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2023-03-20 - 20:31

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 376 highest latencies:
System rack7slot8 (updated Mon Mar 20, 2023 13:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284642894155,405sleep027555-21kworker/0:007:06:170
28974991719,102cyclictest30501-21apt-get09:18:130
289749916126,117cyclictest5654-21nginx10:47:420
28974991608,133cyclictest15897-21http10:30:030
28974991607,95cyclictest15885-21apt-get10:32:070
289749916037,106cyclictest10250irq/56-4a10000010:44:570
28974991598,93cyclictest16781-21apt-get08:32:100
289749915917,101cyclictest5654-21nginx10:20:270
28974991588,129cyclictest5654-21nginx12:16:080
28974991576,94cyclictest24927-21apt-get11:07:090
289749915632,106cyclictest10250irq/56-4a10000009:54:180
289749915522,117cyclictest19563-21chrt08:37:070
289749915521,113cyclictest793-21haveged12:25:030
28974991538,87cyclictest8969-21apt-get08:02:070
28974991537,125cyclictest1-21systemd10:18:290
289749915343,100cyclictest11061-21runrttasks08:05:440
289749915315,117cyclictest5654-21nginx09:20:230
28974991529,108cyclictest14809-21ntp_states08:20:420
289749915250,89cyclictest6892-21sshd12:00:260
28974991519,98cyclictest3232-21irqstats11:45:360
28974991518,106cyclictest25759-21ntp_states09:00:490
28974991516,105cyclictest4355-21seq11:50:210
28974991515,109cyclictest21626-21memory10:50:390
28974991509,83cyclictest31850-21fw_forwarded_lo11:30:330
28974991508,103cyclictest28561-21ntp_states09:10:440
28974991506,104cyclictest30556-21cat07:15:290
289749915044,96cyclictest1818-21df_inode07:30:200
289749915037,100cyclictest802-21dbus-daemon09:45:000
289749915023,111cyclictest27452-21snmpd12:30:340
289749915018,96cyclictest5455-21wget11:55:130
289749915013,117cyclictest15727-21ntpq12:35:370
28974991498,121cyclictest20677-21runrttasks08:40:530
289749914929,109cyclictest3102-21fw_forwarded_lo07:35:260
289749914923,106cyclictest27452-21snmpd11:10:090
289749914839,98cyclictest12829-21runrttasks08:13:210
289749914752,86cyclictest9655-21cron10:05:010
289749914737,98cyclictest1427-21ntpq09:30:410
289749914733,101cyclictest23172-21runrttasks08:50:420
289749914726,105cyclictest27452-21snmpd07:58:340
289749914720,106cyclictest27452-21snmpd11:40:150
28974991467,97cyclictest6789-21df07:50:170
28974991467,118cyclictest21865-21fw_packets08:45:310
289749914639,94cyclictest27955-21aten_r7power_vo11:15:180
289749914629,105cyclictest766-21systemd-journal11:22:270
289749914627,107cyclictest24199-21sshd11:00:450
289749914622,113cyclictest785-21ntp_states11:35:480
28974991458,117cyclictest793-21haveged07:15:040
289749914554,82cyclictest613-21iwlist07:25:300
289749914547,87cyclictest9855-21sshd10:05:180
28974991449,121cyclictest805-21connmand12:13:360
28974991447,118cyclictest23128-21swap10:55:500
28974991447,100cyclictest8014-21wget12:05:170
28974991445,117cyclictest814-21rs:main0
289749914443,90cyclictest11578-21runrttasks10:10:560
289749914438,95cyclictest7674-21runrttasks09:55:420
289749914427,106cyclictest26474-21apt-get09:06:350
289749914346,86cyclictest24324-21sshd08:55:270
289749914336,95cyclictest766-21systemd-journal07:45:010
28974991428,96cyclictest12978-21wget12:25:160
289749914241,89cyclictest3419-21cron09:40:010
289749914232,98cyclictest32476-21sshd09:25:260
28974991419,94cyclictest5773-21ntp_states07:45:480
28974991418,94cyclictest30775-21ntp_states11:25:520
289749914148,82cyclictest5206-21sh09:45:480
28974991409,96cyclictest13917-21apt-get08:17:020
28974991397,111cyclictest1317-21runrttasks07:20:250
289749913837,89cyclictest17831-21/usr/sbin/munin10:35:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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