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2026-01-10 - 01:56
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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 Sat Jan 10, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14642970,2sleep02929399cyclictest00:08:270
150312950,0sleep2311rcuc/223:33:572
242912870,0sleep00-21swapper/023:51:080
142582800,0sleep20-21swapper/200:15:022
66082640,0sleep30-21swapper/323:46:543
23732600,0sleep10-21swapper/123:16:211
23732600,0sleep10-21swapper/123:16:201
84582590,0sleep10-21swapper/122:33:041
221342590,1sleep2674-21dbus-daemon22:47:542
21082580,1sleep1674-21dbus-daemon22:40:411
116592570,1sleep36296-21kworker/3:023:25:213
84942560,1sleep08485-21sshd23:14:120
313302560,0sleep30-21swapper/300:08:143
202332550,0sleep00-21swapper/023:23:250
102152530,1sleep310210-21bash22:15:473
67892520,0sleep20-21swapper/200:00:352
200402520,2sleep32930599cyclictest00:18:163
190462520,0sleep019047-21bash00:37:230
173402520,0sleep20-21swapper/222:20:072
218282510,0sleep30-21swapper/323:50:563
113162510,0sleep20-21swapper/222:09:052
287322500,0sleep20-21swapper/222:34:492
284352500,0sleep00-21swapper/000:32:420
316302480,0sleep00-21swapper/000:24:460
53602470,0sleep10-21swapper/123:46:481
264232470,0sleep10-21swapper/123:10:131
228542470,0sleep022842-21lspci23:15:200
228542470,0sleep022842-21lspci23:15:190
215862470,0sleep00-21swapper/023:45:240
174582470,0sleep20-21swapper/221:35:082
325292450,0sleep22930499cyclictest23:46:212
177512450,2sleep12930099cyclictest00:07:041
83402370,0sleep10-21swapper/100:11:451
244152360,0sleep20-21swapper/220:15:112
291412309,7sleep00-21swapper/019:09:240
290502308,7sleep30-21swapper/319:08:153
289252288,6sleep10-21swapper/119:06:411
202282240,0sleep20-21swapper/222:25:472
164462230,1sleep3699-21gdbus21:48:513
288312219,7sleep20-21swapper/219:05:342
204902200,0sleep00-21swapper/023:39:550
156722190,0sleep30-21swapper/322:50:083
113292190,0sleep00-21swapper/022:30:300
10132190,0sleep10-21swapper/100:30:191
92212180,2sleep22930499cyclictest22:44:062
90742180,0sleep1231rcuc/122:22:101
65302180,1sleep1674-21dbus-daemon21:25:151
280952180,1sleep228093-21sshd00:21:392
269212180,0sleep20-21swapper/222:00:152
162982180,0sleep00-21swapper/022:52:520
33002170,0sleep20-21swapper/200:38:492
196672170,0sleep019617-21sshd00:26:250
111562170,0sleep30-21swapper/322:33:183
29300991513,1cyclictest25-21ksoftirqd/123:54:021
325142140,1sleep032508-21bash22:04:260
267782140,1sleep326775-21sshd23:34:573
183172140,0sleep3391rcuc/300:34:383
148572140,0sleep1231rcuc/122:58:151
317172130,0sleep01-21systemd23:43:360
29305991310,2cyclictest0-21swapper/322:23:513
2929399130,1cyclictest674-21dbus-daemon00:14:220
29304991210,1cyclictest27851-21sshd23:54:162
2930499120,1cyclictest0-21swapper/222:13:352
2930499120,11cyclictest5384-21sshd23:13:552
2930499120,11cyclictest22712-21lspci23:09:562
2930499120,11cyclictest0-21swapper/222:52:452
2930499120,11cyclictest0-21swapper/200:26:152
2930099124,2cyclictest17618-21sshd00:18:021
2930099124,1cyclictest25-21ksoftirqd/100:00:141
29300991211,0cyclictest25-21ksoftirqd/123:39:231
29300991210,1cyclictest25-21ksoftirqd/123:59:451
2930099120,1cyclictest11062-21sshd22:35:561
2930099120,11cyclictest623-17sedispatch23:26:371
2930099120,11cyclictest0-21swapper/122:46:571
2929399120,1cyclictest621-17auditd23:26:010
2930599119,1cyclictest17197-21bash21:52:223
29305991110,0cyclictest0-21swapper/300:20:423
2930599110,10cyclictest0-21swapper/321:11:323
2930499119,1cyclictest0-21swapper/223:35:352
2930499110,10cyclictest0-21swapper/221:16:262
2930099115,1cyclictest25-21ksoftirqd/122:28:411
2930099114,2cyclictest25-21ksoftirqd/123:42:531
2930099113,1cyclictest25-21ksoftirqd/123:30:441
2930099112,1cyclictest25-21ksoftirqd/123:08:551
2930099112,1cyclictest25-21ksoftirqd/122:03:361
2930099112,1cyclictest25-21ksoftirqd/121:40:151
2930099111,3cyclictest649-21polkitd21:23:591
2930099111,1cyclictest25-21ksoftirqd/123:00:321
2930099111,1cyclictest25-21ksoftirqd/122:53:061
2930099111,1cyclictest131rcu_sched23:24:561
2930099110,1cyclictest31990-21lspci21:36:361
2930099110,1cyclictest15910-21sshd00:37:071
2930099110,10cyclictest0-21swapper/122:13:161
2930099110,0cyclictest0-21swapper/100:26:561
2929399119,1cyclictest642-21systemd-logind22:36:510
29293991110,0cyclictest0-21swapper/021:35:010
2929399110,1cyclictest14829-21lspci21:45:110
2929399110,10cyclictest14098-21sshd22:41:430
2929399110,0cyclictest8405-21sshd22:57:420
2929399110,0cyclictest0-21swapper/021:25:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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