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2026-07-16 - 01:55
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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 all highest latencies:
System rack4slot2.osadl.org (updated Thu Jul 16, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745011160,0irq/46-4a1000004150-1kworker/u3:219:06:240
4679999278,0cyclictest20391-21/usr/sbin/munin19:54:410
4679999072,0cyclictest319-21/usr/sbin/munin20:29:480
4679998972,0cyclictest18888-21/usr/sbin/munin22:59:520
4679998970,0cyclictest13348-21fschecks_time19:34:190
4679998869,0cyclictest26822-21df_abs21:49:080
4679998860,0cyclictest0-21swapper22:09:140
4679998767,0cyclictest21359-21latency_hist23:08:500
4679998767,0cyclictest1395-21fschecks_time20:34:180
4679998673,0cyclictest10111-21/usr/sbin/munin22:34:310
4679998669,0cyclictest27246-21runrttasks23:24:350
4679998663,0cyclictest10143-21memory19:24:330
4679998652,0cyclictest13410-21/usr/sbin/munin00:19:290
4679998567,0cyclictest4319-21latency_hist20:43:520
4679998566,0cyclictest29746-21runrttasks23:32:570
4679998563,0cyclictest18269-21df19:49:070
4679998562,0cyclictest10937-21runrttasks21:02:370
4679998561,0cyclictest9394-21awk22:33:500
4679998468,0cyclictest17542-21runrttasks00:30:510
4679998448,0cyclictest14832-21df21:14:030
4679998444,0cyclictest6623-21irqstats20:49:280
4679998369,0cyclictest11857-21/usr/sbin/munin00:14:330
4679998366,0cyclictest29963-21latency_hist23:33:530
4679998363,0cyclictest12372-21runrttasks22:40:230
4679998362,0cyclictest4777-21tune2fs22:19:180
4679998361,0cyclictest22905-21chrt21:37:480
4679998360,0cyclictest29903-21sendmail-msp21:59:050
4679998360,0cyclictest18043-21runrttasks00:33:550
4679998358,0cyclictest0-21swapper23:41:210
4679998349,0cyclictest26677-21wget20:14:020
4679998347,0cyclictest7995-21wc00:04:050
4679998265,0cyclictest2828-21cpu22:14:040
4679998262,0cyclictest25388-21/usr/sbin/munin20:09:230
4679998262,0cyclictest14647-21munin-node00:23:580
4679998261,0cyclictest6375-21sed22:24:080
4679998260,0cyclictest24295-21runrttasks23:15:150
4679998259,0cyclictest16987-21memory19:44:400
4679998252,0cyclictest3123-21fw_packets23:49:230
4679998246,0cyclictest28850-21runrttasks20:19:310
4679998246,0cyclictest18764-21chrt21:24:380
4679998160,0cyclictest0-21swapper19:21:070
4679998159,0cyclictest2496-21chrt23:48:340
4679998159,0cyclictest20003-21df_abs21:29:080
4679998159,0cyclictest16953-21sshd22:54:330
4679998159,0cyclictest11832-21meminfo21:04:330
4679998159,0cyclictest0-21swapper21:09:490
4679998158,0cyclictest8554-21/usr/sbin/munin20:54:400
4679998065,0cyclictest7350irq/45-4a10000019:59:140
4679998063,0cyclictest11494-21sed19:29:080
4679998059,0cyclictest6168-21runrttasks19:12:200
4679998059,0cyclictest14629-21cat19:38:580
4679998058,0cyclictest6732-21meminfo23:59:450
4679998057,0cyclictest32319-21memory22:04:300
4679998057,0cyclictest16356-21/usr/sbin/munin21:20:050
4679998056,0cyclictest23404-21/usr/sbin/munin20:04:070
4679998053,0cyclictest0-21swapper19:16:250
4679997962,0cyclictest25237-21chrt21:44:140
4679997957,0cyclictest30717-21ntpq20:24:370
4679997957,0cyclictest25422-21irqstats23:19:300
4679997957,0cyclictest13118-21cstates22:44:040
4679997954,0cyclictest0-21swapper00:13:280
4679997860,0cyclictest5066-21ntpq20:44:370
4679997854,0cyclictest21785-21grep23:09:140
4679997844,0cyclictest5035-21seq23:54:330
4679997756,0cyclictest28895-21meminfo21:54:310
4679997753,0cyclictest14936-21diskstats22:49:130
4679997752,0cyclictest23354-21/usr/sbin/munin21:39:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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