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2024-04-27 - 08:07
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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 Sat Apr 27, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt0-21swapper/021:41:420
81730rcu_preempt31678-21ssh22:04:541
81730rcu_preempt3-21ksoftirqd/022:02:250
81730rcu_preempt1078-21latency_hist22:09:311
89950720irq/17-ehci_hcd945-21usb-storage19:20:411
81720rcu_preempt28492-21sshd00:06:201
81720rcu_preempt10750-1kworker/1:2H00:40:551
81710rcu_preempt0-21swapper/023:14:580
81710rcu_preempt0-21swapper/021:57:070
81700rcu_preempt20362-21ssh22:45:250
81700rcu_preempt0-21swapper/122:29:421
81700rcu_preempt0-21swapper/122:14:551
81700rcu_preempt0-21swapper/122:02:381
81700rcu_preempt0-21swapper/121:48:051
81700rcu_preempt0-21swapper/022:37:250
81690rcu_preempt8138-21sh23:25:160
81690rcu_preempt15952-21sh23:41:401
81690rcu_preempt11866-21sh21:25:351
81690rcu_preempt0-21swapper/123:05:091
81690rcu_preempt0-21swapper/122:48:101
81690rcu_preempt0-21swapper/119:34:521
81680rcu_preempt0-21swapper/023:11:340
81680rcu_preempt0-21swapper/021:46:540
81680rcu_preempt0-21swapper/000:14:170
81670rcu_preempt8457-21munin-run00:34:310
81670rcu_preempt31927-21latency_hist00:14:310
81670rcu_preempt0-21swapper/120:39:551
81670rcu_preempt0-21swapper/100:27:301
81660rcu_preempt17620-21ssh22:39:570
81650rcu_preempt15851-21ntpdc19:34:530
81650rcu_preempt10352-21diskmemload00:44:470
81650rcu_preempt0-21swapper/120:34:431
81650rcu_preempt0-21swapper/100:39:271
81650rcu_preempt0-21swapper/100:19:531
81650rcu_preempt0-21swapper/022:14:010
81650rcu_preempt0-21swapper/019:20:020
81640rcu_preempt4726-21http_loadtime23:19:481
81640rcu_preempt24510-21if_can122:54:481
81640rcu_preempt10352-21diskmemload00:49:330
81640rcu_preempt0-21swapper/122:34:431
81640rcu_preempt0-21swapper/121:44:301
81640rcu_preempt0-21swapper/022:51:130
81640rcu_preempt0-21swapper/020:09:450
81640rcu_preempt0-21swapper/000:02:310
81630rcu_preempt20155-21ssh23:49:550
81630rcu_preempt17044-21needreboot00:49:561
81630rcu_preempt0-21swapper/119:28:171
81630rcu_preempt0-21swapper/019:59:540
81620rcu_preempt496-21ssh22:07:260
81620rcu_preempt23856-21kworker/0:021:32:400
81620rcu_preempt18904-21ssh22:44:271
81620rcu_preempt0-21swapper/123:44:501
81620rcu_preempt0-21swapper/121:53:591
81610rcu_preempt8667-21ssh22:24:051
81610rcu_preempt27828-21ssh21:56:581
81610rcu_preempt18296-21snmpd21:32:181
81610rcu_preempt10927-21ssh22:28:131
81610rcu_preempt0-21swapper/123:18:401
81610rcu_preempt0-21swapper/123:02:231
81610rcu_preempt0-21swapper/121:36:351
81610rcu_preempt0-21swapper/121:36:351
81610rcu_preempt0-21swapper/100:45:221
81610rcu_preempt0-21swapper/100:02:351
81600rcu_preempt31539-21ssh00:13:311
81600rcu_preempt18296-21snmpd20:22:031
81600rcu_preempt1755-21df_abs20:49:451
81600rcu_preempt10675-21ssh23:30:491
