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2024-07-24 - 04:17
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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 the 376 highest latencies:
System rackcslot3.osadl.org (updated Wed Jul 24, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860rcu_preempt21273-21ssh22:39:521
81820rcu_preempt21880-21apt-get22:41:331
81800rcu_preempt3018-21kworker/1:121:32:201
81800rcu_preempt0-21swapper/119:06:471
81790rcu_preempt2585-21ssh22:04:581
81790rcu_preempt15114-21ssh23:29:301
81790rcu_preempt0-21swapper/100:08:501
81780rcu_preempt32058-21ssh23:00:491
81770rcu_preempt20442-21ssh23:39:221
81760rcu_preempt0-21swapper/123:46:391
81750rcu_preempt8893-21fw_packets22:16:401
81750rcu_preempt29486-21ssh22:56:051
81750rcu_preempt24394-21apt-get22:46:341
81740rcu_preempt13027-21sh00:28:520
89950730irq/17-ehci_hcd0-21swapper/122:23:051
81730rcu_preempt31915-21http_loadtime20:46:381
81730rcu_preempt23363-21load20:11:431
81720rcu_preempt25339-21cpu20:21:361
81720rcu_preempt19-21ksoftirqd/123:06:521
81720rcu_preempt16720-21df_abs19:46:351
89950710irq/17-ehci_hcd945-21usb-storage21:57:411
89950710irq/17-ehci_hcd945-21usb-storage21:57:411
81700rcu_preempt0-21swapper/123:31:301
81700rcu_preempt0-21swapper/121:49:331
81700rcu_preempt0-21swapper/022:46:590
81700rcu_preempt0-21swapper/020:01:430
81690rcu_preempt0-21swapper/122:12:281
81680rcu_preempt0-21swapper/121:44:131
81680rcu_preempt0-21swapper/023:21:500
81680rcu_preempt0-21swapper/023:21:500
81670rcu_preempt32104-21sh23:00:580
81670rcu_preempt19-21ksoftirqd/121:41:121
81670rcu_preempt19-21ksoftirqd/121:11:341
81670rcu_preempt0-21swapper/022:13:560
81670rcu_preempt0-21swapper/022:06:000
81660rcu_preempt5411-21diskmemload22:31:451
81660rcu_preempt3133-21ssh22:06:241
81660rcu_preempt1707-21sort20:56:231
81660rcu_preempt0-21swapper/120:16:371
81660rcu_preempt0-21swapper/100:21:351
81660rcu_preempt0-21swapper/023:36:190
152050660irq/28-eth0-rx-11273-21apt-get21:21:330
89950650irq/17-ehci_hcd945-21usb-storage20:31:321
81650rcu_preempt6466-21/usr/sbin/munin19:06:350
81650rcu_preempt29355-21ssh23:56:391
81650rcu_preempt14958-21python00:31:471
81650rcu_preempt0-21swapper/100:40:091
81640rcu_preempt10337-21ssh21:19:011
81640rcu_preempt0-21swapper/120:41:391
81640rcu_preempt0-21swapper/120:41:391
81630rcu_preempt1232-21jbd2/sda3-821:31:221
81630rcu_preempt0-21swapper/119:56:511
81630rcu_preempt0-21swapper/100:29:151
81630rcu_preempt0-21swapper/100:11:361
81620rcu_preempt406-21grep20:51:231
81620rcu_preempt26589-21ssh23:51:391
81620rcu_preempt13541-21processes19:31:501
81620rcu_preempt12909-21ssh23:26:051
81620rcu_preempt12909-21ssh23:26:051
81620rcu_preempt0-21swapper/123:01:401
81620rcu_preempt0-21swapper/121:53:401
89950610irq/17-ehci_hcd945-21usb-storage20:36:371
81610rcu_preempt8453-21ssh00:20:131
81610rcu_preempt2256-21snmpd19:26:391
81610rcu_preempt19-21ksoftirqd/121:01:521
81610rcu_preempt1660-21munin-run00:06:221
81610rcu_preempt0-21swapper/123:11:391
81610rcu_preempt0-21swapper/122:27:541
