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2023-06-08 - 07:55

x86 AMD G-T48L @1400 MHz, Linux 4.4.4-rt11 (Profile)

Latency plot of system in rack #c, slot #3
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 highest latencies:
System rackcslot3.osadl.org (updated Thu Jun 08, 2023 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138850750irq/28-eth0-rx-22724-21kworker/1:219:07:281
81730rcu_preempt16731-21memory23:40:561
81720rcu_preempt13445-21/usr/sbin/munin23:30:300
81720rcu_preempt0-21swapper/021:00:570
81710rcu_preempt24899-21idleruntime20:00:551
81700rcu_preempt0-21swapper/023:45:520
81700rcu_preempt0-21swapper/022:25:550
81700rcu_preempt0-21swapper/019:30:470
81680rcu_preempt11636-21sendmail_mailtr19:05:570
81670rcu_preempt15739-21ntp_offset21:31:010
81670rcu_preempt0-21swapper/119:26:581
81670rcu_preempt0-21swapper/100:15:541
81670rcu_preempt0-21swapper/023:50:580
81660rcu_preempt0-21swapper/120:25:211
81650rcu_preempt2193-21snmpd23:38:121
81650rcu_preempt0-21swapper/119:40:491
81640rcu_preempt0-21swapper/123:15:551
81640rcu_preempt0-21swapper/123:10:541
81640rcu_preempt0-21swapper/121:50:481
81640rcu_preempt0-21swapper/020:20:560
81630rcu_preempt21564-21sh19:46:011
81630rcu_preempt0-21swapper/123:28:101
81630rcu_preempt0-21swapper/123:22:131
81630rcu_preempt0-21swapper/122:21:141
81630rcu_preempt0-21swapper/100:22:341
81630rcu_preempt0-21swapper/022:00:530
81630rcu_preempt0-21swapper/019:20:570
81620rcu_preempt0-21swapper/121:36:071
81620rcu_preempt0-21swapper/120:52:471
81620rcu_preempt0-21swapper/119:56:271
81620rcu_preempt0-21swapper/023:56:000
81620rcu_preempt0-21swapper/020:40:480
81620rcu_preempt0-21swapper/020:10:550
81610rcu_preempt31508-21memory20:25:581
81610rcu_preempt23079-21if_can122:00:531
81610rcu_preempt18801-21latency_hist21:45:300
81610rcu_preempt0-21swapper/123:02:371
81610rcu_preempt0-21swapper/120:16:431
81610rcu_preempt0-21swapper/020:00:560
81610rcu_preempt0-21swapper/000:23:060
81600rcu_preempt7507-21df21:00:501
81600rcu_preempt16020-21munin-run23:40:300
81600rcu_preempt0-21swapper/121:11:031
81600rcu_preempt0-21swapper/019:15:590
81600rcu_preempt0-21swapper/000:00:540
81590rcu_preempt6385-21grep23:00:540
81590rcu_preempt28805-21users00:26:041
81590rcu_preempt26916-21if_can122:15:560
81590rcu_preempt24584-21ntp_states00:11:021
81590rcu_preempt19039-21ntp_states19:36:001
81590rcu_preempt0-21swapper/123:05:491
81590rcu_preempt0-21swapper/100:05:541
81590rcu_preempt0-21swapper/022:06:060
81590rcu_preempt0-21swapper/020:57:380
81580rcu_preempt3533-21diskstats22:50:491
81580rcu_preempt32068-21idleruntime-cro20:30:300
81580rcu_preempt22557-21ssh21:57:231
81580rcu_preempt14469-21ntp_states21:26:031
81580rcu_preempt13122-21sshd19:10:591
81580rcu_preempt0-21swapper/123:50:581
81580rcu_preempt0-21swapper/122:32:371
81580rcu_preempt0-21swapper/121:17:401
81580rcu_preempt0-21swapper/120:56:001
81580rcu_preempt0-21swapper/022:45:510
81580rcu_preempt0-21swapper/022:32:590
