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2025-12-15 - 06:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 792 highest latencies:
System rack7slot8.osadl.org (updated Sun Dec 14, 2025 13:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5218214350,9sleep04706-21apt-get07:05:100
12189211813,12sleep0813-21rs:main0
2458321178,11sleep024619-21/usr/sbin/munin12:31:440
611211110,11sleep0612-21users10:57:160
2395321106,12sleep023962-21munin-run08:15:010
1404921106,14sleep014082-21aten_r7power_vo09:41:310
19992210711,12sleep019994-21fw_conntrack08:01:400
1176721066,12sleep011770-21df_inode07:31:360
2069221015,11sleep020727-21/usr/sbin/munin12:16:490
268821006,11sleep02696-21fw_conntrack08:56:420
147921005,82sleep01485-21sh11:01:380
80262995,83sleep08035-21fw_conntrack09:16:420
266272975,11sleep026628-21memory10:31:520
142202965,11sleep014223-21df_inode11:51:360
6395999237,38cyclictest0-21swapper/011:27:580
216682925,11sleep021670-21irqstats10:11:490
6395999168,10cyclictest101ktimersoftd/009:11:430
6395999138,37cyclictest6358-21kworker/u2:008:06:140
6395999034,40cyclictest0-21swapper/012:23:100
6395998933,39cyclictest0-21swapper/012:38:130
289702895,73sleep028976-21df10:41:360
6395998845,26cyclictest3650irq/20-4900000007:50:010
6395998844,28cyclictest3650irq/20-4900000011:11:150
6395998832,25cyclictest0-21swapper/009:27:270
6395998830,21cyclictest27937-21open_inodes10:36:550
6395998736,17cyclictest10250irq/56-4a10000009:01:330
6395998735,17cyclictest26912-21df08:26:360
52252875,11sleep04683-21apt-get09:05:280
6395998657,15cyclictest18121-21processes09:56:570
6395998621,30cyclictest786-21haveged10:20:050
639599849,19cyclictest1618-21seq08:53:330
6395998442,29cyclictest3650irq/20-4900000007:36:160
6395998442,27cyclictest8950irq/40-mmc112:06:230
6395998441,29cyclictest3650irq/20-4900000007:56:150
6395998439,28cyclictest3650irq/20-4900000012:01:220
6395998434,18cyclictest754-21systemd-journal11:58:320
6395998433,17cyclictest210802chrt10:09:500
6395998416,33cyclictest26044-21latency_hist10:30:020
154932845,67sleep015509-21irqstats09:46:460
6395998361,10cyclictest101ktimersoftd/007:27:010
6395998353,13cyclictest10150irq/55-4a10000008:22:140
6395998352,14cyclictest10150irq/55-4a10000011:46:480
6395998348,26cyclictest0-21swapper/008:36:370
6395998343,28cyclictest23491-21/usr/sbin/munin12:26:510
6395998337,30cyclictest10250irq/56-4a10000010:46:240
6395998336,32cyclictest101ktimersoftd/008:46:580
6395998335,13cyclictest25312-21latency_hist08:20:050
6395998334,17cyclictest10250irq/56-4a10000011:06:560
6395998319,27cyclictest0-21swapper/010:22:420
639599830,47cyclictest1295-21snmpd10:51:500
6395998162,11cyclictest101ktimersoftd/011:31:420
6395998149,14cyclictest10150irq/55-4a10000011:41:450
6395998134,31cyclictest10250irq/56-4a10000011:37:520
6395998131,11cyclictest101ktimersoftd/012:11:380
6395998053,17cyclictest13330-21/usr/sbin/munin09:37:000
6395998026,20cyclictest754-21systemd-journal10:01:210
6395998022,42cyclictest10250irq/56-4a10000007:10:460
6395997960,11cyclictest101ktimersoftd/011:16:490
6395997848,13cyclictest10150irq/55-4a10000008:31:430
6395997843,17cyclictest10150irq/55-4a10000008:41:410
6395997833,28cyclictest1300-21runrttasks11:24:400
6395997832,31cyclictest14434-21open_files07:41:550
6395997832,13cyclictest0-21swapper/007:16:480
6395997745,15cyclictest10150irq/55-4a10000009:52:000
6395997652,14cyclictest96432sleep007:21:570
6395997635,31cyclictest0-21swapper/007:52:220
6395997547,13cyclictest10150irq/55-4a10000009:21:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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