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2026-07-05 - 05:12
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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 Sun Jul 05, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
519321991413,0cyclictest0-21swapper/320:53:473
519321991313,0cyclictest0-21swapper/323:50:563
519321991313,0cyclictest0-21swapper/323:22:163
519321991312,0cyclictest0-21swapper/322:55:393
519321991312,0cyclictest0-21swapper/319:56:263
519321991312,0cyclictest0-21swapper/319:56:263
519321991212,0cyclictest0-21swapper/323:29:263
519321991212,0cyclictest0-21swapper/322:14:413
519321991212,0cyclictest0-21swapper/320:43:323
519321991212,0cyclictest0-21swapper/320:27:093
519321991212,0cyclictest0-21swapper/320:04:383
519321991212,0cyclictest0-21swapper/319:42:063
519321991212,0cyclictest0-21swapper/319:33:553
519321991211,0cyclictest0-21swapper/323:01:473
519321991211,0cyclictest0-21swapper/321:10:103
519321991211,0cyclictest0-21swapper/319:54:233
519321991210,1cyclictest0-21swapper/300:15:123
51932199120,1cyclictest0-21swapper/323:35:143
51932199120,11cyclictest0-21swapper/323:59:563
51932199120,11cyclictest0-21swapper/323:45:123
51932199120,11cyclictest0-21swapper/323:30:123
51932199120,11cyclictest0-21swapper/321:45:123
51932199114,6cyclictest0-21swapper/320:35:113
519321991111,0cyclictest0-21swapper/323:06:543
519321991111,0cyclictest0-21swapper/322:51:333
519321991111,0cyclictest0-21swapper/321:18:223
519321991111,0cyclictest0-21swapper/320:05:393
519321991111,0cyclictest0-21swapper/319:28:473
519321991111,0cyclictest0-21swapper/300:26:473
519321991111,0cyclictest0-21swapper/300:04:153
519321991110,0cyclictest0-21swapper/322:46:253
519321991110,0cyclictest0-21swapper/321:56:153
51932199110,11cyclictest0-21swapper/320:30:223
51932199110,10cyclictest0-21swapper/322:30:193
51932199110,10cyclictest0-21swapper/322:25:163
51932199110,0cyclictest0-21swapper/300:05:133
51932199109,0cyclictest0-21swapper/323:15:123
51932199109,0cyclictest0-21swapper/321:05:033
51932199109,0cyclictest0-21swapper/320:11:483
519321991010,0cyclictest0-21swapper/322:37:133
519321991010,0cyclictest0-21swapper/322:20:113
519321991010,0cyclictest0-21swapper/321:35:183
519321991010,0cyclictest0-21swapper/320:56:513
519321991010,0cyclictest0-21swapper/319:23:403
519321991010,0cyclictest0-21swapper/300:35:123
519321991010,0cyclictest0-21swapper/300:23:423
5193219999,0cyclictest0-21swapper/321:30:123
5193219999,0cyclictest0-21swapper/321:00:183
5193219999,0cyclictest0-21swapper/320:21:013
5193219999,0cyclictest0-21swapper/320:15:163
5193219999,0cyclictest0-21swapper/319:35:573
5193219998,0cyclictest0-21swapper/323:40:423
5193219998,0cyclictest0-21swapper/322:00:213
5193219998,0cyclictest0-21swapper/321:25:323
5193219998,0cyclictest0-21swapper/300:14:293
5193219997,0cyclictest0-21swapper/320:45:023
5193219988,0cyclictest0-21swapper/322:41:183
5193219988,0cyclictest0-21swapper/322:18:473
5193219988,0cyclictest0-21swapper/321:53:113
5193219988,0cyclictest0-21swapper/321:43:583
5193219988,0cyclictest0-21swapper/319:13:263
5193219988,0cyclictest0-21swapper/300:35:013
517610281,4sleep30-21swapper/319:05:133
12959880,7rtkit-daemon556-21hwrng20:27:100
5193219977,0cyclictest0-21swapper/323:12:023
5193219977,0cyclictest0-21swapper/321:22:273
5193219977,0cyclictest0-21swapper/319:49:163
5193219977,0cyclictest0-21swapper/319:17:313
5193219976,0cyclictest0-21swapper/322:05:113
12959860,2rtkit-daemon0-21swapper/019:05:200
12959850,3rtkit-daemon622-21systemd-logind22:48:510
12959850,3rtkit-daemon556-21hwrng23:58:062
639867240,3sleep2640040-21/usr/sbin/munin00:05:142
621266240,3sleep2621411-21/usr/sbin/munin23:20:162
550089240,3sleep2550091-21sendmail-mta20:26:332
518684242,1sleep20-21swapper/219:05:202
517932241,1sleep10-21swapper/119:05:151
12959840,2rtkit-daemon774-21ntpd23:00:172
12959840,2rtkit-daemon565973-21diskmemload23:34:482
12959840,2rtkit-daemon443-21systemd-udevd21:38:510
12959840,2rtkit-daemon1-21systemd23:53:112
12959840,2rtkit-daemon1-21systemd22:27:100
12959840,2rtkit-daemon1-21systemd21:43:350
12959840,1rtkit-daemon531212-21perf19:40:010
12959840,1rtkit-daemon333-21plymouthd22:05:180
12959840,1rtkit-daemon333-21plymouthd00:15:132
12959840,0rtkit-daemon0-21swapper/200:28:112
647871230,1sleep0647887-21apt-get00:25:020
571998230,2sleep2572016-21munin-plugin-st21:25:002
543737230,2sleep1543909-21python320:10:191
541814230,2sleep0541961-21/usr/sbin/munin20:05:170
12959830,2rtkit-daemon774-21ntpd23:05:162
12959830,2rtkit-daemon556-21hwrng19:28:470
12959830,2rtkit-daemon443-21systemd-udevd20:38:510
12959830,1rtkit-daemon777-21lldpd22:30:210
12959830,1rtkit-daemon777-21lldpd21:01:480
12959830,1rtkit-daemon774-21ntpd20:52:510
12959830,1rtkit-daemon774-21ntpd20:45:010
12959830,1rtkit-daemon774-21ntpd19:40:200
12959830,1rtkit-daemon772-21snmpd23:28:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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