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2026-03-15 - 15:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack4slot2.osadl.org (updated Sun Mar 15, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74503690,0irq/46-4a100000272672chrt07:02:440
27786999380,0cyclictest9386-21/usr/sbin/munin12:32:270
27786999359,0cyclictest0-21swapper08:32:140
27786999260,0cyclictest0-21swapper08:07:220
27786999259,0cyclictest0-21swapper08:02:320
27786999258,0cyclictest0-21swapper08:57:060
27786999159,0cyclictest0-21swapper07:32:110
27786999060,0cyclictest0-21swapper12:17:290
27786999058,0cyclictest0-21swapper09:12:400
27786999056,0cyclictest0-21swapper07:52:410
27786998973,0cyclictest7511-21if_eth007:42:160
27786998962,0cyclictest0-21swapper11:47:330
27786998961,0cyclictest23988-21munin-run11:41:420
27786998958,0cyclictest0-21swapper10:56:530
27786998956,0cyclictest0-21swapper08:52:070
27786998867,0cyclictest0-21swapper11:17:070
27786998859,0cyclictest0-21swapper12:31:120
27786998859,0cyclictest0-21swapper10:12:030
27786998857,0cyclictest0-21swapper10:30:520
27786998857,0cyclictest0-21swapper09:07:370
27786998855,0cyclictest0-21swapper09:52:340
27786998854,0cyclictest0-21swapper08:37:270
27786998854,0cyclictest0-21swapper08:22:210
27786998763,0cyclictest18590-21runrttasks11:24:390
27786998760,0cyclictest0-21swapper10:35:310
27786998755,0cyclictest0-21swapper09:47:410
27786998667,0cyclictest32332-21runrttasks12:05:160
27786998667,0cyclictest2192-21diskstats12:12:030
27786998667,0cyclictest15993-21fschecks_time09:42:110
27786998665,0cyclictest0-21swapper11:52:320
27786998665,0cyclictest0-21swapper09:17:370
27786998663,0cyclictest30500-21runrttasks07:14:230
27786998660,0cyclictest0-21swapper11:03:330
27786998659,0cyclictest0-21swapper09:32:270
27786998656,0cyclictest0-21swapper11:32:300
27786998654,0cyclictest0-21swapper07:57:300
27786998567,0cyclictest27718-21df08:41:560
27786998562,0cyclictest0-21swapper12:07:360
27786998559,0cyclictest0-21swapper07:37:390
27786998558,0cyclictest9166-21fw_forwarded_lo07:47:140
27786998557,0cyclictest0-21swapper11:12:510
27786998556,0cyclictest0-21swapper08:13:430
27786998554,0cyclictest0-21swapper08:47:150
27786998551,0cyclictest0-21swapper07:07:240
27786998463,0cyclictest0-21swapper11:42:320
27786998462,0cyclictest0-21swapper10:02:080
27786998458,0cyclictest0-21swapper08:19:080
27786998457,0cyclictest0-21swapper10:44:040
27786998456,0cyclictest0-21swapper10:26:440
27786998456,0cyclictest0-21swapper09:22:160
27786998365,0cyclictest21177-21if_eth009:57:180
27786998361,0cyclictest0-21swapper10:07:390
27786998357,0cyclictest0-21swapper07:26:560
27786998356,0cyclictest0-21swapper07:16:570
27786998351,0cyclictest0-21swapper10:47:170
27786998351,0cyclictest0-21swapper09:37:260
27786998351,0cyclictest0-21swapper09:02:320
27786998261,0cyclictest7461-21fw_conntrack10:52:150
27786998261,0cyclictest29147-21runrttasks10:21:440
27786998253,0cyclictest0-21swapper11:57:140
27786998154,0cyclictest0-21swapper11:06:550
27786998154,0cyclictest0-21swapper10:37:320
27786998066,0cyclictest19455-21/usr/sbin/munin11:27:160
27786998053,0cyclictest0-21swapper12:25:300
27786998053,0cyclictest0-21swapper08:31:040
27786997955,0cyclictest10978-21/usr/sbin/munin09:27:200
27786997941,0cyclictest0-21swapper07:23:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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