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2026-09-18 - 17:03
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Fri Sep 18, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26937224270,12sleep025937-1kworker/u3:206:55:490
278779910413,28cyclictest18643-21ntp_states12:11:390
278779910327,51cyclictest17870-21apt-get10:35:280
278779910318,45cyclictest14809-21fw_conntrack10:26:100
278779910315,68cyclictest24742-21munin-run12:30:100
278779910225,38cyclictest21421-21basename10:45:410
278779910218,44cyclictest31804-21fw_conntrack09:41:070
278779910217,63cyclictest23017-21apt-get10:50:310
278779910212,26cyclictest8811-21ssh10:08:260
278779910137,38cyclictest11157-21apt-get11:50:270
278779910123,36cyclictest4658-21df_inode11:31:040
278779910117,62cyclictest30151-21df11:10:480
278779910116,48cyclictest16501-21df_inode10:31:020
278779910112,66cyclictest28157-21apt-get11:05:370
278779910029,32cyclictest21880-21irqstats12:21:180
278779910026,51cyclictest12711-21apt-get10:20:280
278779910019,42cyclictest29772-21memory07:06:200
278779910015,64cyclictest9431-21/usr/sbin/munin11:45:450
278779910014,25cyclictest4130-21ssh11:29:590
278779910012,67cyclictest6018-21/usr/sbin/munin11:36:250
278779910011,66cyclictest9580-21grep10:10:540
27877999917,21cyclictest4487-21df_inode09:55:590
27877999916,25cyclictest16282-21/usr/sbin/munin12:06:140
27877999915,60cyclictest21144-21apt-get09:10:270
27877999913,24cyclictest3629-21ssh09:53:120
27877999835,38cyclictest31188-21apt-get07:15:220
27877999831,49cyclictest0-21swapper10:44:060
27877999830,32cyclictest27724-21ssh11:03:390
27877999829,49cyclictest8537-21munin-run08:10:080
27877999827,50cyclictest19392-21apt-get09:05:290
27877999824,52cyclictest844-21apt-get11:20:340
27877999823,36cyclictest11009-21apt-get10:15:270
27877999817,20cyclictest13403-21memory11:56:270
27877999813,25cyclictest1063-21ssh09:46:090
27877999726,50cyclictest30248-21memory09:36:250
27877999726,49cyclictest7719-21apt-get11:40:260
27877999721,37cyclictest24564-21apt-get09:20:290
27877999715,61cyclictest18069-21fw_conntrack09:01:140
27877999711,26cyclictest23309-21ssh09:16:210
27877999617,20cyclictest5999-21hostname10:00:420
27877999614,44cyclictest26278-21/usr/sbin/munin09:26:460
27877999613,64cyclictest31607-21apt-get11:15:270
27877999521,51cyclictest4094-21cat07:45:120
27877999420,34cyclictest24729-21/usr/sbin/munin10:56:050
27877999415,21cyclictest28267-21df09:30:490
27877999410,45cyclictest21116-21ssh12:19:070
27877999315,57cyclictest14956-21fw_conntrack12:01:070
27877999313,60cyclictest16578-21head08:51:130
2787799929,67cyclictest10864-21cat08:20:580
27877999223,49cyclictest0-21swapper07:00:580
27877999218,37cyclictest6417-21ntp_states07:56:050
27877999214,43cyclictest7292-21tr08:01:010
27877999128,47cyclictest0-21swapper07:20:480
27877999117,31cyclictest4190-21cut07:45:290
27877999012,21cyclictest16953-21df08:55:380
27877999011,21cyclictest14643-21sshd08:41:080
27877998922,46cyclictest8654-21dpkg08:10:190
27877998912,43cyclictest15518-21grep08:46:100
27877998910,40cyclictest12115-21sshd08:28:090
27877998837,29cyclictest2342-21/usr/sbin/munin07:35:180
27877998818,23cyclictest12521-21df_inode08:30:420
27877998817,23cyclictest985-21ntp_states07:26:020
27877998814,25cyclictest1923-21/usr/sbin/munin07:31:030
27877998718,33cyclictest9550-21apt-get08:15:230
27877998716,23cyclictest30289-21apt-get07:10:240
27877998616,51cyclictest5300-21df_abs07:50:400
27877998611,28cyclictest13491-21grep08:35:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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