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2025-12-02 - 08:56
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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 rackaslot0.osadl.org (updated Tue Dec 02, 2025 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31252890,0sleep30-21swapper/322:19:183
58852690,0sleep00-21swapper/023:27:260
95722630,1sleep20-21swapper/223:06:182
2470526326,19sleep00-21swapper/019:09:590
2470226228,19sleep20-21swapper/219:09:562
164912610,0sleep317660-21diskmemload21:41:413
272542590,0sleep027253-21aten_rapower_fr21:25:150
264652580,0sleep00-21swapper/000:29:000
264652580,0sleep00-21swapper/000:29:000
123562580,0sleep00-21swapper/023:13:520
292512570,1sleep229243-21sshd22:32:482
2459125736,18sleep30-21swapper/319:08:333
311372550,0sleep10-21swapper/122:11:401
143572550,2sleep228-21rcuc/200:39:442
113932550,6sleep212050irq/23-ehci_hcd22:05:552
2437425431,19sleep10-21swapper/119:05:551
192102540,0sleep30-21swapper/322:35:173
266452530,0sleep30-21swapper/321:35:403
106532530,1sleep210636-21sshd21:26:532
302232520,0sleep10-21swapper/122:22:141
261522520,1sleep11819-21runrttasks22:39:401
235052510,0sleep2291ktimersoftd/221:31:502
222132510,1sleep11819-21runrttasks00:32:131
198092500,0sleep30-21swapper/323:29:023
277592490,0sleep31819-21runrttasks21:32:193
21662490,0sleep20-21swapper/223:34:092
195372490,1sleep22494499cyclictest22:56:402
103132490,1sleep210292-21sshd23:20:402
218492480,1sleep01819-21runrttasks22:03:370
218492480,1sleep01819-21runrttasks22:03:370
275842470,0sleep00-21swapper/000:17:060
275842470,0sleep00-21swapper/000:17:060
146862470,0sleep214683-21bash23:49:472
41922440,0sleep00-21swapper/023:52:110
244392440,1sleep224440-21bash00:05:382
150982440,0sleep01819-21runrttasks23:17:400
3542300,1sleep1355-21sshd23:26:471
2494999251,20cyclictest0-21swapper/320:35:173
2494999230,22cyclictest0-21swapper/300:38:153
2494099230,22cyclictest0-21swapper/120:05:211
119162230,0sleep10-21swapper/100:15:191
119162230,0sleep10-21swapper/100:15:191
305582220,0sleep30-21swapper/300:13:533
2494099220,21cyclictest0-21swapper/122:51:001
2494099220,21cyclictest0-21swapper/120:16:151
2493599220,21cyclictest0-21swapper/019:25:180
40292210,0sleep04003-21sshd23:37:480
2494999210,20cyclictest0-21swapper/322:29:303
2494999210,20cyclictest0-21swapper/321:24:483
2494099210,21cyclictest0-21swapper/120:59:451
2494099210,21cyclictest0-21swapper/120:12:001
2494099210,21cyclictest0-21swapper/119:55:151
2494099210,21cyclictest0-21swapper/119:53:151
2494099210,21cyclictest0-21swapper/119:47:151
2494099210,21cyclictest0-21swapper/119:31:291
2493599210,20cyclictest0-21swapper/020:55:190
2493599210,15cyclictest21873-21bash22:53:220
2494999200,19cyclictest0-21swapper/322:10:303
2494999200,19cyclictest0-21swapper/321:50:173
2494499201,18cyclictest0-21swapper/223:57:002
2494499200,19cyclictest0-21swapper/222:17:182
2494499200,19cyclictest0-21swapper/221:55:182
2494499200,19cyclictest0-21swapper/220:42:002
2494499200,19cyclictest0-21swapper/220:13:002
2494499200,19cyclictest0-21swapper/219:53:192
2494499200,19cyclictest0-21swapper/219:10:152
2494099200,20cyclictest0-21swapper/120:51:451
2494099200,20cyclictest0-21swapper/120:37:451
2494099200,20cyclictest0-21swapper/119:44:141
2494099200,19cyclictest0-21swapper/122:01:311
2494099200,19cyclictest0-21swapper/122:01:311
2494099200,19cyclictest0-21swapper/121:45:001
2494099200,19cyclictest0-21swapper/100:26:161
2494099200,19cyclictest0-21swapper/100:26:161
2493599200,19cyclictest0-21swapper/021:54:460
79552190,1sleep27954-21bash21:23:052
2494999191,17cyclictest0-21swapper/300:19:463
2494999191,17cyclictest0-21swapper/300:19:463
2494499195,13cyclictest28-21rcuc/223:28:302
2494499190,18cyclictest0-21swapper/221:45:012
2494099190,18cyclictest0-21swapper/123:21:151
2494099190,18cyclictest0-21swapper/121:20:161
2494099190,18cyclictest0-21swapper/120:20:181
2493599191,18cyclictest0-21swapper/020:38:000
2493599190,18cyclictest0-21swapper/021:48:310
170992190,2sleep02493599cyclictest22:45:350
2494999181,15cyclictest0-21swapper/320:25:183
2494499180,17cyclictest0-21swapper/221:37:452
2494499180,17cyclictest0-21swapper/220:04:252
2494499180,17cyclictest0-21swapper/200:28:142
2494499180,17cyclictest0-21swapper/200:28:142
2494099181,16cyclictest0-21swapper/122:07:461
2494099180,17cyclictest0-21swapper/123:15:451
2494099180,17cyclictest0-21swapper/121:00:181
2494099180,17cyclictest0-21swapper/100:02:461
2493599180,18cyclictest0-21swapper/019:37:000
2493599180,17cyclictest0-21swapper/020:03:150
2493599180,17cyclictest0-21swapper/000:00:160
178092180,0sleep20-21swapper/222:49:232
176692180,0sleep31819-21runrttasks00:01:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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