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2026-04-29 - 02:37
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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 Wed Apr 29, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251802930,0sleep20-21swapper/200:39:082
15292620,1sleep11516-21sshd21:15:001
15292620,1sleep11516-21sshd21:14:591
201902600,0sleep10-21swapper/121:21:051
291722580,0sleep30-21swapper/322:34:403
32552570,1sleep33249-21df22:35:123
161832570,0sleep216184-21bash22:05:482
326042560,1sleep032607-21grep22:23:520
83672550,1sleep18349-21cp22:21:451
67472550,9sleep375750irq/24-eno1-rx-21:59:313
79942540,2sleep3703999cyclictest22:16:103
129242520,0sleep20-21swapper/222:00:032
315342510,0sleep10-21swapper/123:14:081
42102500,1sleep04208-21lspci21:56:280
179652500,1sleep217966-21bash22:44:532
313832490,1sleep131382-21bash22:32:021
262622490,0sleep10-21swapper/119:55:121
205962490,0sleep00-21swapper/000:38:340
64582480,0sleep30-21swapper/321:51:073
62152480,2sleep3703999cyclictest21:34:363
250072480,0sleep30-21swapper/323:50:063
5882470,0sleep00-21swapper/000:29:290
542224734,7sleep30-21swapper/319:05:143
143902450,0sleep0111rcuc/022:55:400
680324230,7sleep20-21swapper/219:08:412
244312400,0sleep00-21swapper/023:52:520
147692370,2sleep3703999cyclictest21:16:303
228532360,0sleep00-21swapper/022:45:150
171762360,21sleep375750irq/24-eno1-rx-22:47:333
314712340,0sleep10-21swapper/100:22:491
66272297,7sleep00-21swapper/019:06:270
66482265,7sleep10-21swapper/119:06:441
283462230,2sleep2703199cyclictest23:47:332
6372200,0sleep10-21swapper/123:59:221
20662190,2sleep3703999cyclictest22:04:403
249032180,0sleep10-21swapper/122:03:501
170012180,1sleep016999-21sshd22:08:420
301312170,0sleep00-21swapper/022:54:200
24022170,1sleep22404-21bash23:59:312
141782170,0sleep30-21swapper/322:55:393
79892160,0sleep00-21swapper/000:02:490
276792160,1sleep027678-21grepconf.sh23:58:520
137212160,0sleep313722-21hwlatdetect21:35:123
7026991514,0cyclictest23164-21lspci23:21:491
235722150,0sleep2311rcuc/200:31:392
235722150,0sleep2311rcuc/200:31:382
326382140,1sleep032641-21bash21:42:180
226442140,0sleep00-21swapper/021:33:130
88052130,0sleep20-21swapper/221:23:422
702699133,1cyclictest25-21ksoftirqd/123:02:531
702699133,1cyclictest25-21ksoftirqd/123:02:521
702699132,3cyclictest25-21ksoftirqd/122:37:031
58252130,0sleep0101ktimersoftd/021:23:190
230282130,0sleep20-21swapper/221:47:012
145682130,0sleep314570-21bash21:49:063
144242130,0sleep30-21swapper/323:23:553
7039991211,0cyclictest0-21swapper/323:58:313
703999120,1cyclictest15213-21lspci22:05:423
703999120,11cyclictest20824-21lspci21:13:223
703999120,11cyclictest20824-21lspci21:13:223
703999120,11cyclictest20719-21lspci23:46:523
703199120,1cyclictest1-21systemd22:11:362
703199120,11cyclictest11276-21sshd21:57:052
703199120,11cyclictest0-21swapper/223:24:152
703199120,11cyclictest0-21swapper/200:10:362
702699125,1cyclictest25-21ksoftirqd/121:41:561
702699125,1cyclictest25-21ksoftirqd/100:38:181
702699121,1cyclictest131rcu_sched23:25:211
7026991210,1cyclictest25-21ksoftirqd/123:15:121
702699120,1cyclictest1071-21nfsd00:29:471
7019991210,1cyclictest12369-21lspci21:28:020
7019991210,1cyclictest1-21systemd00:23:120
7019991210,1cyclictest0-21swapper/000:33:520
7019991210,1cyclictest0-21swapper/000:33:520
701999120,1cyclictest7498-21sshd23:09:120
701999120,11cyclictest1834-21sshd21:50:420
60152120,2sleep175850irq/25-eno1-tx-23:51:121
80272110,0sleep20-21swapper/221:37:282
7039991110,0cyclictest13613-21sshd23:12:323
7039991110,0cyclictest0-21swapper/321:29:423
7039991110,0cyclictest0-21swapper/300:22:123
703199119,1cyclictest0-21swapper/222:31:562
7031991110,0cyclictest8652-21sshd23:17:462
7031991110,0cyclictest4839-21lspci22:35:182
703199110,0cyclictest0-21swapper/222:46:562
702699114,1cyclictest25-21ksoftirqd/123:45:171
702699113,1cyclictest25-21ksoftirqd/122:50:261
702699113,1cyclictest25-21ksoftirqd/122:12:011
702699113,1cyclictest25-21ksoftirqd/122:07:051
702699112,1cyclictest25-21ksoftirqd/123:05:161
702699112,1cyclictest25-21ksoftirqd/100:13:261
702699111,3cyclictest25-21ksoftirqd/122:55:201
702699111,1cyclictest25-21ksoftirqd/122:49:551
702699111,1cyclictest131rcu_sched00:05:171
7026991111,0cyclictest241ktimersoftd/120:25:381
7026991110,0cyclictest0-21swapper/121:56:461
702699110,10cyclictest0-21swapper/121:18:061
701999119,1cyclictest1-21systemd21:12:520
701999119,1cyclictest1-21systemd21:12:520
701999119,1cyclictest0-21swapper/023:16:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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