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2026-04-23 - 03:27
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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 Apr 23, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123462970,0sleep312347-21sshd22:50:493
309612940,0sleep20-21swapper/221:19:162
15102910,0sleep00-21swapper/021:31:240
68682590,0sleep20-21swapper/222:17:002
58632590,1sleep0674-21dbus-daemon23:37:360
307422570,0sleep10-21swapper/121:56:441
287982570,0sleep20-21swapper/221:42:392
82662530,0sleep18264-21sshd22:28:171
178412530,0sleep10-21swapper/121:52:521
298622520,0sleep10-21swapper/121:34:251
204082520,0sleep30-21swapper/322:57:063
105952520,0sleep00-21swapper/023:40:450
268412510,0sleep0111rcuc/023:50:300
181942510,0sleep10-21swapper/122:20:431
14012510,1sleep09-21ksoftirqd/000:10:370
66162500,0sleep00-21swapper/021:57:270
99762490,1sleep19975-21sshd21:43:501
58182490,0sleep30-21swapper/322:30:463
292782490,0sleep30-21swapper/323:09:033
250042490,0sleep20-21swapper/222:13:002
61522480,1sleep36154-21bash21:51:493
324952480,0sleep00-21swapper/000:27:120
282142480,0sleep10-21swapper/123:22:511
243782480,0sleep30-21swapper/321:22:223
159732480,0sleep20-21swapper/222:42:512
148922480,0sleep10-21swapper/123:35:331
92032470,0sleep20-21swapper/223:37:542
258022470,0sleep20-21swapper/223:28:132
177792470,0sleep30-21swapper/321:41:403
47022460,0sleep10-21swapper/123:45:501
16782440,0sleep30-21swapper/322:05:193
10402298,7sleep30-21swapper/319:09:493
5422287,7sleep10-21swapper/119:05:181
3165122412,7sleep20-21swapper/219:05:032
9972220,0sleep10-21swapper/123:42:461
103522210,7sleep00-21swapper/019:09:460
317062190,1sleep031653-21sshd22:05:120
222292180,1sleep122228-21bash22:07:091
169772160,2sleep2119399cyclictest22:45:392
1187991615,0cyclictest22666-21lspci22:46:101
113722160,0sleep10-21swapper/100:00:201
292942150,0sleep329251-21sshd23:45:123
23962150,0sleep00-21swapper/023:17:500
135782150,0sleep00-21swapper/022:53:460
104172150,0sleep10-21swapper/121:38:191
304922140,1sleep330491-21sshd00:24:183
236352140,0sleep20-21swapper/222:01:422
224602140,0sleep30-21swapper/323:30:383
130652140,0sleep20-21swapper/200:08:542
130652140,0sleep20-21swapper/200:08:542
119399141,1cyclictest18230-21sshd00:23:132
119399140,12cyclictest25499-21sshd23:50:232
100692140,1sleep210056-21lspci23:04:382
235672130,0sleep00-21swapper/023:00:110
1193991311,1cyclictest30316-21bash23:23:032
119399130,1cyclictest3669-21grepconf.sh23:12:232
1187991312,0cyclictest24261-21lspci22:15:401
1187991312,0cyclictest241ktimersoftd/123:54:591
223362120,0sleep30-21swapper/300:26:183
119799120,1cyclictest1-21systemd22:29:583
119399120,11cyclictest29979-21gdbus00:16:032
119399120,0cyclictest0-21swapper/221:33:122
1187991211,0cyclictest19523-21lspci23:55:271
1187991211,0cyclictest19523-21lspci23:55:261
1187991210,1cyclictest6878-21lspci00:05:311
1187991210,1cyclictest6878-21lspci00:05:301
118799120,1cyclictest2037-21lspci22:02:401
1181991210,1cyclictest10608-21sshd00:30:490
118199120,11cyclictest14448-21sshd21:38:390
118199120,11cyclictest10890-21sshd00:00:190
1197991110,0cyclictest0-21swapper/321:16:383
119799110,10cyclictest0-21swapper/322:42:083
119799110,10cyclictest0-21swapper/321:29:283
119799110,0cyclictest0-21swapper/323:00:193
1193991110,0cyclictest0-21swapper/222:31:532
119399110,10cyclictest0-21swapper/221:39:122
119399110,10cyclictest0-21swapper/221:21:332
1187991110,0cyclictest9729-21lspci22:14:291
1187991110,0cyclictest28505-21lspci21:15:031
1187991110,0cyclictest28010-21lspci00:10:121
1187991110,0cyclictest17551-21lspci00:39:511
118199119,1cyclictest6930-21sshd23:35:000
118199119,1cyclictest0-21swapper/022:57:490
118199110,1cyclictest12411-21lspci23:24:190
118199110,10cyclictest0-21swapper/022:36:590
118199110,10cyclictest0-21swapper/022:15:390
118199110,10cyclictest0-21swapper/021:15:180
118199110,10cyclictest0-21swapper/000:21:490
278662100,1sleep0101ktimersoftd/022:46:380
215372100,1sleep09-21ksoftirqd/022:35:000
119799109,0cyclictest2543-21sshd23:40:093
119799109,0cyclictest0-21swapper/323:17:193
119799109,0cyclictest0-21swapper/321:12:283
119799109,0cyclictest0-21swapper/319:24:183
119799100,0cyclictest0-21swapper/322:15:283
119799100,0cyclictest0-21swapper/319:28:183
119799100,0cyclictest0-21swapper/300:15:383
119799100,0cyclictest0-21swapper/300:08:283
119799100,0cyclictest0-21swapper/300:08:283
119399109,0cyclictest0-21swapper/223:44:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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