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2026-03-26 - 06:34
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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 Mar 26, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
586221230,0sleep25861-21sshd23:00:332
3026921190,4sleep22235499cyclictest23:54:022
21771210937,43sleep10-21swapper/119:06:081
21901210434,40sleep30-21swapper/319:07:473
92742950,2sleep00-21swapper/023:48:070
91722910,5sleep03-21ksoftirqd/021:58:000
8772910,2sleep32512-21runrttasks20:45:103
64182870,4sleep20-21swapper/222:32:362
273992870,2sleep227395-21sshd22:10:122
27572850,2sleep22756-21sshd00:01:242
273252850,2sleep10-21swapper/123:46:331
3992840,1sleep10-21swapper/121:32:311
314812840,3sleep30-21swapper/300:26:373
281612830,0sleep00-21swapper/022:24:120
219742830,0sleep00-21swapper/021:34:520
174962830,2sleep10-21swapper/123:38:231
106232830,1sleep20-21swapper/222:22:182
191792800,3sleep20-21swapper/221:52:122
14062800,2sleep30-21swapper/323:57:523
126692800,2sleep32024-21nfsd22:05:123
30972790,2sleep10-21swapper/122:28:301
234382790,2sleep20-21swapper/223:56:442
201252780,0sleep00-21swapper/022:55:140
189802780,1sleep018976-21sshd00:39:500
135862780,2sleep20-21swapper/221:55:042
250732760,1sleep30-21swapper/321:49:283
135992760,2sleep30-21swapper/322:15:263
38162750,1sleep10-21swapper/122:46:131
322952750,2sleep32235599cyclictest22:21:073
323172740,1sleep232311-21cp22:28:072
239732740,2sleep30-21swapper/319:10:223
75632730,3sleep02235299cyclictest22:25:210
291852730,2sleep10-21swapper/123:14:101
213482730,2sleep30-21swapper/300:10:313
31992720,4sleep22235499cyclictest21:36:182
326952680,2sleep232687-21sshd23:22:172
20032640,4sleep32235599cyclictest21:32:423
2202925832,14sleep00-21swapper/019:09:240
2180125433,17sleep20-21swapper/219:06:302
240212500,0sleep224022-21sshd22:51:512
194802330,4sleep10-21swapper/100:03:161
2235299310,29cyclictest23997-21sshd22:48:280
22532300,3sleep10-21swapper/123:25:521
2235299290,25cyclictest8571-21sshd23:37:230
132112280,26sleep3144650irq/27-eth022:54:303
80332270,0sleep28036-21sshd21:30:002
39772270,0sleep23978-21bash22:46:142
2235299270,25cyclictest27561-21sshd22:03:210
2235299270,25cyclictest18930-21sshd23:56:130
108422270,0sleep30-21swapper/321:26:493
156942260,0sleep00-21swapper/022:08:580
2235299250,19cyclictest0-21swapper/021:45:120
107002250,4sleep30-21swapper/323:44:423
2235299240,7cyclictest5490-21sshd21:43:580
2235299240,23cyclictest31373-21sshd21:25:310
325272230,3sleep10-21swapper/121:12:071
311692230,21sleep1144650irq/27-eth023:54:101
2235299232,20cyclictest2066-21nscd21:22:530
2235299230,22cyclictest7127-21chrt21:19:440
2235299230,22cyclictest7127-21chrt21:19:440
2235299230,22cyclictest2024-21nfsd22:11:590
2235299230,22cyclictest14043-21bash23:12:140
2235299230,22cyclictest0-21swapper/023:52:090
2235299230,13cyclictest31887-21sshd23:43:220
2235299230,12cyclictest6158-21sshd21:36:390
162092230,1sleep10-21swapper/121:37:571
78552220,2sleep30-21swapper/300:35:043
56532220,2sleep15654-21sshd23:44:051
40262220,20sleep1144650irq/27-eth021:54:051
38842220,2sleep23885-21bash23:19:052
272822220,2sleep227281-21sshd22:16:572
263332220,1sleep30-21swapper/321:18:203
263332220,1sleep30-21swapper/321:18:193
2235299220,21cyclictest6236-21sshd21:50:470
2235299220,21cyclictest25093-21sshd00:11:000
2235299220,20cyclictest6471-21fschecks_time23:30:130
2235299220,20cyclictest0-21swapper/022:19:080
2235299220,18cyclictest0-21swapper/000:15:110
2235299220,17cyclictest3654-21sshd00:01:300
2235299220,13cyclictest22432-21sshd00:21:480
2235299220,11cyclictest3192-21sshd00:08:290
2235299220,11cyclictest2100-21snmpd23:05:580
2235299220,11cyclictest12077-21sshd23:01:150
22354992112,5cyclictest10950irq/23-ehci_hcd22:04:462
2235299210,20cyclictest11844-21bash00:31:300
2235299210,19cyclictest14946-21bash23:27:180
2235299210,18cyclictest0-21swapper/022:37:050
2235299210,17cyclictest0-21swapper/020:56:540
2235299210,16cyclictest0-21swapper/022:51:370
2235299210,13cyclictest16229-21bash21:10:220
2235299210,12cyclictest23430-21sshd00:25:420
2235299210,11cyclictest17489-21sshd22:30:130
2235299210,10cyclictest17984-21sshd23:20:380
2235499202,13cyclictest19714-21sshd22:44:312
2235499202,11cyclictest20801-21sshd22:37:352
2235499201,12cyclictest26145-21sshd00:29:382
2235299200,16cyclictest32243-21sshd22:42:150
80212190,1sleep10-21swapper/122:22:011
269162190,17sleep3144650irq/27-eth021:42:483
22353991917,1cyclictest0-21swapper/122:42:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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