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2026-06-28 - 16:51
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot2.osadl.org (updated Sun Jun 28, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164222203187,12sleep10-21swapper/107:07:191
164222203187,12sleep10-21swapper/107:07:191
165212191175,11sleep30-21swapper/307:08:373
165212191175,11sleep30-21swapper/307:08:373
162992180164,12sleep00-21swapper/007:05:410
162992180164,12sleep00-21swapper/007:05:410
163062179161,14sleep20-21swapper/207:05:482
163062179161,14sleep20-21swapper/207:05:482
196422460,0sleep20-21swapper/209:29:162
242352420,0sleep10-21swapper/109:46:491
170552410,0sleep10-21swapper/111:02:271
8552100,0sleep10-21swapper/108:45:141
32045290,0sleep10-21swapper/111:25:211
30379290,0sleep10-21swapper/111:09:241
168229993,3cyclictest19234-21munin-run09:45:010
25694280,0sleep20-21swapper/209:15:432
168229980,4cyclictest27360-21munin-run07:30:010
168229972,5cyclictest20529-21kworker/0:008:10:150
168229971,3cyclictest9088-21munin-run11:15:000
168229971,3cyclictest32295-21idleruntime-cro08:45:000
168269960,5cyclictest0-21swapper/111:58:441
168229962,4cyclictest7531-21kworker/0:112:25:150
168229962,4cyclictest7531-21kworker/0:112:04:230
168229962,4cyclictest7531-21kworker/0:111:40:370
168229962,4cyclictest20529-21kworker/0:009:56:440
168229961,5cyclictest7531-21kworker/0:111:49:180
168229961,5cyclictest7531-21kworker/0:111:35:150
168229961,5cyclictest7531-21kworker/0:111:15:480
168229961,5cyclictest7531-21kworker/0:111:06:510
168229961,5cyclictest20529-21kworker/0:010:11:510
168229961,5cyclictest20529-21kworker/0:008:30:150
31295250,0sleep00-21swapper/010:21:510
30476250,0sleep00-21swapper/010:05:250
168399951,3cyclictest802-21snmpd09:25:133
168399950,5cyclictest0-21swapper/310:54:573
168399950,5cyclictest0-21swapper/310:42:443
168399950,4cyclictest24305-21ssh11:05:383
168399950,4cyclictest0-21swapper/311:50:113
168399950,4cyclictest0-21swapper/309:00:123
168399950,3cyclictest10335-21ssh12:03:063
168399950,3cyclictest0-21swapper/310:03:533
168359955,0cyclictest0-21swapper/209:23:152
168359950,5cyclictest15199-21ssh11:01:192
168359950,5cyclictest0-21swapper/211:20:102
168359950,5cyclictest0-21swapper/210:42:242
168359950,5cyclictest0-21swapper/210:30:132
168359950,5cyclictest0-21swapper/210:04:262
168359950,5cyclictest0-21swapper/208:05:412
168359950,1cyclictest23026-21readlink09:30:172
168359950,0cyclictest0-21swapper/210:26:332
168359950,0cyclictest0-21swapper/210:26:332
168269951,2cyclictest0-21swapper/108:00:101
168269950,5cyclictest0-21swapper/112:07:451
168269950,5cyclictest0-21swapper/109:27:331
168229955,0cyclictest0-21swapper/011:33:130
168229952,3cyclictest7531-21kworker/0:112:24:030
168229952,3cyclictest20529-21kworker/0:009:30:350
168229952,3cyclictest20529-21kworker/0:009:15:110
168229952,3cyclictest20529-21kworker/0:008:15:110
168229952,3cyclictest20529-21kworker/0:007:45:110
168229951,4cyclictest7531-21kworker/0:112:07:070
168229951,4cyclictest7531-21kworker/0:111:52:310
168229951,4cyclictest7531-21kworker/0:111:02:150
168229951,4cyclictest20529-21kworker/0:010:55:470
168229951,4cyclictest20529-21kworker/0:010:32:030
168229951,4cyclictest20529-21kworker/0:010:27:160
168229951,4cyclictest20529-21kworker/0:010:27:150
168229951,4cyclictest20529-21kworker/0:009:50:110
168229951,4cyclictest20529-21kworker/0:009:46:110
168229951,4cyclictest20529-21kworker/0:009:21:110
168229951,4cyclictest20529-21kworker/0:009:13:210
168229951,4cyclictest20529-21kworker/0:009:00:200
168229951,2cyclictest0-21swapper/007:40:120
168229950,5cyclictest7531-21kworker/0:111:55:110
168229950,5cyclictest20529-21kworker/0:008:45:150
168229950,5cyclictest0-21swapper/012:35:110
168229950,5cyclictest0-21swapper/011:25:110
168229950,4cyclictest25167-21ssh10:35:120
1922240,0sleep10-21swapper/112:30:261
168399944,0cyclictest0-21swapper/309:20:583
168399942,1cyclictest9352-21ssh11:15:023
168399941,3cyclictest802-21snmpd09:43:133
168399941,2cyclictest0-21swapper/311:55:103
168399941,1cyclictest0-21swapper/309:05:123
168399940,4cyclictest30423-21ssh10:21:183
168399940,4cyclictest29947-21/usr/sbin/munin11:25:213
168399940,4cyclictest29856-21ssh09:50:063
168399940,4cyclictest15781-21sh10:45:353
168399940,4cyclictest15536-21df10:30:133
168399940,4cyclictest13607-21sed09:10:153
168399940,4cyclictest0-21swapper/311:45:483
168399940,4cyclictest0-21swapper/311:30:533
168399940,4cyclictest0-21swapper/311:10:123
168399940,4cyclictest0-21swapper/311:00:073
168399940,4cyclictest0-21swapper/310:05:113
168399940,4cyclictest0-21swapper/308:50:093
168399940,3cyclictest7539-21sh09:55:013
168399940,3cyclictest6673-21diskstats10:10:133
168399940,3cyclictest6562-21sh12:33:203
168399940,3cyclictest5180-21ssh12:16:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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