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2024-11-23 - 17:06
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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 792 highest latencies:
System rackcslot3.osadl.org (updated Sat Nov 23, 2024 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81940rcu_preempt19-21ksoftirqd/109:24:361
81810rcu_preempt0-21swapper/111:46:311
81760rcu_preempt4589-21ssh10:57:161
81750rcu_preempt10172-21irqstats07:11:451
81730rcu_preempt15321-21ssh09:26:410
81710rcu_preempt0-21swapper/012:36:570
81710rcu_preempt0-21swapper/009:06:270
81700rcu_preempt0-21swapper/012:03:390
81700rcu_preempt0-21swapper/011:41:340
81700rcu_preempt0-21swapper/011:40:150
81700rcu_preempt0-21swapper/009:58:180
81690rcu_preempt18275-21sh12:18:390
81690rcu_preempt0-21swapper/010:51:500
81690rcu_preempt0-21swapper/010:38:320
81690rcu_preempt0-21swapper/010:08:300
81680rcu_preempt0-21swapper/011:55:410
81660rcu_preempt2520-21apt-get08:51:360
81660rcu_preempt23773-21/usr/sbin/munin10:36:270
81660rcu_preempt0-21swapper/011:50:310
81650rcu_preempt4343-21memory08:56:481
81650rcu_preempt4343-21memory08:56:481
81650rcu_preempt30229-21ssh10:46:440
81650rcu_preempt23403-21ssh11:31:091
81650rcu_preempt20985-21ls10:31:270
81650rcu_preempt18379-21ssh12:18:571
81650rcu_preempt12419-21if_eth109:21:450
81650rcu_preempt0-21swapper/112:13:111
81650rcu_preempt0-21swapper/112:10:531
81650rcu_preempt0-21swapper/111:15:521
81650rcu_preempt0-21swapper/110:55:151
81650rcu_preempt0-21swapper/110:46:481
81650rcu_preempt0-21swapper/110:30:411
81650rcu_preempt0-21swapper/109:32:231
81640rcu_preempt20015-21diskstats07:51:431
81640rcu_preempt17222-21sh11:19:560
81640rcu_preempt0-21swapper/112:40:011
81640rcu_preempt0-21swapper/111:10:401
81640rcu_preempt0-21swapper/110:37:221
81640rcu_preempt0-21swapper/110:34:101
81640rcu_preempt0-21swapper/110:04:481
81640rcu_preempt0-21swapper/109:38:481
81640rcu_preempt0-21swapper/109:20:541
81630rcu_preempt1692-21ssh12:46:191
81630rcu_preempt0-21swapper/111:53:591
81630rcu_preempt0-21swapper/110:46:251
81630rcu_preempt0-21swapper/109:28:091
81630rcu_preempt0-21swapper/108:48:261
81630rcu_preempt0-21swapper/108:46:041
81630rcu_preempt0-21swapper/108:26:271
81630rcu_preempt0-21swapper/107:21:551
81630rcu_preempt0-21swapper/012:08:430
81630rcu_preempt0-21swapper/009:31:400
81620rcu_preempt7369-21ssh12:00:530
81620rcu_preempt2925-21ssh10:00:471
81620rcu_preempt27968-21ssh11:40:481
81620rcu_preempt26080-21ssh09:44:461
81620rcu_preempt17711-21ssh10:25:431
81620rcu_preempt16921-21ssh11:19:081
81620rcu_preempt14122-21ssh11:14:320
81620rcu_preempt10015-21ssh12:05:001
81620rcu_preempt0-21swapper/109:51:471
81620rcu_preempt0-21swapper/108:22:551
81620rcu_preempt0-21swapper/107:57:551
81620rcu_preempt0-21swapper/107:34:541
81620rcu_preempt0-21swapper/107:18:181
81620rcu_preempt0-21swapper/008:26:360
81620rcu_preempt0-21swapper/008:23:280
