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2023-06-07 - 12:11

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 Wed Jun 07, 2023 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt0-21swapper/119:05:481
81750rcu_preempt7934-21munin-run19:55:291
81750rcu_preempt12297-21awk22:16:211
81740rcu_preempt4383-21ps21:46:001
81710rcu_preempt0-21swapper/123:01:041
81700rcu_preempt0-21swapper/022:30:480
81700rcu_preempt0-21swapper/019:25:530
81670rcu_preempt27812-21sed23:16:091
81660rcu_preempt0-21swapper/121:15:541
81660rcu_preempt0-21swapper/100:39:181
81650rcu_preempt20467-21vmstat20:41:041
81650rcu_preempt0-21swapper/123:46:021
81650rcu_preempt0-21swapper/119:23:351
81640rcu_preempt17757-21latency_hist22:40:301
81640rcu_preempt0-21swapper/120:45:321
81640rcu_preempt0-21swapper/120:17:331
81640rcu_preempt0-21swapper/100:31:031
81640rcu_preempt0-21swapper/020:25:570
81640rcu_preempt0-21swapper/019:55:450
138850640irq/28-eth0-rx-28293-21irqstats19:05:490
81630rcu_preempt0-21swapper/122:02:581
81630rcu_preempt0-21swapper/119:50:171
81630rcu_preempt0-21swapper/119:15:421
81630rcu_preempt0-21swapper/119:13:171
81630rcu_preempt0-21swapper/021:56:000
81620rcu_preempt17964-21sshd20:34:591
81620rcu_preempt1679-21ps23:41:021
81620rcu_preempt1679-21ps23:41:021
81620rcu_preempt0-21swapper/123:13:221
81620rcu_preempt0-21swapper/121:50:541
81620rcu_preempt0-21swapper/121:23:511
81620rcu_preempt0-21swapper/121:12:081
81620rcu_preempt0-21swapper/119:40:151
81620rcu_preempt0-21swapper/022:45:470
81620rcu_preempt0-21swapper/022:00:460
81620rcu_preempt0-21swapper/021:45:540
81620rcu_preempt0-21swapper/021:31:000
81610rcu_preempt20396-21cpuspeed22:50:471
81610rcu_preempt0-21swapper/123:20:481
28945996144cyclictest945-21usb-storage22:31:001
81600rcu_preempt782-21ssh21:33:171
81600rcu_preempt0-21swapper/123:58:261
81600rcu_preempt0-21swapper/122:56:011
81600rcu_preempt0-21swapper/121:05:541
81600rcu_preempt0-21swapper/000:21:070
81590rcu_preempt3057-21ntpq21:41:021
81590rcu_preempt11350-21ps20:05:591
81590rcu_preempt10645-21ps00:16:021
81590rcu_preempt0-21swapper/120:14:341
81590rcu_preempt0-21swapper/100:10:541
81590rcu_preempt0-21swapper/023:01:030
81590rcu_preempt0-21swapper/020:54:100
81580rcu_preempt4595-21munin-run23:55:290
81580rcu_preempt0-21swapper/123:08:031
81580rcu_preempt0-21swapper/119:33:201
81580rcu_preempt0-21swapper/019:10:580
81570rcu_preempt17031-21memory22:36:031
81570rcu_preempt0-21swapper/122:15:221
81570rcu_preempt0-21swapper/121:37:171
81570rcu_preempt0-21swapper/120:25:321
81570rcu_preempt0-21swapper/119:41:041
81570rcu_preempt0-21swapper/100:02:071
81570rcu_preempt0-21swapper/020:40:580
81570rcu_preempt0-21swapper/019:50:580
81560rcu_preempt9016-21fw_conntrack22:05:531
81560rcu_preempt9016-21fw_conntrack22:05:531
81560rcu_preempt7470-21df_abs00:05:501
81560rcu_preempt32090-21df23:35:501
81560rcu_preempt31939-21sshd21:26:591
81560rcu_preempt28971-21ps21:16:010
