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2026-05-10 - 02:16
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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 Sun May 10, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310521170,3sleep32946599cyclictest00:27:533
2626921040,1sleep00-21swapper/021:45:150
212012960,0sleep00-21swapper/022:30:250
305842930,2sleep20-21swapper/223:51:052
170542910,4sleep20-21swapper/222:01:562
60042880,0sleep00-21swapper/023:51:580
24552860,1sleep00-21swapper/022:46:140
24552860,1sleep00-21swapper/022:46:140
187832860,2sleep318778-21sshd23:09:033
287652840,2sleep328764-21sshd21:28:273
135562840,1sleep10-21swapper/123:45:471
2914528233,45sleep30-21swapper/319:09:173
90592810,2sleep20-21swapper/200:17:262
2901928134,43sleep10-21swapper/119:07:401
242052810,1sleep024200-21sshd22:23:500
184962810,1sleep118478-21sshd22:19:511
146202810,2sleep10-21swapper/121:00:011
133662810,3sleep20-21swapper/200:21:472
43942800,4sleep02946099cyclictest23:26:030
126282800,0sleep00-21swapper/022:29:350
195882780,2sleep30-21swapper/323:20:443
310912770,1sleep30-21swapper/323:03:263
152742770,2sleep10-21swapper/100:29:271
147142770,2sleep314681-21sshd00:03:563
76732760,1sleep00-21swapper/023:45:130
18192740,2sleep32946599cyclictest23:58:553
100872740,2sleep10-21swapper/121:57:151
104622720,1sleep210461-21bash23:35:062
2896627038,19sleep20-21swapper/219:07:082
200672690,1sleep30-21swapper/321:48:033
167222670,3sleep30-21swapper/322:23:013
303552660,3sleep12023-21nfsd00:01:541
73412650,2sleep12946399cyclictest19:30:171
137812620,4sleep22946499cyclictest23:08:282
2901326032,4sleep00-21swapper/019:07:340
233342360,1sleep00-21swapper/000:22:530
17202331,30sleep1144650irq/27-eth022:14:391
298852310,1sleep02512-21runrttasks23:21:530
179832280,2sleep117980-21sshd23:01:591
40102263,21sleep1144650irq/27-eth023:41:181
316912260,2sleep30-21swapper/321:35:293
299332260,2sleep229934-21bash22:59:512
129622260,2sleep212956-21sshd00:14:252
262102240,3sleep12946399cyclictest21:24:491
178322240,0sleep017833-21sshd21:27:160
30872230,1sleep03078-21sshd21:35:550
230992230,2sleep20-21swapper/221:27:502
19642230,2sleep20-21swapper/221:18:322
107312230,3sleep30-21swapper/322:08:433
83662220,0sleep00-21swapper/021:53:410
302882220,3sleep330286-21sshd22:34:593
122992220,20sleep3144650irq/27-eth023:11:483
309752210,2sleep20-21swapper/223:47:442
114622210,2sleep30-21swapper/323:45:333
244432202,16sleep3144650irq/27-eth022:10:133
147082200,18sleep3144650irq/27-eth000:21:563
83742190,2sleep30-21swapper/322:40:053
2946499192,15cyclictest33-21ksoftirqd/219:55:222
2946499190,7cyclictest0-21swapper/223:41:122
29463991911,6cyclictest0-21swapper/122:49:401
29463991911,6cyclictest0-21swapper/122:49:401
29460991917,1cyclictest0-21swapper/021:11:510
89852180,16sleep3144650irq/27-eth000:32:233
2946599187,7cyclictest44-21ksoftirqd/321:33:253
2946599183,9cyclictest44-21ksoftirqd/322:00:003
29465991816,1cyclictest0-21swapper/321:21:533
2946499182,9cyclictest3837-21sshd22:32:052
2946499182,7cyclictest10244-21sshd21:50:222
29464991812,5cyclictest0-21swapper/222:41:072
29463991813,4cyclictest19793-21bash23:12:441
253312180,2sleep325323-21sshd22:48:473
253312180,2sleep325323-21sshd22:48:463
204732180,16sleep1144650irq/27-eth000:37:131
140322180,16sleep3144650irq/27-eth023:16:013
2946599178,4cyclictest2132-21sshd22:35:243
2946499178,8cyclictest33-21ksoftirqd/221:32:262
2946499177,8cyclictest2385-21sshd23:00:172
2946499176,6cyclictest0-21swapper/222:46:452
2946499176,6cyclictest0-21swapper/222:46:452
2946499176,2cyclictest144650irq/27-eth021:40:262
2946499175,11cyclictest0-21swapper/221:01:452
2946499175,11cyclictest0-21swapper/220:38:572
2946499173,1cyclictest7015-21sshd22:35:492
2946499172,1cyclictest33-21ksoftirqd/200:32:342
2946499171,3cyclictest33-21ksoftirqd/222:15:592
29464991713,3cyclictest2024-21nfsd00:07:312
2946499170,16cyclictest33-21ksoftirqd/223:10:132
2946399170,8cyclictest0-21swapper/122:20:161
2946399170,15cyclictest31838-21sshd21:45:471
2946399170,15cyclictest0-21swapper/122:38:081
2946399170,15cyclictest0-21swapper/121:17:221
96842160,4sleep30-21swapper/300:10:263
59392160,14sleep1144650irq/27-eth021:29:311
44652160,14sleep1144650irq/27-eth022:32:111
43982160,14sleep1144650irq/27-eth021:36:041
314242160,14sleep1144650irq/27-eth023:06:521
2946599168,3cyclictest0-21swapper/322:52:153
2946599167,5cyclictest0-21swapper/322:00:253
29465991614,1cyclictest0-21swapper/323:32:473
2946599160,5cyclictest0-21swapper/322:19:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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