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2026-06-26 - 08:24
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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 rack1slot3.osadl.org (updated Fri Jun 26, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21609991413,0cyclictest0-21swapper/322:58:583
21609991313,0cyclictest0-21swapper/321:42:113
21609991313,0cyclictest0-21swapper/319:36:123
21609991313,0cyclictest0-21swapper/319:34:103
21609991313,0cyclictest0-21swapper/319:25:583
21609991313,0cyclictest0-21swapper/319:21:533
21609991312,0cyclictest0-21swapper/322:46:413
21609991312,0cyclictest0-21swapper/322:03:403
21609991312,0cyclictest0-21swapper/320:15:073
21609991312,0cyclictest0-21swapper/300:16:473
2160999130,9cyclictest0-21swapper/323:00:123
2160999130,12cyclictest0-21swapper/300:30:133
2160999130,11cyclictest0-21swapper/323:40:123
2160999130,11cyclictest0-21swapper/321:25:123
21609991212,0cyclictest0-21swapper/323:55:183
21609991212,0cyclictest0-21swapper/323:23:323
21609991212,0cyclictest0-21swapper/322:16:593
21609991212,0cyclictest0-21swapper/321:19:393
21609991212,0cyclictest0-21swapper/321:02:143
21609991212,0cyclictest0-21swapper/320:22:173
21609991212,0cyclictest0-21swapper/320:05:543
21609991212,0cyclictest0-21swapper/319:13:413
21609991212,0cyclictest0-21swapper/300:29:063
21609991212,0cyclictest0-21swapper/300:24:593
21609991212,0cyclictest0-21swapper/300:06:333
21609991212,0cyclictest0-21swapper/300:01:273
21609991211,0cyclictest0-21swapper/322:32:203
21609991211,0cyclictest0-21swapper/321:55:293
2160999120,1cyclictest0-21swapper/319:50:113
2160999120,1cyclictest0-21swapper/300:35:133
2160999120,10cyclictest0-21swapper/320:30:123
21609991111,0cyclictest0-21swapper/323:47:063
21609991111,0cyclictest0-21swapper/322:09:503
21609991111,0cyclictest0-21swapper/321:20:013
21609991111,0cyclictest0-21swapper/321:13:303
21609991111,0cyclictest0-21swapper/321:07:213
21609991111,0cyclictest0-21swapper/320:49:563
21609991111,0cyclictest0-21swapper/320:13:053
21609991111,0cyclictest0-21swapper/300:11:413
21609991110,0cyclictest0-21swapper/321:50:133
21609991110,0cyclictest0-21swapper/321:46:153
21609991110,0cyclictest0-21swapper/319:56:423
21609991110,0cyclictest0-21swapper/319:48:303
2160999110,10cyclictest0-21swapper/322:30:003
2160999110,10cyclictest0-21swapper/320:00:123
2160999110,0cyclictest0-21swapper/323:50:103
2160999110,0cyclictest0-21swapper/321:34:573
211122111,8sleep30-21swapper/319:06:113
201512118,1sleep120402-21cpuspeed_turbos19:05:131
2160999109,0cyclictest0-21swapper/323:36:513
2160999109,0cyclictest0-21swapper/320:50:593
21609991010,0cyclictest0-21swapper/323:26:373
21609991010,0cyclictest0-21swapper/323:06:093
21609991010,0cyclictest0-21swapper/322:40:103
21609991010,0cyclictest0-21swapper/321:37:023
2160999100,9cyclictest0-21swapper/323:15:003
2160999100,0cyclictest0-21swapper/320:30:013
216099999,0cyclictest0-21swapper/323:32:463
216099999,0cyclictest0-21swapper/323:17:253
216099999,0cyclictest0-21swapper/322:50:143
216099999,0cyclictest0-21swapper/322:22:073
216099999,0cyclictest0-21swapper/322:10:123
216099999,0cyclictest0-21swapper/319:40:183
216099998,0cyclictest0-21swapper/320:55:033
216099998,0cyclictest0-21swapper/320:55:033
216099998,0cyclictest0-21swapper/319:19:503
216099988,0cyclictest0-21swapper/322:39:313
216099988,0cyclictest0-21swapper/320:43:483
216099988,0cyclictest0-21swapper/320:38:413
12959880,2rtkit-daemon623-21wpa_supplicant22:37:061
12959860,4rtkit-daemon772-21snmpd19:32:052
51435250,5sleep00-21swapper/020:39:410
12959950,2rtkit-daemon0-21swapper/219:05:042
12959850,3rtkit-daemon128521-21latency_hist00:15:011
12959850,3rtkit-daemon122443-21python323:55:171
12959850,0rtkit-daemon0-21swapper/123:26:311
12959850,0rtkit-daemon0-21swapper/121:45:441
123058250,1sleep00-21swapper/023:59:300
12959840,2rtkit-daemon772-21snmpd23:45:241
12959840,2rtkit-daemon772-21snmpd22:17:201
12959840,2rtkit-daemon772-21snmpd00:34:201
12959840,2rtkit-daemon61441-21diskmemload21:58:131
12959840,2rtkit-daemon1-21systemd23:34:401
12959840,2rtkit-daemon1-21systemd22:43:411
12959840,2rtkit-daemon105934-21df23:10:141
12959840,1rtkit-daemon595-21rpcbind00:01:421
12959840,1rtkit-daemon333-21plymouthd23:00:161
12959840,1rtkit-daemon1-21systemd21:03:181
12959840,0rtkit-daemon1294-21rtkit-daemon22:45:331
12959840,0rtkit-daemon1294-21rtkit-daemon22:32:021
73706230,3sleep10-21swapper/121:44:271
42565230,1sleep042660-21ntp_states20:10:150
40399230,1sleep040425-21apt-get20:05:120
33409230,1sleep00-21swapper/019:45:110
20058231,1sleep00-21swapper/019:05:120
130575231,1sleep2130603-21apt-get00:20:132
12959830,2rtkit-daemon774-21ntpd19:26:072
12959830,2rtkit-daemon1299-21sendmail-mta20:43:101
12959830,1rtkit-daemon774-21ntpd19:20:172
12959830,1rtkit-daemon772-21snmpd23:20:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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