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2025-06-28 - 23:31
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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 Sat Jun 28, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6620224002208,141sleep00-21swapper05:46:160
68639910425,69cyclictest0-21swapper10:37:110
68639910312,26cyclictest16169-21ls06:34:120
68639910220,22cyclictest14910-21irqstats10:29:260
68639910215,55cyclictest0-21swapper08:47:230
68639910213,27cyclictest3843-21grep08:09:550
68639910210,25cyclictest10750-21zcat06:04:110
68639910118,47cyclictest26726-21df_inode09:24:020
68639910114,65cyclictest20339-21ssh10:44:540
68639910113,25cyclictest17862-21/usr/sbin/munin08:54:440
68639910111,71cyclictest11189-21ls08:33:480
68639910033,20cyclictest5394-21grep08:14:520
68639910027,52cyclictest23612-21processes10:54:500
68639910015,45cyclictest6643-21/usr/sbin/munin08:19:270
68639910015,21cyclictest8566-21fw_conntrack10:09:100
68639910014,67cyclictest32581-21fw_conntrack07:59:090
68639910011,27cyclictest21995-21ssh09:08:500
6863999917,44cyclictest13158-21fw_conntrack06:18:490
6863999917,22cyclictest12529-21apt-get08:38:340
6863999916,44cyclictest23791-21memory09:14:270
6863999915,64cyclictest25000-21fw_conntrack10:59:090
6863999913,65cyclictest2798-21ssh09:50:150
6863999913,44cyclictest28869-21users09:29:590
6863999912,67cyclictest30024-21df_abs11:13:590
6863999912,27cyclictest20477-21/usr/sbin/munin09:03:530
6863999814,48cyclictest14147-21ssh10:26:420
6863999813,63cyclictest29140-21ssh11:10:540
6863999813,45cyclictest5927-21ssh09:59:590
6863999813,44cyclictest4784-21ssh09:57:470
6863999812,66cyclictest11870-21sort06:13:110
6863999730,51cyclictest0-21swapper07:56:110
6863999719,53cyclictest18162-21df_inode10:39:050
6863999717,61cyclictest7108-21memory10:04:200
6863999717,59cyclictest9744-21fw_conntrack08:29:220
6863999716,57cyclictest24894-21ssh09:18:170
6863999714,24cyclictest27083-21head07:34:170
6863999633,45cyclictest0-21swapper10:48:380
6863999621,60cyclictest0-21swapper09:36:260
6863999617,59cyclictest28938-21users07:44:220
6863999616,21cyclictest12309-21users10:19:560
6863999611,64cyclictest30495-21latency_hist07:53:080
6863999610,25cyclictest27506-21ssh11:06:130
686399959,25cyclictest21976-21tr07:08:350
686399959,23cyclictest24831-21df07:23:430
6863999527,50cyclictest0-21swapper09:00:390
6863999519,38cyclictest31998-21users09:39:580
6863999512,61cyclictest23952-21df_inode07:18:540
6863999512,22cyclictest8289-21memory08:24:300
6863999510,50cyclictest655-21ssh09:44:230
6863999414,41cyclictest2260-21users08:04:570
6863999412,42cyclictest15936-21df_abs08:48:570
6863999315,21cyclictest19961-21munin-run06:58:090
6863999314,43cyclictest10202-21irqstats10:14:180
6863999211,62cyclictest22272-21snmpd07:14:220
6863999210,22cyclictest18252-21/usr/sbin/munin06:49:130
6863999020,22cyclictest7899-21munin-node05:53:150
6863999013,27cyclictest14655-21/usr/sbin/munin06:28:250
6863999012,58cyclictest20072-21/usr/sbin/munin06:58:570
6863999011,56cyclictest8963-21switchtime05:54:320
686399898,63cyclictest26280-21sort07:33:100
6863998915,38cyclictest21181-21df07:03:420
6863998817,22cyclictest16470-21apt-get06:38:250
6863998816,24cyclictest17365-21/usr/sbin/munin06:43:380
6863998718,23cyclictest9609-21irqstats05:58:560
6863998715,24cyclictest12012-21wget06:13:340
6863998712,56cyclictest22272-21snmpd06:24:080
6863998616,23cyclictest22272-21snmpd07:39:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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