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2026-04-18 - 15:50
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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 Sat Apr 18, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32389223992164,182sleep00-21swapper07:05:440
326259917138,113cyclictest18901-21aten_r5power_vo08:47:570
326259917017,129cyclictest30098-21memory11:03:530
326259916933,115cyclictest12331-21sh11:46:550
326259916834,117cyclictest26814-21proc_pri10:54:100
326259916820,37cyclictest310-21apt-get09:37:560
326259916819,26cyclictest20598-21/usr/sbin/munin08:58:460
326259916722,27cyclictest9155-21/usr/sbin/munin11:39:260
326259916715,39cyclictest20441-21/usr/sbin/munin08:53:420
326259916710,132cyclictest30062-21awk09:29:090
326259916615,39cyclictest27846-21apt-get10:57:550
326259916612,130cyclictest18135-21fw_conntrack12:03:370
326259916534,111cyclictest13426-21diskmemload11:49:160
326259916519,24cyclictest16030-21apt-get11:57:550
326259916519,23cyclictest25564-21users12:24:210
326259916516,22cyclictest31430-21fw_conntrack09:33:360
326259916510,132cyclictest3053-21/usr/sbin/munin09:44:380
326259916433,114cyclictest31638-21/usr/sbin/munin11:08:290
326259916419,39cyclictest15814-21/usr/sbin/munin10:24:280
326259916418,24cyclictest7703-21df11:33:170
326259916417,38cyclictest7489-21df09:58:170
326259916417,26cyclictest869-21df_inode11:13:260
326259916413,26cyclictest21171-21/usr/sbin/munin12:12:430
326259916413,127cyclictest15900-21munin-run11:57:330
326259916337,107cyclictest23008-21missed_timers09:09:050
326259916336,23cyclictest25476-21sh10:49:580
326259916319,37cyclictest12368-21apt-get10:12:490
326259916319,23cyclictest19252-21apt-get10:32:540
326259916316,38cyclictest26355-21irqstats09:18:460
326259916227,32cyclictest0-21swapper09:12:440
326259916220,28cyclictest10688-21apt-get08:02:490
326259916214,27cyclictest29284-21latency_hist09:27:380
326259916212,40cyclictest17607-21/usr/sbin/munin08:38:350
326259916119,38cyclictest17527-21apt-get10:27:520
326259916118,21cyclictest28049-21apt-get12:32:530
326259916117,25cyclictest24141-21ssh12:20:450
326259916117,22cyclictest19837-21fw_conntrack12:08:310
326259916115,38cyclictest13667-21df_inode08:18:060
326259916115,123cyclictest6095-21fw_conntrack11:28:330
326259916042,99cyclictest605-21kernelversion07:08:190
326259916033,23cyclictest9630-21/usr/sbin/munin10:04:080
326259916033,23cyclictest6686-21sh09:55:370
326259916019,24cyclictest2596-21apt-get07:17:490
326259916017,36cyclictest4011-21apt-get11:22:530
326259916017,25cyclictest4318-21memory09:48:580
326259916015,26cyclictest15040-21users10:19:210
326259915935,21cyclictest1690-21snmpd08:07:540
326259915934,25cyclictest16084-21/usr/sbin/munin08:33:330
326259915918,24cyclictest21500-21apt-get09:02:490
326259915918,24cyclictest12088-21ssh10:11:510
326259915915,25cyclictest21426-21irqstats10:38:450
326259915911,46cyclictest23493-21ssh10:44:140
326259915817,23cyclictest14412-21/usr/sbin/munin08:22:580
326259915816,26cyclictest26541-21/usr/sbin/munin12:28:100
326259915811,42cyclictest2289-21/usr/sbin/munin11:19:120
326259915715,39cyclictest9675-21munin-run07:57:340
326259915622,28cyclictest1202-21munin-node07:12:430
326259915534,17cyclictest0-21swapper07:58:050
326259915519,24cyclictest13285-21munin-run08:17:350
326259915518,20cyclictest3493-21apt-get07:22:500
326259915517,23cyclictest17900-21apt-get08:42:490
326259915516,22cyclictest6993-21munin-run07:42:340
326259915315,38cyclictest15475-21fw_conntrack08:28:150
326259915312,40cyclictest7555-21grep07:43:290
326259915211,41cyclictest5727-21grep07:33:260
326259915117,22cyclictest4716-21irqstats07:28:180
326259915019,23cyclictest8780-21munin-run07:52:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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