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2026-06-29 - 16:56
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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 highest latencies:
System rack7slot8.osadl.org (updated Mon Jun 29, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101632984174,394sleep06928-21kworker/0:219:05:230
111179917744,14cyclictest10150irq/55-4a10000023:36:420
111179916640,17cyclictest10012-21df23:20:220
111179916214,16cyclictest16349-21awk23:42:180
111179916148,15cyclictest10150irq/55-4a10000000:05:180
111179916049,13cyclictest10150irq/55-4a10000000:35:380
111179915942,99cyclictest3650irq/20-4900000022:37:130
111179915751,19cyclictest22270-21/usr/sbin/munin22:00:590
111179915546,15cyclictest23647-21seq00:10:510
111179915545,99cyclictest0-21swapper/023:30:220
111179915539,21cyclictest17631-21diskstats19:35:210
111179915355,89cyclictest30346-21basename20:25:140
111179915336,20cyclictest492-21diskstats20:35:250
111179915315,30cyclictest787-21haveged19:55:080
111179915243,21cyclictest1-21systemd00:34:410
111179915237,23cyclictest25846-21fw_conntrack22:15:260
111179915149,11cyclictest101ktimersoftd/020:50:170
111179915143,13cyclictest10150irq/55-4a10000023:05:260
111179915138,20cyclictest1812-21runrttasks22:46:520
111179915136,23cyclictest17144-21awk23:45:360
111179915135,18cyclictest25260-21latency_hist20:05:030
111179914956,11cyclictest101ktimersoftd/020:10:020
111179914940,16cyclictest4695-21sendmail23:00:010
111179914933,34cyclictest21387-21munin-run22:00:020
111179914843,15cyclictest11561-21runrttasks21:20:080
111179914838,22cyclictest23302-21proc_pri19:56:250
111179914760,10cyclictest101ktimersoftd/022:30:230
111179914741,17cyclictest18838-21cpu19:40:170
111179914741,13cyclictest10150irq/55-4a10000022:05:250
111179914723,27cyclictest27936-21latency_hist00:30:040
111179914657,11cyclictest101ktimersoftd/021:50:400
111179914653,13cyclictest101ktimersoftd/021:30:180
111179914641,18cyclictest25840-21if_eth000:20:290
111179914639,14cyclictest10150irq/55-4a10000021:20:020
111179914544,14cyclictest10150irq/55-4a10000019:10:190
111179914542,18cyclictest29699-21runrttasks20:21:120
111179914537,26cyclictest18245-21diskstats23:50:230
111179914534,23cyclictest334-21sendmail_mailtr22:40:480
111179914527,29cyclictest12621-21cpuspeed19:15:170
111179914456,11cyclictest101ktimersoftd/020:30:250
11117991435,16cyclictest8934-21latency_hist21:10:040
111179914346,14cyclictest9177-21wc21:10:150
111179914343,14cyclictest10150irq/55-4a10000000:15:260
111179914340,19cyclictest6833-21if_err_eth021:00:300
111179914340,19cyclictest2603-21if_eth022:50:310
111179914340,17cyclictest28700-21runrttasks20:18:240
111179914339,19cyclictest26992-21aten_r7power_vo22:20:140
111179914336,18cyclictest25336-21runrttasks22:13:390
111179914246,14cyclictest27689-21latency_hist20:15:020
111179914240,18cyclictest12831-21aten_r7power_cu21:25:130
111179914239,19cyclictest11051-21runrttasks23:25:120
111179914239,18cyclictest17133-21runrttasks19:33:330
111179914145,13cyclictest15353-21uname19:25:420
111179914043,16cyclictest18942-21latency_hist21:50:020
111179914035,20cyclictest20317-21sh19:45:400
111179913853,11cyclictest101ktimersoftd/023:15:340
111179913751,10cyclictest101ktimersoftd/023:55:320
111179913750,13cyclictest101ktimersoftd/020:45:210
11117991373,41cyclictest20653-21wget00:00:310
111179913450,11cyclictest101ktimersoftd/021:35:210
111179913343,13cyclictest10150irq/55-4a10000021:40:320
111179913235,21cyclictest6442-21munin-run21:00:010
79282985,82sleep07301-21/usr/sbin/munin23:10:540
11117998945,28cyclictest3650irq/20-4900000019:20:240
11117998240,30cyclictest101ktimersoftd/023:00:560
11117997920,15cyclictest2715-21latency_hist20:45:030
1111799777,18cyclictest28318-21df22:25:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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