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2026-04-05 - 00:53
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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 Sat Apr 04, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2559205991710,6cyclictest0-21swapper/308:25:123
2559205991510,0cyclictest0-21swapper/307:45:133
255920599130,12cyclictest0-21swapper/307:25:113
255920599130,11cyclictest0-21swapper/311:35:113
255920599130,11cyclictest0-21swapper/309:05:113
2559205991211,0cyclictest0-21swapper/312:10:123
255920599120,1cyclictest0-21swapper/312:05:133
255920599120,1cyclictest0-21swapper/311:25:133
255920599120,11cyclictest0-21swapper/312:35:013
255920599120,11cyclictest0-21swapper/312:15:173
255920599120,10cyclictest0-21swapper/311:10:113
255920599118,1cyclictest0-21swapper/309:15:133
2559205991111,0cyclictest0-21swapper/311:15:123
2559205991111,0cyclictest0-21swapper/308:35:183
2559205991111,0cyclictest0-21swapper/308:15:013
255920599110,10cyclictest0-21swapper/311:00:223
255920599110,10cyclictest0-21swapper/310:30:013
255920599110,10cyclictest0-21swapper/307:35:133
255920599110,0cyclictest0-21swapper/312:25:153
255920599110,0cyclictest0-21swapper/310:30:113
255920599110,0cyclictest0-21swapper/310:10:103
255920599110,0cyclictest0-21swapper/310:05:133
255920599110,0cyclictest0-21swapper/309:25:013
255920599110,0cyclictest0-21swapper/308:50:173
255920599109,0cyclictest0-21swapper/310:35:153
2559205991010,0cyclictest0-21swapper/311:50:123
2559205991010,0cyclictest0-21swapper/310:45:173
2559205991010,0cyclictest0-21swapper/309:40:163
2559205991010,0cyclictest0-21swapper/307:20:193
255920599100,9cyclictest0-21swapper/310:45:003
255920599100,0cyclictest0-21swapper/311:55:183
25592059999,0cyclictest0-21swapper/312:00:173
25592059999,0cyclictest0-21swapper/311:20:153
25592059999,0cyclictest0-21swapper/310:50:183
25592059999,0cyclictest0-21swapper/310:20:183
25592059999,0cyclictest0-21swapper/309:55:193
25592059999,0cyclictest0-21swapper/309:00:183
25592059999,0cyclictest0-21swapper/308:55:163
25592059999,0cyclictest0-21swapper/307:59:563
25592059998,0cyclictest0-21swapper/309:10:123
25592059998,0cyclictest0-21swapper/308:20:153
25592059998,0cyclictest0-21swapper/307:50:123
25592059990,8cyclictest0-21swapper/309:35:023
25592059988,0cyclictest0-21swapper/311:05:173
25592059988,0cyclictest0-21swapper/309:30:013
25592059988,0cyclictest0-21swapper/308:05:123
25592059988,0cyclictest0-21swapper/307:40:123
25592059988,0cyclictest0-21swapper/307:15:153
25592059988,0cyclictest0-21swapper/307:15:003
25592059987,0cyclictest0-21swapper/312:20:193
2559014281,3sleep30-21swapper/307:09:563
25592059977,0cyclictest0-21swapper/310:00:183
25592059970,7cyclictest0-21swapper/308:05:003
25592059966,0cyclictest0-21swapper/310:55:143
25592059966,0cyclictest0-21swapper/310:15:163
25592059966,0cyclictest0-21swapper/308:45:123
25592059965,0cyclictest0-21swapper/309:35:123
25592059960,6cyclictest0-21swapper/312:40:023
25592059950,4cyclictest0-21swapper/307:30:183
14039850,2rtkit-daemon0-21swapper/107:05:091
25592059944,0cyclictest0-21swapper/311:45:303
25592059944,0cyclictest0-21swapper/308:40:123
25592059943,0cyclictest0-21swapper/308:15:133
25592059941,1cyclictest0-21swapper/311:40:133
25592059940,3cyclictest2665897-21chrt11:30:473
25592059940,3cyclictest2590565-21chrt08:30:073
25592059940,2cyclictest0-21swapper/309:50:123
25592059940,2cyclictest0-21swapper/309:45:123
2557780241,1sleep00-21swapper/007:05:160
2557389241,1sleep20-21swapper/207:05:142
14039840,2rtkit-daemon766-21snmpd12:37:541
14039840,2rtkit-daemon766-21snmpd10:44:571
14039840,2rtkit-daemon766-21snmpd10:36:271
14039840,2rtkit-daemon766-21snmpd10:27:071
14039840,2rtkit-daemon766-21snmpd09:21:111
14039840,2rtkit-daemon691-21gmain08:30:231
14039840,2rtkit-daemon622-21wpa_supplicant11:01:041
14039840,2rtkit-daemon2632971-21apt-get10:15:121
14039840,2rtkit-daemon2561214-21munin-node11:43:281
14039840,2rtkit-daemon1-21systemd12:12:571
14039840,2rtkit-daemon1-21systemd11:48:581
14039840,2rtkit-daemon1-21systemd10:11:351
14039840,2rtkit-daemon1-21systemd07:12:501
14039840,1rtkit-daemon2684346-21df_inode12:15:151
2688263230,2sleep02688540-21df_inode12:25:160
2644187230,2sleep22644389-21grep10:40:162
2590569230,1sleep22590597-21apt-get08:30:112
14039830,2rtkit-daemon766-21snmpd09:07:261
14039830,2rtkit-daemon691-21gmain09:10:151
14039830,2rtkit-daemon2657496-21pool-udisksd11:10:361
14039830,2rtkit-daemon1410-21sendmail-mta08:00:301
14039830,2rtkit-daemon1410-21sendmail-mta07:40:141
14039830,2rtkit-daemon1410-21sendmail-mta07:30:551
14039830,2rtkit-daemon1-21systemd10:56:111
14039830,2rtkit-daemon1-21systemd10:05:171
14039830,1rtkit-daemon769-21ntpd12:06:531
14039830,1rtkit-daemon766-21snmpd09:59:021
14039830,1rtkit-daemon766-21snmpd08:50:051
14039830,1rtkit-daemon440-21systemd-udevd11:55:591
14039830,1rtkit-daemon328-21plymouthd10:50:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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