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2026-03-20 - 11:15
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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 highest latencies:
System rack4slot2.osadl.org (updated Fri Mar 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502000,0irq/46-4a10000017515-21runrttasks19:03:060
179759912945,0cyclictest3479-21/usr/sbin/munin21:31:460
179759912633,0cyclictest25913-21seq22:36:580
179759912631,0cyclictest3478-21cpuspeed19:56:480
179759912431,0cyclictest19388-21ntp_states20:42:190
179759912427,0cyclictest23820-21/usr/sbin/munin00:07:320
179759912331,0cyclictest28528-21chrt19:34:250
179759912331,0cyclictest21930-21runrttasks20:51:260
179759912234,0cyclictest22861-21/usr/sbin/munin20:52:400
179759912232,0cyclictest25970-21fw_forwarded_lo19:27:020
179759912231,0cyclictest7067-21fschecks_count20:06:580
179759912229,0cyclictest18510-21runrttasks20:41:160
179759912210,0cyclictest25985-21/usr/sbin/munin21:02:040
179759912210,0cyclictest2301-21/usr/sbin/munin21:27:210
179759912144,0cyclictest19900-21munin-node19:11:420
179759912133,0cyclictest25618-21aten_r4power_vo00:11:440
179759912128,0cyclictest22578-21fw_forwarded_lo00:02:030
179759912123,0cyclictest12744-21/usr/sbin/munin20:22:300
179759912111,0cyclictest23798-21date22:31:350
179759912041,0cyclictest13585-21aten_r4power_cu23:36:400
179759912040,0cyclictest5306-21df_abs20:01:500
179759912038,0cyclictest0-21swapper22:44:430
179759912033,0cyclictest11721-21munin-run21:56:340
179759912031,0cyclictest21498-21seq22:22:380
179759912030,0cyclictest17273-21df_inode23:46:530
179759912028,0cyclictest16704-21chrt23:45:260
179759912028,0cyclictest1001-21runrttasks22:57:400
179759911931,0cyclictest9761-21seq21:49:400
179759911931,0cyclictest29544-21meminfo19:37:110
179759911931,0cyclictest28195-21sed21:07:300
179759911931,0cyclictest23692-21munin-run22:31:320
179759911930,0cyclictest3615-21diskstats23:06:550
179759911930,0cyclictest11004-21runrttasks20:17:380
179759911912,0cyclictest13760-21df20:26:490
179759911911,0cyclictest18200-21egrep19:06:440
179759911848,0cyclictest12-21ksoftirqd/021:37:080
179759911830,0cyclictest7122-21/usr/sbin/munin23:16:570
179759911830,0cyclictest31573-21switchtime21:17:270
179759911829,0cyclictest322-21fw_conntrack19:47:000
179759911829,0cyclictest31869-21seq22:53:460
179759911828,0cyclictest23839-21basename19:21:420
179759911827,0cyclictest31706-21uptime19:42:290
179759911827,0cyclictest24002-21seq20:56:440
179759911827,0cyclictest12526-21/usr/sbin/munin21:57:230
179759911811,0cyclictest21144-21open_files23:57:240
179759911738,0cyclictest0-21swapper22:07:370
179759911736,0cyclictest29076-21aten_r4power_vo00:21:440
179759911736,0cyclictest0-21swapper21:44:180
179759911736,0cyclictest0-21swapper00:26:480
179759911735,0cyclictest28527-21runrttasks00:19:060
179759911730,0cyclictest930-21grep00:32:310
179759911727,0cyclictest22494-21grep19:16:580
179759911726,0cyclictest16337-21/usr/sbin/munin20:32:400
179759911710,0cyclictest30467-21seq21:16:190
179759911634,0cyclictest9279-21mailstats23:22:240
179759911632,0cyclictest2205-21/usr/sbin/munin23:02:100
179759911631,0cyclictest12027-21cstates23:31:460
179759911630,0cyclictest14069-21if_eth022:02:070
179759911627,0cyclictest20093-21runrttasks23:55:160
179759911627,0cyclictest11603-21runrttasks23:30:410
179759911613,0cyclictest8530-21wget20:11:450
179759911612,0cyclictest19607-21/usr/sbin/munin22:17:270
179759911536,0cyclictest16923-21ls22:11:350
179759911528,0cyclictest30584-21ls22:51:350
179759911522,0cyclictest5394-21grep23:11:570
179759911510,0cyclictest2110-21irqstats19:52:070
179759911312,0cyclictest32432-21aten_r4power_po21:21:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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