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2025-11-21 - 00:21
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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 Thu Nov 20, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30945220618,48sleep00-21swapper/007:07:120
25976211320,14sleep026005-21wget08:55:130
219621089,12sleep01377-21apt-get07:20:430
3197821054,10sleep032017-21mailstats07:10:500
2800121045,12sleep027106-21apt-get09:01:020
1496121045,11sleep014962-21diskstats08:10:220
1776521035,11sleep017783-21df10:25:210
17492995,11sleep01751-21irqstats09:25:300
33802984,11sleep03384-21df07:25:350
31341999747,32cyclictest11327-21/usr/sbin/munin07:56:010
38022965,11sleep02525-21apt-get11:37:080
315672955,11sleep031568-21diskstats09:15:220
31341999534,30cyclictest101ktimersoftd/010:15:370
31341999469,10cyclictest101ktimersoftd/010:00:250
31341999338,40cyclictest10250irq/56-4a10000009:56:250
31341999335,42cyclictest10250irq/56-4a10000008:06:060
17782936,11sleep01774-21ntp_states11:30:390
31341999225,30cyclictest792-21haveged10:15:030
31341999126,48cyclictest10250irq/56-4a10000008:00:580
31341999125,31cyclictest25367-21awk08:51:050
3134199911,52cyclictest1356-21snmpd12:25:430
31341999051,26cyclictest101ktimersoftd/010:21:140
31341999044,30cyclictest3650irq/20-4900000012:20:420
31341999040,33cyclictest13354-21ntpq12:15:380
31341999030,25cyclictest10250irq/56-4a10000011:16:470
31341998963,11cyclictest101ktimersoftd/011:55:490
31341998940,33cyclictest17458-21if_err_eth012:30:550
71102877,66sleep0101ktimersoftd/009:45:300
31341998743,30cyclictest3650irq/20-4900000010:07:100
31341998648,27cyclictest0-21swapper/010:55:210
31341998641,31cyclictest10250irq/56-4a10000009:30:110
31341998637,16cyclictest10250irq/56-4a10000010:36:340
31341998628,45cyclictest10250irq/56-4a10000007:35:550
31341998537,15cyclictest10250irq/56-4a10000010:31:300
31341998446,28cyclictest0-21swapper/008:35:280
31341998353,20cyclictest720-21sshd11:25:470
31341998337,31cyclictest10250irq/56-4a10000009:51:250
31341998323,14cyclictest10631-21apt-config07:55:070
31341998319,30cyclictest792-21haveged08:20:030
3134199827,39cyclictest1356-21snmpd08:28:350
31341998247,14cyclictest10150irq/55-4a10000011:05:180
31341998227,35cyclictest760-21systemd-journal09:41:410
239212820,6sleep023954-21proc_pri08:45:460
31341998155,17cyclictest10889-21/usr/sbin/munin12:05:370
31341998149,14cyclictest10150irq/55-4a10000011:50:210
31341998148,23cyclictest0-21swapper/011:10:230
31341998145,23cyclictest0-21swapper/012:35:380
31341998144,26cyclictest0-21swapper/010:50:250
31341998143,24cyclictest101ktimersoftd/009:20:330
31341998138,29cyclictest10250irq/56-4a10000007:19:510
31341998135,13cyclictest10250irq/56-4a10000007:45:570
31341998052,13cyclictest10150irq/55-4a10000010:45:410
31341998052,12cyclictest10150irq/55-4a10000010:40:150
31341998042,26cyclictest0-21swapper/009:10:150
3134199798,16cyclictest1356-21snmpd11:04:080
31341997951,13cyclictest10150irq/55-4a10000008:40:240
31341997949,13cyclictest10150irq/55-4a10000009:05:490
31341997948,15cyclictest8950irq/40-mmc112:10:410
31341997748,18cyclictest101ktimersoftd/009:35:500
31341997744,23cyclictest0-21swapper/011:40:140
31341997629,14cyclictest18477-21wc08:25:030
3134199758,15cyclictest5743-21diskstats11:45:250
3134199757,16cyclictest9486-21diskstats12:00:260
31341997556,11cyclictest101ktimersoftd/008:30:230
31341997555,11cyclictest101ktimersoftd/011:20:400
31341997549,17cyclictest5603-21latency_hist07:35:030
31341997445,13cyclictest10150irq/55-4a10000007:40:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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