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2026-04-03 - 21:36
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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 Fri Apr 03, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
994921090,2sleep23226599cyclictest12:36:392
2322221050,0sleep20-21swapper/211:12:272
2377021030,2sleep33227099cyclictest11:34:313
125212930,0sleep10-21swapper/110:44:101
205682750,0sleep00-21swapper/009:29:590
112942610,1sleep011282-21bash10:05:360
4462590,0sleep10-21swapper/111:27:001
297742580,0sleep10-21swapper/110:53:521
174382570,0sleep117430-21sshd10:55:281
285172550,1sleep328520-21bash10:26:183
8712530,0sleep00-21swapper/009:23:380
253352530,0sleep00-21swapper/012:32:280
307802520,1sleep030770-21sshd10:04:360
136092520,0sleep20-21swapper/210:38:472
85262510,3sleep18524-21lspci09:35:171
33232500,0sleep33315-21bash12:00:153
215712500,0sleep30-21swapper/312:15:333
209862500,0sleep00-21swapper/011:20:260
97512490,1sleep0101ktimersoftd/010:24:460
41202490,0sleep00-21swapper/012:38:570
309992490,0sleep10-21swapper/112:32:571
294252490,0sleep00-21swapper/009:37:040
188802490,2sleep03225299cyclictest09:33:280
178582490,0sleep20-21swapper/210:25:212
320542480,0sleep10-21swapper/111:40:381
146482480,0sleep00-21swapper/011:44:460
199662470,0sleep20-21swapper/209:50:002
66982460,1sleep06701-21grep12:19:540
283822460,1sleep3401ktimersoftd/309:19:093
196392460,0sleep30-21swapper/311:14:573
174062460,1sleep317405-21sshd10:00:383
150592460,0sleep20-21swapper/212:01:142
195752450,2sleep23226599cyclictest10:41:592
55222420,0sleep20-21swapper/211:00:012
314482420,2sleep23226599cyclictest09:37:142
3192124028,7sleep20-21swapper/207:07:152
142972390,0sleep30-21swapper/312:34:193
242282360,2sleep13226099cyclictest11:23:321
319212340,0sleep10-21swapper/112:08:141
3179723427,2sleep10-21swapper/107:05:421
109032340,0sleep30-21swapper/311:49:563
318182308,7sleep30-21swapper/307:05:563
269792250,0sleep10-21swapper/112:18:511
3202322110,7sleep00-21swapper/007:08:330
307572210,1sleep130756-21sshd11:37:491
41782190,1sleep2674-21dbus-daemon12:33:262
94012170,0sleep20-21swapper/210:24:452
32265991716,0cyclictest21640-21lspci09:55:312
194622170,0sleep10-21swapper/109:47:111
40322160,1sleep14027-21sshd09:56:481
32265991614,1cyclictest17269-21lspci10:06:082
214902160,0sleep20-21swapper/209:33:422
32265991514,0cyclictest321ktimersoftd/210:01:342
295082150,1sleep229510-21uname12:05:142
288622150,1sleep228858-21lspci11:07:262
263122150,1sleep3391rcuc/309:15:003
258362150,0sleep20-21swapper/211:34:422
185202150,1sleep1241ktimersoftd/110:00:441
157292150,0sleep00-21swapper/009:55:070
146382150,0sleep10-21swapper/111:55:401
32260991412,1cyclictest10741-21lspci10:35:431
32252991413,0cyclictest19603-21lspci10:47:280
163312140,0sleep00-21swapper/012:09:410
151652140,0sleep10-21swapper/110:27:561
147572140,0sleep20-21swapper/210:49:522
125702140,0sleep00-21swapper/011:17:020
3227099130,1cyclictest10510-21systemd-cgroups10:22:033
32265991312,0cyclictest8389-21lspci09:40:432
32265991312,0cyclictest6314-21lspci09:24:192
3226599130,1cyclictest7480-21bash11:55:092
3225299134,1cyclictest9-21ksoftirqd/010:55:130
32252991312,0cyclictest10543-21lspci11:25:080
225872130,0sleep10-21swapper/112:24:001
95522120,0sleep09533-21bash10:10:570
32270991210,1cyclictest5237-21cp10:43:333
32270991210,1cyclictest5204-21if_eno109:20:133
32270991210,1cyclictest3146-21bash10:57:033
3227099120,1cyclictest674-21dbus-daemon12:22:033
3227099120,11cyclictest19011-21lspci11:58:533
3227099120,11cyclictest1-21systemd09:35:233
32265991211,0cyclictest18189-21lspci10:11:422
32265991210,1cyclictest7776-21consoletype10:54:452
3226599120,11cyclictest642-21systemd-logind11:16:252
3226599120,11cyclictest1-21systemd09:52:152
32260991210,1cyclictest16488-21lspci10:47:121
3226099120,1cyclictest2652-21sshd09:19:581
3225299120,1cyclictest25815-21sshd11:09:590
3225299120,1cyclictest17745-21sshd10:41:490
3225299120,11cyclictest1-21systemd11:01:290
265142120,0sleep00-21swapper/010:53:350
3227099119,1cyclictest674-21dbus-daemon10:52:233
3227099119,1cyclictest0-21swapper/309:57:333
3226599119,1cyclictest33-21ksoftirqd/210:33:122
3226599119,1cyclictest25496-21lspci11:53:552
32265991111,0cyclictest321ktimersoftd/210:56:452
32265991110,0cyclictest31779-21lspci11:43:272
32265991110,0cyclictest24322-21lspci09:14:462
32265991110,0cyclictest0-21swapper/212:15:152
32265991110,0cyclictest0-21swapper/211:22:352
32265991110,0cyclictest0-21swapper/208:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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