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2023-09-26 - 21:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 all highest latencies:
System rackcslot3.osadl.org (updated Tue Sep 26, 2023 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt0-21swapper/007:07:510
81760rcu_preempt31474-21munin-run09:12:200
81740rcu_preempt15688-21sh09:42:211
81740rcu_preempt0-21swapper/110:15:341
81730rcu_preempt31473-21diskmemload10:07:450
81730rcu_preempt10027-21apt-get12:32:411
81730rcu_preempt0-21swapper/109:19:241
81720rcu_preempt8526-21sendmail_mailqu10:27:541
81720rcu_preempt0-21swapper/112:22:451
81720rcu_preempt0-21swapper/112:08:211
81720rcu_preempt0-21swapper/111:10:491
81720rcu_preempt0-21swapper/111:10:491
81720rcu_preempt0-21swapper/107:08:011
81710rcu_preempt8587-21sh12:28:150
81710rcu_preempt0-21swapper/012:38:550
81710rcu_preempt0-21swapper/011:45:260
81700rcu_preempt27820-21ssh12:04:000
81700rcu_preempt19865-21sendmail_mailtr08:22:541
81700rcu_preempt0-21swapper/112:17:401
81700rcu_preempt0-21swapper/111:17:211
81700rcu_preempt0-21swapper/011:30:450
81700rcu_preempt0-21swapper/009:13:520
81690rcu_preempt19-21ksoftirqd/109:36:211
81690rcu_preempt0-21swapper/109:51:201
81690rcu_preempt0-21swapper/011:22:510
81680rcu_preempt0-21swapper/111:47:071
81680rcu_preempt0-21swapper/111:25:081
81680rcu_preempt0-21swapper/012:19:400
81670rcu_preempt0-21swapper/109:27:441
81670rcu_preempt0-21swapper/012:22:590
81660rcu_preempt29835-21ntp_states11:07:540
81660rcu_preempt29835-21ntp_states11:07:540
81660rcu_preempt0-21swapper/010:00:250
81650rcu_preempt12099-21ssh12:36:090
81650rcu_preempt0-21swapper/110:32:301
81650rcu_preempt0-21swapper/011:37:340
81650rcu_preempt0-21swapper/010:23:490
81650rcu_preempt0-21swapper/009:53:290
81650rcu_preempt0-21swapper/009:31:480
81640rcu_preempt14353-21ssh10:38:270
81640rcu_preempt0-21swapper/012:14:320
81640rcu_preempt0-21swapper/012:08:540
81640rcu_preempt0-21swapper/009:34:270
145550640irq/31-eth0-tx-41ktimersoftd/010:14:110
81630rcu_preempt0-21swapper/008:02:400
81630rcu_preempt0-21swapper/008:02:400
81620rcu_preempt15920-21ssh09:42:381
81620rcu_preempt0-21swapper/009:48:160
81620rcu_preempt0-21swapper/009:20:020
81620rcu_preempt0-21swapper/008:57:510
81620rcu_preempt0-21swapper/008:32:460
81610rcu_preempt5669-21ls09:22:470
81610rcu_preempt0-21swapper/011:53:230
81610rcu_preempt0-21swapper/010:21:320
81610rcu_preempt0-21swapper/008:37:530
81610rcu_preempt0-21swapper/007:27:470
81600rcu_preempt2114-21snmpd11:12:390
81600rcu_preempt19104-21ntp_offset10:47:540
81590rcu_preempt0-21swapper/011:58:530
81580rcu_preempt0-21swapper/008:52:200
81560rcu_preempt17858-21ssh10:46:270
81560rcu_preempt0-21swapper/010:58:210
81560rcu_preempt0-21swapper/007:22:400
145450560irq/30-eth0-tx-0-21swapper/010:33:570
81550rcu_preempt0-21swapper/010:52:410
81540rcu_preempt30339-21python10:07:571
81540rcu_preempt2114-21snmpd07:32:500
81540rcu_preempt0-21swapper/010:02:490
81540rcu_preempt0-21swapper/009:44:300
81540rcu_preempt0-21swapper/009:41:300
145150540irq/28-eth0-rx-41ktimersoftd/011:32:350
