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2025-12-04 - 19:08
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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 Dec 04, 2025 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13036218621,138sleep013111-21grep07:05:340
137809918149,30cyclictest3650irq/20-4900000008:18:230
26120210814,12sleep026125-21ntp_states12:05:400
558121077,11sleep05584-21df10:45:200
27273210712,81sleep027276-21irqstats12:10:320
2681021065,12sleep026812-21fw_forwarded_lo10:00:270
1137210323,66sleep0101ktimersoftd/008:20:350
3092121025,12sleep030929-21processes08:11:280
2032621028,12sleep020332-21ntp_states09:35:400
808221005,11sleep07869-21/usr/sbin/munin10:55:240
49732995,80sleep04979-21ntp_states08:35:430
235432996,82sleep022329-21apt-get09:46:410
1776329927,58sleep0101ktimersoftd/009:25:340
224752984,10sleep022486-21ntp_kernel_err07:40:380
183442986,81sleep018361-21tr07:25:340
16462975,81sleep01708-21which12:35:490
172312965,81sleep016242-21apt-get07:21:140
13780999439,40cyclictest0-21swapper/008:25:230
285362934,76sleep028543-21netstat12:15:370
13780999355,26cyclictest101ktimersoftd/007:31:250
13780999338,40cyclictest10250irq/56-4a10000008:08:230
50682925,76sleep01356-21snmpd10:43:200
236522916,71sleep0101ktimersoftd/007:45:290
13780999168,11cyclictest101ktimersoftd/009:20:340
3762905,74sleep031865-21apt-get12:31:200
13780999045,31cyclictest3650irq/20-4900000011:52:120
13780999041,16cyclictest10250irq/56-4a10000008:31:180
13780999040,17cyclictest10250irq/56-4a10000008:51:210
106042904,8sleep00-21swapper/008:59:210
13780998941,15cyclictest10250irq/56-4a10000007:10:560
13780998933,41cyclictest10250irq/56-4a10000011:36:510
300852885,11sleep030099-21users12:20:480
13780998738,15cyclictest10250irq/56-4a10000009:11:210
13780998726,43cyclictest101ktimersoftd/010:10:180
13780998532,34cyclictest30851-21cut10:15:490
13780998453,13cyclictest10150irq/55-4a10000012:25:330
13780998436,40cyclictest10250irq/56-4a10000011:49:110
13780998354,13cyclictest10150irq/55-4a10000010:20:430
13780998344,11cyclictest101ktimersoftd/011:29:070
13780998340,29cyclictest3650irq/20-4900000009:02:100
13780998335,15cyclictest10250irq/56-4a10000008:44:560
13780998330,18cyclictest13103-21fw_packets11:15:280
94482826,66sleep09449-21memory11:00:350
153182827,62sleep0101ktimersoftd/007:15:260
13780998151,21cyclictest16099-21sendmail09:20:000
13780998151,20cyclictest14686-21/usr/sbin/munin11:20:460
13780998137,31cyclictest3650irq/20-4900000007:57:150
13780998137,30cyclictest10250irq/56-4a10000010:51:470
13780998135,31cyclictest10250irq/56-4a10000011:31:520
13780998126,35cyclictest407-21wget10:25:130
13780998125,41cyclictest10250irq/56-4a10000008:01:080
13780998049,14cyclictest3650irq/20-4900000010:35:370
13780998041,26cyclictest3650irq/20-4900000009:50:420
13780998033,32cyclictest10250irq/56-4a10000007:54:500
1378099798,19cyclictest25525-21diskstats09:55:260
13780997949,14cyclictest10150irq/55-4a10000011:40:500
13780997945,24cyclictest0-21swapper/011:55:370
13780997936,29cyclictest3650irq/20-4900000009:30:230
13780997848,12cyclictest10150irq/55-4a10000011:05:340
13780997842,15cyclictest28940-21apt10:10:000
1378099781,38cyclictest21100-21fw_conntrack07:35:250
13780997810,17cyclictest2258-21users10:30:520
13780997759,11cyclictest101ktimersoftd/009:10:020
13780997746,14cyclictest10150irq/55-4a10000012:00:120
1378099756,31cyclictest11826-21diskstats11:10:250
13780997454,12cyclictest101ktimersoftd/008:45:240
13780997347,19cyclictest21638-21/usr/sbin/munin09:40:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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