81600rcu_preempt0-21swapper/123:57:181
81600rcu_preempt0-21swapper/120:56:531
81600rcu_preempt0-21swapper/020:49:450
81590rcu_preempt8350-21ssh00:34:101
81590rcu_preempt22762-21ssh22:50:061
81590rcu_preempt20577-21ssh23:50:061
81590rcu_preempt10352-21diskmemload23:46:060
81590rcu_preempt10352-21diskmemload00:21:410
81590rcu_preempt0-21swapper/123:34:541
81590rcu_preempt0-21swapper/123:10:041
81590rcu_preempt0-21swapper/120:59:551
81590rcu_preempt0-21swapper/119:59:531
81590rcu_preempt0-21swapper/119:55:041
81590rcu_preempt0-21swapper/100:16:421
81590rcu_preempt0-21swapper/023:40:200
81590rcu_preempt0-21swapper/000:37:100
81580rcu_preempt3-21ksoftirqd/023:33:140
81580rcu_preempt12540-21ssh00:40:490
81580rcu_preempt0-21swapper/123:25:291
81580rcu_preempt0-21swapper/121:11:341
81580rcu_preempt0-21swapper/120:16:031
81580rcu_preempt0-21swapper/120:13:551
81580rcu_preempt0-21swapper/119:44:521
81580rcu_preempt0-21swapper/119:32:411
81580rcu_preempt0-21swapper/022:34:080
81580rcu_preempt0-21swapper/022:20:350
81580rcu_preempt0-21swapper/021:34:520
81580rcu_preempt0-21swapper/021:34:520
81570rcu_preempt0-21swapper/120:32:281
81570rcu_preempt0-21swapper/023:57:210
81570rcu_preempt0-21swapper/021:49:520
81570rcu_preempt0-21swapper/021:14:560
81570rcu_preempt0-21swapper/000:26:390
81560rcu_preempt16669-21fw_forwarded_lo19:39:451
81560rcu_preempt0-21swapper/022:25:430
81560rcu_preempt0-21swapper/000:06:050
81550rcu_preempt9328-21grep21:19:451
81550rcu_preempt5871-21ssh23:21:080
81550rcu_preempt5693-21df_inode21:04:451
81550rcu_preempt4923-21ssh22:14:590
81550rcu_preempt25851-21ssh22:57:100
81550rcu_preempt25459-21diskstats20:14:430
81550rcu_preempt13831-21ssh23:38:140
81550rcu_preempt0-21swapper/120:04:571
81550rcu_preempt0-21swapper/023:05:300
81550rcu_preempt0-21swapper/022:59:460
81550rcu_preempt0-21swapper/021:25:080
89950540irq/17-ehci_hcd1465-21munin-run20:49:300
81540rcu_preempt0-21swapper/120:48:571
81540rcu_preempt0-21swapper/120:29:001
81540rcu_preempt0-21swapper/021:11:300
81540rcu_preempt0-21swapper/020:59:490
81540rcu_preempt0-21swapper/020:25:070
81530rcu_preempt0-21swapper/021:24:290
81530rcu_preempt0-21swapper/019:55:500
141850530irq/28-eth0-rx-0-21swapper/020:39:520
81520rcu_preempt0-21swapper/119:53:171
81520rcu_preempt0-21swapper/019:44:590
81500rcu_preempt0-21swapper/021:04:580
81490rcu_preempt22934-21diskstats20:04:430
81490rcu_preempt0-21swapper/019:50:480
81490rcu_preempt0-21swapper/019:30:160
81480rcu_preempt0-21swapper/020:37:290
81470rcu_preempt3725-21grep20:54:560
81470rcu_preempt13040-21/usr/sbin/munin19:24:510
81460rcu_preempt17123-21ntp_states19:39:530
81450rcu_preempt27542-21users20:19:570
81440rcu_preempt8894-21python21:14:581
12497993614cyclictest23856-21kworker/0:020:29:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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