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2023-12-06 - 06:26
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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 the highest latencies:
System rackcslot3.osadl.org (updated Wed Dec 06, 2023 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811000rcu_preempt11664-21diskmemload22:52:391
81770rcu_preempt0-21swapper/121:59:081
81760rcu_preempt19-21ksoftirqd/100:17:111
81750rcu_preempt0-21swapper/123:28:191
81740rcu_preempt11664-21diskmemload22:09:170
81730rcu_preempt19-21ksoftirqd/121:27:381
81720rcu_preempt5147-21df23:59:120
81720rcu_preempt2517-21processes20:39:220
81710rcu_preempt0-21swapper/021:59:080
81700rcu_preempt32192-21ssh21:54:111
81700rcu_preempt25555-21sh23:37:540
81700rcu_preempt12929-21diskstats19:14:121
81700rcu_preempt11664-21diskmemload22:33:470
81700rcu_preempt0-21swapper/122:19:191
81680rcu_preempt0-21swapper/019:39:200
81680rcu_preempt0-21swapper/000:47:080
81670rcu_preempt20445-21munin-run23:28:490
81670rcu_preempt0-21swapper/021:42:050
81670rcu_preempt0-21swapper/000:33:250
81660rcu_preempt8569-21ntp_kernel_err00:04:210
81660rcu_preempt18653-21latency_hist00:23:490
81650rcu_preempt9387-21latency_hist23:08:500
81650rcu_preempt2114-21snmpd19:15:430
81650rcu_preempt14890-21ssh21:24:070
81650rcu_preempt0-21swapper/021:20:130
81650rcu_preempt0-21swapper/020:01:360
81650rcu_preempt0-21swapper/000:36:040
81630rcu_preempt2587-21if_eth023:54:180
81630rcu_preempt0-21swapper/020:29:220
81630rcu_preempt0-21swapper/019:49:200
81620rcu_preempt29459-21df_inode21:49:110
81620rcu_preempt19-21ksoftirqd/123:03:391
81620rcu_preempt19-21ksoftirqd/100:39:321
81620rcu_preempt0-21swapper/023:22:500
81620rcu_preempt0-21swapper/023:01:050
81620rcu_preempt0-21swapper/022:52:040
13812996248cyclictest181ktimersoftd/123:54:141
81610rcu_preempt26086-21ssh23:39:090
81610rcu_preempt12402-21ssh23:14:100
81610rcu_preempt0-21swapper/020:07:360
81610rcu_preempt0-21swapper/000:26:430
81600rcu_preempt0-21swapper/023:04:460
81600rcu_preempt0-21swapper/022:44:160
81600rcu_preempt0-21swapper/022:16:190
89850590irq/17-ehci_hcd13612-21ssh23:14:551
81590rcu_preempt9941-21ssh00:07:451
81590rcu_preempt23128-21munin-run23:33:490
81590rcu_preempt0-21swapper/023:51:210
81590rcu_preempt0-21swapper/021:29:220
81590rcu_preempt0-21swapper/019:56:270
81580rcu_preempt31544-21ssh00:46:001
81580rcu_preempt26070-21ssh21:43:401
81580rcu_preempt23109-21ssh00:30:441
81580rcu_preempt14221-21ssh22:19:150
81580rcu_preempt12585-21ssh00:12:180
81580rcu_preempt0-21swapper/123:39:211
81580rcu_preempt0-21swapper/123:33:221
81580rcu_preempt0-21swapper/122:58:361
81580rcu_preempt0-21swapper/121:52:371
81580rcu_preempt0-21swapper/121:44:011
81580rcu_preempt0-21swapper/119:55:411
81580rcu_preempt0-21swapper/100:20:391
81580rcu_preempt0-21swapper/100:09:321
81580rcu_preempt0-21swapper/022:06:080
81580rcu_preempt0-21swapper/021:56:090
81580rcu_preempt0-21swapper/021:45:320
