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2026-09-03 - 14:05
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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 highest latencies:
System rack5slot7.osadl.org (updated Thu Sep 03, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26101224032216,137sleep00-21swapper18:58:190
264209913967,46cyclictest32628-21apt-get23:26:160
264209913966,50cyclictest1861-21apt-get21:56:120
264209913762,50cyclictest17731-21irqstats00:17:070
264209913760,52cyclictest25746-21apt-get21:31:190
264209913660,34cyclictest24975-21users21:27:500
264209913656,35cyclictest27452-21/usr/sbin/munin21:37:490
264209913564,48cyclictest15909-21df_inode22:36:500
264209913563,50cyclictest18972-21apt-get00:21:120
264209913471,45cyclictest2614-21unixbench_singl19:46:590
264209913458,36cyclictest14787-21users22:32:460
264209913457,36cyclictest4063-21irqstats23:37:070
264209913360,49cyclictest20603-21apt-get21:16:140
264209913358,36cyclictest13051-21users22:27:450
264209913357,52cyclictest9327-21ntp_states22:17:260
264209913357,51cyclictest17161-21apt-get21:06:180
264209913264,44cyclictest32593-21apt-get21:51:170
264209913260,48cyclictest15992-21memory21:02:210
264209913260,34cyclictest29229-21apt-get23:16:120
264209913258,50cyclictest25782-21apt-get23:06:200
264209913257,51cyclictest9156-21ssh23:52:000
264209913256,50cyclictest20681-21/usr/sbin/munin00:26:050
264209913254,33cyclictest31144-21df21:46:400
264209913169,36cyclictest13616-21apt-get20:51:100
264209913160,50cyclictest31525-21modprobe19:30:530
264209913159,50cyclictest3579-21apt-get22:01:170
264209913157,33cyclictest27526-21apt-get23:11:190
264209913152,53cyclictest15563-21sed00:11:020
264209913068,37cyclictest32552-21apt-get19:36:120
264209913058,50cyclictest1897-21/usr/sbin/munin23:31:560
264209913057,49cyclictest5535-21df22:06:360
264209913056,32cyclictest24263-21aten_r5power_vo23:01:340
264209913055,51cyclictest7947-21users23:47:440
264209913053,52cyclictest7138-21cut22:11:280
264209913053,52cyclictest10450-21/usr/sbin/munin23:56:070
264209913052,52cyclictest8941-21sed20:22:010
264209913049,39cyclictest19249-21sed22:46:420
264209912967,35cyclictest20679-21apt-get22:51:130
264209912956,33cyclictest22389-21apt-get22:56:090
264209912955,51cyclictest22307-21apt-get21:21:220
264209912955,51cyclictest17256-21apt-get22:41:110
264209912955,49cyclictest12147-21apt-get00:01:150
264209912955,36cyclictest5586-21df23:41:400
264209912857,49cyclictest30499-21ssh21:44:410
264209912855,51cyclictest30951-21ssh23:21:170
264209912853,35cyclictest19175-21df21:11:400
264209912756,31cyclictest16097-21memory00:12:120
264209912654,31cyclictest10411-21apt-get22:21:130
264209912558,45cyclictest26517-21apt-get19:01:090
264209912556,47cyclictest11003-21/usr/sbin/munin20:36:160
264209912554,33cyclictest13296-21wc20:46:530
264209912549,52cyclictest10204-21wc20:31:210
264209912455,28cyclictest7319-21apt-get20:16:100
264209912451,49cyclictest29068-21tr19:16:180
264209912446,36cyclictest6301-21sendmail20:10:540
264209912256,44cyclictest6416-21/usr/sbin/munin20:11:360
264209912249,33cyclictest27940-21munin-run19:10:540
264209912246,51cyclictest32239-21find19:31:550
264209912176,26cyclictest14531-21aten_r5power_cu20:56:130
264209912161,37cyclictest4596-21/usr/sbin/munin20:01:470
264209912148,34cyclictest28115-21tr19:11:160
264209912144,36cyclictest9682-21/usr/sbin/munin20:26:550
264209912071,26cyclictest978-21apt-get19:41:080
264209912064,33cyclictest29842-21apt-get19:21:090
264209912050,48cyclictest4140-21grep19:56:500
264209911948,49cyclictest14207-21snmpd20:41:170
264209911655,36cyclictest2810-21/usr/sbin/munin19:51:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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