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2026-03-19 - 23:34
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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 Mar 19, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273392880,2sleep12910699cyclictest11:24:501
181152830,0sleep218116-21sshd11:59:552
274312730,0sleep20-21swapper/210:51:502
190522730,0sleep10-21swapper/110:03:511
296452670,0sleep30-21swapper/310:43:463
90622610,2sleep32911999cyclictest09:59:193
58892560,0sleep20-21swapper/211:42:162
229002560,0sleep00-21swapper/011:35:220
305492550,0sleep20-21swapper/209:47:462
272952550,0sleep10-21swapper/112:28:141
100462540,0sleep20-21swapper/211:17:502
198042530,1sleep30-21swapper/309:16:263
40752520,0sleep3391rcuc/311:47:393
316732510,0sleep3401ktimersoftd/310:32:523
308622500,0sleep10-21swapper/109:24:021
309612490,0sleep10-21swapper/110:41:041
22512490,2sleep02910299cyclictest12:06:450
148542490,0sleep00-21swapper/010:50:430
26492480,0sleep20-21swapper/209:24:472
58912470,0sleep30-21swapper/311:14:453
26412430,1sleep125-21ksoftirqd/111:03:301
2880324230,7sleep30-21swapper/307:07:353
84662400,0sleep30-21swapper/310:16:313
229302340,1sleep12910699cyclictest10:29:261
287062309,6sleep20-21swapper/207:06:222
288012298,7sleep10-21swapper/107:07:331
2889422312,7sleep00-21swapper/007:08:430
144132210,1sleep3674-21dbus-daemon11:31:563
78332200,0sleep00-21swapper/009:31:050
69542180,0sleep00-21swapper/011:58:560
212392180,0sleep30-21swapper/312:24:593
29106991716,0cyclictest241ktimersoftd/109:47:371
74962160,0sleep30-21swapper/311:06:373
302012160,0sleep00-21swapper/011:22:160
177632160,1sleep11002-21snmpd11:13:001
146662160,1sleep114639-21sshd12:07:501
104422160,0sleep20-21swapper/212:21:142
43262150,0sleep20-21swapper/212:12:292
29119991514,0cyclictest21291-21lspci11:51:513
29106991514,0cyclictest13415-21kworker/1:110:46:491
2910699150,14cyclictest0-21swapper/111:51:431
2910299150,1cyclictest0-21swapper/008:30:140
193932150,1sleep319396-21bash12:02:443
159262150,1sleep0101ktimersoftd/012:35:300
118382150,0sleep20-21swapper/211:34:322
29106991413,0cyclictest2696-21kworker/1:410:17:221
252322140,0sleep30-21swapper/310:11:223
204072140,0sleep10-21swapper/112:11:041
66142130,0sleep10-21swapper/110:33:311
313642130,0sleep30-21swapper/310:35:323
2911999130,12cyclictest9924-21sshd11:28:493
2911299130,11cyclictest8463-21cat10:20:002
29106991312,0cyclictest25312-21kworker/1:011:16:271
29106991312,0cyclictest19714-21kworker/1:411:42:271
29106991311,1cyclictest4500-21lspci10:09:141
29106991311,1cyclictest15567-21kworker/1:107:55:141
2910699130,12cyclictest0-21swapper/110:57:341
2910299130,1cyclictest22209-21sshd12:16:450
2910299130,12cyclictest649-21polkitd11:44:040
248992130,0sleep30-21swapper/309:40:133
183962130,0sleep30-21swapper/310:56:363
136662130,0sleep00-21swapper/011:26:200
121812130,0sleep30-21swapper/312:13:103
29119991210,1cyclictest23239-21sshd12:16:493
29112991210,1cyclictest18357-21lspci12:08:092
2911299120,1cyclictest1-21systemd11:14:192
2911299120,11cyclictest6292-21sshd12:18:092
2911299120,11cyclictest11965-21lspci11:28:592
2911299120,11cyclictest0-21swapper/209:10:102
2910699123,1cyclictest649-21polkitd10:12:251
29106991212,0cyclictest3589-21kworker/1:209:11:501
29106991211,0cyclictest30051-21kworker/1:011:30:101
29106991211,0cyclictest20527-21kworker/1:012:15:131
29106991210,1cyclictest14263-21sshd09:35:341
29106991210,1cyclictest13866-21kworker/1:309:18:451
2910699120,9cyclictest21567-21kworker/1:012:31:081
2910699120,1cyclictest11687-21bash12:02:041
2910699120,11cyclictest12723-21bash11:48:241
2910299120,1cyclictest1307-21grepconf.sh11:00:340
236752120,0sleep3391rcuc/311:43:503
2911999110,10cyclictest0-21swapper/310:24:393
2911299110,10cyclictest0-21swapper/210:33:202
2911299110,0cyclictest0-21swapper/212:27:402
2911299110,0cyclictest0-21swapper/211:38:392
2911299110,0cyclictest0-21swapper/210:48:092
2911299110,0cyclictest0-21swapper/210:00:502
2910699119,1cyclictest4275-21sshd11:39:241
2910699119,1cyclictest19121-21kworker/1:410:50:071
2910699119,1cyclictest1073-21nfsd09:25:541
29106991111,0cyclictest13147-21kworker/1:311:57:431
29106991110,0cyclictest2550-21kworker/1:311:25:171
29106991110,0cyclictest17734-21kworker/1:212:20:451
29106991110,0cyclictest0-21swapper/109:05:131
2910699110,10cyclictest0-21swapper/111:09:441
2910699110,10cyclictest0-21swapper/109:40:431
2910699110,10cyclictest0-21swapper/107:45:031
2910299119,1cyclictest29642-21bash11:30:240
29102991110,0cyclictest0-21swapper/010:12:440
2910299110,10cyclictest0-21swapper/012:31:240
2910299110,10cyclictest0-21swapper/009:41:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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