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2022-12-04 - 02:08

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 376 highest latencies:
System rackcslot3.osadl.org (updated Sat Dec 03, 2022 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81850rcu_preempt15421-21ssh09:15:400
81710rcu_preempt0-21swapper/007:05:250
81700rcu_preempt0-21swapper/009:27:320
81690rcu_preempt0-21swapper/011:40:060
81680rcu_preempt0-21swapper/008:40:270
81670rcu_preempt2796-21munin-run11:10:060
81650rcu_preempt0-21swapper/111:13:571
81650rcu_preempt0-21swapper/109:14:371
81650rcu_preempt0-21swapper/011:04:220
81650rcu_preempt0-21swapper/010:34:030
89850640irq/17-ehci_hcd30468-21munin-run12:10:061
81640rcu_preempt0-21swapper/112:25:251
81640rcu_preempt0-21swapper/108:15:251
81640rcu_preempt0-21swapper/107:05:251
81640rcu_preempt0-21swapper/009:12:500
81630rcu_preempt0-21swapper/111:02:321
81630rcu_preempt0-21swapper/110:15:571
81630rcu_preempt0-21swapper/107:24:251
81630rcu_preempt0-21swapper/011:50:560
81630rcu_preempt0-21swapper/011:34:010
81630rcu_preempt0-21swapper/010:56:080
81620rcu_preempt5897-21if_err_eth008:45:270
81620rcu_preempt19540-1kworker/1:0H10:28:471
81620rcu_preempt0-21swapper/110:02:401
81620rcu_preempt0-21swapper/109:29:521
81620rcu_preempt0-21swapper/108:31:491
89050610irq/17-ehci_hcd945-21usb-storage09:31:161
81610rcu_preempt0-21swapper/112:34:021
81610rcu_preempt0-21swapper/111:35:011
81610rcu_preempt0-21swapper/110:42:551
81610rcu_preempt0-21swapper/109:50:201
81610rcu_preempt0-21swapper/012:31:210
81610rcu_preempt0-21swapper/010:16:330
81610rcu_preempt0-21swapper/009:55:300
81610rcu_preempt0-21swapper/007:50:280
81610rcu_preempt0-21swapper/007:20:290
81600rcu_preempt4461-21ssh12:22:151
81600rcu_preempt32352-21ssh12:13:031
81600rcu_preempt0-21swapper/111:43:341
81600rcu_preempt0-21swapper/110:05:321
81600rcu_preempt0-21swapper/107:40:241
81600rcu_preempt0-21swapper/012:35:240
81600rcu_preempt0-21swapper/012:04:200
81600rcu_preempt0-21swapper/010:03:530
81600rcu_preempt0-21swapper/009:45:320
81590rcu_preempt9260-21ssh11:23:201
81590rcu_preempt27854-21ssh12:03:551
81590rcu_preempt18029-21ssh09:21:461
81590rcu_preempt0-21swapper/110:32:401
81590rcu_preempt0-21swapper/109:56:221
81590rcu_preempt0-21swapper/108:00:261
81590rcu_preempt0-21swapper/009:36:410
81590rcu_preempt0-21swapper/007:45:290
89850580irq/17-ehci_hcd945-21usb-storage12:14:460
89850580irq/17-ehci_hcd9375-21ssh10:14:080
81580rcu_preempt9573-21ssh11:24:510
81580rcu_preempt9000-21ssh10:12:201
81580rcu_preempt30168-21awk08:15:050
81580rcu_preempt29686-21ssh09:46:471
81580rcu_preempt28626-21fw_forwarded_lo10:55:251
81580rcu_preempt23413-21ssh11:54:181
81580rcu_preempt23333-21munin-run09:35:060
81580rcu_preempt0-21swapper/112:38:271
81580rcu_preempt0-21swapper/111:45:321
81580rcu_preempt0-21swapper/110:23:331
81580rcu_preempt0-21swapper/109:18:081
