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2026-03-31 - 06:09
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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 Mar 31, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83532810,0sleep10-21swapper/123:20:101
102182800,0sleep310205-21sshd23:06:343
66842770,0sleep00-21swapper/023:42:010
287712730,1sleep128768-21lspci21:37:531
17972610,0sleep00-21swapper/023:49:580
14502590,0sleep3391rcuc/300:09:163
264432560,1sleep2311rcuc/223:52:012
225802550,0sleep20-21swapper/223:04:582
78922540,0sleep00-21swapper/021:55:140
78452540,0sleep37843-21sshd23:28:223
71142530,0sleep00-21swapper/023:39:200
215942530,0sleep30-21swapper/322:07:183
2102425341,7sleep30-21swapper/319:06:203
102392530,0sleep10-21swapper/121:41:461
34002520,0sleep13403-21unixbench_singl19:40:211
142182520,0sleep30-21swapper/323:17:573
122082520,0sleep30-21swapper/321:22:213
116392520,0sleep00-21swapper/000:29:280
280822510,0sleep00-21swapper/000:14:170
178072510,1sleep3401ktimersoftd/322:20:363
102782510,0sleep30-21swapper/322:03:393
95782500,1sleep225261-21kworker/2:300:23:442
205462500,0sleep30-21swapper/322:31:503
151912500,0sleep10-21swapper/121:26:361
85962490,1sleep08597-21grepconf.sh23:11:560
43802480,0sleep20-21swapper/221:29:172
257262480,0sleep30-21swapper/322:40:283
257262480,0sleep30-21swapper/322:40:273
201742480,0sleep10-21swapper/123:57:001
143252480,0sleep114326-21bash00:07:341
34502470,0sleep00-21swapper/023:22:300
32542440,0sleep10-21swapper/100:03:521
2109624433,6sleep20-21swapper/219:07:112
232422370,0sleep123235-21lspci00:30:201
219332350,1sleep175850irq/25-eno1-tx-22:07:211
2115523020,6sleep00-21swapper/019:07:530
288782210,0sleep10-21swapper/122:51:431
2105122110,7sleep10-21swapper/119:06:381
38132180,0sleep2311rcuc/200:25:572
289502170,1sleep328936-21sshd23:52:143
191572170,0sleep00-21swapper/023:56:550
82962160,0sleep10-21swapper/100:12:331
13302160,0sleep30-21swapper/323:55:213
119212160,0sleep00-21swapper/021:30:100
8492150,0sleep20-21swapper/219:35:162
53622150,0sleep00-21swapper/021:17:380
4732140,0sleep00-21swapper/023:19:340
269142140,0sleep20-21swapper/222:24:122
264532140,0sleep30-21swapper/300:19:413
264532140,0sleep30-21swapper/300:19:403
72852130,0sleep17292-21kernelversion00:15:151
72852130,0sleep17292-21kernelversion00:15:151
58082130,0sleep00-21swapper/022:14:120
2144199130,12cyclictest15002-21bash21:55:463
2144199130,11cyclictest25216-21bash22:13:073
2143699132,4cyclictest710-21NetworkManager22:33:142
21436991312,0cyclictest321ktimersoftd/221:31:302
21436991311,1cyclictest33-21ksoftirqd/222:11:302
2142999130,1cyclictest674-21dbus-daemon23:40:101
21424991311,1cyclictest620-17auditd22:23:540
222092120,0sleep20-21swapper/200:08:152
2144199123,3cyclictest41-21ksoftirqd/321:54:543
2144199122,1cyclictest41-21ksoftirqd/322:16:473
2144199121,2cyclictest9553-21lspci23:20:143
2144199120,1cyclictest9516-21sshd23:14:503
2144199120,11cyclictest674-21dbus-daemon00:29:373
2144199120,11cyclictest19952-21sshd22:45:273
2144199120,11cyclictest1-21systemd23:31:163
2144199120,10cyclictest27659-21sshd22:51:363
2143699123,1cyclictest33-21ksoftirqd/221:58:192
2143699121,1cyclictest131rcu_sched21:40:382
21436991210,1cyclictest642-21systemd-logind23:12:102
21436991210,1cyclictest27314-21lspci00:00:202
21436991210,1cyclictest0-21swapper/222:07:192
2143699120,1cyclictest32090-21bash23:05:392
2143699120,1cyclictest27859-21sshd23:57:392
2143699120,1cyclictest1-21systemd00:31:192
2143699120,11cyclictest642-21systemd-logind23:44:402
2142999120,1cyclictest1-21systemd22:30:201
21424991210,1cyclictest22780-21sshd22:04:440
2142499120,11cyclictest12082-21sshd23:34:140
2142499120,11cyclictest0-21swapper/000:21:190
2144199116,1cyclictest41-21ksoftirqd/321:28:353
2144199115,2cyclictest41-21ksoftirqd/321:44:183
2144199114,1cyclictest41-21ksoftirqd/321:48:263
2144199111,3cyclictest41-21ksoftirqd/322:37:083
2144199111,3cyclictest41-21ksoftirqd/321:36:023
2144199111,1cyclictest41-21ksoftirqd/323:35:503
21441991110,0cyclictest0-21swapper/323:00:273
2144199110,1cyclictest20535-21bash23:45:563
2144199110,10cyclictest0-21swapper/300:31:063
2143699119,1cyclictest623-17sedispatch19:42:202
2143699119,1cyclictest0-21swapper/219:55:202
2143699119,1cyclictest0-21swapper/200:35:502
2143699113,2cyclictest33-21ksoftirqd/223:35:082
2143699113,2cyclictest33-21ksoftirqd/222:50:102
2143699111,3cyclictest131rcu_sched21:39:482
2143699111,1cyclictest33-21ksoftirqd/221:51:022
21436991110,0cyclictest6580-21lspci22:49:542
21436991110,0cyclictest24579-21lspci22:04:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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