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2025-11-21 - 00:28
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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 Nov 20, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2550821060,0sleep20-21swapper/211:56:592
241542930,1sleep224143-21sshd09:55:152
220242920,0sleep00-21swapper/010:50:520
91042790,3sleep233-21ksoftirqd/212:30:472
88992730,0sleep00-21swapper/010:17:570
289862690,0sleep20-21swapper/212:13:492
232712690,1sleep20-21swapper/211:36:202
232712690,1sleep20-21swapper/211:36:202
195972620,0sleep019598-21bash10:22:290
73602590,1sleep1231rcuc/111:20:451
301032580,1sleep030099-21bash11:30:010
23302580,1sleep1231rcuc/110:13:441
201332580,0sleep0111rcuc/009:19:450
175142580,0sleep10-21swapper/111:04:311
303502570,0sleep00-21swapper/012:32:500
145792570,0sleep114578-21grep12:37:231
139522570,0sleep20-21swapper/210:11:292
293782550,0sleep11164899cyclictest11:33:151
255842530,0sleep30-21swapper/312:29:243
311982520,0sleep20-21swapper/209:35:172
124542520,0sleep30-21swapper/310:00:493
307482510,0sleep10-21swapper/110:55:341
298482510,0sleep10-21swapper/112:32:461
200402510,1sleep320039-21sshd10:22:323
288002500,0sleep00-21swapper/010:02:420
1142224938,6sleep20-21swapper/207:08:382
234782480,0sleep00-21swapper/009:23:530
216632480,0sleep20-21swapper/210:43:572
15412480,1sleep21531-21sshd11:54:392
321662470,0sleep11164899cyclictest09:08:241
307202360,1sleep330719-21bash11:26:403
1124123624,7sleep30-21swapper/307:06:233
131642220,0sleep30-21swapper/311:14:183
97452219,7sleep00-21swapper/007:05:080
1122422110,7sleep10-21swapper/107:06:091
11648991917,1cyclictest27933-21lspci11:57:141
55672180,0sleep00-21swapper/011:37:540
55672180,0sleep00-21swapper/011:37:540
236962180,0sleep30-21swapper/312:00:043
140472180,0sleep10-21swapper/111:18:051
114212180,1sleep311426-21bash09:43:353
306392170,1sleep3401ktimersoftd/310:27:123
275252170,0sleep227524-21bash12:29:352
224012160,0sleep10-21swapper/111:46:321
148092160,0sleep00-21swapper/010:11:350
11648991615,0cyclictest31608-21lspci11:50:591
59662150,0sleep25968-21grepconf.sh10:31:402
270982150,1sleep3401ktimersoftd/311:33:013
266182150,1sleep1231rcuc/110:23:141
244712150,0sleep3391rcuc/310:30:053
169742150,1sleep21095-21nfsd10:57:352
143292150,0sleep3391rcuc/311:21:313
118232150,0sleep20-21swapper/209:18:502
11653991514,0cyclictest7890-21lspci12:18:082
11648991514,0cyclictest4693-21kworker/1:009:50:251
11648991514,0cyclictest20315-21lspci09:19:461
11648991514,0cyclictest15864-21lspci09:37:111
11648991513,1cyclictest25161-21lspci10:33:441
261312140,0sleep20-21swapper/209:24:112
237802140,0sleep00-21swapper/011:56:490
152762140,0sleep00-21swapper/009:33:420
11653991413,0cyclictest6937-21lspci10:28:122
11648991413,0cyclictest30561-21kworker/1:112:24:511
11648991413,0cyclictest30439-21lspci12:04:191
11648991412,1cyclictest24962-21kworker/1:209:59:151
11653991312,0cyclictest9088-21lspci09:10:362
11653991312,0cyclictest25142-21lspci11:26:032
11648991312,0cyclictest32743-21lspci12:17:241
11648991312,0cyclictest10278-21lspci11:10:261
11648991311,1cyclictest19157-21kworker/1:011:36:191
11648991311,1cyclictest19157-21kworker/1:011:36:191
1164899130,12cyclictest13906-21lspci12:12:191
11642991311,1cyclictest30852-21sshd11:16:180
1164299130,1cyclictest4794-21sshd10:06:580
1166399120,11cyclictest3362-21sshd12:36:193
1165399120,11cyclictest30269-21lspci10:20:112
11648991211,1cyclictest11403-21kworker/1:212:05:171
11648991211,0cyclictest33050irq/27-ahci[00010:51:141
11648991211,0cyclictest3006-21lspci10:27:441
11648991211,0cyclictest26081-21kworker/1:011:29:031
1164899120,1cyclictest8575-21sshd11:06:591
1164899120,0cyclictest0-21swapper/109:41:281
1164299120,1cyclictest9902-21sshd10:49:380
11663991110,0cyclictest0-21swapper/311:06:383
1166399110,0cyclictest0-21swapper/312:21:593
1165399119,1cyclictest33-21ksoftirqd/211:45:452
11653991110,0cyclictest0-21swapper/212:23:122
11653991110,0cyclictest0-21swapper/210:05:112
11653991110,0cyclictest0-21swapper/209:43:012
1165399110,10cyclictest0-21swapper/211:42:022
11648991110,1cyclictest18401-21kworker/1:109:10:141
11648991110,0cyclictest4215-21kworker/1:009:25:591
11648991110,0cyclictest33050irq/27-ahci[00012:26:271
11648991110,0cyclictest24962-21kworker/1:210:00:491
1164299119,1cyclictest28051-21bash12:29:380
1164299119,1cyclictest24356-21lspci12:00:080
11642991110,0cyclictest0-21swapper/011:07:080
11642991110,0cyclictest0-21swapper/010:32:380
1166399109,0cyclictest22457-21lspci11:43:073
1166399109,0cyclictest10859-21sshd10:46:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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