep30-21swapper/322:08:103
3014999178,4cyclictest14116-21sshd23:19:133
3014999170,15cyclictest0-21swapper/322:41:263
3014999170,15cyclictest0-21swapper/300:00:233
3014999170,12cyclictest2426-21sshd23:56:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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