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2026-03-22 - 02:54
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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 50 highest latencies:
System rack7slot3.osadl.org (updated Sun Mar 22, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175002148324sleep17499-21sed19:03:030
1792799284153cyclictest4691-21runrttasks20:31:020
1792799272106cyclictest12709-21ls21:07:150
1792799239209cyclictest22887-21munin-node0
1792799233208cyclictest28550-21rm22:11:090
1792799233207cyclictest26324-21ssh22:02:380
1792799232206cyclictest27881-21ssh00:18:280
1792799232172cyclictest13134-21ssh21:08:400
1792799231202cyclictest32255-21munin-run22:27:280
1792799231162cyclictest17762-21df23:37:380
1792799230207cyclictest26767-21chrt22:03:560
1792799230205cyclictest21657-21rm23:53:150
1792799230205cyclictest21020-21ssh23:50:040
1792799230170cyclictest15664-21irqstats21:18:570
1792799230163cyclictest18966-21df21:32:400
1792799229205cyclictest7661-1kworker/0:1H22:33:060
1792799229205cyclictest20098-21runrttasks19:16:410
1792799229204cyclictest27303-21chrt00:16:070
1792799228203cyclictest30700-21ssh22:19:520
1792799228199cyclictest2954-21netwatch21:39:300
1792799228167cyclictest6416-21ssh22:52:440
1792799227203cyclictest19377-21ssh23:43:510
1792799227201cyclictest15981-21ssh23:29:500
1792799227200cyclictest25206-21ssh21:58:030
1792799227197cyclictest29135-21ssh22:13:310
1792799227166cyclictest21737-21munin-node0
1745222715sleep1749-21latency20:18:190
1792799226201cyclictest10444-21munin-run20:57:190
1792799226161cyclictest25465-21fschecks_time00:08:270
1792799226160cyclictest3763-21/usr/sbin/munin22:42:400
1792799225199cyclictest9622-21ssh23:04:360
1792799225199cyclictest5950-21munin-node0
1792799225197cyclictest28667-21proc_pri19:53:340
1792799225164cyclictest19589-21ntp_offset21:34:350
1792799225162cyclictest17183-21ssh21:24:440
1792799224200cyclictest13547-21sshd23:20:100
1792799224199cyclictest30583-21cut20:02:510
1792799224198cyclictest14802-21sshd23:25:090
1792799224197cyclictest6823-21awk20:39:060
1792799224197cyclictest2953-21runrttasks19:10:150
1792799224196cyclictest2953-21runrttasks00:25:570
1792799224195cyclictest22550-21df19:27:360
1792799224165cyclictest32699-21cat20:12:310
1792799224162cyclictest2726-21lxpanel19:39:020
1792799224160cyclictest10739-21fschecks_time20:57:580
1792799224159cyclictest25088-21munin-run00:07:360
1792799224159cyclictest11854-21chrt23:13:380
1792799223198cyclictest1077-21ssh22:32:260
1792799223196cyclictest14611-21apt-get21:15:050
1792799223158cyclictest301-21df_inode00:37:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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