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2025-08-30 - 01:10
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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 Aug 29, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2808821040,0sleep10-21swapper/111:35:071
183042770,0sleep20-21swapper/211:40:242
306402620,1sleep1646-21dbus-daemon12:03:031
237902580,0sleep20-21swapper/210:16:582
219432560,0sleep30-21swapper/312:10:503
278712550,1sleep027868-21lspci12:14:190
314692520,0sleep30-21swapper/309:54:233
248632520,0sleep20-21swapper/211:11:172
21962510,0sleep30-21swapper/310:35:413
204762510,0sleep00-21swapper/010:13:030
196982510,0sleep20-21swapper/212:07:482
182552510,0sleep00-21swapper/012:30:380
157332510,1sleep110007-1kworker/1:0H12:24:461
153232510,0sleep30-21swapper/309:10:103
111972510,0sleep311194-21sshd11:09:543
296332500,1sleep01-21systemd11:21:520
208472500,0sleep1231rcuc/111:04:191
208472500,0sleep1231rcuc/111:04:191
33702490,2sleep22189499cyclictest11:02:322
33702490,2sleep22189499cyclictest11:02:322
232132490,2sleep32189899cyclictest12:25:203
34582480,0sleep0111rcuc/009:44:310
181472480,0sleep10-21swapper/111:20:371
243502470,0sleep20-21swapper/209:39:452
139022470,11sleep375550irq/24-eno1-rx-11:40:063
270932460,0sleep20-21swapper/209:43:302
65382400,0sleep10-21swapper/110:08:191
230342370,1sleep2321ktimersoftd/210:30:442
2140323621,10sleep10-21swapper/107:05:241
2171822816,7sleep30-21swapper/307:09:233
216772276,6sleep20-21swapper/207:08:502
199822276,7sleep00-21swapper/007:05:030
152012270,7sleep0700-21gdbus09:52:450
209472220,0sleep00-21swapper/010:54:370
78072210,0sleep00-21swapper/009:24:090
78072210,0sleep00-21swapper/009:24:080
33922180,0sleep10-21swapper/111:42:071
271702180,0sleep1231rcuc/110:41:481
98452150,0sleep1231rcuc/110:50:091
48422150,1sleep34845-21bash11:57:523
318112150,0sleep10-21swapper/111:25:221
315592150,0sleep20-21swapper/211:51:022
271432150,0sleep00-21swapper/011:04:580
271432150,0sleep00-21swapper/011:04:580
232752150,0sleep0111rcuc/012:16:440
215052150,0sleep00-21swapper/010:44:320
135372150,1sleep013534-21lspci12:04:260
92142140,0sleep00-21swapper/010:01:540
245752140,0sleep30-21swapper/309:36:183
21898991411,2cyclictest616-13auditd11:18:313
109092140,0sleep00-21swapper/010:19:080
304002130,0sleep10-21swapper/110:14:091
227522130,0sleep3391rcuc/310:03:253
2189499131,1cyclictest0-21swapper/211:19:172
2189499130,1cyclictest18942-21lspci10:40:582
2188799130,12cyclictest0-21swapper/109:46:431
13902130,0sleep20-21swapper/209:30:162
21898991210,1cyclictest5274-21/usr/sbin/munin11:45:213
21898991210,1cyclictest28166-21grep10:58:313
2189899120,11cyclictest0-21swapper/312:22:513
2189899120,11cyclictest0-21swapper/310:19:303
2189499120,1cyclictest648-21systemd-logind10:20:182
2189499120,11cyclictest681-21gdbus12:16:392
2189499120,11cyclictest32138-21consoletype09:47:382
2189499120,11cyclictest0-21swapper/210:27:382
21887991211,0cyclictest3672-21lspci10:39:321
21887991211,0cyclictest10003-21lspci09:20:471
21887991211,0cyclictest10003-21lspci09:20:471
2188799120,1cyclictest31885-21sshd11:57:231
2188799120,11cyclictest0-21swapper/110:48:131
2188199120,1cyclictest8447-21lspci09:38:020
2188199120,11cyclictest646-21dbus-daemon12:09:420
2188199120,11cyclictest1175-21lspci11:35:320
2188199120,11cyclictest0-21swapper/010:35:320
21898991110,0cyclictest0-21swapper/312:07:113
21898991110,0cyclictest0-21swapper/311:28:503
21898991110,0cyclictest0-21swapper/310:11:413
21898991110,0cyclictest0-21swapper/309:19:403
2189899110,10cyclictest0-21swapper/312:15:213
2189899110,10cyclictest0-21swapper/311:33:313
2189899110,10cyclictest0-21swapper/311:12:213
2189899110,0cyclictest0-21swapper/311:23:413
2189899110,0cyclictest0-21swapper/310:47:513
21894991110,0cyclictest0-21swapper/211:48:392
21894991110,0cyclictest0-21swapper/211:07:582
21894991110,0cyclictest0-21swapper/209:28:372
2189499110,10cyclictest0-21swapper/208:05:272
2188799119,1cyclictest16828-21lspci12:07:321
2188799118,2cyclictest25-21ksoftirqd/109:55:001
21887991110,0cyclictest7194-21lspci11:45:311
21887991110,0cyclictest25843-21lspci11:53:401
21887991110,0cyclictest0-21swapper/112:15:431
21887991110,0cyclictest0-21swapper/110:27:131
2188799110,10cyclictest0-21swapper/110:23:331
2188799110,10cyclictest0-21swapper/109:27:131
2188199119,1cyclictest1-21systemd11:10:120
2188199119,1cyclictest0-21swapper/011:26:120
2188199110,10cyclictest0-21swapper/010:05:510
2188199110,10cyclictest0-21swapper/009:19:020
2188199110,10cyclictest0-21swapper/007:47:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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