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2026-06-04 - 11:53
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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 Thu Jun 04, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16766224312196,90sleep00-21swapper19:05:060
168269910615,50cyclictest8029-21users21:37:120
168269910315,66cyclictest1927-21apt-get21:20:400
168269910214,51cyclictest6912-21ssh21:35:120
168269910116,46cyclictest19128-21apt-get22:10:430
168269910116,45cyclictest773-21df_inode22:51:130
168269910114,63cyclictest28164-21ssh22:36:280
168269910112,66cyclictest21797-21users22:17:100
168269910018,23cyclictest28884-21users00:12:130
168269910017,22cyclictest22848-21df22:21:030
168269910016,64cyclictest17411-21apt-get22:05:460
168269910016,22cyclictest31567-21fw_conntrack22:46:270
1682699999,26cyclictest4849-21users23:02:130
16826999917,60cyclictest14245-21df21:56:060
16826999917,59cyclictest13185-21users21:52:100
16826999917,43cyclictest31749-21df_inode00:21:150
16826999916,63cyclictest10783-21apt-get23:20:480
16826999916,62cyclictest21610-21ssh23:51:420
16826999916,60cyclictest19546-21basename19:25:400
16826999915,63cyclictest9998-21users23:17:090
16826999914,64cyclictest25885-21ssh00:04:150
16826999914,64cyclictest16147-21irqstats22:01:340
16826999913,48cyclictest1916-21ssh00:28:410
16826999913,27cyclictest24650-21ssh22:26:200
16826999912,22cyclictest30403-21ntp_states21:06:500
16826999817,60cyclictest32614-21apt-get21:15:450
16826999718,59cyclictest17725-21munin-run19:10:220
16826999718,43cyclictest29470-21apt-get22:40:460
16826999712,66cyclictest7754-21ssh23:11:260
16826999711,23cyclictest13817-21ssh23:29:060
16826999624,63cyclictest0-21swapper20:27:280
16826999615,63cyclictest2180-21/usr/sbin/munin22:55:310
16826999615,62cyclictest2919-21memory00:31:430
16826999614,65cyclictest15938-21apt-get23:35:470
16826999612,63cyclictest23237-21/usr/sbin/munin23:56:250
16826999611,64cyclictest30624-21ssh00:17:090
16826999516,59cyclictest26770-21memory00:06:410
16826999516,59cyclictest10397-21/usr/sbin/munin21:45:240
16826999515,58cyclictest3975-21df_inode21:26:120
16826999512,47cyclictest15414-21ssh23:33:310
16826999510,27cyclictest19392-21ssh23:45:430
1682699949,46cyclictest22927-21cut19:56:030
16826999417,56cyclictest18110-21irqstats23:41:360
16826999415,62cyclictest26015-21apt-get22:30:470
16826999411,64cyclictest24713-21basename20:15:400
16826999411,60cyclictest31565-21ssh21:10:470
1682699939,23cyclictest5883-21ssh23:06:070
16826999336,17cyclictest27139-21grep20:36:100
16826999312,62cyclictest24515-21sendmail20:15:210
16826999311,59cyclictest20541-21aten_r5power_cu19:35:380
1682699919,60cyclictest27653-21cat20:45:240
16826999111,25cyclictest28595-21snmpd21:46:570
16826999110,25cyclictest18490-21wget19:15:380
1682699909,45cyclictest28218-21proc_pri20:46:160
16826999014,30cyclictest28614-21latency_hist20:55:200
16826998917,25cyclictest29021-21fw_conntrack20:55:560
16826998917,25cyclictest18348-21munin-run19:15:210
16826998910,28cyclictest21732-21df19:45:450
16826998818,23cyclictest29660-21munin-run21:05:240
16826998816,52cyclictest22451-21munin-run19:55:210
16826998812,26cyclictest23924-21/usr/sbin/munin20:06:030
16826998610,27cyclictest19402-21wc19:25:230
1682699839,25cyclictest28595-21snmpd20:03:480
16826998318,48cyclictest0-21swapper19:34:320
16826998213,22cyclictest28595-21snmpd20:34:060
16826998213,22cyclictest28595-21snmpd20:24:010
16826998211,23cyclictest21409-21modprobe19:40:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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