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2026-03-17 - 10:40
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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 17, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241621020,0sleep20-21swapper/222:47:542
141772920,0sleep20-21swapper/221:29:052
153652900,0sleep10-21swapper/121:50:591
299032750,1sleep11073-21nfsd21:59:311
205622570,0sleep20-21swapper/221:55:032
9802550,0sleep10-21swapper/122:42:171
124432550,1sleep112441-21sshd22:51:301
260602540,0sleep00-21swapper/022:52:410
250562530,0sleep10-21swapper/123:00:471
248442520,1sleep224846-21bash23:44:542
238412520,1sleep023838-21lspci23:11:450
321572510,1sleep332159-21bash21:26:303
26952510,0sleep10-21swapper/100:32:311
15582510,0sleep1231rcuc/123:34:401
299952500,0sleep20-21swapper/223:48:032
279412490,0sleep30-21swapper/300:23:413
5752480,0sleep00-21swapper/000:10:160
142002470,0sleep10-21swapper/121:44:021
169022460,0sleep20-21swapper/223:35:532
140522450,1sleep21-21systemd21:40:262
1537124225,11sleep30-21swapper/319:07:113
283692390,2sleep31572099cyclictest22:41:523
111882350,0sleep00-21swapper/022:59:430
155192308,7sleep00-21swapper/019:09:000
1542122212,6sleep10-21swapper/119:07:451
1540422210,7sleep20-21swapper/219:07:342
265862210,0sleep326584-21sshd21:52:133
322092180,1sleep332196-21sshd21:42:273
146552180,1sleep214622-21sshd22:57:132
84002160,0sleep18398-21lspci22:17:531
243092160,0sleep10-21swapper/123:20:071
1571399169,3cyclictest0-21swapper/223:10:312
1571399160,11cyclictest5807-21sshd21:39:412
1571399160,11cyclictest0-21swapper/222:05:222
307502150,1sleep330747-21sshd23:28:533
270772150,0sleep30-21swapper/323:09:193
255372150,0sleep20-21swapper/200:09:412
204452150,0sleep30-21swapper/321:19:003
190222150,0sleep219016-21grep23:27:522
1571399150,1cyclictest32422-21lspci00:18:312
47562140,0sleep04752-21sshd22:34:240
325752140,0sleep30-21swapper/323:48:163
29762140,0sleep30-21swapper/323:01:413
194452140,0sleep00-21swapper/021:58:230
164032140,0sleep116406-21grep00:14:261
164502130,0sleep0111rcuc/021:18:180
1572099130,11cyclictest674-21dbus-daemon22:15:073
1572099130,11cyclictest29261-21sshd22:06:163
1571399136,6cyclictest660-21avahi-daemon23:58:402
1571399130,1cyclictest21556-21rm00:31:212
1571399130,12cyclictest31461-21grep00:10:122
1571399130,12cyclictest1-21systemd23:05:322
1570899130,11cyclictest23390-21cp22:55:131
175432120,0sleep00-21swapper/023:22:140
1572099129,1cyclictest622-13audispd00:05:463
1572099120,1cyclictest28571-21sshd21:45:263
1572099120,11cyclictest0-21swapper/322:53:263
1571399125,6cyclictest660-21avahi-daemon23:18:232
1571399125,6cyclictest660-21avahi-daemon21:10:072
1571399125,6cyclictest660-21avahi-daemon00:26:112
1571399125,6cyclictest660-21avahi-daemon00:22:232
1571399125,6cyclictest1916-21bash23:31:542
1571399124,7cyclictest649-21polkitd22:20:132
1571399124,1cyclictest4973-21sshd21:46:252
1570899120,1cyclictest3488-21sshd22:10:221
1570899120,1cyclictest32655-21sshd00:18:321
1570899120,1cyclictest11085-21sshd23:49:131
1570899120,11cyclictest0-21swapper/122:05:231
15703991210,1cyclictest0-21swapper/021:46:480
1570399120,1cyclictest0-21swapper/000:00:590
1570399120,11cyclictest16379-21sshd22:49:090
35362110,1sleep33537-21grepconf.sh00:02:173
15720991110,0cyclictest0-21swapper/323:38:363
15720991110,0cyclictest0-21swapper/321:56:363
1572099110,10cyclictest0-21swapper/322:39:063
1572099110,10cyclictest0-21swapper/322:34:563
1572099110,0cyclictest0-21swapper/322:11:163
1572099110,0cyclictest0-21swapper/300:26:363
1571399114,6cyclictest674-21dbus-daemon23:50:282
1571399114,6cyclictest674-21dbus-daemon23:00:112
1571399114,6cyclictest674-21dbus-daemon22:10:562
1571399114,6cyclictest649-21polkitd22:40:512
1571399114,6cyclictest649-21polkitd21:23:272
1571399114,6cyclictest649-21polkitd20:54:542
1571399114,6cyclictest12784-21sshd22:35:032
1571399114,1cyclictest674-21dbus-daemon23:20:052
1571399114,1cyclictest674-21dbus-daemon22:50:302
1571399114,1cyclictest660-21avahi-daemon22:00:182
1571399114,1cyclictest660-21avahi-daemon00:02:342
1571399114,1cyclictest649-21polkitd22:30:102
1571399114,1cyclictest649-21polkitd21:51:192
1571399113,2cyclictest674-21dbus-daemon22:25:262
1571399113,2cyclictest674-21dbus-daemon00:35:262
1571399112,2cyclictest16955-21sshd22:15:192
1571399110,10cyclictest0-21swapper/221:17:212
1570899119,1cyclictest674-21dbus-daemon23:15:321
1570899119,1cyclictest0-21swapper/123:06:421
1570899110,10cyclictest0-21swapper/123:59:321
1570899110,0cyclictest0-21swapper/123:53:021
1570399113,4cyclictest14396-21munin-run23:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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