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2026-03-25 - 08:43
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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 Wed Mar 25, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30157224382195,96sleep00-21swapper19:07:330
303189913076,33cyclictest24252-21ssh21:22:560
303189912976,32cyclictest16632-21fw_conntrack22:34:420
303189912773,32cyclictest1690-21snmpd00:09:560
303189912672,32cyclictest14352-21ssh00:02:080
303189912574,32cyclictest25572-21ssh00:34:520
303189912573,32cyclictest3347-21/usr/sbin/munin23:30:120
303189912474,31cyclictest20122-21/usr/sbin/munin22:44:460
303189912371,29cyclictest28299-21df_abs21:34:300
303189912369,31cyclictest30818-21ssh21:41:120
303189912270,31cyclictest20961-21ssh00:20:480
303189912166,34cyclictest529-21ssh23:22:010
303189912074,25cyclictest8536-21ntp_states23:45:130
303189911970,31cyclictest5174-21ssh22:00:390
303189911873,24cyclictest27817-21ssh23:07:000
303189911771,26cyclictest9689-21fw_conntrack20:14:190
303189911769,31cyclictest1690-21snmpd20:11:230
303189911669,29cyclictest2101-21ssh21:52:360
303189911659,42cyclictest8093-21kworker/0:022:11:580
303189911573,26cyclictest14866-21df_abs22:29:320
303189911465,30cyclictest17510-21kworker/u2:021:16:400
303189911368,28cyclictest11631-21memory22:20:010
303189911165,28cyclictest12107-21apt-get20:29:000
303189911067,26cyclictest11342-21/usr/sbin/munin23:54:270
303189911065,30cyclictest19078-21ssh00:15:270
303189911062,27cyclictest4488-21ntp_states19:44:370
303189911016,70cyclictest22050-21ntpq22:50:160
303189910864,29cyclictest9280-1kworker/u3:122:14:490
303189910764,29cyclictest26761-21ssh21:29:570
303189910660,25cyclictest18368-21fw_conntrack22:39:400
303189910459,28cyclictest0-21swapper23:49:440
303189910458,30cyclictest24544-21apt-get21:23:540
303189910362,28cyclictest31920-21ssh21:44:560
303189910256,26cyclictest0-21swapper20:23:420
303189910214,66cyclictest5408-21users23:35:340
303189910213,64cyclictest15379-21/usr/sbin/munin00:05:100
303189910166,22cyclictest19612-21ssh21:09:270
303189910134,47cyclictest6202-21apt-get23:39:040
303189910115,23cyclictest30537-21memory23:15:030
30318999959,25cyclictest18694-21/usr/sbin/munin21:04:200
30318999936,46cyclictest0-21swapper22:27:350
30318999916,24cyclictest25004-21munin-run00:33:430
30318999911,46cyclictest7590-21grep20:03:460
30318999855,25cyclictest0-21swapper00:27:000
30318999823,51cyclictest5190-21fw_conntrack19:49:200
30318999814,45cyclictest28549-21df23:09:260
30318999812,49cyclictest23116-21ssh22:53:550
30318999810,66cyclictest15787-21wget20:49:040
30318999810,50cyclictest1564-21ssh23:25:040
30318999744,32cyclictest0-21swapper20:34:420
30318999733,45cyclictest0-21swapper20:08:420
30318999716,60cyclictest6470-21ssh22:05:080
30318999714,66cyclictest0-21swapper21:55:350
30318999710,63cyclictest26542-21sort23:03:490
30318999511,61cyclictest30476-21basename19:09:040
30318999430,46cyclictest32685-21grep19:19:460
30318999412,58cyclictest17397-21sendmail20:58:410
30318999348,26cyclictest0-21swapper20:44:410
30318999311,59cyclictest1749-21awk19:29:350
3031899929,45cyclictest3169-21grep19:39:030
30318999238,35cyclictest1018-21switchtime19:24:440
30318999017,18cyclictest0-21swapper19:34:470
30318998916,24cyclictest6136-21irqstats19:54:240
30318998915,34cyclictest17615-21/usr/sbin/munin20:59:060
30318998912,37cyclictest14703-21cron20:43:410
30318998713,36cyclictest31689-21if_eth019:14:070
30318998710,55cyclictest11318-21basename20:24:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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