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2026-06-02 - 10:36
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Tue Jun 02, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18015224232183,89sleep00-21swapper19:03:010
183199910412,57cyclictest5767-21ssh22:35:310
183199910310,55cyclictest28604-21ssh23:41:290
183199910217,44cyclictest28252-21df22:06:100
183199910117,62cyclictest7950-21df_inode22:41:220
183199910117,22cyclictest4870-21ssh00:06:510
183199910114,66cyclictest15177-21users21:27:140
183199910112,67cyclictest24722-21wc23:30:320
183199910111,27cyclictest30552-21ssh22:12:100
183199910016,23cyclictest31979-21ssh23:51:250
183199910013,26cyclictest9084-21apt-get21:10:580
183199910012,67cyclictest26361-21munin-run23:35:290
183199910010,49cyclictest8400-21ntpq00:16:580
18319999916,21cyclictest5406-21munin-run20:55:270
18319999829,56cyclictest0-21swapper22:19:320
18319999828,55cyclictest2497-21ssh22:25:580
18319999816,64cyclictest13098-21df_inode22:56:210
18319999816,62cyclictest11537-21df_inode00:26:180
18319999816,61cyclictest30293-21fw_conntrack23:46:310
18319999816,47cyclictest1553-21/usr/sbin/munin23:57:020
18319999815,45cyclictest26548-21df22:01:120
18319999815,44cyclictest18246-21sh23:11:230
18319999813,24cyclictest12614-21basename21:20:580
18319999716,60cyclictest16704-21memory23:06:450
18319999716,41cyclictest19664-21df21:41:090
18319999716,22cyclictest11257-21irqstats21:16:330
18319999715,62cyclictest14744-21df23:01:130
18319999715,44cyclictest9684-21fw_conntrack22:46:260
18319999714,43cyclictest21724-21fw_conntrack23:21:260
18319999714,23cyclictest8291-21users21:07:180
18319999713,62cyclictest9775-21sed00:21:140
18319999713,25cyclictest3056-21awk00:01:330
18319999712,65cyclictest16733-21/usr/sbin/munin21:32:060
18319999712,64cyclictest6004-21wget22:36:000
18319999711,46cyclictest3407-21find20:41:290
18319999617,58cyclictest1050-21df_inode22:21:190
18319999617,37cyclictest29218-21df_inode20:06:020
18319999611,64cyclictest26515-21ssh23:35:470
18319999610,67cyclictest21159-21if_err_eth019:21:080
18319999610,25cyclictest11280-21df22:51:070
18319999517,58cyclictest6044-21apt-get00:10:500
18319999517,44cyclictest24911-21df_inode21:56:220
18319999517,43cyclictest23219-21ssh21:51:310
18319999512,61cyclictest20572-21ssh23:17:160
18319999512,59cyclictest1713-21grep20:31:320
18319999512,24cyclictest14314-21ssh00:34:320
18319999415,63cyclictest19791-21fw_conntrack19:10:590
18319999413,60cyclictest21552-21/usr/sbin/munin21:46:340
18319999413,22cyclictest18687-21ssh21:37:330
18319999242,35cyclictest18582-21cpuspeed19:05:540
18319999116,55cyclictest32423-21users20:21:330
18319999116,55cyclictest22083-21irqstats19:26:150
18319999114,57cyclictest3978-21df_inode20:46:000
18319999113,61cyclictest27963-21cat20:00:280
18319999111,61cyclictest25343-21/usr/sbin/munin19:46:150
18319999026,45cyclictest0-21swapper20:26:290
18319999017,24cyclictest24798-21irqstats19:41:140
18319999012,27cyclictest26667-21/usr/sbin/munin19:51:180
18319999012,26cyclictest20547-21fgrep19:16:300
18319998933,19cyclictest7296-21latency_hist21:05:340
18319998917,24cyclictest2724-21/usr/sbin/munin20:40:280
18319998817,23cyclictest31103-21irqstats20:16:110
18319998814,27cyclictest6097-21grep20:56:270
18319998811,26cyclictest22757-21tr19:30:510
18319998717,23cyclictest29844-21apt-get20:10:460
18319998712,26cyclictest23848-21fw_conntrack19:36:050
18319998615,22cyclictest28262-21df20:00:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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