81560rcu_preempt15007-21ssh22:27:031
81560rcu_preempt0-21swapper/122:22:011
81560rcu_preempt0-21swapper/100:25:571
81560rcu_preempt0-21swapper/020:10:290
81560rcu_preempt0-21swapper/020:00:520
81550rcu_preempt3686-21df_inode23:50:481
81550rcu_preempt25779-21modprobe23:10:590
81550rcu_preempt14495-21df20:20:491
81550rcu_preempt0-21swapper/022:40:570
81550rcu_preempt0-21swapper/022:12:070
81540rcu_preempt6663-21sshd19:49:590
81540rcu_preempt12482-21munin-run22:20:290
81540rcu_preempt0-21swapper/020:35:500
89950530irq/17-ehci_hcd111rcuc/020:15:290
81530rcu_preempt0-21swapper/021:50:530
81530rcu_preempt0-21swapper/021:30:040
81530rcu_preempt0-21swapper/020:45:570
81530rcu_preempt0-21swapper/019:40:540
81530rcu_preempt0-21swapper/000:05:590
138850530irq/28-eth0-rx-41ktimersoftd/021:13:010
81520rcu_preempt31599-21python23:31:001
81520rcu_preempt2193-21snmpd23:07:490
81520rcu_preempt0-21swapper/023:41:170
81520rcu_preempt0-21swapper/023:41:170
81520rcu_preempt0-21swapper/023:39:340
81520rcu_preempt0-21swapper/022:55:590
81520rcu_preempt0-21swapper/022:36:020
81520rcu_preempt0-21swapper/022:05:300
81520rcu_preempt0-21swapper/022:05:300
81520rcu_preempt0-21swapper/020:32:120
81520rcu_preempt0-21swapper/019:23:300
81520rcu_preempt0-21swapper/000:36:460
28944995248cyclictest945-21usb-storage21:05:540
81510rcu_preempt5496-21ps23:55:580
81510rcu_preempt30508-21sshd23:28:070
81510rcu_preempt30025-21interrupts21:20:560
81510rcu_preempt0-21swapper/023:20:520
81510rcu_preempt0-21swapper/022:22:470
81510rcu_preempt0-21swapper/021:43:000
81510rcu_preempt0-21swapper/019:15:460
81510rcu_preempt0-21swapper/000:11:010
28945995147cyclictest945-21usb-storage20:35:441
81500rcu_preempt24651-21diskstats21:00:491
81500rcu_preempt10577-21ntpdc00:15:590
81500rcu_preempt0-21swapper/022:52:280
81500rcu_preempt0-21swapper/021:00:510
81500rcu_preempt0-21swapper/020:20:530
81500rcu_preempt0-21swapper/019:38:500
28945995047cyclictest945-21usb-storage23:25:451
81490rcu_preempt0-21swapper/021:37:590
81490rcu_preempt0-21swapper/020:07:110
81490rcu_preempt0-21swapper/000:00:310
28945994947cyclictest945-21usb-storage19:56:001
138850490irq/28-eth0-rx-19079-21kworker/1:120:50:291
138850490irq/28-eth0-rx-19079-21kworker/1:119:30:291
89950480irq/17-ehci_hcd945-21usb-storage20:01:541
81480rcu_preempt0-21swapper/023:16:560
81480rcu_preempt0-21swapper/020:56:470
28945994846cyclictest945-21usb-storage20:55:581
28945994845cyclictest945-21usb-storage21:56:051
28944994844cyclictest945-21usb-storage23:45:510
81470rcu_preempt0-21swapper/000:31:030
81460rcu_preempt0-21swapper/022:27:080
138850460irq/28-eth0-rx-19-21ksoftirqd/122:49:341
138850450irq/28-eth0-rx-0-21swapper/100:20:321
139050440irq/30-eth0-tx-13534-21users00:26:080
81430rcu_preempt2259-21irqstats19:30:560
28944994340cyclictest945-21usb-storage23:30:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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