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2026-09-02 - 07:26
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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 Sep 02, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1590321470,3sleep03157399cyclictest22:49:340
2022421460,3sleep03157399cyclictest21:38:080
1101021410,1sleep311008-21sshd00:04:313
1327021300,2sleep20-21swapper/223:41:382
101321290,1sleep0991-21sshd00:23:480
1106121260,2sleep111062-21sshd22:25:501
460921210,2sleep34598-21sshd21:50:453
2745421210,1sleep30-21swapper/323:42:553
57021150,1sleep10-21swapper/123:40:291
1033721150,3sleep110333-21sshd23:50:031
2577921010,6sleep03-21ksoftirqd/000:02:560
3109829833,44sleep10-21swapper/119:07:051
125612960,0sleep00-21swapper/021:54:320
168382950,2sleep00-21swapper/023:04:130
252652910,0sleep041ktimersoftd/022:12:380
278322900,1sleep00-21swapper/022:50:300
317312880,2sleep10-21swapper/122:13:161
173972880,2sleep217398-21bash23:36:172
142872870,2sleep214285-21sshd21:29:042
45782860,3sleep20-21swapper/222:28:192
25452860,2sleep30-21swapper/321:30:463
199172840,1sleep30-21swapper/300:19:473
199172840,1sleep30-21swapper/300:19:463
67412830,0sleep00-21swapper/000:38:360
3101528332,42sleep30-21swapper/319:06:053
327412820,4sleep20-21swapper/221:13:502
266842820,2sleep22023-21nfsd22:50:242
195412820,1sleep20-21swapper/222:00:422
266832810,0sleep00-21swapper/022:27:220
265472810,3sleep226366-21sshd00:05:472
165502800,3sleep20-21swapper/200:02:062
130282800,2sleep20-21swapper/200:21:582
99112790,2sleep29910-21sshd23:23:472
77312760,2sleep13157799cyclictest23:09:101
310082750,2sleep20-21swapper/223:34:412
305552750,1sleep23158299cyclictest22:24:472
156722750,2sleep215666-21sshd00:27:552
49372740,2sleep12024-21nfsd22:31:151
304342740,2sleep330436-21df_abs22:10:133
195222730,2sleep319511-21sshd23:33:343
261872720,4sleep33158699cyclictest00:28:523
126162680,3sleep03157399cyclictest22:23:050
243592670,1sleep124360-21sshd00:28:431
39802600,0sleep33982-21sshd22:28:173
3111725833,13sleep00-21swapper/019:07:190
3123725733,12sleep20-21swapper/219:08:502
255742540,0sleep225575-21bash22:41:512
275922510,2sleep127575-21sshd22:53:321
226962420,2sleep12024-21nfsd00:20:001
226962420,2sleep12024-21nfsd00:20:001
238022370,35sleep1144650irq/27-eth021:10:121
172162350,1sleep10-21swapper/121:57:451
152942330,3sleep10-21swapper/122:49:311
170352320,1sleep03-21ksoftirqd/021:43:290
60402310,28sleep3144650irq/27-eth022:08:063
209002310,3sleep10-21swapper/123:45:141
45392290,0sleep041ktimersoftd/000:09:420
204312270,2sleep20-21swapper/221:43:482
218492260,4sleep33158699cyclictest23:56:423
160532260,2sleep216037-21sshd21:17:582
326252250,22sleep1144650irq/27-eth023:37:411
152292250,0sleep00-21swapper/022:35:060
109832250,2sleep20-21swapper/223:15:092
35892240,22sleep228950irq/26-ahci[00022:48:292
3157399240,1cyclictest26956-21id23:13:400
315602240,2sleep131529-21sshd00:32:121
171932240,1sleep10-21swapper/121:46:151
129372240,22sleep3144650irq/27-eth021:28:593
105092240,1sleep010507-21bash21:25:500
102842241,21sleep1144650irq/27-eth021:31:291
54782230,1sleep30-21swapper/322:54:293
312862230,3sleep33158699cyclictest21:39:083
20902230,21sleep3144650irq/27-eth000:09:293
130512230,13sleep02024-21nfsd21:12:030
293982220,0sleep129396-21sshd21:24:471
178642220,20sleep1144650irq/27-eth022:17:501
163812220,3sleep30-21swapper/321:20:433
156772220,3sleep20-21swapper/221:31:572
155962220,2sleep12023-21nfsd23:21:211
65552210,19sleep3144650irq/27-eth023:09:063
31586992115,4cyclictest26142-21sshd22:56:163
3158299214,8cyclictest30096-21sshd00:32:032
3158299214,3cyclictest29354-21bash00:14:472
3158299214,3cyclictest0-21swapper/223:45:352
234872210,18sleep228950irq/26-ahci[00022:12:302
314442200,1sleep10-21swapper/100:06:141
31582991914,3cyclictest30269-21sshd22:56:382
3157799190,17cyclictest30108-21sshd00:11:531
314652190,1sleep031449-21sshd21:24:570
245802190,4sleep33158699cyclictest21:10:133
3158699181,12cyclictest12197-21sshd21:45:473
31586991810,2cyclictest6310-21sshd21:19:583
3158299185,7cyclictest26515-21bash21:24:312
3158299185,1cyclictest2132-21sshd21:46:552
3158299183,13cyclictest19107-21sshd00:36:472
31577991813,3cyclictest2132-21sshd22:36:221
3157799180,16cyclictest0-21swapper/121:52:331
3157799180,13cyclictest2405-21sshd22:02:051
303652180,16sleep1144650irq/27-eth023:57:291
237672180,1sleep20-21swapper/223:10:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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