81570rcu_preempt8861-21df_inode21:05:501
81570rcu_preempt27884-21ps20:10:561
81570rcu_preempt0-21swapper/123:46:431
81570rcu_preempt0-21swapper/121:23:571
81570rcu_preempt0-21swapper/120:06:141
81570rcu_preempt0-21swapper/119:52:521
81570rcu_preempt0-21swapper/119:20:241
81570rcu_preempt0-21swapper/100:02:271
81570rcu_preempt0-21swapper/020:35:540
81560rcu_preempt24300-21fw_forwarded_lo22:05:551
81560rcu_preempt2193-21snmpd20:37:331
81560rcu_preempt20961-21processes21:50:570
81560rcu_preempt17873-21fw_forwarded_lo21:40:501
81560rcu_preempt0-21swapper/120:48:331
81560rcu_preempt0-21swapper/020:05:540
81550rcu_preempt29782-21ntpq00:30:581
81550rcu_preempt0-21swapper/122:48:371
81550rcu_preempt0-21swapper/023:21:020
81540rcu_preempt433-21ssh22:36:581
81540rcu_preempt0-21swapper/021:56:080
81540rcu_preempt0-21swapper/019:25:550
81530rcu_preempt5562-21ntp_offset20:50:580
81530rcu_preempt4811-21diskstats22:55:531
81530rcu_preempt32669-21irqstats20:30:541
81530rcu_preempt14727-21munin-run23:35:300
81530rcu_preempt0-21swapper/021:35:570
138850530irq/28-eth0-rx-41ktimersoftd/021:24:130
81520rcu_preempt29862-21grep22:25:591
81520rcu_preempt0-21swapper/023:20:300
81520rcu_preempt0-21swapper/022:40:510
81520rcu_preempt0-21swapper/022:21:200
81520rcu_preempt0-21swapper/021:15:560
81520rcu_preempt0-21swapper/019:56:030
81520rcu_preempt0-21swapper/019:46:040
81520rcu_preempt0-21swapper/019:42:230
81520rcu_preempt0-21swapper/019:10:490
81520rcu_preempt0-21swapper/000:40:300
81520rcu_preempt0-21swapper/000:26:060
81520rcu_preempt0-21swapper/000:11:170
11907995248cyclictest945-21usb-storage19:36:010
81510rcu_preempt0-21swapper/023:43:040
81510rcu_preempt0-21swapper/020:46:000
81510rcu_preempt0-21swapper/020:16:450
81510rcu_preempt0-21swapper/000:31:010
81510rcu_preempt0-21swapper/000:18:160
81510rcu_preempt0-21swapper/000:09:280
138850510irq/28-eth0-rx-0-21swapper/123:31:481
11907995147cyclictest945-21usb-storage21:25:560
81500rcu_preempt0-21swapper/021:14:000
81500rcu_preempt0-21swapper/021:10:000
138850500irq/28-eth0-rx-0-21swapper/121:45:481
138850500irq/28-eth0-rx-0-21swapper/119:30:441
81490rcu_preempt0-21swapper/023:10:320
81480rcu_preempt0-21swapper/023:06:010
81470rcu_preempt0-21swapper/022:55:260
81470rcu_preempt0-21swapper/022:10:490
81470rcu_preempt0-21swapper/019:53:430
81460rcu_preempt0-21swapper/023:00:100
138950450irq/29-eth0-rx-22724-21kworker/1:200:37:521
138850450irq/28-eth0-rx-19-21ksoftirqd/119:22:581
81440rcu_preempt19613-21ntp_states21:46:010
139150430irq/31-eth0-tx-22724-21kworker/1:222:16:021
81420rcu_preempt32745-21latency20:30:550
138850420irq/28-eth0-rx-22724-21kworker/1:223:59:301
138850420irq/28-eth0-rx-0-21swapper/121:31:201
11908994240cyclictest945-21usb-storage22:40:471
139150380irq/31-eth0-tx-22724-21kworker/1:222:11:501
139150380irq/31-eth0-tx-22724-21kworker/1:220:44:001
81320rcu_preempt31906-21cpuspeed_turbos22:35:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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