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2023-06-09 - 14:26

x86 Intel Pentium @133 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #3, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l25000000 -m -n -a0 -t1 -p99 -i800 -h1000 -q
Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5.osadl.org (updated Fri Jun 09, 2023 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
677503080,0irq/11-sym53c8x1151-21jbd2/sda1-807:04:590
1484299302156,0cyclictest16260-21df07:15:250
1484299301183,0cyclictest28376-21nfs_client08:11:010
1484299278163,0cyclictest264-21kswapd011:35:350
1484299278155,0cyclictest22744-21apt-get12:35:260
1484299276154,0cyclictest21795-21grep07:41:090
1484299274165,0cyclictest11185-21sendmail09:19:590
1484299273170,0cyclictest1151-21jbd2/sda1-812:20:060
1484299272154,0cyclictest30571-21awk08:20:560
1484299272154,0cyclictest14139-21cut11:56:150
1484299272130,0cyclictest0-21swapper07:11:440
1484299271154,0cyclictest7211-21cut09:01:030
1484299270156,0cyclictest9627-21timerandwakeup09:11:200
1484299270150,0cyclictest25024-21expr10:20:500
1484299270142,0cyclictest20628-21kernelversion07:36:050
1484299269137,0cyclictest2270-21syslogd09:55:020
1484299268154,0cyclictest8208-21df_inode09:05:520
1484299268149,0cyclictest5891-21aten_r3power_vo08:55:450
1484299268134,0cyclictest15044-21cpu12:00:480
1484299267148,0cyclictest2842-21grep08:41:150
1484299266149,0cyclictest19013-21which07:30:120
1484299266148,0cyclictest21699-21df12:30:430
1484299266144,0cyclictest31348-21munin-node08:26:150
1484299266132,0cyclictest21882-21nfs_client10:06:070
1484299265189,0cyclictest17867-21grep07:25:010
1484299265151,0cyclictest1630-21switchtime11:00:550
1484299265150,0cyclictest25798-21tr08:00:150
1484299265146,0cyclictest2764-21cut11:05:540
148429926499,0cyclictest0-21swapper11:52:030
1484299264148,0cyclictest11455-21awk09:20:450
1484299263148,0cyclictest24644-21idleruntime-cro10:19:560
1484299263135,0cyclictest29123-21sendmail10:39:570
1484299262154,0cyclictest10646-21awk11:40:540
1484299262147,0cyclictest4931-21cat08:51:080
1484299262147,0cyclictest22997-21cut10:11:080
1484299262145,0cyclictest14020-21nfs_client09:31:060
1484299262143,0cyclictest7213-21df_inode11:25:480
1484299262143,0cyclictest24845-21aten_r3power_vo07:55:460
1484299261150,0cyclictest16482-21sed12:06:340
1484299261145,0cyclictest4040-21expr11:11:100
1484299260149,0cyclictest32709-21basename10:55:260
1484299260147,0cyclictest2421-21sendmail-mta08:45:530
1484299259145,0cyclictest11957-21tail11:46:120
1484299259142,0cyclictest24014-21chrt07:51:090
1484299259134,0cyclictest201450irq/15-NE200008:15:420
1484299258149,0cyclictest14685-21aten_r3power_cu09:35:180
1484299258146,0cyclictest20787-21cut10:01:080
1484299258145,0cyclictest8525-21nfs_client11:31:040
1484299258143,0cyclictest18104-21latency_hist12:15:010
1484299258142,0cyclictest5765-21latency_hist11:20:040
1484299258140,0cyclictest16570-21ls09:41:230
1484299256181,0cyclictest30993-21ls10:46:170
1484299256160,0cyclictest13058-21wc09:26:150
1484299256141,0cyclictest27196-21df10:30:430
1484299255143,0cyclictest17222-21swap12:10:440
1484299255142,0cyclictest32544-21ls10:55:000
1484299254138,0cyclictest18432-21nfs_client09:51:060
1484299253140,0cyclictest26037-21df10:25:400
1484299252135,0cyclictest22839-21nfs_client07:46:040
1484299252134,0cyclictest29523-21df_inode10:40:500
1484299250156,0cyclictest1144-21basename08:35:150
1484299250136,0cyclictest5158-21nfs_client11:16:060
1484299250133,0cyclictest475-21nfs_client08:31:100
1484299248156,0cyclictest67750irq/11-sym53c8x07:21:200
1484299248140,0cyclictest2353-21snmpd08:09:360
1484299247170,0cyclictest17191-21awk09:45:480
1484299246136,0cyclictest20535-21df12:25:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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