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2026-04-15 - 12:16
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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 Wed Apr 15, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418446099130,2cyclictest0-21swapper/319:50:113
418446099130,12cyclictest0-21swapper/323:10:133
418446099120,1cyclictest0-21swapper/320:45:143
418446099120,11cyclictest0-21swapper/323:46:413
418446099120,11cyclictest0-21swapper/323:35:123
418446099120,11cyclictest0-21swapper/320:20:113
4184460991111,0cyclictest0-21swapper/323:25:173
4184460991111,0cyclictest0-21swapper/323:05:183
4184460991110,0cyclictest0-21swapper/322:15:163
4184460991110,0cyclictest0-21swapper/322:05:123
418446099110,8cyclictest0-21swapper/321:00:013
418446099110,11cyclictest0-21swapper/322:30:193
418446099110,10cyclictest0-21swapper/323:50:103
418446099110,0cyclictest0-21swapper/321:00:043
418446099110,0cyclictest0-21swapper/320:25:183
418446099110,0cyclictest0-21swapper/319:55:173
418446099109,0cyclictest0-21swapper/322:20:133
418446099109,0cyclictest0-21swapper/321:20:123
418446099109,0cyclictest0-21swapper/320:30:133
418446099109,0cyclictest0-21swapper/319:10:113
418446099109,0cyclictest0-21swapper/300:35:153
418446099108,0cyclictest0-21swapper/320:40:143
4184460991010,0cyclictest0-21swapper/323:24:573
4184460991010,0cyclictest0-21swapper/323:15:133
4184460991010,0cyclictest0-21swapper/321:50:193
4184460991010,0cyclictest0-21swapper/319:45:123
4184460991010,0cyclictest0-21swapper/319:35:183
4184460991010,0cyclictest0-21swapper/319:25:123
4184460991010,0cyclictest0-21swapper/319:20:183
4184460991010,0cyclictest0-21swapper/300:00:133
418446099100,8cyclictest0-21swapper/322:00:173
418446099100,0cyclictest0-21swapper/322:45:203
418446099100,0cyclictest0-21swapper/321:15:013
418446099100,0cyclictest0-21swapper/300:35:013
41844609999,0cyclictest0-21swapper/321:34:553
41844609999,0cyclictest0-21swapper/320:15:133
41844609998,0cyclictest0-21swapper/321:20:003
41844609998,0cyclictest0-21swapper/319:30:133
41844609990,9cyclictest0-21swapper/321:35:183
41844609990,8cyclictest0-21swapper/322:55:133
41844609987,0cyclictest0-21swapper/321:40:123
41844609987,0cyclictest0-21swapper/300:10:133
41844609980,6cyclictest0-21swapper/323:55:133
41844609980,0cyclictest0-21swapper/322:10:153
41844609980,0cyclictest0-21swapper/320:35:213
41844609977,0cyclictest0-21swapper/322:40:143
41844609977,0cyclictest0-21swapper/322:36:453
41844609977,0cyclictest0-21swapper/321:25:213
41844609977,0cyclictest0-21swapper/320:05:123
41844609970,6cyclictest0-21swapper/320:00:193
4183402271,4sleep30-21swapper/319:05:183
41844609966,0cyclictest0-21swapper/323:45:013
41844609966,0cyclictest0-21swapper/323:30:133
41844609966,0cyclictest0-21swapper/320:51:103
41844609966,0cyclictest0-21swapper/300:15:123
14039860,4rtkit-daemon766-21snmpd22:30:000
84047250,0sleep284239-21strings23:00:172
41844609955,0cyclictest0-21swapper/323:00:173
41844609955,0cyclictest0-21swapper/321:05:203
41844609955,0cyclictest0-21swapper/300:27:253
4183296251,2sleep20-21swapper/219:05:172
14039850,4rtkit-daemon766-21snmpd19:43:070
41844609944,0cyclictest0-21swapper/322:50:143
41844609944,0cyclictest0-21swapper/322:25:093
41844609944,0cyclictest0-21swapper/319:40:173
41844609944,0cyclictest0-21swapper/319:15:013
41844609943,0cyclictest0-21swapper/321:46:553
41844609940,4cyclictest0-21swapper/321:55:183
41844609940,3cyclictest117454-21chrt00:20:023
41844609940,3cyclictest112184-21chrt00:05:213
4183130241,1sleep10-21swapper/119:05:161
14039840,2rtkit-daemon99087-21diskstats23:35:130
14039840,2rtkit-daemon808-21runrttasks22:10:350
14039840,2rtkit-daemon766-21snmpd21:15:460
14039840,2rtkit-daemon4186464-21munin-node23:53:220
14039840,2rtkit-daemon4186464-21munin-node23:45:250
14039840,2rtkit-daemon37448-21diskmemload00:14:260
14039840,2rtkit-daemon1-21systemd23:03:500
14039840,2rtkit-daemon1-21systemd22:21:440
14039840,2rtkit-daemon1-21systemd22:05:510
14039840,2rtkit-daemon1-21systemd21:25:110
14039840,2rtkit-daemon1-21systemd00:38:211
14039840,1rtkit-daemon1-21systemd22:15:080
14039840,1rtkit-daemon1-21systemd21:43:150
14039840,1rtkit-daemon0-21swapper/019:05:140
14039840,0rtkit-daemon0-21swapper/021:49:430
6248230,1sleep26264-21apt-get19:50:012
41844609930,1cyclictest0-21swapper/320:10:113
30182230,2sleep130250-21awk20:50:151
1711230,2sleep21985-21grep19:35:202
14039830,2rtkit-daemon766-21snmpd21:35:150
14039830,2rtkit-daemon691-21gmain20:21:140
14039830,2rtkit-daemon4186464-21munin-node00:30:561
14039830,2rtkit-daemon328-21plymouthd19:34:260
14039830,1rtkit-daemon81944-21irqstats22:55:150
14039830,1rtkit-daemon772-21lldpd19:26:160
14039830,1rtkit-daemon766-21snmpd22:31:330
14039830,1rtkit-daemon766-21snmpd22:03:150
14039830,1rtkit-daemon766-21snmpd00:26:461
14039830,1rtkit-daemon766-21snmpd00:08:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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