89950610irq/17-ehci_hcd945-21usb-storage12:31:480
89950610irq/17-ehci_hcd945-21usb-storage08:44:440
81610rcu_preempt31521-21if_eth008:36:450
81610rcu_preempt30052-21ssh11:43:151
81610rcu_preempt28829-21ssh09:48:591
81610rcu_preempt19915-21ssh11:24:151
81610rcu_preempt11813-21ssh10:16:041
81610rcu_preempt0-21swapper/112:27:131
81610rcu_preempt0-21swapper/110:20:111
81610rcu_preempt0-21swapper/012:26:510
81610rcu_preempt0-21swapper/009:51:460
81610rcu_preempt0-21swapper/007:36:260
81610rcu_preempt0-21swapper/007:23:180
81600rcu_preempt7944-21ssh10:08:001
81600rcu_preempt19583-21ssh12:21:421
81600rcu_preempt0-21swapper/112:32:081
81600rcu_preempt0-21swapper/111:01:441
81600rcu_preempt0-21swapper/107:46:541
81600rcu_preempt0-21swapper/010:05:290
138550600irq/31-eth0-tx-8663-21diskmemload10:59:060
81590rcu_preempt14041-21if_err_eth112:11:460
81590rcu_preempt12028-21timerwakeupswit07:16:510
81590rcu_preempt0-21swapper/108:33:371
81580rcu_preempt23891-21ssh11:32:161
81580rcu_preempt0-21swapper/109:15:581
81580rcu_preempt0-21swapper/108:40:541
81580rcu_preempt0-21swapper/009:49:170
81580rcu_preempt0-21swapper/009:42:190
81580rcu_preempt0-21swapper/009:39:430
81570rcu_preempt1613-21/usr/sbin/munin08:46:430
81570rcu_preempt0-21swapper/111:56:311
81570rcu_preempt0-21swapper/109:08:541
81570rcu_preempt0-21swapper/108:51:281
81570rcu_preempt0-21swapper/107:37:191
81570rcu_preempt0-21swapper/107:28:001
81570rcu_preempt0-21swapper/009:11:400
81560rcu_preempt3-21ksoftirqd/007:11:420
81560rcu_preempt25909-21idleruntime-cro08:16:250
81560rcu_preempt0-21swapper/011:22:390
81560rcu_preempt0-21swapper/009:21:220
81550rcu_preempt0-21swapper/108:07:261
81550rcu_preempt0-21swapper/012:22:530
81540rcu_preempt25872-21users08:11:521
81540rcu_preempt23713-21ssh11:31:430
81540rcu_preempt22749-21irqstats08:01:441
81540rcu_preempt0-21swapper/108:16:551
81540rcu_preempt0-21swapper/012:44:570
81540rcu_preempt0-21swapper/010:25:330
81540rcu_preempt0-21swapper/010:17:120
81540rcu_preempt0-21swapper/010:13:060
138250540irq/28-eth0-rx-41ktimersoftd/011:06:000
81530rcu_preempt3-21ksoftirqd/011:28:440
81530rcu_preempt22373-21cpuspeed_turbos08:01:380
81530rcu_preempt0-21swapper/011:09:190
81530rcu_preempt0-21swapper/008:09:030
81530rcu_preempt0-21swapper/007:31:420
138250530irq/28-eth0-rx-41ktimersoftd/010:45:510
81520rcu_preempt0-21swapper/007:50:220
89950500irq/17-ehci_hcd945-21usb-storage08:31:470
81500rcu_preempt21801-21cut07:56:470
10847995047cyclictest945-21usb-storage07:41:551
10847994946cyclictest945-21usb-storage09:01:521
81480rcu_preempt0-21swapper/009:01:260
81480rcu_preempt0-21swapper/008:56:400
81480rcu_preempt0-21swapper/008:56:400
81480rcu_preempt0-21swapper/008:17:100
81480rcu_preempt0-21swapper/007:41:530
81470rcu_preempt0-21swapper/007:28:390
138550380irq/31-eth0-tx-13336-21kworker/0:107:51:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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