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2026-07-18 - 04:52
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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 Sat Jul 18, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
728321280,2sleep31944399cyclictest21:23:433
19171210832,43sleep10-21swapper/119:09:511
19158210834,44sleep30-21swapper/319:09:413
77432940,2sleep27745-21bash22:24:132
52042930,1sleep10-21swapper/123:32:091
190712910,2sleep10-21swapper/123:19:351
78592890,0sleep00-21swapper/021:48:360
154832850,0sleep00-21swapper/022:00:070
258132840,1sleep00-21swapper/021:29:090
172792830,2sleep317280-21nfsd400:35:183
179602820,2sleep217961-21sshd00:13:342
168272820,3sleep20-21swapper/223:55:342
162852820,0sleep00-21swapper/023:44:460
148152810,1sleep10-21swapper/122:57:191
60312800,1sleep06032-21bash00:26:310
250472800,2sleep20-21swapper/200:03:402
98502770,1sleep30-21swapper/300:12:383
224472770,2sleep322444-21sshd23:12:383
195702770,2sleep319567-21sshd22:36:213
186542770,1sleep10-21swapper/121:28:231
175882770,1sleep00-21swapper/021:53:210
125862770,2sleep30-21swapper/322:10:113
45892760,2sleep14588-21bash22:09:211
327352760,2sleep232733-21sshd23:24:402
240382760,1sleep10-21swapper/122:40:201
171312760,3sleep11944199cyclictest00:16:571
53402750,2sleep32024-21nfsd21:52:003
12272750,2sleep31944399cyclictest22:41:213
97072730,2sleep29700-21sshd00:16:062
191372730,0sleep00-21swapper/000:35:270
189052730,2sleep10-21swapper/121:53:311
310462720,4sleep21944299cyclictest00:22:112
116782680,2sleep21944299cyclictest22:17:372
277842640,1sleep20-21swapper/222:47:462
1916226032,16sleep20-21swapper/219:09:452
1904726034,4sleep00-21swapper/019:08:180
177062520,0sleep017702-21cp22:21:420
278612290,10sleep127850-21sshd22:01:201
277532290,1sleep00-21swapper/022:15:450
3082280,2sleep30-21swapper/300:33:183
265982280,2sleep20-21swapper/221:22:192
108042280,4sleep21944299cyclictest21:45:102
97442260,2sleep29741-21sshd23:54:582
25562260,1sleep12559-21sshd23:54:091
251682260,0sleep20-21swapper/222:11:322
157192260,2sleep115717-21sshd22:18:041
228072250,5sleep31944399cyclictest22:00:473
222712250,0sleep00-21swapper/023:52:440
186452250,3sleep01944099cyclictest00:10:070
93752240,3sleep19376-21bash23:36:261
305872240,4sleep30-21swapper/321:58:133
199232240,2sleep30-21swapper/300:28:103
140662240,0sleep314067-21bash23:08:153
72302230,0sleep17166-21sshd00:12:201
282282230,2sleep30-21swapper/322:58:493
255322230,21sleep228950irq/26-ahci[00023:34:312
202962230,21sleep3144650irq/27-eth000:17:203
322642220,1sleep20-21swapper/221:15:522
201322220,3sleep20-21swapper/200:31:412
1944299225,10cyclictest32489-21bash22:34:112
132212220,2sleep30-21swapper/321:49:203
1944299215,9cyclictest2024-21nfsd21:12:192
1944299215,9cyclictest2024-21nfsd21:12:192
242802200,0sleep20-21swapper/221:28:592
221412200,2sleep122142-21id00:35:481
1944299205,9cyclictest14364-21sshd00:38:382
1944299204,9cyclictest5441-21bash21:55:252
9012190,17sleep3144650irq/27-eth022:26:563
276422190,2sleep127641-21sshd21:22:251
203842190,2sleep10-21swapper/122:10:571
1944299197,4cyclictest32762-21sshd22:01:532
1944299190,12cyclictest16383-21sshd22:35:592
19440991914,1cyclictest0-21swapper/000:16:260
129502190,2sleep12512-21runrttasks20:05:161
116322190,17sleep2144650irq/27-eth023:40:372
53452180,2sleep20-21swapper/222:05:512
1944299186,9cyclictest20215-21sshd00:06:392
121932181,15sleep2144650irq/27-eth021:41:472
261302170,1sleep126122-21sshd23:42:151
238962170,3sleep10-21swapper/119:20:011
1944399175,3cyclictest7006-21bash23:25:203
19443991715,1cyclictest0-21swapper/319:33:073
19443991715,1cyclictest0-21swapper/300:23:483
1944399170,8cyclictest0-21swapper/322:52:483
1944399170,15cyclictest0-21swapper/323:32:583
1944399170,14cyclictest0-21swapper/321:10:143
1944399170,14cyclictest0-21swapper/321:10:133
1944299175,9cyclictest2024-21nfsd22:52:322
1944299175,4cyclictest20865-21sshd22:40:052
1944299170,13cyclictest0-21swapper/220:55:572
196872160,1sleep019681-21bash00:24:330
1944399168,3cyclictest12034-21sshd21:17:153
19443991613,2cyclictest36-21rcuop/223:16:203
19443991612,2cyclictest0-21swapper/300:05:243
1944399160,4cyclictest476-21sshd22:34:143
1944399160,14cyclictest7377-21sshd23:03:523
1944399160,14cyclictest25637-21sshd23:53:063
1944399160,14cyclictest10023-21id21:30:473
1944399160,14cyclictest0-21swapper/322:46:073
1944399160,11cyclictest23322-21sshd23:45:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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