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2025-09-18 - 12:05
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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 rackaslot0.osadl.org (updated Thu Sep 18, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2733821060,1sleep027336-21bash23:45:540
132522950,0sleep113253-21sshd23:26:241
30752930,1sleep23068-21sshd21:30:072
84882920,0sleep08454-21sshd00:00:320
313892920,1sleep031357-21sshd23:27:550
228272870,1sleep022826-21bash00:05:210
38262830,2sleep12782999cyclictest21:14:111
38262830,2sleep12782999cyclictest21:14:111
263472690,1sleep10-21swapper/119:05:171
68142630,0sleep30-21swapper/300:00:243
157552590,1sleep315757-21bash23:02:383
256942580,0sleep10-21swapper/122:16:211
326502570,6sleep03-21ksoftirqd/022:37:590
279982570,1sleep027994-21sshd22:55:460
279982570,1sleep027994-21sshd22:55:460
12902570,1sleep31283-21sshd00:26:193
254272550,1sleep325369-21sshd21:53:033
15082550,0sleep10-21swapper/100:36:471
2737925430,20sleep20-21swapper/219:07:362
2729025427,9sleep00-21swapper/019:06:340
238672540,1sleep119-21rcuc/121:23:471
238672540,1sleep119-21rcuc/121:23:471
236842540,0sleep10-21swapper/122:13:401
18382540,1sleep30-21swapper/321:58:563
157172540,1sleep115714-21bash21:46:561
315932530,1sleep010-21rcuc/023:19:580
315002530,0sleep20-21swapper/223:30:252
296372530,1sleep337-21rcuc/321:48:063
236522530,0sleep20-21swapper/221:52:532
263932520,1sleep126392-21sshd00:12:431
210222520,1sleep221015-21sshd22:37:002
178732520,2sleep32783199cyclictest22:15:433
171802520,0sleep20-21swapper/222:00:112
160042520,1sleep215999-21sshd00:11:412
25572510,1sleep20-21swapper/223:22:522
68472500,0sleep10-21swapper/122:22:461
35072500,0sleep00-21swapper/022:46:000
32222500,1sleep33212-21sshd23:33:313
229132500,0sleep227826-21cyclictest00:15:292
105402500,1sleep210537-21bash23:04:532
2749124928,18sleep30-21swapper/319:09:013
270742490,1sleep227073-21sshd21:37:202
181722490,0sleep118171-21sshd00:15:071
170362490,0sleep017002-21sshd22:34:070
167552490,1sleep228-21rcuc/200:38:402
160002490,0sleep015971-21sshd23:00:080
49022480,0sleep10-21swapper/122:59:121
49022480,0sleep10-21swapper/122:59:121
251492480,0sleep20-21swapper/221:45:082
197262480,0sleep319728-21bash22:39:343
133922480,0sleep113390-21sshd23:47:241
30712470,0sleep23043-21sshd22:48:392
21302470,0sleep00-21swapper/023:22:500
309422450,0sleep339-21ksoftirqd/300:22:393
276202450,0sleep30-21swapper/322:42:473
275622450,0sleep318808-21diskmemload22:00:563
112332430,1sleep118808-21diskmemload22:38:521
2783099333,30cyclictest0-21swapper/219:49:432
129172320,10sleep212050irq/23-ehci_hcd22:41:342
2783099300,30cyclictest0-21swapper/219:25:312
30512290,1sleep02983-21sshd23:54:360
27830992827,1cyclictest6594-21ls00:00:232
2783099280,28cyclictest0-21swapper/220:59:512
2783099271,26cyclictest0-21swapper/220:53:112
27830992624,1cyclictest2133-21sshd23:54:312
2783099250,25cyclictest0-21swapper/219:51:552
27831992220,1cyclictest0-21swapper/323:19:153
2782999220,21cyclictest31719-21sshd23:14:391
261942220,1sleep026189-21sshd21:29:190
163642220,1sleep18-21rcu_preempt21:54:571
27830992118,1cyclictest3008-21sshd23:09:312
2783099210,21cyclictest0-21swapper/219:58:552
27831992018,1cyclictest0-21swapper/323:08:053
2783099200,20cyclictest0-21swapper/200:22:062
2783099190,18cyclictest0-21swapper/222:16:592
2783099190,18cyclictest0-21swapper/221:59:232
257752190,1sleep218808-21diskmemload22:08:412
2782899180,3cyclictest22588-21cpu22:50:130
99202170,0sleep29917-21bash00:27:142
76032170,1sleep337-21rcuc/323:25:553
302512170,1sleep30-21swapper/300:32:443
2783099172,15cyclictest0-21swapper/222:21:152
27830991715,1cyclictest0-21swapper/222:31:412
27830991713,4cyclictest13176-21cp21:41:292
2782899178,7cyclictest0-21swapper/022:09:460
148362170,0sleep10-21swapper/123:31:451
87652160,0sleep20-21swapper/223:49:362
66582160,0sleep30-21swapper/323:54:543
27831991615,1cyclictest115950irq/25-eth000:37:383
2783099161,14cyclictest0-21swapper/221:08:052
2782999160,15cyclictest0-21swapper/100:26:331
27828991614,1cyclictest0-21swapper/000:17:060
2782899160,12cyclictest0-21swapper/021:31:120
86042150,0sleep20-21swapper/223:57:542
2782899150,1cyclictest0-21swapper/000:26:010
2782899150,14cyclictest0-21swapper/022:27:070
2782899150,14cyclictest0-21swapper/021:52:480
2782899150,13cyclictest0-21swapper/021:41:420
66212140,0sleep16620-21sshd23:20:271
2783199148,5cyclictest0-21swapper/322:50:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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