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2026-03-21 - 00:48
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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 Fri Mar 20, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217032770,2sleep32569999cyclictest09:56:193
191552750,0sleep219158-21systemd-cgroups11:41:442
80792730,0sleep00-21swapper/010:29:080
273692550,0sleep30-21swapper/310:51:103
75792530,0sleep10-21swapper/110:32:591
52462510,0sleep20-21swapper/211:04:232
200762510,0sleep30-21swapper/312:29:443
189702510,0sleep10-21swapper/109:22:291
93082500,0sleep00-21swapper/011:20:400
93082500,0sleep00-21swapper/011:20:400
31972500,0sleep20-21swapper/209:47:372
113222490,0sleep0111rcuc/010:16:510
90112480,0sleep08991-21sshd11:40:260
218442480,0sleep20-21swapper/212:01:592
167142480,0sleep30-21swapper/311:25:313
167142480,0sleep30-21swapper/311:25:313
98472460,2sleep175850irq/25-eno1-tx-11:44:401
113392460,2sleep32569999cyclictest10:41:183
302662450,0sleep00-21swapper/011:11:190
180842450,0sleep30-21swapper/309:27:563
318892440,0sleep30-21swapper/309:41:223
2525924130,6sleep30-21swapper/307:06:033
304622400,0sleep00-21swapper/012:26:560
146782350,0sleep00-21swapper/010:53:390
28072300,0sleep12806-21bash09:53:101
2527322817,7sleep20-21swapper/207:06:142
254202276,7sleep10-21swapper/107:08:051
248502219,7sleep00-21swapper/007:05:190
78902190,0sleep20-21swapper/212:16:092
286012180,0sleep00-21swapper/012:18:470
141412180,0sleep10-21swapper/109:55:101
25682991710,1cyclictest22118-21bash09:50:470
140462170,0sleep20-21swapper/210:25:502
93032160,0sleep10-21swapper/112:32:181
285702160,0sleep20-21swapper/211:39:002
158102160,2sleep02568299cyclictest10:30:050
92612150,1sleep19264-21bash11:52:291
310812150,0sleep2311rcuc/209:30:112
257322150,0sleep10-21swapper/111:10:441
2569999152,1cyclictest699-21gdbus09:10:043
25699991513,1cyclictest674-21dbus-daemon12:06:133
303552140,0sleep2311rcuc/209:35:282
25699991311,1cyclictest25610-21sshd11:42:333
2569999130,1cyclictest22165-21lspci11:46:043
25682991312,0cyclictest0-21swapper/009:13:560
25699991210,1cyclictest0-21swapper/312:10:343
2569999120,1cyclictest32228-21sshd11:11:343
25692991210,1cyclictest0-21swapper/210:36:382
25686991210,1cyclictest31299-21sshd12:39:021
25682991210,1cyclictest0-21swapper/009:28:470
2568299120,11cyclictest18606-21lspci12:37:260
2568299120,11cyclictest0-21swapper/010:46:070
2569999110,10cyclictest0-21swapper/311:51:543
2569999110,10cyclictest0-21swapper/309:35:143
2569999110,0cyclictest0-21swapper/312:33:133
2569999110,0cyclictest0-21swapper/309:32:333
25692991110,0cyclictest0-21swapper/211:33:282
25692991110,0cyclictest0-21swapper/210:03:282
2569299110,10cyclictest0-21swapper/212:27:192
2569299110,10cyclictest0-21swapper/210:19:092
2569299110,0cyclictest0-21swapper/210:56:292
2568699110,10cyclictest0-21swapper/112:09:231
2568699110,0cyclictest0-21swapper/109:28:231
25682991110,0cyclictest0-21swapper/012:01:570
2568299110,1cyclictest620-17auditd09:04:270
2569999109,0cyclictest0-21swapper/311:31:143
2569999109,0cyclictest0-21swapper/310:17:243
2569999100,0cyclictest0-21swapper/311:18:133
2569999100,0cyclictest0-21swapper/310:30:543
2569999100,0cyclictest0-21swapper/308:40:133
2569299109,0cyclictest0-21swapper/211:22:292
2569299109,0cyclictest0-21swapper/211:22:282
2569299109,0cyclictest0-21swapper/211:07:392
2569299109,0cyclictest0-21swapper/210:34:192
2569299109,0cyclictest0-21swapper/209:13:492
2569299100,0cyclictest0-21swapper/210:14:182
2568699109,0cyclictest0-21swapper/111:33:121
2568699109,0cyclictest0-21swapper/111:22:131
2568699109,0cyclictest0-21swapper/111:22:131
2568699109,0cyclictest0-21swapper/111:03:331
2568699109,0cyclictest0-21swapper/110:25:021
2568699109,0cyclictest0-21swapper/109:00:131
2568699100,0cyclictest0-21swapper/110:57:231
2568699100,0cyclictest0-21swapper/110:09:131
2568699100,0cyclictest0-21swapper/109:36:221
2568299109,0cyclictest0-21swapper/011:00:270
2568299109,0cyclictest0-21swapper/010:43:460
2568299108,1cyclictest15099-21sshd11:05:260
2568299100,0cyclictest0-21swapper/011:26:070
2568299100,0cyclictest0-21swapper/011:26:060
2568299100,0cyclictest0-21swapper/010:21:070
2568299100,0cyclictest0-21swapper/009:38:160
2568299100,0cyclictest0-21swapper/009:31:270
256999998,0cyclictest0-21swapper/312:35:343
256999998,0cyclictest0-21swapper/311:21:243
256999998,0cyclictest0-21swapper/311:21:233
256999998,0cyclictest0-21swapper/310:12:333
256929998,0cyclictest0-21swapper/210:07:592
256929998,0cyclictest0-21swapper/209:28:392
256929998,0cyclictest0-21swapper/209:24:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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