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2026-04-29 - 09:02
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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 Wed Apr 29, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2828221220,1sleep128270-21sshd23:13:501
1956621120,1sleep10-21swapper/121:55:241
1887521000,2sleep118874-21sshd22:35:311
242112880,2sleep30-21swapper/323:49:553
3172628533,43sleep30-21swapper/319:07:473
31532850,2sleep32024-21nfsd22:12:053
226012850,1sleep010-21rcuc/000:03:550
236362840,4sleep13216299cyclictest23:16:431
13702840,2sleep21369-21sshd23:39:532
64152820,1sleep041ktimersoftd/000:13:040
2986828132,45sleep10-21swapper/119:05:091
218652810,1sleep30-21swapper/322:06:403
247072800,2sleep124700-21sshd22:32:471
228432800,2sleep10-21swapper/123:05:301
15242800,1sleep20-21swapper/222:33:482
220442790,2sleep30-21swapper/322:28:483
184662790,2sleep118465-21bash23:45:401
167242790,2sleep316715-21sshd21:19:403
230422760,1sleep20-21swapper/221:16:502
301672750,1sleep10-21swapper/122:43:531
70072740,2sleep33216499cyclictest22:30:493
3185127432,12sleep20-21swapper/219:09:222
278342730,2sleep00-21swapper/022:07:250
107272730,1sleep20-21swapper/223:48:252
293942720,1sleep30-21swapper/300:26:583
51272710,2sleep30-21swapper/322:19:473
274932690,2sleep30-21swapper/321:24:203
128862690,2sleep30-21swapper/321:26:133
128862690,2sleep30-21swapper/321:26:123
10972650,3sleep23216399cyclictest22:11:522
139692640,2sleep30-21swapper/323:01:063
3185925532,11sleep00-21swapper/019:09:280
109482390,0sleep210949-21id22:49:472
266902370,2sleep126686-21bash21:41:501
64782360,3sleep20-21swapper/222:19:572
53422350,0sleep15337-21rm22:15:401
89632330,1sleep041ktimersoftd/000:17:090
94472310,2sleep29446-21bash00:02:122
34082270,2sleep225-21rcuop/121:46:112
42892260,4sleep13216299cyclictest23:25:211
38532260,2sleep30-21swapper/322:52:323
3216499269,9cyclictest16060-21sshd23:15:523
314352260,24sleep2144650irq/27-eth023:54:122
105552260,0sleep010554-21seq22:56:430
3216499254,11cyclictest144650irq/27-eth022:55:213
3216499253,9cyclictest144650irq/27-eth022:22:573
3216499252,9cyclictest144650irq/27-eth023:10:063
3216499252,10cyclictest144650irq/27-eth023:30:353
3216499250,12cyclictest20131-21bash23:27:263
3216299250,4cyclictest3665-21bash23:51:031
253792250,3sleep00-21swapper/000:26:310
184702250,2sleep22512-21runrttasks23:34:442
72582240,2sleep27256-21bash22:20:022
325152240,3sleep23216399cyclictest19:10:132
324002240,2sleep232399-21users22:40:262
3216499244,9cyclictest144650irq/27-eth023:39:463
3216499244,10cyclictest144650irq/27-eth000:01:113
3216499242,9cyclictest144650irq/27-eth000:37:073
3216499240,3cyclictest0-21swapper/300:31:063
3216499240,2cyclictest0-21swapper/322:45:273
3216499240,13cyclictest0-21swapper/300:19:123
10252240,2sleep1960-21sshd23:57:511
32602230,20sleep2144650irq/27-eth021:35:262
3216499234,10cyclictest144650irq/27-eth023:59:443
3216499233,12cyclictest144650irq/27-eth021:43:413
3216499233,10cyclictest144650irq/27-eth021:31:593
3216499232,0cyclictest0-21swapper/321:55:373
3216499231,9cyclictest144650irq/27-eth000:23:013
3216499231,3cyclictest0-21swapper/323:05:233
3216499231,11cyclictest144650irq/27-eth021:45:153
3216499230,2cyclictest0-21swapper/323:22:053
3216499228,12cyclictest22129-21sshd22:35:533
3216499223,9cyclictest28950irq/26-ahci[00021:50:343
3216499223,9cyclictest144650irq/27-eth021:35:413
3216499223,9cyclictest144650irq/27-eth000:10:113
3216499223,11cyclictest144650irq/27-eth021:10:093
3216499223,10cyclictest144650irq/27-eth023:50:073
3216499223,10cyclictest144650irq/27-eth022:02:123
3216499222,9cyclictest28950irq/26-ahci[00023:40:103
3216499220,3cyclictest0-21swapper/322:40:213
3216499212,9cyclictest144650irq/27-eth000:05:573
3216499212,10cyclictest144650irq/27-eth021:00:193
3216499210,2cyclictest0-21swapper/320:20:133
3216499210,11cyclictest0-21swapper/320:15:173
3216499210,10cyclictest0-21swapper/320:35:113
163362210,19sleep2144650irq/27-eth021:26:372
163362210,19sleep2144650irq/27-eth021:26:362
3216499200,3cyclictest0-21swapper/319:25:213
3216499200,3cyclictest0-21swapper/319:20:113
3216499200,2cyclictest0-21swapper/321:05:183
3216499200,2cyclictest0-21swapper/320:50:123
3216499200,2cyclictest0-21swapper/320:33:453
3216499200,2cyclictest0-21swapper/319:50:203
3216499200,2cyclictest0-21swapper/319:40:193
3216499200,2cyclictest0-21swapper/319:30:143
271492201,17sleep2144650irq/27-eth000:34:072
221592200,18sleep1144650irq/27-eth000:37:191
3216499190,2cyclictest0-21swapper/320:58:173
3216499190,2cyclictest0-21swapper/320:45:123
3216499190,2cyclictest0-21swapper/320:25:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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