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2026-03-29 - 17:19
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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 Sun Mar 29, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31214224352189,97sleep00-21swapper07:06:460
314409910940,37cyclictest2355-21df_abs11:24:180
314409910820,65cyclictest12331-21/usr/sbin/munin11:55:240
314409910434,54cyclictest24287-21df_inode09:19:250
314409910416,46cyclictest5611-21df_inode09:59:240
314409910313,25cyclictest29257-21/usr/sbin/munin09:34:070
314409910312,29cyclictest20688-21grep10:43:360
314409910220,21cyclictest26001-21df_inode09:24:220
314409910219,23cyclictest24892-21memory12:29:520
314409910213,27cyclictest6442-21ssh11:35:250
314409910115,62cyclictest27712-21df_inode09:29:190
314409910115,46cyclictest15830-21df10:29:100
314409910115,24cyclictest29650-21df_inode11:09:200
314409910115,24cyclictest17744-21ssh10:34:440
314409910110,26cyclictest4781-21ssh09:56:480
314409910016,47cyclictest32313-21ssh09:43:010
314409910016,44cyclictest11058-21irqstats11:49:390
314409910016,22cyclictest641-21df_inode11:19:190
314409910014,48cyclictest23596-21/usr/sbin/munin12:25:210
314409910013,48cyclictest8911-21/usr/sbin/munin11:44:380
31440999918,23cyclictest22524-21munin-run12:23:290
31440999915,46cyclictest10789-21fw_conntrack10:14:300
31440999914,48cyclictest27633-21ssh12:38:260
31440999911,26cyclictest23041-21ntpq10:49:560
31440999911,26cyclictest18078-21/usr/sbin/munin12:09:560
3144099989,28cyclictest9676-21ssh10:10:280
31440999815,64cyclictest31964-21users11:15:180
31440999812,66cyclictest22540-21df_inode09:14:250
31440999728,58cyclictest0-21swapper09:50:300
31440999716,23cyclictest32440-21sort07:13:350
31440999715,23cyclictest12411-21df10:19:130
31440999713,26cyclictest4837-21ssh11:30:570
31440999631,43cyclictest27022-21ssh11:01:140
31440999617,59cyclictest21005-21df10:44:160
31440999617,58cyclictest14432-21fw_conntrack11:59:260
31440999617,33cyclictest21909-21ssh09:12:470
31440999615,59cyclictest27958-21df_inode11:04:250
31440999614,61cyclictest7255-21df10:04:130
31440999531,46cyclictest0-21swapper07:29:350
31440999529,49cyclictest0-21swapper10:26:130
31440999516,39cyclictest20802-21munin-run12:18:300
31440999512,23cyclictest25598-21sh10:57:470
31440999416,19cyclictest15777-21apt-get12:03:560
31440999415,58cyclictest7410-21cpuspeed11:39:070
31440999414,60cyclictest348-21df09:44:130
31440999410,63cyclictest2251-21grep07:24:330
31440999310,60cyclictest1508-21sort07:23:330
3144099929,26cyclictest12410-21aten_r5power_po08:23:540
31440999220,50cyclictest10401-21sshd08:12:030
31440999215,22cyclictest0-21swapper07:34:320
31440999214,59cyclictest11469-21wget08:18:520
31440999120,50cyclictest17632-21munin-run08:53:300
31440999115,40cyclictest14335-21df08:34:020
31440999113,39cyclictest8733-21apt-get08:03:500
31440999112,57cyclictest7545-21cat07:54:310
31440999027,20cyclictest20343-21munin-run09:08:310
31440999017,22cyclictest17996-21df_inode08:54:020
31440999015,55cyclictest493-21munin-run07:18:290
31440999012,57cyclictest13879-21ls08:29:360
3144099899,60cyclictest15985-21basename08:43:500
31440998923,20cyclictest15311-21df_inode08:39:060
31440998917,26cyclictest5610-21ntp_states07:44:260
3144099888,42cyclictest6638-21sort07:49:290
31440998817,22cyclictest4443-21df07:38:580
31440998812,59cyclictest18638-21/usr/sbin/munin08:59:070
31440998715,24cyclictest10792-21df_inode08:14:070
31440998711,28cyclictest8296-21ntpq07:59:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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