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2026-05-05 - 07:05
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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 rack2slot0.osadl.org (updated Tue May 05, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12752780,1sleep21277-21bash21:51:512
23802620,0sleep10-21swapper/123:32:271
224772570,0sleep00-21swapper/022:15:560
104222570,0sleep00-21swapper/023:30:180
53572560,2sleep12883299cyclictest23:46:411
65722550,0sleep20-21swapper/223:18:512
296212550,0sleep10-21swapper/121:48:451
135652540,1sleep013561-21bash23:44:400
60732530,0sleep00-21swapper/023:27:090
315982530,0sleep10-21swapper/121:57:151
315982530,0sleep10-21swapper/121:57:141
21782530,0sleep31026-21sshd23:12:503
288382520,0sleep20-21swapper/200:02:432
43952510,1sleep00-21swapper/000:09:030
20982510,0sleep30-21swapper/321:38:023
297732500,0sleep10-21swapper/121:31:311
144562500,0sleep30-21swapper/321:53:003
77672490,0sleep00-21swapper/023:24:330
73452490,1sleep17343-21lspci22:53:461
172062490,1sleep017205-21bash22:07:070
88302480,0sleep3391rcuc/322:17:353
11192480,0sleep20-21swapper/223:32:202
156672460,0sleep30-21swapper/323:33:383
177762450,0sleep317756-21sshd23:36:333
87622430,2sleep32884499cyclictest21:13:113
315892380,2sleep22883699cyclictest22:30:392
325202370,0sleep00-21swapper/021:49:010
2846523626,6sleep10-21swapper/119:06:531
285102286,7sleep00-21swapper/019:07:240
2840122715,7sleep30-21swapper/319:06:063
269222276,7sleep20-21swapper/219:05:052
70732180,0sleep10-21swapper/123:13:161
173682180,0sleep00-21swapper/022:26:420
312202160,0sleep131215-21sshd00:36:361
237472160,0sleep00-21swapper/021:56:340
237472160,0sleep00-21swapper/021:56:330
217152160,1sleep321711-21lspci22:43:513
2884499156,3cyclictest41-21ksoftirqd/321:58:213
2884499156,3cyclictest41-21ksoftirqd/321:58:213
155392150,0sleep30-21swapper/321:29:533
320672140,0sleep0101ktimersoftd/022:36:180
2884499145,2cyclictest41-21ksoftirqd/323:20:553
2884499145,1cyclictest41-21ksoftirqd/323:41:583
2884499144,3cyclictest41-21ksoftirqd/300:04:193
2884499141,1cyclictest4354-21lspci23:15:473
276172140,0sleep127615-21lspci00:33:321
187652140,0sleep20-21swapper/200:35:292
181692140,0sleep1642-21systemd-logind23:50:331
119262140,0sleep00-21swapper/000:04:070
114292140,0sleep00-21swapper/022:01:020
304502130,0sleep20-21swapper/222:08:162
2884499136,3cyclictest41-21ksoftirqd/323:59:003
2884499135,1cyclictest41-21ksoftirqd/322:35:103
2884499134,2cyclictest41-21ksoftirqd/300:05:283
2884499134,1cyclictest41-21ksoftirqd/300:13:253
2884499133,3cyclictest41-21ksoftirqd/322:26:323
2884499132,2cyclictest41-21ksoftirqd/321:49:073
2884499132,1cyclictest41-21ksoftirqd/322:30:143
2884499130,2cyclictest710-21NetworkManager00:21:373
2884499130,2cyclictest41-21ksoftirqd/300:18:553
28836991311,1cyclictest7570-21sshd21:57:592
28836991311,1cyclictest7570-21sshd21:57:582
2883699130,1cyclictest674-21dbus-daemon00:34:192
2883699130,12cyclictest1-21systemd22:02:092
2883299130,1cyclictest27846-21sshd00:02:381
2882599130,12cyclictest29979-21gdbus21:31:300
257712130,0sleep20-21swapper/221:31:002
2884499125,3cyclictest41-21ksoftirqd/322:03:263
2884499125,1cyclictest41-21ksoftirqd/323:50:113
2884499124,3cyclictest41-21ksoftirqd/322:13:003
2884499124,1cyclictest41-21ksoftirqd/300:26:143
2884499123,3cyclictest41-21ksoftirqd/321:44:483
2884499123,1cyclictest41-21ksoftirqd/321:23:293
2884499122,1cyclictest25384-21lspci22:55:163
28844991210,1cyclictest41-21ksoftirqd/323:47:433
2884499120,2cyclictest41-21ksoftirqd/322:08:223
2884499120,1cyclictest10238-21sshd22:45:343
2884499120,1cyclictest0-21swapper/300:35:473
2883699120,1cyclictest8900-21lspci22:39:592
2883699120,1cyclictest19204-21lspci00:27:082
2883699120,1cyclictest0-21swapper/223:22:082
2883699120,1cyclictest0-21swapper/223:06:292
2883699120,11cyclictest0-21swapper/219:20:172
28832991210,1cyclictest0-21swapper/121:35:081
2883299120,1cyclictest32053-21sshd22:27:591
2883299120,11cyclictest10738-21smartctl21:00:191
2882599120,1cyclictest699-21gdbus23:10:400
2882599120,11cyclictest0-21swapper/023:45:100
2882599120,11cyclictest0-21swapper/022:10:090
2882599120,11cyclictest0-21swapper/000:18:390
2884499119,1cyclictest41-21ksoftirqd/323:25:183
2884499115,1cyclictest41-21ksoftirqd/322:21:143
2884499114,1cyclictest41-21ksoftirqd/321:31:293
2884499113,4cyclictest41-21ksoftirqd/321:16:163
2884499111,1cyclictest41-21ksoftirqd/323:00:543
2884499111,1cyclictest41-21ksoftirqd/300:31:183
2884499110,3cyclictest41-21ksoftirqd/323:06:293
2883699119,1cyclictest13726-21grepconf.sh21:13:492
2883699119,1cyclictest0-21swapper/200:19:292
2883699110,10cyclictest0-21swapper/222:43:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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