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2025-12-18 - 14:54
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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 highest latencies:
System rack7slot8.osadl.org (updated Thu Dec 18, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1460232330,88sleep01295-21snmpd07:06:450
1918991737,142cyclictest11676-21df09:55:150
19189916939,112cyclictest10250irq/56-4a10000007:15:470
19189916641,96cyclictest3233-21cat07:15:080
19189916438,108cyclictest32378-21apt-get11:17:130
19189916423,121cyclictest28070-21grep11:00:420
19189916254,95cyclictest785-21/usr/sbin/munin09:11:090
1918991588,128cyclictest1368-21nginx12:22:060
19189915718,120cyclictest22736-21wget10:40:160
1918991569,18cyclictest12802-21wget10:00:140
1918991567,17cyclictest1891-21df_inode11:25:190
1918991567,17cyclictest17166-21runrttasks10:16:540
1918991567,131cyclictest15151-21wc10:10:040
1918991556,128cyclictest1295-21snmpd11:05:320
19189915530,103cyclictest1295-21snmpd12:02:070
19189915529,107cyclictest1295-21snmpd08:19:410
19189915529,105cyclictest1295-21snmpd09:09:160
1918991548,103cyclictest14126-21chrt07:55:250
19189915445,98cyclictest17732-21/usr/sbin/munin10:20:130
19189915426,92cyclictest1295-21snmpd09:40:050
19189915329,113cyclictest5621-21sshd07:20:530
1918991527,13cyclictest3263-21awk09:20:360
19189915242,99cyclictest12721-21aten_r7power_en07:50:140
19189915232,100cyclictest17380-21runrttasks12:27:580
19189915222,111cyclictest1295-21snmpd08:09:380
1918991518,20cyclictest11572-21aten_r7power_cu12:05:120
1918991518,120cyclictest10218-21ls09:50:030
1918991517,124cyclictest11617-21cpuspeed07:45:160
19189915129,105cyclictest1295-21snmpd11:55:500
19189915110,18cyclictest10077-21munin-run07:40:020
1918991509,18cyclictest24877-21latency_hist08:40:040
1918991508,122cyclictest7855-21/usr/sbin/munin11:50:080
19189915042,96cyclictest29856-21latency_hist09:00:030
19189915039,99cyclictest28639-21latency_hist08:55:020
19189915029,102cyclictest1295-21snmpd08:14:160
19189915023,93cyclictest1295-21snmpd07:29:310
19189915019,111cyclictest2740-21systemctl09:20:000
1918991496,15cyclictest1295-21snmpd08:04:380
1918991488,100cyclictest5411-21sshd11:40:150
19189914825,112cyclictest25307-21/usr/sbin/munin08:40:300
19189914817,113cyclictest5279-21munin-run11:40:020
1918991477,20cyclictest1295-21snmpd11:46:580
1918991477,16cyclictest1300-21runrttasks12:19:470
1918991476,15cyclictest754-21systemd-journal07:30:580
1918991474,16cyclictest18991-21wget12:35:090
19189914725,111cyclictest4175-21basename09:25:150
1918991469,125cyclictest1295-21snmpd11:30:430
1918991468,125cyclictest1295-21snmpd09:00:370
1918991467,22cyclictest1295-21snmpd10:55:290
1918991467,20cyclictest20356-21diskstats10:30:260
1918991466,13cyclictest80192chrt09:40:230
19189914611,122cyclictest1295-21snmpd10:36:450
1918991457,16cyclictest18507-21chrt12:32:090
1918991456,16cyclictest819-21ntp_offset11:20:400
1918991446,14cyclictest31118-21/usr/sbin/munin11:15:030
19189914423,103cyclictest12797-21/usr/sbin/munin12:10:470
19189914418,111cyclictest1295-21snmpd10:45:240
1918991438,16cyclictest1295-21snmpd10:50:250
19189914341,93cyclictest10690-21seq09:50:390
19189914337,95cyclictest10520-21runrttasks07:40:320
19189914325,104cyclictest10250irq/56-4a10000010:10:110
19189914315,109cyclictest6443-21latency_hist09:35:030
19189914314,110cyclictest1295-21snmpd08:34:460
1918991428,15cyclictest1295-21snmpd10:25:160
1918991419,120cyclictest26439-21df08:45:180
1918991416,118cyclictest20957-21runrttasks08:23:020
19189914019,105cyclictest10250irq/56-4a10000008:26:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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