89850530irq/17-ehci_hcd945-21usb-storage10:17:381
89850530irq/17-ehci_hcd945-21usb-storage08:57:441
81530rcu_preempt9996-21ssh10:32:030
81530rcu_preempt0-21swapper/011:49:480
81530rcu_preempt0-21swapper/011:17:530
81530rcu_preempt0-21swapper/011:02:560
81530rcu_preempt0-21swapper/008:07:520
81530rcu_preempt0-21swapper/008:01:270
81520rcu_preempt0-21swapper/007:15:290
1207995248cyclictest945-21usb-storage12:30:111
1207995248cyclictest945-21usb-storage12:03:271
81510rcu_preempt0-21swapper/008:42:400
81510rcu_preempt0-21swapper/007:54:070
81510rcu_preempt0-21swapper/007:42:520
1207995148cyclictest945-21usb-storage12:41:091
1207995148cyclictest945-21usb-storage11:53:441
1207995148cyclictest945-21usb-storage11:49:541
1207995148cyclictest945-21usb-storage11:38:571
1207995148cyclictest945-21usb-storage11:33:311
1207995148cyclictest945-21usb-storage11:21:361
1207995148cyclictest945-21usb-storage10:23:001
1207995148cyclictest945-21usb-storage10:06:141
1207995148cyclictest945-21usb-storage09:25:291
1207995148cyclictest945-21usb-storage08:30:481
1207995148cyclictest945-21usb-storage07:17:411
1207995048cyclictest945-21usb-storage11:05:401
1207995048cyclictest945-21usb-storage10:58:401
1207995048cyclictest945-21usb-storage10:00:061
1207995047cyclictest945-21usb-storage08:48:591
1207995047cyclictest945-21usb-storage08:42:571
1207995047cyclictest945-21usb-storage07:52:401
1207995047cyclictest945-21usb-storage07:32:421
81490rcu_preempt0-21swapper/009:04:080
81490rcu_preempt0-21swapper/007:37:570
1207994947cyclictest945-21usb-storage11:29:051
1207994947cyclictest945-21usb-storage09:16:591
1207994946cyclictest945-21usb-storage08:16:441
1207994946cyclictest945-21usb-storage08:01:301
1207994946cyclictest181ktimersoftd/109:55:281
81480rcu_preempt0-21swapper/008:14:130
81480rcu_preempt0-21swapper/007:48:020
1207994844cyclictest945-21usb-storage07:29:251
89850470irq/17-ehci_hcd945-21usb-storage08:07:391
81470rcu_preempt30203-21cron09:07:201
81470rcu_preempt19-21ksoftirqd/110:37:391
1207994744cyclictest945-21usb-storage08:20:461
81460rcu_preempt0-21swapper/008:50:580
145150460irq/28-eth0-rx-0-21swapper/108:37:521
81440rcu_preempt3860-21latency_hist07:22:200
81440rcu_preempt25569-21ssh12:00:331
81420rcu_preempt18639-21python08:17:550
145150410irq/28-eth0-rx-0-21swapper/110:50:251
89850390irq/17-ehci_hcd945-21usb-storage08:24:590
89850390irq/17-ehci_hcd0-21swapper/112:16:221
89050390irq/17-ehci_hcd30349-21apt-get09:07:401
1207993936cyclictest181ktimersoftd/108:32:441
89850380irq/17-ehci_hcd0-21swapper/008:27:580
1207993735cyclictest945-21usb-storage07:46:351
89850360irq/17-ehci_hcd0-21swapper/108:02:521
89850360irq/17-ehci_hcd0-21swapper/108:02:521
81360rcu_preempt19-21ksoftirqd/110:52:491
1207993633cyclictest181ktimersoftd/110:42:491
145550340irq/31-eth0-tx-0-21swapper/107:47:201
1207993432cyclictest181ktimersoftd/107:22:411
89850330irq/17-ehci_hcd945-21usb-storage07:14:261
89850320irq/17-ehci_hcd0-21swapper/107:37:391
1207993129cyclictest811-21scsi_eh_008:52:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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