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2025-12-18 - 06:11
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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 rack2slot0.osadl.org (updated Thu Dec 18, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100142960,1sleep341-21ksoftirqd/300:23:533
122732910,0sleep112274-21sshd21:13:221
59182810,0sleep35920-21grepconf.sh22:12:403
316462710,0sleep2311rcuc/222:49:082
199352580,1sleep119934-21bash23:55:231
199352580,1sleep119934-21bash23:55:231
176842550,1sleep10-21swapper/121:39:421
71132540,0sleep3391rcuc/323:22:013
286792540,0sleep20-21swapper/200:07:592
173832530,0sleep20-21swapper/222:36:022
258202520,0sleep20-21swapper/222:22:122
29202510,0sleep20-21swapper/221:11:232
218872510,0sleep20-21swapper/223:38:022
11402510,0sleep20-21swapper/221:56:452
25712500,1sleep12569-21sshd00:11:251
149402500,0sleep00-21swapper/023:31:310
152122490,0sleep30-21swapper/322:24:143
312292480,1sleep2311rcuc/222:00:172
27602480,0sleep30-21swapper/323:30:223
221412480,0sleep1241ktimersoftd/122:18:271
161892480,0sleep00-21swapper/022:24:200
130762480,0sleep30-21swapper/322:56:103
54242470,0sleep30-21swapper/322:16:243
264282470,0sleep10-21swapper/122:54:311
258332470,0sleep20-21swapper/200:04:502
137762470,0sleep2311rcuc/222:29:572
152912430,0sleep00-21swapper/000:18:290
99842319,7sleep10-21swapper/119:07:111
49122280,1sleep2649-21polkitd00:20:242
987222715,7sleep30-21swapper/319:05:493
988622210,7sleep20-21swapper/219:06:002
98492219,7sleep00-21swapper/019:05:300
221512210,0sleep00-21swapper/021:44:010
95782190,0sleep10-21swapper/121:25:441
65112180,0sleep10-21swapper/100:35:171
143592180,1sleep0111rcuc/021:13:500
10317991817,0cyclictest22997-21kworker/1:221:23:571
67422170,0sleep00-21swapper/023:19:060
277022170,0sleep10-21swapper/123:20:551
10317991616,0cyclictest5551-21kworker/1:323:30:091
293212150,0sleep10-21swapper/123:03:331
202192150,0sleep00-21swapper/000:24:500
186112150,0sleep00-21swapper/000:27:350
144172150,0sleep10-21swapper/122:35:451
299582140,0sleep3391rcuc/323:27:023
294582140,1sleep0111rcuc/021:23:230
10317991414,0cyclictest2464-21kworker/1:021:53:151
10317991413,0cyclictest10704-21kworker/1:120:35:151
1031399140,12cyclictest674-21dbus-daemon22:01:480
324072130,0sleep30-21swapper/322:52:053
26132130,0sleep10-21swapper/122:04:411
229002130,0sleep00-21swapper/021:32:360
10330991310,2cyclictest0-21swapper/323:58:453
10330991310,2cyclictest0-21swapper/323:58:453
1033099130,1cyclictest674-21dbus-daemon23:49:453
1032399130,12cyclictest723-21gdbus21:34:432
1031799133,1cyclictest25-21ksoftirqd/100:23:451
10317991311,1cyclictest15666-21kworker/1:422:43:411
1031799130,12cyclictest0-21swapper/122:49:331
1032399123,1cyclictest33-21ksoftirqd/222:34:092
1032399123,1cyclictest33-21ksoftirqd/200:29:182
1032399123,1cyclictest33-21ksoftirqd/200:11:002
1032399120,0cyclictest0-21swapper/223:56:332
1032399120,0cyclictest0-21swapper/223:56:332
1031799123,1cyclictest25-21ksoftirqd/100:29:411
10317991212,0cyclictest20705-21kworker/1:300:09:511
10317991211,0cyclictest24690-21lspci23:44:111
10317991210,1cyclictest649-21polkitd21:59:431
1031799120,11cyclictest23998-21lspci21:32:431
1031799120,11cyclictest0-21swapper/123:51:131
1031399120,1cyclictest18540-21bash21:51:080
1031399120,1cyclictest0-21swapper/022:25:480
1031399120,11cyclictest23936-21bash22:51:180
1031399120,11cyclictest0-21swapper/023:36:490
1033099119,1cyclictest0-21swapper/323:54:253
10330991110,0cyclictest0-21swapper/323:14:553
10330991110,0cyclictest0-21swapper/322:38:453
10330991110,0cyclictest0-21swapper/300:15:453
1033099110,10cyclictest2540-21lspci00:11:253
1033099110,10cyclictest0-21swapper/321:55:453
1032399119,1cyclictest328-21lspci21:52:532
1032399117,1cyclictest33-21ksoftirqd/200:16:492
1032399111,3cyclictest33-21ksoftirqd/222:14:322
1032399111,2cyclictest33-21ksoftirqd/223:40:422
1032399111,1cyclictest33-21ksoftirqd/223:20:202
1032399110,3cyclictest131rcu_sched23:04:132
1032399110,1cyclictest33-21ksoftirqd/222:41:572
1032399110,10cyclictest0-21swapper/223:51:532
1032399110,10cyclictest0-21swapper/222:06:242
1031799119,1cyclictest6303-21grep22:23:231
1031799119,1cyclictest25185-21lspci22:11:031
1031799119,1cyclictest11838-21kworker/1:222:29:391
1031799119,1cyclictest0-21swapper/122:33:241
1031799116,2cyclictest25-21ksoftirqd/100:18:031
1031799114,1cyclictest25-21ksoftirqd/121:44:441
1031799110,1cyclictest131rcu_sched00:30:191
1031799110,10cyclictest1-21systemd23:37:131
1031799110,10cyclictest0-21swapper/123:26:031
1031799110,10cyclictest0-21swapper/122:05:231
1031799110,10cyclictest0-21swapper/120:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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