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2024-11-22 - 02:17
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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 Thu Nov 21, 2024 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81920rcu_preempt14729-21ssh12:24:171
81790rcu_preempt17449-1kworker/1:0H11:43:111
138250790irq/28-eth0-rx-2755-21/usr/sbin/munin07:11:260
81780rcu_preempt2136-21snmpd12:06:331
81760rcu_preempt0-21swapper/107:14:411
81750rcu_preempt9881-21munin-run10:26:141
81750rcu_preempt16358-21latency10:36:341
81740rcu_preempt8929-21munin-run07:36:141
81740rcu_preempt7685-21munin-run07:31:141
81740rcu_preempt1703-21diskmemload10:51:171
81740rcu_preempt15594-21munin-run10:36:151
81740rcu_preempt10461-21ssh11:21:351
81730rcu_preempt4127-21cpuspeed_turbos07:16:271
81730rcu_preempt0-21swapper/112:11:311
81720rcu_preempt6336-21ssh12:10:450
81720rcu_preempt4106-21apt-get10:16:251
81720rcu_preempt30237-21ssh11:00:580
81720rcu_preempt1983-21ntp_states10:11:361
81720rcu_preempt16990-21sh11:32:081
81720rcu_preempt15058-21sh09:39:511
81720rcu_preempt0-21swapper/112:36:521
81720rcu_preempt0-21swapper/111:54:171
81710rcu_preempt16471-21rt-features12:26:411
81700rcu_preempt1703-21diskmemload10:42:101
81700rcu_preempt0-21swapper/107:46:331
89950690irq/17-ehci_hcd0-21swapper/109:01:341
81690rcu_preempt26103-21sh11:47:540
81690rcu_preempt0-21swapper/109:55:411
81690rcu_preempt0-21swapper/108:31:391
81680rcu_preempt1703-21diskmemload12:40:570
81680rcu_preempt1703-21diskmemload11:11:560
81680rcu_preempt0-21swapper/110:07:591
81680rcu_preempt0-21swapper/109:50:291
81680rcu_preempt0-21swapper/109:11:511
81670rcu_preempt7513-21ssh09:25:191
81670rcu_preempt3091-21ssh10:13:500
81670rcu_preempt28844-21ssh10:57:031
81670rcu_preempt28685-21ssh11:52:040
81670rcu_preempt21420-21latency_hist11:41:151
81670rcu_preempt19601-21ssh12:31:561
81670rcu_preempt1703-21diskmemload12:01:070
81670rcu_preempt11784-21sh11:23:440
81670rcu_preempt0-21swapper/112:02:141
81660rcu_preempt3413-21ssh09:17:261
81660rcu_preempt27193-21/usr/sbin/munin11:51:151
81660rcu_preempt19-21ksoftirqd/109:56:321
81660rcu_preempt17633-21ssh09:43:341
81660rcu_preempt1703-21diskmemload11:38:540
81660rcu_preempt1703-21diskmemload11:06:200
81660rcu_preempt0-21swapper/112:19:111
81660rcu_preempt0-21swapper/110:27:191
81660rcu_preempt0-21swapper/110:02:051
81650rcu_preempt8356-21ssh11:17:311
81650rcu_preempt0-21swapper/111:15:251
81650rcu_preempt0-21swapper/108:36:281
81640rcu_preempt6420-21munin-run07:26:141
81640rcu_preempt3-21ksoftirqd/011:19:030
81640rcu_preempt27733-21who08:46:391
81640rcu_preempt12412-21ssh09:35:451
81640rcu_preempt0-21swapper/111:28:121
81640rcu_preempt0-21swapper/111:09:541
81640rcu_preempt0-21swapper/111:05:391
81640rcu_preempt0-21swapper/110:47:511
81640rcu_preempt0-21swapper/109:26:281
81640rcu_preempt0-21swapper/109:06:311
81630rcu_preempt2136-21snmpd11:58:241
81630rcu_preempt13279-21if_wlan007:51:321
81630rcu_preempt0-21swapper/108:07:541
