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2023-06-03 - 06:04

ARM TI OMAP3359 @1000 MHz, Linux 4.19.94-rt39 (Profile)

Latency plot of system in rack #7, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 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 rack7slot8 (updated Fri Jun 02, 2023 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20859212070,13sleep020858-21/usr/sbin/munin07:05:380
215129913651,30cyclictest32227-21ntp_states12:05:430
215129913345,33cyclictest31046-21ps12:00:450
215129913162,53cyclictest13582chrt12:11:350
215129913160,49cyclictest29002-21systemctl09:45:580
215129912880,37cyclictest21759-21cut09:20:010
215129912765,43cyclictest5654-21nginx07:48:550
215129912757,33cyclictest25161-21apt-get11:41:280
215129912756,48cyclictest27452-21snmpd12:32:080
215129912753,35cyclictest802-21dbus-daemon12:22:170
215129912657,22cyclictest16643-21ntp_states11:05:450
215129912565,20cyclictest9129-21sshd10:35:420
215129912561,48cyclictest10250irq/56-4a10000011:10:150
215129912552,34cyclictest4425-21memory08:10:410
215129912551,54cyclictest10353-21sshd10:40:410
215129912550,57cyclictest23028-21df07:15:240
215129912455,51cyclictest6236-21http12:30:040
215129912453,51cyclictest26723-21apt09:40:010
215129912381,34cyclictest31588-21grep07:50:170
215129912264,39cyclictest27452-21snmpd11:15:290
215129912261,46cyclictest27452-21snmpd09:20:460
215129912255,48cyclictest32710-21chrt10:00:300
215129912253,34cyclictest27255-21ntp_states11:45:430
215129912250,20cyclictest568-21fw_forwarded_lo07:55:320
215129912248,35cyclictest7567-21wget10:30:200
215129912194,16cyclictest0-21swapper/007:10:040
215129912177,34cyclictest799-21avahi-daemon08:40:040
215129912159,21cyclictest8462-21runrttasks12:35:470
215129912155,46cyclictest27294-21wget09:40:210
215129912151,49cyclictest24552-21runrttasks07:20:540
215129912150,36cyclictest24783-21awk09:30:490
215129912072,37cyclictest15458-21grep11:00:450
215129912049,55cyclictest24002-21apt-key11:35:180
215129911959,42cyclictest11306-21wget10:45:200
215129911954,23cyclictest8177-21memory08:25:410
215129911877,28cyclictest3292-21ntp_states08:06:000
215129911869,38cyclictest12943-21/usr/sbin/munin10:50:470
215129911855,19cyclictest25744-21ntp_states07:25:480
215129911854,46cyclictest19444-21wget09:10:210
215129911851,46cyclictest27452-21snmpd07:30:400
215129911848,34cyclictest27452-21snmpd11:31:230
215129911847,35cyclictest2946-21ntp_states10:10:470
215129911846,35cyclictest27452-21snmpd11:26:230
215129911775,33cyclictest17207-21runrttasks09:00:400
215129911775,32cyclictest29748-21ntp_states11:55:460
215129911743,38cyclictest14276-21latency_hist08:50:020
215129911670,35cyclictest31596-21runrttasks09:55:420
215129911668,36cyclictest30222-21df09:50:360
215129911650,31cyclictest15674-21wget08:55:200
215129911650,22cyclictest6945-21memory08:20:440
215129911567,36cyclictest2209-21/usr/sbin/munin12:15:360
215129911566,38cyclictest1317-21runrttasks11:50:160
215129911556,20cyclictest6540-21fw_packets10:25:360
215129911537,40cyclictest27452-21snmpd08:30:290
215129911369,33cyclictest14811-21ntp_states08:50:510
215129911368,33cyclictest18331-21df09:05:240
215129911365,37cyclictest28018-21df07:35:270
215129911350,29cyclictest4917-21munin-run10:20:020
215129911346,32cyclictest27452-21snmpd08:00:180
215129911243,51cyclictest11913-21runrttasks08:40:110
215129911150,46cyclictest5303-21/usr/sbin/munin10:20:360
215129911145,46cyclictest13952-21diskstats10:55:240
215129911065,33cyclictest5646-21irqstats08:15:370
215129910953,43cyclictest2075-21node07:43:540
215129910865,32cyclictest20366-21ntp_offset11:20:370
215129910768,28cyclictest23518-21ntp_states09:25:440
215129910669,19cyclictest1289-21/usr/sbin/munin10:05:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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