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2026-04-02 - 20:21
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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 Apr 02, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31631224400,13sleep030735-1kworker/u3:107:04:080
323209910425,62cyclictest0-21swapper12:01:550
323209910318,45cyclictest32753-21df_inode11:29:100
323209910217,22cyclictest17293-21df_inode10:44:070
323209910117,43cyclictest14129-21ntp_states10:34:470
323209910117,23cyclictest2965-21ssh10:02:460
323209910116,63cyclictest29369-21fw_conntrack11:19:200
323209910115,48cyclictest19196-21memory10:49:340
323209910111,50cyclictest10398-21df_abs10:24:060
323209910019,60cyclictest31054-21df_inode11:24:140
323209910017,23cyclictest6634-21apt-get10:13:440
323209910017,23cyclictest19133-21df12:24:000
323209910017,21cyclictest30354-21munin-run09:48:180
323209910016,48cyclictest0-21swapper09:39:500
323209910016,44cyclictest24206-21fw_conntrack11:04:180
323209910015,46cyclictest2693-21munin-run07:38:190
323209910015,23cyclictest14048-21df_inode12:09:110
323209910013,26cyclictest8078-21ssh11:51:330
32320999929,59cyclictest0-21swapper10:30:220
32320999925,65cyclictest0-21swapper09:31:000
32320999918,60cyclictest12263-21df12:04:010
32320999917,22cyclictest25863-21memory09:34:400
32320999916,21cyclictest8621-21df10:18:580
32320999915,44cyclictest22830-21memory12:34:390
32320999912,49cyclictest16685-21ssh12:16:390
32320999910,48cyclictest16836-21sshd10:43:180
32320999817,61cyclictest30848-21fw_conntrack09:49:170
32320999817,44cyclictest25802-21df11:09:000
32320999815,63cyclictest3779-21ssh10:04:430
32320999812,23cyclictest21536-21ssh10:56:050
32320999810,66cyclictest3522-21cut11:38:500
32320999716,43cyclictest5485-21df_inode11:44:130
32320999714,22cyclictest5775-21/usr/sbin/munin08:08:210
32320999714,21cyclictest10716-21irqstats08:34:020
32320999713,23cyclictest8905-21df_inode11:54:110
32320999710,24cyclictest18817-21wc12:23:230
32320999616,60cyclictest20181-21apt-get09:18:450
32320999611,63cyclictest28381-21ssh11:15:580
32320999611,25cyclictest3034-21ssh11:37:060
32320999610,48cyclictest23806-21wc11:03:260
3232099959,24cyclictest5029-21aten_r5power_po10:08:510
32320999513,61cyclictest32747-21users07:13:370
32320999513,60cyclictest21012-21interrupts12:29:250
32320999511,65cyclictest1356-21ssh09:58:210
32320999510,64cyclictest22645-21ssh09:24:590
32320999413,61cyclictest11499-21df08:38:470
32320999410,22cyclictest19286-21timerwakeupswit09:15:020
32320999311,46cyclictest16253-21ntpq09:04:120
32320999114,20cyclictest2929-21/usr/sbin/munin07:44:130
32320999112,50cyclictest0-21swapper09:12:150
3232099909,58cyclictest6466-21fgrep08:09:200
32320999039,35cyclictest7246-21ntp_offset08:14:110
32320999021,27cyclictest9885-21memory08:29:100
32320999014,57cyclictest15696-21munin-run09:03:180
32320999012,59cyclictest13368-21fw_conntrack08:48:580
32320998915,35cyclictest7753-21tr08:18:400
32320998914,56cyclictest14316-21irqstats08:54:020
32320998913,26cyclictest1360-21/usr/sbin/munin07:24:120
32320998911,27cyclictest12373-21/usr/sbin/munin08:43:440
32320998839,32cyclictest8862-21df_inode08:23:550
32320998810,23cyclictest2833-21modprobe07:43:180
32320998733,38cyclictest4644-21timerwakeupswit07:54:180
32320998511,54cyclictest1690-21snmpd07:53:090
32320998415,46cyclictest32446-21munin-run07:13:200
32320998319,23cyclictest4888-21munin-run08:03:190
32320998213,25cyclictest754-21munin-run07:23:190
32320998111,23cyclictest1774-21modprobe07:33:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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