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2026-05-04 - 04:36
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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 Mon May 04, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102102201184,12sleep10-21swapper/119:07:561
101842191175,12sleep00-21swapper/019:07:340
100292185167,13sleep30-21swapper/319:05:363
9996210184,12sleep20-21swapper/219:05:232
115032470,0sleep10-21swapper/123:18:291
89172460,0sleep30-21swapper/300:05:103
19762440,0sleep20-21swapper/200:33:242
13052440,0sleep00-21swapper/021:38:380
149812430,0sleep30-21swapper/323:51:333
281302420,0sleep10-21swapper/123:10:201
242252420,0sleep00-21swapper/021:18:130
307152410,0sleep10-21swapper/123:27:451
256042110,0sleep20-21swapper/223:25:132
180472110,0sleep10-21swapper/123:53:271
169362110,0sleep10-21swapper/122:49:451
21443290,0sleep30-21swapper/322:35:233
105689972,5cyclictest24848-21kworker/0:023:35:590
105689972,5cyclictest24848-21kworker/0:023:21:440
105689972,5cyclictest24848-21kworker/0:022:57:120
105689972,5cyclictest24848-21kworker/0:022:57:110
105689972,5cyclictest24848-21kworker/0:022:13:190
105689972,5cyclictest24848-21kworker/0:021:27:190
105689972,5cyclictest24848-21kworker/0:000:39:420
105689972,5cyclictest24848-21kworker/0:000:25:340
105919960,6cyclictest0-21swapper/319:16:253
105919960,1cyclictest14531-21/usr/sbin/munin23:20:183
105689962,4cyclictest24848-21kworker/0:023:44:150
105689962,4cyclictest24848-21kworker/0:022:31:480
105689962,4cyclictest24848-21kworker/0:022:26:030
105689962,4cyclictest24848-21kworker/0:022:02:070
105689962,4cyclictest24848-21kworker/0:021:58:110
105689962,4cyclictest24848-21kworker/0:021:21:190
105689962,4cyclictest24848-21kworker/0:000:16:070
105689961,5cyclictest24848-21kworker/0:023:51:120
105689961,5cyclictest24848-21kworker/0:023:30:110
105689961,5cyclictest24848-21kworker/0:023:28:520
105689961,5cyclictest24848-21kworker/0:023:18:390
105689961,5cyclictest24848-21kworker/0:023:14:150
105689961,5cyclictest24848-21kworker/0:023:07:270
105689961,5cyclictest24848-21kworker/0:023:01:030
105689961,5cyclictest24848-21kworker/0:022:51:230
105689961,5cyclictest24848-21kworker/0:022:40:190
105689961,5cyclictest24848-21kworker/0:022:35:160
105689961,5cyclictest24848-21kworker/0:022:18:250
105689961,5cyclictest24848-21kworker/0:022:05:200
105689961,5cyclictest24848-21kworker/0:021:50:110
105689961,5cyclictest24848-21kworker/0:021:45:550
105689961,5cyclictest24848-21kworker/0:021:40:240
105689961,5cyclictest24848-21kworker/0:021:30:430
105689961,5cyclictest24848-21kworker/0:021:13:120
105689961,5cyclictest24848-21kworker/0:019:50:120
105689961,5cyclictest24848-21kworker/0:000:33:180
105689961,5cyclictest24848-21kworker/0:000:21:110
105689961,5cyclictest24848-21kworker/0:000:12:310
105689961,5cyclictest24848-21kworker/0:000:05:370
105689961,5cyclictest24848-21kworker/0:000:01:230
3709250,0sleep10-21swapper/121:05:011
105919955,0cyclictest0-21swapper/300:35:573
105919950,5cyclictest0-21swapper/323:41:503
105919950,5cyclictest0-21swapper/322:10:113
105919950,5cyclictest0-21swapper/321:36:593
105919950,5cyclictest0-21swapper/300:31:093
105919950,5cyclictest0-21swapper/300:29:333
105919950,5cyclictest0-21swapper/300:10:383
105919950,5cyclictest0-21swapper/300:03:393
105919950,4cyclictest6513-21df_inode23:00:143
105919950,4cyclictest0-21swapper/323:15:123
105919950,4cyclictest0-21swapper/321:10:123
105919950,4cyclictest0-21swapper/319:55:123
105919950,0cyclictest0-21swapper/322:19:023
105869954,1cyclictest17953-21df_inode21:15:132
105869950,5cyclictest0-21swapper/221:59:352
105869950,5cyclictest0-21swapper/221:20:102
105869950,4cyclictest5161-21perl23:15:152
105869950,0cyclictest0-21swapper/219:55:192
105799951,2cyclictest0-21swapper/100:15:101
105799950,5cyclictest0-21swapper/123:36:461
105689954,0cyclictest18844-21perf19:25:010
105689952,3cyclictest24848-21kworker/0:020:25:150
105689952,3cyclictest24848-21kworker/0:020:00:190
105689951,4cyclictest24848-21kworker/0:023:46:390
105689951,4cyclictest24848-21kworker/0:022:45:110
105689951,4cyclictest24848-21kworker/0:019:25:200
105689950,5cyclictest24848-21kworker/0:023:55:390
105689950,5cyclictest24848-21kworker/0:022:20:230
105689950,5cyclictest0-21swapper/020:55:130
105689950,4cyclictest10846-21apt-get19:10:010
105919944,0cyclictest0-21swapper/322:50:543
105919942,1cyclictest10372-21ntpq20:10:173
105919942,1cyclictest0-21swapper/323:05:123
105919941,3cyclictest4154-21readlink23:30:183
105919941,3cyclictest24702-21/usr/sbin/munin23:25:223
105919941,1cyclictest0-21swapper/322:40:123
105919940,4cyclictest6358-21diskmemload00:20:083
105919940,4cyclictest30085-21taskset22:08:243
105919940,4cyclictest28652-21df_inode22:55:123
105919940,4cyclictest28652-21df_inode22:55:123
105919940,4cyclictest26238-21apt19:40:003
105919940,4cyclictest21066-21apt-get23:55:123
105919940,4cyclictest0-21swapper/323:49:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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