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2025-11-25 - 17:45
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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 Tue Nov 25, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278042920,0sleep10-21swapper/111:08:281
215372920,0sleep121534-21sshd11:42:401
165632690,0sleep20-21swapper/209:24:202
280292640,0sleep10-21swapper/111:39:521
243342630,0sleep10-21swapper/109:39:321
288362590,0sleep2321ktimersoftd/211:32:592
288362590,0sleep2321ktimersoftd/211:32:592
213402590,0sleep10-21swapper/112:10:151
40922560,0sleep20-21swapper/210:58:472
84452540,8sleep375550irq/24-eno1-rx-11:51:553
298552540,0sleep00-21swapper/010:26:100
257842540,0sleep30-21swapper/310:57:283
171812530,2sleep3297499cyclictest09:00:213
249412520,0sleep20-21swapper/210:18:542
180432520,1sleep1241ktimersoftd/111:31:511
180432520,1sleep1241ktimersoftd/111:31:501
260925136,13sleep20-21swapper/207:06:502
167832510,0sleep20-21swapper/212:39:482
175442490,0sleep00-21swapper/010:21:280
189722480,1sleep118971-21sshd11:28:341
29822410,0sleep10-21swapper/111:19:501
263223025,3sleep00-21swapper/007:07:080
28452287,7sleep30-21swapper/307:09:433
254922715,7sleep10-21swapper/107:06:051
28122210,1sleep02768-21sshd10:40:400
174002200,1sleep10-21swapper/107:41:281
253382190,0sleep2311rcuc/209:25:152
177362190,0sleep20-21swapper/211:17:462
2962991812,2cyclictest9-21ksoftirqd/010:14:590
226082180,1sleep0111rcuc/009:53:530
20052180,1sleep1231rcuc/109:55:101
163282180,0sleep20-21swapper/209:52:592
321852170,0sleep10-21swapper/110:54:381
100512170,2sleep3297499cyclictest11:44:543
78412160,2sleep1296999cyclictest10:20:251
69062160,1sleep16905-21bash12:28:471
31742160,0sleep20-21swapper/210:51:152
296299167,1cyclictest9-21ksoftirqd/011:18:440
296299165,2cyclictest9-21ksoftirqd/011:37:520
230502160,0sleep20-21swapper/210:32:242
203592160,0sleep00-21swapper/011:32:060
203592160,0sleep00-21swapper/011:32:050
50852150,1sleep05088-21bash12:31:530
300162150,0sleep20-21swapper/212:31:072
300002150,0sleep2311rcuc/209:14:342
297499150,1cyclictest0-21swapper/312:20:563
297399152,3cyclictest33-21ksoftirqd/212:08:482
296999150,1cyclictest121rcu_preempt10:15:001
296299155,3cyclictest9-21ksoftirqd/012:15:190
282832150,0sleep00-21swapper/011:43:240
247632150,0sleep30-21swapper/311:04:423
169272150,0sleep00-21swapper/009:16:440
70732140,0sleep10-21swapper/112:15:211
67932140,0sleep30-21swapper/310:34:133
62852140,1sleep3391rcuc/310:41:023
301132140,0sleep30-21swapper/310:08:583
297399144,2cyclictest33-21ksoftirqd/210:37:082
296999141,1cyclictest25-21ksoftirqd/110:31:111
296299145,1cyclictest9-21ksoftirqd/011:54:520
296299142,1cyclictest9-21ksoftirqd/011:47:120
290262140,0sleep20-21swapper/211:05:082
183102140,1sleep3401ktimersoftd/310:14:473
156202140,0sleep10-21swapper/109:31:151
98092130,1sleep09805-21lspci09:37:440
297499131,11cyclictest11197-21grepconf.sh10:38:093
297399135,5cyclictest33-21ksoftirqd/211:29:222
297399135,3cyclictest33-21ksoftirqd/211:23:572
297399134,2cyclictest33-21ksoftirqd/210:02:282
297399134,2cyclictest33-21ksoftirqd/209:36:362
297399133,3cyclictest7396-21sshd10:44:452
297399133,3cyclictest684-21polkitd09:58:302
297399133,3cyclictest646-21dbus-daemon12:14:122
297399130,11cyclictest0-21swapper/211:50:152
296999138,1cyclictest25-21ksoftirqd/110:15:441
296999136,1cyclictest25-21ksoftirqd/111:50:311
296999133,1cyclictest25-21ksoftirqd/109:54:121
296299135,1cyclictest9-21ksoftirqd/012:26:090
296299135,1cyclictest9-21ksoftirqd/010:36:220
296299134,2cyclictest9-21ksoftirqd/011:28:070
296299133,1cyclictest646-21dbus-daemon12:05:140
2962991313,0cyclictest9156-21kworker/0:008:40:070
2962991313,0cyclictest9156-21kworker/0:008:27:590
2962991312,0cyclictest9156-21kworker/0:008:10:290
174192130,0sleep10-21swapper/112:09:551
2974991210,1cyclictest12709-21lspci09:12:153
297499120,11cyclictest17077-21sshd12:06:363
297499120,11cyclictest0-21swapper/312:10:463
297399128,1cyclictest33-21ksoftirqd/211:10:322
297399124,3cyclictest33-21ksoftirqd/209:33:072
297399123,3cyclictest8586-21sshd09:41:192
297399123,3cyclictest684-21polkitd10:06:292
297399122,2cyclictest33-21ksoftirqd/210:13:412
297399121,3cyclictest13690-21cat10:45:192
297399121,2cyclictest33-21ksoftirqd/212:15:022
297399120,11cyclictest6764-21sshd11:58:442
296999127,1cyclictest25-21ksoftirqd/112:32:591
296999127,1cyclictest25-21ksoftirqd/111:58:251
296999127,1cyclictest25-21ksoftirqd/111:48:591
296999126,1cyclictest25-21ksoftirqd/112:04:541
296999126,1cyclictest25-21ksoftirqd/109:14:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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