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2026-04-10 - 12:24
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Thu Apr 09, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23983223621,48sleep00-21swapper/007:08:440
24198991698,102cyclictest12801-21apt-get10:42:120
241989916830,117cyclictest6823-21runrttasks12:20:180
241989916828,118cyclictest13921-21wget08:35:150
241989916126,117cyclictest12446-21wget08:30:170
24198991608,116cyclictest7576-21ntp_states08:10:380
241989916044,105cyclictest8814-21sshd12:26:350
24198991597,96cyclictest16190-21apt-get08:47:100
241989915912,105cyclictest1408-21nginx07:31:240
24198991568,111cyclictest1452-21munin-run12:00:020
241989915651,87cyclictest2010-21node11:42:120
241989915624,108cyclictest20300-21munin-run09:00:020
24198991559,107cyclictest25900-21ntp_states07:15:390
24198991558,117cyclictest1305-21snmpd08:15:460
24198991557,107cyclictest4205-21/usr/sbin/munin10:05:110
24198991556,130cyclictest12068-21/usr/sbin/munin08:30:050
241989915530,113cyclictest31009-21apt-get11:52:020
241989915524,99cyclictest1305-21snmpd09:50:320
24198991548,90cyclictest7456-21apt-get10:17:110
24198991548,108cyclictest21757-21wget09:05:150
24198991548,107cyclictest3996-21sshd12:10:020
24198991547,126cyclictest24308-21wget07:10:130
24198991547,107cyclictest24354-21df_inode09:15:200
24198991547,107cyclictest12806-21systemctl10:40:020
24198991539,125cyclictest2887-21chrt07:51:140
24198991528,126cyclictest11897-21sshd12:40:030
24198991528,122cyclictest8496-21tr10:20:450
24198991526,106cyclictest15300-21/usr/sbin/munin08:40:240
241989915227,105cyclictest787-21haveged11:05:260
24198991519,106cyclictest30087-21diskstats11:45:170
24198991518,99cyclictest18579-21irqstats11:00:270
24198991517,124cyclictest1276-21runrttasks07:35:210
24198991517,106cyclictest1305-21snmpd10:00:370
241989915146,95cyclictest28782-21seq07:25:580
241989915137,103cyclictest32544-21ntp_states07:40:410
241989915117,114cyclictest787-21haveged09:40:290
24198991508,126cyclictest6492-21munin-plugin-st12:20:020
241989915022,109cyclictest4138-21grep12:10:130
24198991498,123cyclictest22911-21seq09:10:110
24198991498,107cyclictest2830-21latency_hist10:00:000
24198991498,103cyclictest29381-21fw_forwarded_lo09:35:270
24198991497,108cyclictest26903-21fw_forwarded_lo09:25:260
24198991489,98cyclictest10310-21users08:20:470
24198991488,101cyclictest1305-21snmpd10:25:480
24198991487,120cyclictest812-21avahi-daemon10:50:400
24198991478,103cyclictest25649-21fw_conntrack09:20:220
24198991477,123cyclictest21807-21seq11:11:040
24198991477,118cyclictest22398-21/usr/sbin/munin11:15:430
241989914732,105cyclictest6911-21sshd08:08:380
241989914724,103cyclictest1305-21snmpd09:00:140
24198991468,102cyclictest23784-21wget11:20:160
24198991467,99cyclictest1305-21snmpd11:00:030
24198991467,98cyclictest5550-21sshd08:02:370
24198991466,120cyclictest1305-21snmpd12:31:270
24198991457,120cyclictest17928-21munin-node08:50:110
241989914531,103cyclictest32025-21ntp_states09:45:390
241989914519,109cyclictest26202-21wget11:30:100
24198991449,93cyclictest28093-21df09:30:160
241989914429,105cyclictest14753-21df_inode10:45:180
24198991436,121cyclictest1156-21runrttasks07:45:210
24198991436,119cyclictest3451-21/usr/sbin/munin07:55:130
24198991427,83cyclictest27103-21memory07:20:340
241989914212,118cyclictest27570-21df11:35:130
24198991409,118cyclictest11039-21/usr/sbin/munin10:30:500
24198991408,102cyclictest5559-21aten_r7power_vo10:10:140
241989914017,106cyclictest1305-21snmpd11:26:080
241989913936,92cyclictest2201-21runrttasks12:00:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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