81630rcu_preempt0-21swapper/107:56:311
81620rcu_preempt0-21swapper/108:16:351
81620rcu_preempt0-21swapper/108:13:541
81620rcu_preempt0-21swapper/009:06:350
81610rcu_preempt24294-21ssh12:41:271
81610rcu_preempt0-21swapper/108:21:371
81600rcu_preempt1703-21diskmemload10:44:430
81590rcu_preempt9542-21irqstats07:36:331
81580rcu_preempt0-21swapper/108:52:041
81580rcu_preempt0-21swapper/108:27:281
81570rcu_preempt0-21swapper/108:03:541
81570rcu_preempt0-21swapper/107:44:481
81570rcu_preempt0-21swapper/011:31:330
81570rcu_preempt0-21swapper/010:31:410
89950560irq/17-ehci_hcd945-21usb-storage10:01:470
81560rcu_preempt9064-21apt-get07:36:260
81560rcu_preempt0-21swapper/012:23:030
138250560irq/28-eth0-rx-41ktimersoftd/009:57:010
81550rcu_preempt0-21swapper/010:24:190
81540rcu_preempt0-21swapper/012:21:030
81530rcu_preempt22483-21ssh09:51:360
81530rcu_preempt0-21swapper/010:28:380
138250530irq/28-eth0-rx-41ktimersoftd/009:28:210
81520rcu_preempt30040-21grep08:56:391
3912995248cyclictest945-21usb-storage12:27:280
3912995248cyclictest945-21usb-storage10:06:270
138250520irq/28-eth0-rx-41ktimersoftd/012:33:290
89950510irq/17-ehci_hcd945-21usb-storage08:56:370
89550510irq/17-ehci_hcd0-21swapper/009:24:590
81510rcu_preempt18996-21df09:46:270
81510rcu_preempt18410-21ssh10:40:470
81510rcu_preempt0-21swapper/007:16:340
3912995147cyclictest945-21usb-storage12:41:260
81500rcu_preempt2077-21ntpd08:41:351
81500rcu_preempt14440-21ssh11:27:560
3912995047cyclictest945-21usb-storage10:55:590
3912995047cyclictest945-21usb-storage08:16:340
81490rcu_preempt0-21swapper/009:20:050
3912994946cyclictest945-21usb-storage09:41:530
138250490irq/28-eth0-rx-41ktimersoftd/010:18:560
3912994841cyclictest945-21usb-storage11:41:330
81470rcu_preempt0-21swapper/008:14:020
89550450irq/17-ehci_hcd32728-1kworker/0:0H12:05:310
3912994541cyclictest945-21usb-storage11:05:510
89950440irq/17-ehci_hcd945-21usb-storage07:34:000
3912994441cyclictest945-21usb-storage09:33:000
81430rcu_preempt0-21swapper/008:48:320
81430rcu_preempt0-21swapper/007:53:380
3912994239cyclictest945-21usb-storage10:49:320
81410rcu_preempt23603-21ntp_states08:31:350
81400rcu_preempt25863-21irqstats08:41:350
81390rcu_preempt6825-21fw_conntrack07:26:290
81390rcu_preempt0-21swapper/008:40:490
138550390irq/31-eth0-tx-20358-21/usr/sbin/munin08:21:390
3912993835cyclictest945-21usb-storage09:38:220
1599370migration/05349-21cpuspeed07:21:250
89950360irq/17-ehci_hcd0-21swapper/012:14:480
3912993633cyclictest945-21usb-storage09:11:320
81350rcu_preempt22352-21ntp_states08:26:400
138250350irq/28-eth0-rx-17794-21sed08:11:150
89550340irq/17-ehci_hcd31678-21cut09:06:140
1599330migration/010307-21latency_hist07:41:140
1599310migration/028175-21/usr/sbin/munin08:51:300
1599310migration/014353-21/usr/sbin/munin07:56:300
138450300irq/30-eth0-tx-0-21swapper/007:46:390
138450280irq/30-eth0-tx-30633-21kworker/0:108:01:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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