81580rcu_preempt0-21swapper/020:34:210
81580rcu_preempt0-21swapper/019:44:080
81580rcu_preempt0-21swapper/000:15:530
81570rcu_preempt27137-21ssh00:38:510
81570rcu_preempt20840-21ssh22:30:171
81570rcu_preempt19051-21ssh22:28:400
81570rcu_preempt17588-21latency_hist19:33:480
81570rcu_preempt0-21swapper/123:58:511
81570rcu_preempt0-21swapper/123:33:551
81570rcu_preempt0-21swapper/123:07:221
81570rcu_preempt0-21swapper/122:44:221
81570rcu_preempt0-21swapper/122:39:331
81570rcu_preempt0-21swapper/122:12:241
81570rcu_preempt0-21swapper/121:32:371
81570rcu_preempt0-21swapper/120:55:111
81570rcu_preempt0-21swapper/120:23:071
81570rcu_preempt0-21swapper/120:14:211
81570rcu_preempt0-21swapper/119:25:501
81570rcu_preempt0-21swapper/100:34:021
81570rcu_preempt0-21swapper/100:28:221
81570rcu_preempt0-21swapper/020:23:150
13812995743cyclictest945-21usb-storage19:35:261
81560rcu_preempt28892-21munin-run20:18:490
81560rcu_preempt27413-21ssh22:43:200
81560rcu_preempt23967-21ssh22:35:561
81560rcu_preempt0-21swapper/123:50:181
81560rcu_preempt0-21swapper/123:19:321
81560rcu_preempt0-21swapper/122:18:011
81560rcu_preempt0-21swapper/121:19:581
81560rcu_preempt0-21swapper/121:11:171
81560rcu_preempt0-21swapper/119:59:011
81560rcu_preempt0-21swapper/021:34:040
81560rcu_preempt0-21swapper/021:09:150
81550rcu_preempt24065-21ssh22:36:140
81550rcu_preempt0-21swapper/123:13:341
81550rcu_preempt0-21swapper/122:25:441
81550rcu_preempt0-21swapper/120:45:231
81550rcu_preempt0-21swapper/120:31:581
81550rcu_preempt0-21swapper/119:52:481
81550rcu_preempt0-21swapper/119:41:301
81550rcu_preempt0-21swapper/023:45:420
81550rcu_preempt0-21swapper/023:45:420
81550rcu_preempt0-21swapper/020:49:050
81550rcu_preempt0-21swapper/019:34:080
81550rcu_preempt0-21swapper/019:25:350
81540rcu_preempt0-21swapper/119:46:201
81540rcu_preempt0-21swapper/021:03:190
81540rcu_preempt0-21swapper/020:43:590
81530rcu_preempt20568-21ssh21:33:591
81530rcu_preempt0-21swapper/022:56:040
81520rcu_preempt0-21swapper/122:06:061
81520rcu_preempt0-21swapper/020:10:470
81510rcu_preempt30723-21ssh23:46:141
81510rcu_preempt30723-21ssh23:46:141
13812995047cyclictest945-21usb-storage21:01:291
13812995046cyclictest945-21usb-storage20:39:061
81490rcu_preempt10808-21fw_conntrack21:14:120
13812994946cyclictest945-21usb-storage20:09:091
13812994944cyclictest945-21usb-storage21:17:321
13812994642cyclictest945-21usb-storage19:19:231
145150440irq/28-eth0-rx-0-21swapper/120:37:131
145450430irq/30-eth0-tx-26632-21kworker/0:021:04:110
145150420irq/28-eth0-rx-0-21swapper/119:31:411
13812994239cyclictest945-21usb-storage20:26:011
145150410irq/28-eth0-rx-0-21swapper/120:06:431
81400rcu_preempt4530-21fw_conntrack20:49:121
145350400irq/29-eth0-rx-0-21swapper/020:54:170
145450380irq/30-eth0-tx-0-21swapper/019:19:190
89850370irq/17-ehci_hcd181ktimersoftd/121:04:251
89850310irq/17-ehci_hcd0-21swapper/020:25:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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