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2026-04-21 - 05:47
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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 Apr 21, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249382800,1sleep0101ktimersoftd/023:10:350
64082780,0sleep00-21swapper/023:25:410
294912720,0sleep00-21swapper/022:54:250
72312610,18sleep375750irq/24-eno1-rx-22:16:233
44232560,1sleep24419-21sshd21:51:142
98522540,1sleep19851-21bash00:10:281
54882540,0sleep20-21swapper/200:35:162
83312530,0sleep10-21swapper/123:39:521
69502520,0sleep06953-21bash00:29:540
57302520,0sleep10-21swapper/123:20:091
280602520,0sleep10-21swapper/123:10:521
214642520,0sleep20-21swapper/222:48:102
18332500,1sleep21837-21bash21:19:182
145342500,0sleep3391rcuc/300:38:543
4652490,0sleep30-21swapper/323:11:183
181682490,0sleep00-21swapper/021:00:140
149892490,0sleep10-21swapper/121:28:501
149892490,0sleep10-21swapper/121:28:501
108482490,0sleep00-21swapper/023:37:140
106562490,0sleep20-21swapper/223:53:592
37122480,0sleep30-21swapper/321:54:003
266632480,0sleep00-21swapper/023:55:170
258862480,0sleep00-21swapper/023:32:580
241132480,0sleep20-21swapper/200:17:222
145842480,0sleep10-21swapper/121:49:251
85932470,0sleep00-21swapper/000:35:300
311312470,0sleep00-21swapper/021:56:170
191652470,0sleep10-21swapper/121:21:211
184672470,2sleep1440099cyclictest22:11:481
207262450,0sleep10-21swapper/121:41:361
224052430,1sleep1231rcuc/121:55:301
118612390,0sleep2311rcuc/200:13:292
183082320,2sleep048-17kauditd22:11:470
42052297,7sleep30-21swapper/319:08:593
41972298,7sleep00-21swapper/019:08:510
397722911,14sleep10-21swapper/119:06:081
24942219,7sleep20-21swapper/219:05:052
234622210,11sleep375750irq/24-eno1-rx-23:27:123
208942180,0sleep20-21swapper/222:06:282
298672170,0sleep20-21swapper/221:58:592
198922170,0sleep20-21swapper/200:05:482
307912160,0sleep00-21swapper/022:15:360
15332160,0sleep30-21swapper/323:03:053
36412150,0sleep00-21swapper/021:48:280
296902150,0sleep2311rcuc/200:20:342
290782150,1sleep0111rcuc/023:05:220
184622150,0sleep00-21swapper/022:28:290
110612150,0sleep00-21swapper/023:54:010
70782140,0sleep20-21swapper/222:38:372
59582140,0sleep10-21swapper/121:31:391
440099140,13cyclictest8489-21grep00:15:551
300192140,0sleep10-21swapper/121:14:521
229422140,0sleep20-21swapper/223:49:302
211032140,0sleep00-21swapper/023:01:580
210202140,0sleep20-21swapper/221:47:112
4414991311,1cyclictest674-21dbus-daemon22:59:013
441499130,12cyclictest620-17auditd23:54:313
441499130,11cyclictest699-21gdbus23:16:223
441499130,0cyclictest0-21swapper/300:01:013
440099130,12cyclictest642-21systemd-logind00:29:151
439499130,12cyclictest24756-21grep00:09:040
209022130,0sleep120897-21lspci22:36:591
440899120,11cyclictest1-21systemd22:01:382
4400991210,1cyclictest0-21swapper/123:45:151
440099120,1cyclictest674-21dbus-daemon23:26:551
440099120,11cyclictest0-21swapper/122:07:151
4394991211,0cyclictest0-21swapper/021:40:140
4394991210,1cyclictest699-21gdbus00:11:440
285572120,0sleep30-21swapper/322:43:143
225252120,0sleep022446-21sshd21:25:410
225252120,0sleep022446-21sshd21:25:410
175072120,0sleep30-21swapper/322:28:243
64482110,1sleep36445-21lspci00:18:393
441499119,1cyclictest674-21dbus-daemon21:38:113
4414991110,0cyclictest0-21swapper/323:06:313
4414991110,0cyclictest0-21swapper/322:52:413
440899119,1cyclictest0-21swapper/223:59:182
4408991110,0cyclictest0-21swapper/223:00:482
4408991110,0cyclictest0-21swapper/221:34:282
4408991110,0cyclictest0-21swapper/200:27:082
440899110,10cyclictest5020-21lspci00:32:282
440899110,10cyclictest0-21swapper/223:42:182
440899110,10cyclictest0-21swapper/222:13:482
440899110,0cyclictest0-21swapper/222:57:382
440899110,0cyclictest0-21swapper/222:51:192
440099119,1cyclictest0-21swapper/100:23:561
440099110,10cyclictest0-21swapper/123:58:451
440099110,10cyclictest0-21swapper/122:55:051
440099110,0cyclictest0-21swapper/123:15:351
440099110,0cyclictest0-21swapper/122:01:051
4394991110,0cyclictest0-21swapper/021:50:440
439499110,10cyclictest22720-21lspci21:33:340
439499110,10cyclictest0-21swapper/022:46:240
439499110,10cyclictest0-21swapper/022:41:140
439499110,10cyclictest0-21swapper/022:32:140
439499110,10cyclictest0-21swapper/022:05:440
439499110,10cyclictest0-21swapper/021:24:540
439499110,10cyclictest0-21swapper/000:34:340
439499110,0cyclictest0-21swapper/022:01:540
324032110,1sleep032378-21sshd22:24:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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