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2026-07-25 - 17:47
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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 rack5slot0.osadl.org (updated Sat Jul 25, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1562821530,2sleep30-21swapper/310:33:463
1850221310,3sleep21905499cyclictest11:33:282
1444121240,4sleep31905599cyclictest09:38:553
3175421200,4sleep31905599cyclictest11:07:523
91721130,1sleep30-21swapper/310:56:263
37392990,2sleep13740-21sshd12:14:071
128252980,2sleep312764-21sshd11:57:053
295492960,0sleep00-21swapper/011:01:560
186182950,0sleep00-21swapper/010:04:490
254442940,1sleep025353-21sshd12:24:570
255822930,5sleep21905499cyclictest10:25:232
232662930,2sleep323248-21sshd11:51:573
318902900,1sleep30-21swapper/312:28:283
291502900,1sleep029144-21sshd11:10:260
47072880,3sleep30-21swapper/310:00:393
187592880,0sleep00-21swapper/009:59:080
174742880,3sleep11905399cyclictest12:27:091
315602870,2sleep10-21swapper/111:28:391
1676128732,51sleep10-21swapper/107:05:081
1805628610,59sleep30-21swapper/307:05:223
322542850,1sleep00-21swapper/011:37:360
16912850,3sleep20-21swapper/212:04:582
109122850,2sleep10-21swapper/111:32:471
155802840,3sleep215568-21sshd12:38:402
218422830,1sleep321837-21sshd11:18:543
153782830,2sleep20-21swapper/209:19:182
110122830,1sleep00-21swapper/009:32:590
322392820,2sleep30-21swapper/312:16:333
290822820,2sleep329076-21sshd10:20:073
285812810,1sleep10-21swapper/109:23:171
262472810,2sleep30-21swapper/311:36:593
32732800,3sleep20-21swapper/211:53:042
245432800,2sleep122-21ksoftirqd/112:15:521
132732800,1sleep213274-21sshd12:26:472
297822790,3sleep20-21swapper/211:13:442
23922780,3sleep20-21swapper/209:40:352
35902770,2sleep10-21swapper/110:20:371
291132750,2sleep329082-21sshd11:34:263
204592740,1sleep30-21swapper/311:12:493
95292720,2sleep20-21swapper/210:48:272
140882720,3sleep21905499cyclictest10:21:342
66302700,1sleep06631-21sshd09:21:210
130852690,1sleep30-21swapper/312:35:263
27462680,4sleep31905599cyclictest09:18:073
311562630,4sleep31905599cyclictest09:48:533
248662620,1sleep024867-21sshd12:30:370
257572590,4sleep31905599cyclictest11:46:113
1859525934,13sleep00-21swapper/007:07:390
213182540,1sleep221319-21bash11:58:012
1752825223,10sleep20-21swapper/207:05:172
91202370,3sleep30-21swapper/311:23:353
177042320,2sleep117696-21sshd11:48:311
59442310,5sleep21905499cyclictest10:54:012
323512300,1sleep041ktimersoftd/011:52:460
45172290,27sleep2144650irq/27-eth009:38:032
14432290,4sleep21905499cyclictest11:22:552
9432270,25sleep2144650irq/27-eth009:20:522
290852270,4sleep30-21swapper/312:31:003
24702270,0sleep00-21swapper/011:05:170
221542260,1sleep21905499cyclictest12:18:402
171062260,1sleep00-21swapper/009:47:340
247092250,1sleep024708-21sshd10:05:170
216282252,21sleep2144650irq/27-eth010:43:312
145572250,4sleep10-21swapper/110:18:451
159862240,3sleep11905399cyclictest10:33:481
305292230,1sleep00-21swapper/009:54:310
28782230,2sleep32875-21sshd12:02:073
29142221,19sleep2144650irq/27-eth010:09:052
181632220,0sleep118160-21sshd11:42:221
3602210,1sleep041ktimersoftd/009:14:550
317322210,19sleep2144650irq/27-eth009:26:212
294262210,18sleep2144650irq/27-eth009:31:452
1905499214,4cyclictest1720-21sshd09:46:112
19053992115,5cyclictest21181-21sshd12:00:481
1905299212,12cyclictest0-21swapper/012:39:400
178152210,1sleep217803-21sshd12:21:132
149042210,2sleep30-21swapper/310:18:473
126562210,3sleep21905499cyclictest10:01:232
46082200,2sleep10-21swapper/107:49:561
1905499205,3cyclictest11826-21bash12:11:552
1905499204,3cyclictest9793-21sshd10:39:192
1905499202,13cyclictest2126-21sshd11:25:592
1905399200,16cyclictest2132-21sshd12:39:581
183932200,2sleep10-21swapper/109:10:441
73262190,0sleep00-21swapper/011:47:330
1905499196,4cyclictest31955-21bash10:14:282
1905499193,3cyclictest22317-21sshd09:59:272
1905499190,2cyclictest7639-21sshd10:32:592
1905399190,15cyclictest7387-21sshd09:15:251
1905299190,14cyclictest0-21swapper/012:25:170
270112181,15sleep2144650irq/27-eth011:04:392
1905599185,11cyclictest4432-21sshd10:41:493
1905499186,2cyclictest0-21swapper/211:15:582
1905499182,3cyclictest0-21swapper/209:50:472
1905499182,2cyclictest22740-21sshd12:06:442
1905499180,14cyclictest25281-21sshd12:30:402
1905399186,11cyclictest22-21ksoftirqd/112:32:231
1905399181,8cyclictest0-21swapper/110:40:361
19053991814,3cyclictest4314-21id11:20:161
19053991814,3cyclictest29360-21id09:48:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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