81580rcu_preempt0-21swapper/009:21:190
81570rcu_preempt29519-21ssh12:05:530
81570rcu_preempt27803-21ssh10:53:221
81570rcu_preempt25321-21ssh11:57:261
81570rcu_preempt2438-21ssh12:18:410
81570rcu_preempt1950-21ssh12:16:221
81570rcu_preempt18662-21python07:25:321
81570rcu_preempt0-21swapper/111:38:231
81570rcu_preempt0-21swapper/111:26:091
81570rcu_preempt0-21swapper/111:15:271
81570rcu_preempt0-21swapper/111:06:581
81570rcu_preempt0-21swapper/110:47:351
81570rcu_preempt0-21swapper/110:35:301
81570rcu_preempt0-21swapper/109:05:301
81570rcu_preempt0-21swapper/108:20:341
81570rcu_preempt0-21swapper/108:10:261
81570rcu_preempt0-21swapper/011:27:400
81570rcu_preempt0-21swapper/010:20:260
81570rcu_preempt0-21swapper/008:15:330
81560rcu_preempt4423-21ssh11:11:590
81560rcu_preempt28031-21ssh09:44:490
81560rcu_preempt25240-21ssh09:38:111
81560rcu_preempt19573-21ls07:30:300
81560rcu_preempt0-21swapper/109:40:111
81560rcu_preempt0-21swapper/109:03:411
81560rcu_preempt0-21swapper/108:55:351
81560rcu_preempt0-21swapper/107:51:041
81560rcu_preempt0-21swapper/011:59:090
81560rcu_preempt0-21swapper/011:40:250
81560rcu_preempt0-21swapper/008:35:210
81560rcu_preempt0-21swapper/008:20:340
81550rcu_preempt0-21swapper/108:50:261
81550rcu_preempt0-21swapper/012:20:160
81550rcu_preempt0-21swapper/010:28:110
81550rcu_preempt0-21swapper/008:27:360
81550rcu_preempt0-21swapper/008:27:360
81550rcu_preempt0-21swapper/007:55:250
81540rcu_preempt6942-21ssh12:28:150
81540rcu_preempt31971-21ssh09:52:070
81540rcu_preempt25736-21if_wlan007:55:241
81540rcu_preempt25023-21ssh10:46:180
81540rcu_preempt20517-21ssh11:46:430
81540rcu_preempt0-21swapper/107:34:101
81540rcu_preempt0-21swapper/010:42:450
81540rcu_preempt0-21swapper/010:05:250
81540rcu_preempt0-21swapper/009:00:010
81540rcu_preempt0-21swapper/007:41:570
147750540irq/30-eth0-tx-41ktimersoftd/010:52:450
89850530irq/17-ehci_hcd0-21swapper/108:39:191
81530rcu_preempt0-21swapper/011:15:130
81530rcu_preempt0-21swapper/010:39:450
81530rcu_preempt0-21swapper/008:31:350
81530rcu_preempt0-21swapper/007:15:310
81520rcu_preempt15462-21diskstats07:15:211
81520rcu_preempt0-21swapper/009:09:210
81520rcu_preempt0-21swapper/008:04:250
81510rcu_preempt0-21swapper/108:08:281
81500rcu_preempt4544-21fw_conntrack08:40:221
81500rcu_preempt0-21swapper/008:53:440
81490rcu_preempt962-21memory08:25:271
81490rcu_preempt962-21memory08:25:271
13840994946cyclictest945-21usb-storage07:38:581
13840994845cyclictest945-21usb-storage07:47:011
81470rcu_preempt28275-21irqstats08:05:250
81470rcu_preempt10031-21ntp_states09:00:330
81430rcu_preempt20384-21df07:35:200
13840994341cyclictest945-21usb-storage07:14:011
13840994239cyclictest945-21usb-storage08:45:251
13833994013cyclictest0-21swapper/007:30:020
81390rcu_preempt14677-21ntp_states07:10:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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