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2026-04-28 - 05:06
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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 Apr 28, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2471121250,0sleep20-21swapper/222:44:282
1341121200,6sleep01251299cyclictest23:58:240
1901421100,2sleep219003-21sshd22:01:162
12205210533,44sleep30-21swapper/319:09:253
26342920,7sleep20-21swapper/223:53:482
6762910,0sleep00-21swapper/022:35:000
322782860,5sleep20-21swapper/221:27:462
1224828534,42sleep10-21swapper/119:09:551
120532850,2sleep10-21swapper/123:44:311
23162830,1sleep00-21swapper/021:56:050
149852820,2sleep30-21swapper/321:46:223
149852820,2sleep30-21swapper/321:46:223
293192810,2sleep329316-21sshd21:27:273
40772800,4sleep31251599cyclictest21:10:123
142792800,2sleep041ktimersoftd/023:30:180
293232780,0sleep00-21swapper/000:33:100
266622780,1sleep11251399cyclictest22:55:421
203542780,2sleep10-21swapper/122:47:231
43672770,1sleep34368-21sshd00:08:013
193402760,1sleep00-21swapper/022:01:180
84172740,3sleep11251399cyclictest22:35:411
228402740,2sleep12512-21runrttasks21:50:381
228402740,2sleep12512-21runrttasks21:50:371
290682730,2sleep129067-21sshd23:39:141
203112720,2sleep220312-21sshd23:30:572
184052720,3sleep10-21swapper/123:30:441
1219427233,11sleep20-21swapper/219:09:172
296292710,2sleep20-21swapper/223:24:432
114772690,3sleep31251599cyclictest22:18:003
87132640,5sleep01251299cyclictest21:32:050
56392620,2sleep25633-21sshd22:24:202
91722600,58sleep128950irq/26-ahci[00022:10:501
1199724033,4sleep00-21swapper/019:06:530
49882390,2sleep30-21swapper/322:53:073
126132350,2sleep10-21swapper/121:39:241
177062331,30sleep3144650irq/27-eth023:05:193
313672270,0sleep00-21swapper/022:20:090
315782260,1sleep20-21swapper/221:13:072
255812260,24sleep3144650irq/27-eth022:47:593
1251399260,24cyclictest0-21swapper/120:20:151
91222250,3sleep30-21swapper/300:01:233
37962240,3sleep20-21swapper/221:56:152
283962240,3sleep30-21swapper/300:29:333
280992240,3sleep20-21swapper/221:30:402
236182240,22sleep1144650irq/27-eth023:05:521
13872240,2sleep31380-21rm22:02:533
313982220,2sleep225-21rcuop/100:22:262
309762220,1sleep325-21rcuop/121:41:133
255862210,19sleep1144650irq/27-eth021:55:111
216442210,2sleep30-21swapper/323:48:573
216442210,2sleep30-21swapper/323:48:563
169232210,19sleep3144650irq/27-eth023:51:513
159742210,19sleep3144650irq/27-eth023:44:583
5142200,2sleep1513-21sshd21:48:211
5142200,2sleep1513-21sshd21:48:211
297592200,18sleep3144650irq/27-eth000:22:163
262962200,0sleep00-21swapper/021:40:420
288192190,2sleep30-21swapper/323:31:533
131562190,3sleep21251499cyclictest22:18:122
127022190,0sleep00-21swapper/023:47:580
127022190,0sleep00-21swapper/023:47:570
12515991912,6cyclictest32497-21sshd23:10:193
1251299190,18cyclictest22134-21taskset00:25:010
310802180,16sleep1144650irq/27-eth022:02:361
27632180,1sleep00-21swapper/000:04:160
270662180,16sleep3144650irq/27-eth021:51:133
270662180,16sleep3144650irq/27-eth021:51:123
172772180,4sleep20-21swapper/221:46:372
172772180,4sleep20-21swapper/221:46:372
1251399188,4cyclictest5899-21sshd22:20:461
1251299180,1cyclictest0-21swapper/023:05:340
1251299180,1cyclictest0-21swapper/021:25:130
212952170,0sleep321292-21cp22:33:443
1251599170,5cyclictest9853-21sshd21:39:053
1251599170,15cyclictest30298-21fschecks_time00:15:163
1251599170,15cyclictest0-21swapper/320:05:183
1251499171,9cyclictest0-21swapper/223:38:522
1251399170,12cyclictest25777-21sshd00:06:411
12512991713,3cyclictest9769-21sshd21:49:200
12512991713,3cyclictest9769-21sshd21:49:200
1251299170,2cyclictest7280-21sshd22:32:120
1251299170,2cyclictest30459-21sshd22:41:330
1251299170,2cyclictest28600-21sshd22:51:590
1251299170,1cyclictest0-21swapper/023:44:040
1251299170,16cyclictest0-21swapper/023:19:390
46982160,2sleep14697-21uniq21:10:141
34792160,14sleep3144650irq/27-eth022:20:303
220872160,2sleep20-21swapper/223:49:002
220872160,2sleep20-21swapper/223:49:002
1251599168,4cyclictest19753-21sshd23:15:553
12515991610,1cyclictest2265-21sshd23:25:143
1251599160,4cyclictest20007-21sshd22:55:023
1251599160,14cyclictest0-21swapper/300:34:463
1251599160,11cyclictest24081-21sshd00:10:223
1251599160,11cyclictest18728-21sshd22:40:173
12514991614,1cyclictest0-21swapper/222:53:372
1251499160,9cyclictest0-21swapper/222:14:212
12513991614,1cyclictest0-21swapper/100:17:411
12513991612,3cyclictest7633-21cp23:54:221
12513991611,4cyclictest5153-21sshd23:57:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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