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2026-06-29 - 14:22
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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 Mon Jun 29, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2341750991711,5cyclictest0-21swapper/311:20:123
2341750991413,0cyclictest0-21swapper/310:59:063
2341750991413,0cyclictest0-21swapper/310:23:163
2341750991413,0cyclictest0-21swapper/308:09:073
2341750991313,0cyclictest0-21swapper/311:59:313
2341750991313,0cyclictest0-21swapper/310:25:183
2341750991313,0cyclictest0-21swapper/310:10:583
2341750991313,0cyclictest0-21swapper/309:42:183
2341750991313,0cyclictest0-21swapper/309:07:293
2341750991312,0cyclictest0-21swapper/310:40:403
2341750991312,0cyclictest0-21swapper/309:17:433
2341750991312,0cyclictest0-21swapper/308:45:593
2341750991312,0cyclictest0-21swapper/308:45:593
2341750991312,0cyclictest0-21swapper/308:30:373
2341750991312,0cyclictest0-21swapper/307:10:453
234175099130,12cyclictest0-21swapper/308:10:133
2341750991212,0cyclictest0-21swapper/312:13:513
2341750991212,0cyclictest0-21swapper/311:32:543
2341750991212,0cyclictest0-21swapper/310:53:593
2341750991212,0cyclictest0-21swapper/310:49:533
2341750991212,0cyclictest0-21swapper/309:59:423
2341750991212,0cyclictest0-21swapper/307:49:393
2341750991212,0cyclictest0-21swapper/307:27:083
2341750991212,0cyclictest0-21swapper/307:18:563
2341750991211,0cyclictest0-21swapper/311:07:183
2341750991210,1cyclictest0-21swapper/308:00:113
234175099120,11cyclictest0-21swapper/311:25:143
234175099120,10cyclictest0-21swapper/310:15:133
2341750991111,0cyclictest0-21swapper/311:50:123
2341750991111,0cyclictest0-21swapper/311:16:313
2341750991111,0cyclictest0-21swapper/310:05:193
2341750991111,0cyclictest0-21swapper/310:04:503
2341750991111,0cyclictest0-21swapper/309:53:333
2341750991111,0cyclictest0-21swapper/308:53:093
2341750991111,0cyclictest0-21swapper/308:44:573
2341750991111,0cyclictest0-21swapper/308:35:443
2341750991111,0cyclictest0-21swapper/307:56:493
2341750991111,0cyclictest0-21swapper/307:23:023
2341750991110,1cyclictest0-21swapper/308:55:123
2341750991110,0cyclictest0-21swapper/312:37:243
2341750991110,0cyclictest0-21swapper/309:35:083
234175099110,10cyclictest0-21swapper/312:20:013
234175099110,10cyclictest0-21swapper/311:45:133
234175099110,10cyclictest0-21swapper/311:00:163
2341750991010,0cyclictest0-21swapper/312:30:143
2341750991010,0cyclictest0-21swapper/312:25:073
2341750991010,0cyclictest0-21swapper/311:40:123
2341750991010,0cyclictest0-21swapper/311:35:133
2341750991010,0cyclictest0-21swapper/311:11:233
2341750991010,0cyclictest0-21swapper/310:31:263
2341750991010,0cyclictest0-21swapper/308:17:183
234175099100,0cyclictest0-21swapper/307:30:193
23417509999,0cyclictest0-21swapper/309:10:323
23417509999,0cyclictest0-21swapper/309:01:203
23417509998,0cyclictest0-21swapper/310:35:333
23417509998,0cyclictest0-21swapper/309:27:583
23417509998,0cyclictest0-21swapper/308:25:303
23417509998,0cyclictest0-21swapper/308:23:263
2340696291,5sleep30-21swapper/307:05:183
12959890,7rtkit-daemon556-21hwrng10:00:441
12959890,1rtkit-daemon1-21systemd11:23:101
23417509988,0cyclictest0-21swapper/312:08:443
23417509988,0cyclictest0-21swapper/312:02:353
23417509988,0cyclictest0-21swapper/309:45:113
23417509980,7cyclictest0-21swapper/307:50:163
23417509980,7cyclictest0-21swapper/307:35:193
2409391276,0sleep0556-21hwrng09:59:420
2379129277,0sleep2556-21hwrng08:43:562
23417509977,0cyclictest0-21swapper/312:20:123
23417509977,0cyclictest0-21swapper/309:20:483
23417509970,7cyclictest0-21swapper/307:40:183
23417509970,0cyclictest0-21swapper/309:31:373
12959860,0rtkit-daemon0-21swapper/111:35:161
2339993250,3sleep22340157-21/usr/sbin/munin07:05:132
12959850,4rtkit-daemon556-21hwrng08:38:481
12959850,3rtkit-daemon443-21systemd-udevd11:16:511
12959850,3rtkit-daemon2470448-21ssh12:22:021
12959850,3rtkit-daemon2374410-21python308:30:171
12959850,2rtkit-daemon2326916-21munin-node07:05:441
2398950240,4sleep00-21swapper/009:34:370
12959840,3rtkit-daemon556-21hwrng10:14:031
12959840,2rtkit-daemon777-21lldpd09:38:081
12959840,2rtkit-daemon772-21snmpd12:11:471
12959840,2rtkit-daemon772-21snmpd11:49:061
12959840,2rtkit-daemon772-21snmpd10:26:121
12959840,2rtkit-daemon772-21snmpd07:17:121
12959840,2rtkit-daemon696-21gmain10:18:011
12959840,2rtkit-daemon443-21systemd-udevd11:40:501
12959840,2rtkit-daemon2409487-21munin-run10:00:001
12959840,2rtkit-daemon1299-21sendmail-mta10:55:111
12959840,2rtkit-daemon1-21systemd12:01:361
12959840,2rtkit-daemon1-21systemd11:55:541
12959840,2rtkit-daemon1-21systemd11:11:061
12959840,2rtkit-daemon1-21systemd10:36:581
12959840,2rtkit-daemon1-21systemd10:32:481
12959840,2rtkit-daemon1-21systemd09:26:081
12959840,1rtkit-daemon1-21systemd10:06:471
12959840,0rtkit-daemon0-21swapper/108:18:561
2475200230,1sleep22475226-21apt-get12:35:142
2422225230,1sleep02422251-21apt-get10:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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