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2026-03-11 - 15:22
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Wed Mar 11, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a10000028430-21runrttasks07:02:540
289509910673,0cyclictest0-21swapper07:32:020
289509910165,0cyclictest0-21swapper10:31:510
289509910082,0cyclictest9472-21/usr/sbin/munin12:27:140
28950999979,0cyclictest15019-21/usr/sbin/munin07:57:410
28950999978,0cyclictest1296-21modprobe08:52:380
28950999974,0cyclictest0-21swapper08:42:000
28950999878,0cyclictest28461-21irqstats10:12:260
28950999872,0cyclictest20077-21grep11:22:380
28950999780,0cyclictest28673-21/usr/sbin/munin11:47:420
28950999779,0cyclictest23033-21df08:22:060
28950999778,0cyclictest21338-21/usr/sbin/munin08:17:090
28950999776,0cyclictest32444-21/usr/sbin/munin10:22:480
28950999774,0cyclictest31906-21irqstats11:57:280
28950999679,0cyclictest24832-21diskstats08:27:120
28950999679,0cyclictest11335-21fw_forwarded_lo07:47:380
28950999678,0cyclictest460-21snmpd11:42:420
28950999678,0cyclictest1746-1kworker/u3:212:07:560
28950999675,0cyclictest7331-21munin-run10:46:510
28950999674,0cyclictest31961-21meminfo08:47:320
28950999674,0cyclictest10943-21chrt10:57:010
28950999578,0cyclictest8062-21memory07:37:360
28950999577,0cyclictest26687-21fw_conntrack08:32:230
28950999576,0cyclictest27955-21/usr/sbin/munin08:37:540
28950999575,0cyclictest6369-21memory12:17:360
28950999571,0cyclictest460-21snmpd11:27:330
28950999569,0cyclictest9517-21fschecks_count07:42:150
28950999569,0cyclictest1205-21ls12:02:280
28950999477,0cyclictest6086-21/usr/sbin/munin09:07:160
28950999476,0cyclictest7850-21grep12:22:180
28950999476,0cyclictest5101-21/usr/sbin/munin09:02:520
28950999476,0cyclictest30734-21users10:17:470
28950999475,0cyclictest18011-21df_inode09:42:150
28950999474,0cyclictest17919-21df11:17:070
28950999474,0cyclictest12827-21df_abs07:52:110
28950999470,0cyclictest13974-1kworker/u3:111:06:470
28950999470,0cyclictest12255-21chrt12:35:250
28950999377,0cyclictest30124-21users07:07:500
28950999377,0cyclictest16908-21switchtime09:37:470
28950999376,0cyclictest2335-21/usr/sbin/munin07:22:030
28950999376,0cyclictest11187-21diskstats09:22:160
28950999375,0cyclictest8504-21users09:12:530
28950999375,0cyclictest4764-21/usr/sbin/munin12:12:410
28950999375,0cyclictest23096-21sed11:32:090
28950999375,0cyclictest19592-21df08:12:070
28950999374,0cyclictest30719-21users11:52:500
28950999374,0cyclictest2532-21df10:32:070
28950999372,0cyclictest5392-21runrttasks10:40:050
28950999372,0cyclictest10670-21runrttasks09:21:220
28950999368,0cyclictest1237-21memory07:17:360
28950999367,0cyclictest9620-21fw_forwarded_lo10:52:290
28950999276,0cyclictest8512-21users10:47:500
28950999275,0cyclictest26358-21egrep10:07:060
28950999275,0cyclictest24543-21cut10:02:000
28950999275,0cyclictest20005-21memory09:47:330
28950999275,0cyclictest14982-21ntp_states11:07:420
28950999275,0cyclictest13213-21missed_timers09:27:360
28950999274,0cyclictest2330-21/usr/sbin/munin08:57:260
28950999273,0cyclictest25248-21ntp_states11:37:410
28950999273,0cyclictest14573-21df_inode09:32:100
28950999175,0cyclictest17793-21wget08:07:040
28950999173,0cyclictest31007-21munin-node07:12:080
28950999173,0cyclictest21168-21aten_r4power_po09:52:010
28950999172,0cyclictest23356-21kernelversion09:57:270
28950999167,0cyclictest15998-21aten_r4power_cu11:12:030
28950999075,0cyclictest16562-21latency08:02:290
28950999073,0cyclictest4493-21/usr/sbin/munin07:27:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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