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2022-06-26 - 13:56

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 alll highest latencies:
System rackcslot3.osadl.org (updated Sun Jun 26, 2022 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt15875-21latency19:59:251
81740rcu_preempt0-21swapper/119:11:551
81720rcu_preempt20398-21/usr/sbin/munin23:49:280
81720rcu_preempt0-21swapper/023:34:260
81720rcu_preempt0-21swapper/000:12:300
81710rcu_preempt26089-21ntp_kernel_err20:39:271
81710rcu_preempt22533-21diskstats23:54:200
81710rcu_preempt14937-21netstat23:39:261
81710rcu_preempt14937-21netstat23:39:261
81710rcu_preempt0-21swapper/120:34:231
81710rcu_preempt0-21swapper/023:40:210
81710rcu_preempt0-21swapper/023:40:210
81710rcu_preempt0-21swapper/021:29:320
81710rcu_preempt0-21swapper/021:15:590
81710rcu_preempt0-21swapper/020:29:060
148450710irq/28-eth0-rx-41ktimersoftd/023:48:200
81700rcu_preempt410-21ssh23:12:270
81700rcu_preempt27951-21munin-run23:04:071
81700rcu_preempt17228-21ssh21:41:030
81700rcu_preempt0-21swapper/121:14:061
81700rcu_preempt0-21swapper/021:47:040
81690rcu_preempt29030-21sh00:05:270
81690rcu_preempt0-21swapper/123:05:431
81690rcu_preempt0-21swapper/100:12:591
81680rcu_preempt5586-21ntp_states21:19:290
81680rcu_preempt29627-21strings22:04:271
81680rcu_preempt17926-21sendmail_mailqu23:44:381
81680rcu_preempt12535-21df22:34:190
81680rcu_preempt0-21swapper/121:19:261
81680rcu_preempt0-21swapper/120:29:281
81680rcu_preempt0-21swapper/119:54:161
81670rcu_preempt7346-21ssh00:26:580
81670rcu_preempt0-21swapper/021:58:190
81660rcu_preempt4731-21sh00:22:181
81660rcu_preempt25089-21df_abs23:59:201
81660rcu_preempt0-21swapper/123:18:111
81660rcu_preempt0-21swapper/122:45:281
81660rcu_preempt0-21swapper/022:08:310
81660rcu_preempt0-21swapper/019:09:260
81650rcu_preempt6920-21ssh00:25:291
81650rcu_preempt27283-21ssh23:01:510
81650rcu_preempt24759-21ssh22:56:590
81650rcu_preempt0-21swapper/100:16:141
81640rcu_preempt9231-21tr23:29:190
81640rcu_preempt6971-21munin-run22:24:060
81640rcu_preempt3-21ksoftirqd/021:52:150
81640rcu_preempt0-21swapper/022:09:320
81640rcu_preempt0-21swapper/000:39:060
81630rcu_preempt11759-21sh22:32:310
81630rcu_preempt0-21swapper/122:21:451
81630rcu_preempt0-21swapper/122:16:441
81630rcu_preempt0-21swapper/121:54:031
81630rcu_preempt0-21swapper/121:44:191
81630rcu_preempt0-21swapper/100:31:521
81630rcu_preempt0-21swapper/019:14:300
81630rcu_preempt0-21swapper/000:34:010
81620rcu_preempt9580-21munin-run22:29:060
81620rcu_preempt8474-21netstat19:29:261
81620rcu_preempt25150-21ssh22:58:251
81620rcu_preempt21989-21ssh22:51:351
81620rcu_preempt21707-21sh22:50:350
81620rcu_preempt0-21swapper/123:58:131
81620rcu_preempt0-21swapper/023:22:510
81610rcu_preempt8878-21ssh22:26:481
81610rcu_preempt8239-21ssh23:26:520
81610rcu_preempt2996-21ssh23:16:590
81610rcu_preempt1677-21diskmemload22:33:511
81610rcu_preempt16245-21ssh22:39:531
