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2025-12-28 - 10:21
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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 Sun Dec 28, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112362870,0sleep011235-21sshd23:50:000
323802610,0sleep30-21swapper/323:26:483
48702590,0sleep30-21swapper/322:40:193
19552580,0sleep30-21swapper/300:08:383
320692540,0sleep20-21swapper/200:38:582
38022520,0sleep10-21swapper/123:10:281
193762520,0sleep10-21swapper/121:41:051
156942520,2sleep0389699cyclictest23:47:370
221442510,0sleep30-21swapper/322:28:053
196332510,0sleep30-21swapper/323:09:113
117582510,0sleep20-21swapper/222:43:422
32652500,0sleep20-21swapper/222:31:562
322902500,0sleep132263-21sshd23:15:411
237642500,1sleep10-21swapper/123:42:441
242592490,0sleep30-21swapper/322:33:453
23702490,0sleep00-21swapper/000:39:110
171142490,0sleep017112-21lspci22:22:090
128362490,0sleep0101ktimersoftd/023:55:370
125342490,1sleep012537-21bash23:22:220
101582490,0sleep00-21swapper/023:27:410
315382480,0sleep30-21swapper/322:06:423
268112480,1sleep126796-21sshd22:13:121
257562480,0sleep00-21swapper/021:10:350
249812480,0sleep10-21swapper/100:02:161
145412480,0sleep10-21swapper/100:09:441
136652470,0sleep20-21swapper/222:18:472
314252450,0sleep0101ktimersoftd/021:56:130
133342440,0sleep013331-21lspci21:36:590
376724237,3sleep20-21swapper/219:09:422
259692420,1sleep025961-21smart_sda22:50:200
342922210,7sleep30-21swapper/319:05:323
315122210,7sleep00-21swapper/019:05:240
28772229,7sleep10-21swapper/119:05:211
99512200,0sleep10-21swapper/123:30:241
268032180,1sleep30-21swapper/323:23:363
390499170,15cyclictest13714-21sshd00:15:102
48732160,1sleep24875-21bash22:14:222
3910991614,1cyclictest27589-21lspci22:02:493
3910991614,1cyclictest12836-21lspci00:04:023
390199166,3cyclictest25-21ksoftirqd/123:39:481
226322160,0sleep00-21swapper/022:47:200
61122150,2sleep0389699cyclictest23:41:110
390199154,3cyclictest25-21ksoftirqd/122:39:351
389699155,3cyclictest9-21ksoftirqd/000:00:460
245222150,1sleep124524-21bash00:27:111
54102140,0sleep10-21swapper/123:05:121
390199146,2cyclictest25-21ksoftirqd/100:33:421
390199144,3cyclictest25-21ksoftirqd/123:57:531
390199144,3cyclictest25-21ksoftirqd/123:49:081
390199144,3cyclictest25-21ksoftirqd/123:22:451
390199144,3cyclictest25-21ksoftirqd/122:42:531
390199141,1cyclictest241ktimersoftd/122:24:261
389699147,1cyclictest9-21ksoftirqd/023:15:010
389699146,1cyclictest9-21ksoftirqd/022:30:510
389699143,2cyclictest9-21ksoftirqd/000:10:080
3896991413,0cyclictest0-21swapper/021:47:230
3896991412,1cyclictest15434-21bash22:15:230
35952140,0sleep30-21swapper/322:17:403
179072140,0sleep20-21swapper/200:21:022
94512130,0sleep0111rcuc/022:04:220
90352130,1sleep29037-21sshd23:22:042
3910991311,1cyclictest22268-21lspci23:12:053
3910991311,1cyclictest10847-21sshd21:54:063
3910991311,1cyclictest10847-21sshd21:54:063
390199137,1cyclictest25-21ksoftirqd/121:38:281
390199134,1cyclictest25-21ksoftirqd/121:33:521
390199133,2cyclictest25-21ksoftirqd/122:31:571
390199133,2cyclictest25-21ksoftirqd/100:23:221
390199131,4cyclictest10491-21lspci22:27:051
390199131,1cyclictest25-21ksoftirqd/122:50:161
390199130,1cyclictest25-21ksoftirqd/123:25:221
389699135,3cyclictest9-21ksoftirqd/023:38:130
389699135,1cyclictest9-21ksoftirqd/021:18:370
389699134,3cyclictest9-21ksoftirqd/023:02:500
389699133,1cyclictest9-21ksoftirqd/023:30:540
389699132,2cyclictest649-21polkitd22:37:240
389699131,1cyclictest16293-21lspci23:08:530
389699131,11cyclictest13957-21lspci23:11:230
115472130,0sleep30-21swapper/300:28:523
3910991211,0cyclictest22616-21lspci22:50:093
3910991210,1cyclictest25469-21sshd00:30:053
3910991210,1cyclictest1184-21lspci23:40:463
3910991210,1cyclictest0-21swapper/322:45:253
391099120,1cyclictest24384-21sshd21:55:253
391099120,1cyclictest0-21swapper/321:26:463
391099120,11cyclictest30316-21lspci23:04:353
391099120,11cyclictest29735-21sshd00:24:563
3904991210,1cyclictest674-21dbus-daemon23:45:512
390499120,1cyclictest642-21systemd-logind22:59:012
390499120,11cyclictest15442-21bash23:25:202
390199126,2cyclictest25-21ksoftirqd/123:00:121
390199124,1cyclictest25-21ksoftirqd/122:57:541
390199124,1cyclictest25-21ksoftirqd/122:45:371
390199123,3cyclictest25-21ksoftirqd/123:50:271
390199123,3cyclictest25-21ksoftirqd/121:47:441
390199123,2cyclictest649-21polkitd22:04:491
390199123,2cyclictest25-21ksoftirqd/121:29:411
390199122,2cyclictest25-21ksoftirqd/100:15:181
390199121,3cyclictest16335-21sshd22:08:381
390199121,2cyclictest25865-21lspci21:21:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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