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2026-03-22 - 03:16
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Mar 22, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8101224382197,89sleep00-21swapper19:07:550
82399913152,54cyclictest14773-21apt-get23:34:110
82399912550,37cyclictest25464-21df_inode00:04:460
82399912453,49cyclictest2728-21/usr/sbin/munin22:59:180
82399912449,51cyclictest27176-21df_inode00:09:490
82399912248,35cyclictest31824-21cut22:49:220
82399912248,32cyclictest4170-21apt-get21:29:090
82399912245,34cyclictest16230-21apt-get22:04:080
82399912162,36cyclictest25172-21apt-get20:44:050
82399912156,38cyclictest21646-21apt-get23:54:100
82399912151,33cyclictest15594-21irqstats19:49:330
82399912150,48cyclictest29693-21apt-get21:09:160
82399912150,47cyclictest13325-21df23:29:310
82399912149,50cyclictest4893-21irqstats23:04:570
82399912149,33cyclictest10448-21awk19:19:490
82399912148,49cyclictest13117-21df_inode21:54:420
82399912147,49cyclictest29472-21users00:15:400
82399912145,37cyclictest32358-21ssh00:24:480
82399912057,29cyclictest26565-21apt-get22:34:120
82399912049,49cyclictest17942-21apt-get22:09:100
82399912048,50cyclictest1242-21apt-get00:29:070
82399912048,35cyclictest1159-21irqstats21:19:570
82399911950,48cyclictest7889-21apt-get23:14:100
82399911950,48cyclictest30393-21ssh22:44:510
82399911948,48cyclictest13356-21munin-run19:38:510
82399911946,49cyclictest18222-21apt-get23:44:070
82399911946,33cyclictest10019-21fw_conntrack23:19:530
82399911944,35cyclictest16501-21apt-get23:39:100
82399911853,45cyclictest11487-21unixbench_singl19:24:560
82399911852,42cyclictest9362-21apt-get21:44:110
82399911851,46cyclictest9193-21munin-node19:13:530
82399911850,48cyclictest32023-21awk21:15:150
82399911849,45cyclictest6429-21memory21:35:120
82399911846,51cyclictest21403-21apt-get22:19:160
82399911846,50cyclictest11920-21timerwakeupswit21:50:320
82399911846,48cyclictest22152-21grep20:24:530
82399911846,32cyclictest2603-21munin-run22:58:510
82399911845,49cyclictest3365-21fw_conntrack00:34:510
82399911842,53cyclictest29512-21head21:04:570
82399911750,26cyclictest11351-21apt-get23:24:080
82399911747,31cyclictest28826-21memory22:40:110
82399911746,49cyclictest2547-21ssh21:24:220
82399911745,49cyclictest21418-21ssh23:53:200
82399911745,32cyclictest15837-21ssh22:02:330
82399911744,48cyclictest24145-21users22:26:050
82399911743,50cyclictest30670-21ssh00:19:570
82399911742,32cyclictest25105-21df22:29:330
82399911657,34cyclictest19663-21apt-get22:14:010
82399911647,48cyclictest6538-21fw_conntrack23:09:470
82399911645,31cyclictest23823-21irqstats23:59:590
82399911644,49cyclictest7881-21df21:39:300
82399911565,31cyclictest28135-21df_abs20:59:220
82399911554,37cyclictest23362-21apt-get20:34:050
82399911454,35cyclictest26060-21apt-get20:49:040
82399911452,42cyclictest17152-21wget19:59:140
82399911444,33cyclictest21108-21wc20:19:410
82399911249,41cyclictest12323-21wc19:29:540
82399911242,28cyclictest27757-21munin-run20:58:500
82399911158,32cyclictest18856-21apt-get20:09:050
82399911141,48cyclictest13762-21/usr/sbin/munin19:39:300
82399911068,26cyclictest18227-21df_abs20:04:240
82399911042,47cyclictest9759-21munin-run19:18:500
82399911040,49cyclictest20364-21cat20:14:520
82399911035,51cyclictest24308-21basename20:39:080
82399910843,45cyclictest0-21swapper19:54:100
82399910737,31cyclictest22799-21irqstats20:29:330
82399910653,33cyclictest14708-21irqstats19:44:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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