81610rcu_preempt0-21swapper/123:29:251
81610rcu_preempt0-21swapper/121:09:231
81610rcu_preempt0-21swapper/119:49:301
81600rcu_preempt15446-21munin-run21:39:061
81600rcu_preempt13487-21strings19:49:270
81600rcu_preempt1017-21ssh22:12:081
81600rcu_preempt0-21swapper/123:49:281
81600rcu_preempt0-21swapper/022:39:440
81600rcu_preempt0-21swapper/022:15:110
81590rcu_preempt8422-21grep21:24:441
81590rcu_preempt29816-21ssh00:08:091
81590rcu_preempt1695-21sshd00:16:270
81590rcu_preempt12593-21ssh23:34:311
81590rcu_preempt0-21swapper/121:39:521
81590rcu_preempt0-21swapper/121:34:051
81590rcu_preempt0-21swapper/120:44:261
81590rcu_preempt0-21swapper/100:35:441
81590rcu_preempt0-21swapper/000:44:060
81590rcu_preempt0-21swapper/000:20:400
81580rcu_preempt8866-21ssh21:24:500
81580rcu_preempt31642-21ntp_states23:09:281
81580rcu_preempt0-21swapper/121:57:371
81580rcu_preempt0-21swapper/120:19:291
81580rcu_preempt0-21swapper/120:04:291
81580rcu_preempt0-21swapper/100:42:481
81580rcu_preempt0-21swapper/023:04:220
81580rcu_preempt0-21swapper/022:03:250
81570rcu_preempt350-21cron21:09:060
81570rcu_preempt29887-21ntpdc20:54:271
81570rcu_preempt28157-21ssh22:01:561
81570rcu_preempt11138-21ps19:39:290
81570rcu_preempt0-21swapper/123:24:391
81570rcu_preempt0-21swapper/122:37:201
81570rcu_preempt0-21swapper/121:03:261
81570rcu_preempt0-21swapper/120:53:231
81570rcu_preempt0-21swapper/119:41:311
81570rcu_preempt0-21swapper/119:21:311
81560rcu_preempt5329-21ssh23:21:091
81560rcu_preempt31555-21munin-run21:04:060
81560rcu_preempt18998-21ssh22:45:310
81560rcu_preempt0-21swapper/119:37:231
81560rcu_preempt0-21swapper/119:37:231
81560rcu_preempt0-21swapper/119:25:311
81550rcu_preempt26274-21ssh00:00:200
81550rcu_preempt14477-21ssh21:36:010
81550rcu_preempt0-21swapper/119:14:591
81550rcu_preempt0-21swapper/021:09:190
81550rcu_preempt0-21swapper/020:39:240
81540rcu_preempt21098-21ntp_states20:19:290
81540rcu_preempt0-21swapper/120:27:471
81540rcu_preempt0-21swapper/120:13:391
81530rcu_preempt14332-21df_inode19:54:210
81520rcu_preempt16861-21diskstats20:04:210
81520rcu_preempt12307-21ntp_states19:44:271
81520rcu_preempt0-21swapper/020:49:220
81520rcu_preempt0-21swapper/020:36:390
81510rcu_preempt6810-21diskstats19:24:200
81510rcu_preempt18007-21df20:09:200
81510rcu_preempt11727-21df19:44:190
81500rcu_preempt26917-21diskstats20:44:240
81500rcu_preempt21884-21df_inode20:24:210
81500rcu_preempt0-21swapper/019:19:320
81480rcu_preempt29444-21fw_forwarded_lo20:54:220
81470rcu_preempt19257-21df20:14:190
81460rcu_preempt15822-21irqstats19:59:250
3909994238cyclictest945-21usb-storage19:34:250
3909994238cyclictest945-21usb-storage19:34:250
81410rcu_preempt8082-21fw_forwarded_lo19:29:220
3910994136cyclictest945-21usb-storage20:15:471
3910993833cyclictest945-21usb-storage21:05:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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