81610rcu_preempt0-21swapper/119:51:371
81600rcu_preempt0-21swapper/121:23:171
89950590irq/17-ehci_hcd41ktimersoftd/021:17:310
89150590irq/17-ehci_hcd945-21usb-storage19:44:070
81590rcu_preempt22377-21ssh23:41:571
81590rcu_preempt13561-21ssh22:25:500
81590rcu_preempt0-21swapper/123:18:371
81590rcu_preempt0-21swapper/123:18:371
81590rcu_preempt0-21swapper/121:06:371
81590rcu_preempt0-21swapper/120:26:421
81590rcu_preempt0-21swapper/119:36:381
81590rcu_preempt0-21swapper/023:42:060
81580rcu_preempt0-21swapper/119:24:391
81580rcu_preempt0-21swapper/023:38:110
81580rcu_preempt0-21swapper/000:15:050
81570rcu_preempt7988-21ssh00:17:300
81570rcu_preempt4401-21ssh23:09:030
81570rcu_preempt21895-21ssh22:41:340
81570rcu_preempt10197-21ssh23:20:380
81570rcu_preempt10197-21ssh23:20:380
81570rcu_preempt0-21swapper/120:06:361
81570rcu_preempt0-21swapper/119:16:431
81570rcu_preempt0-21swapper/119:11:321
81570rcu_preempt0-21swapper/021:26:240
81560rcu_preempt24100-21ssh21:44:410
81560rcu_preempt21606-21ssh21:40:300
81560rcu_preempt15364-21ssh00:32:400
81560rcu_preempt0-21swapper/120:01:491
81560rcu_preempt0-21swapper/021:58:360
81560rcu_preempt0-21swapper/021:58:360
81560rcu_preempt0-21swapper/000:08:490
81550rcu_preempt0-21swapper/022:39:300
81550rcu_preempt0-21swapper/022:34:080
81550rcu_preempt0-21swapper/021:02:550
81550rcu_preempt0-21swapper/019:57:330
81550rcu_preempt0-21swapper/019:39:090
152050550irq/28-eth0-rx-5527-21df_inode23:11:360
152050550irq/28-eth0-rx-41ktimersoftd/023:02:030
81540rcu_preempt5577-21ssh22:11:040
81540rcu_preempt26246-21ssh21:48:120
81540rcu_preempt18147-21ssh21:33:130
81540rcu_preempt15592-21modprobe19:41:401
81540rcu_preempt0-21swapper/023:58:260
81540rcu_preempt0-21swapper/023:50:130
81540rcu_preempt0-21swapper/022:29:100
81540rcu_preempt0-21swapper/020:35:560
81540rcu_preempt0-21swapper/000:04:020
81530rcu_preempt18748-21ssh00:39:470
81530rcu_preempt0-21swapper/023:53:390
81530rcu_preempt0-21swapper/023:27:070
81530rcu_preempt0-21swapper/021:54:270
81520rcu_preempt9123-21ssh22:16:430
81520rcu_preempt8253-21ssh21:16:180
81520rcu_preempt28524-21ssh22:52:570
81520rcu_preempt0-21swapper/019:50:350
81510rcu_preempt25888-21memory20:21:440
81510rcu_preempt0-21swapper/020:14:540
81510rcu_preempt0-21swapper/020:09:010
81510rcu_preempt0-21swapper/019:14:510
81500rcu_preempt0-21swapper/020:16:330
152050500irq/28-eth0-rx-0-21swapper/020:56:500
81490rcu_preempt0-21swapper/020:55:400
81490rcu_preempt0-21swapper/020:47:400
81490rcu_preempt0-21swapper/020:30:490
81480rcu_preempt0-21swapper/019:27:020
81480rcu_preempt0-21swapper/019:21:150
89950450irq/17-ehci_hcd945-21usb-storage00:22:410
81440rcu_preempt2256-21snmpd20:43:300
81440rcu_preempt2256-21snmpd20:43:300
89950430irq/17-ehci_hcd0-21swapper/019:31:460
89950420irq/17-ehci_hcd0-21swapper/021:09:420
89950390irq/17-ehci_hcd0-21swapper/020:38:280
89950390irq/17-ehci_hcd0-21swapper/019:23:460
7611993936cyclictest945-21usb-storage19:51:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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