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2024-04-21 - 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 Sun Apr 21, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1418501160irq/28-eth0-rx-14305-21if_wlan000:29:001
81870rcu_preempt5262-21ssh23:00:501
81850rcu_preempt23252-21kworker/1:019:20:471
81820rcu_preempt24106-21ntpq19:19:010
81780rcu_preempt0-21swapper/122:31:111
81770rcu_preempt8472-21ssh00:14:411
81770rcu_preempt5605-21ntp_states21:54:061
81770rcu_preempt26501-21ssh21:30:061
81770rcu_preempt0-21swapper/121:46:411
89950760irq/17-ehci_hcd0-21swapper/122:39:031
81760rcu_preempt20921-21ssh00:43:391
142050760irq/30-eth0-tx-3-21ksoftirqd/021:33:290
81740rcu_preempt17130-21df_abs22:18:551
81730rcu_preempt1562-21kernelversion19:59:061
81720rcu_preempt844-21ps23:59:031
81710rcu_preempt0-21swapper/121:49:101
81710rcu_preempt0-21swapper/120:43:591
81710rcu_preempt0-21swapper/120:13:381
81710rcu_preempt0-21swapper/100:34:081
81700rcu_preempt32128-21sh21:43:211
81700rcu_preempt26707-21ssh23:45:251
81700rcu_preempt24026-21sh21:25:121
81700rcu_preempt0-21swapper/119:38:571
81700rcu_preempt0-21swapper/100:49:311
81690rcu_preempt7788-21ssh23:06:310
81690rcu_preempt19-21ksoftirqd/123:18:431
81690rcu_preempt18860-1kworker/0:2H23:40:180
81690rcu_preempt0-21swapper/122:34:021
81690rcu_preempt0-21swapper/122:12:411
81690rcu_preempt0-21swapper/100:48:381
81680rcu_preempt6047-21latency_hist20:18:381
81680rcu_preempt0-21swapper/123:52:171
81680rcu_preempt0-21swapper/123:41:441
81680rcu_preempt0-21swapper/100:09:041
81680rcu_preempt0-21swapper/100:05:021
81670rcu_preempt2640-21sh22:54:471
81670rcu_preempt18439-21switchtime21:04:051
81670rcu_preempt0-21swapper/122:51:071
81670rcu_preempt0-21swapper/122:06:501
81670rcu_preempt0-21swapper/120:39:061
81660rcu_preempt6867-21ntp_states23:04:061
81660rcu_preempt27914-21ntp_states19:34:031
81660rcu_preempt15287-21ssh22:14:061
81660rcu_preempt0-21swapper/119:50:491
81660rcu_preempt0-21swapper/023:32:580
81650rcu_preempt19-21ksoftirqd/123:34:001
81650rcu_preempt19-21ksoftirqd/120:28:531
81650rcu_preempt0-21swapper/120:18:561
81640rcu_preempt30038-21ssh22:44:191
89950630irq/17-ehci_hcd945-21usb-storage21:05:220
81630rcu_preempt18835-21ssh23:29:031
81630rcu_preempt17000-21ssh23:25:011
81630rcu_preempt0-21swapper/123:14:191
81630rcu_preempt0-21swapper/121:33:581
81630rcu_preempt0-21swapper/023:57:080
89950620irq/17-ehci_hcd2453699cyclictest20:09:050
81620rcu_preempt9459-21awk22:03:391
81620rcu_preempt24658-21/usr/sbin/munin19:24:131
81620rcu_preempt13349-21ssh00:27:051
81620rcu_preempt10337-21ssh23:12:181
81620rcu_preempt0-21swapper/123:57:551
81620rcu_preempt0-21swapper/119:44:081
24537996249cyclictest181ktimersoftd/122:27:521
81610rcu_preempt0-21swapper/121:13:521
81610rcu_preempt0-21swapper/120:59:071
81610rcu_preempt0-21swapper/120:23:561
81610rcu_preempt0-21swapper/100:20:301
81600rcu_preempt24534-21cyclictest20:53:531
81600rcu_preempt11021-21munin-run20:38:381
81600rcu_preempt0-21swapper/121:18:551
81600rcu_preempt0-21swapper/022:48:110
142050600irq/30-eth0-tx-21915-21ssh23:35:330
81590rcu_preempt10812-21rm22:04:200
81590rcu_preempt0-21swapper/120:53:331
81590rcu_preempt0-21swapper/120:53:331
81590rcu_preempt0-21swapper/120:03:391
81590rcu_preempt0-21swapper/022:03:020
89950580irq/17-ehci_hcd3-21ksoftirqd/022:59:110
81580rcu_preempt13649-21ssh22:10:570
81580rcu_preempt0-21swapper/022:15:530
81580rcu_preempt0-21swapper/000:48:230
81580rcu_preempt0-21swapper/000:29:450
81580rcu_preempt0-21swapper/000:07:430
81570rcu_preempt0-21swapper/019:44:330
81570rcu_preempt0-21swapper/000:41:380
142050570irq/30-eth0-tx-0-21swapper/000:15:040
89950560irq/17-ehci_hcd2453699cyclictest23:43:400
81560rcu_preempt6721-21ssh00:12:320
81560rcu_preempt2182-21ssh00:03:240
81560rcu_preempt0-21swapper/119:56:071
81550rcu_preempt24435-21ssh21:26:390
81550rcu_preempt0-21swapper/119:32:571
81550rcu_preempt0-21swapper/022:37:390
81550rcu_preempt0-21swapper/022:31:310
81550rcu_preempt0-21swapper/020:29:070
81550rcu_preempt0-21swapper/000:34:450
142150550irq/31-eth0-tx-11283-21apache220:20:550
81540rcu_preempt2560-21ssh22:54:280
81540rcu_preempt18745-21/usr/sbin/munin21:09:031
81540rcu_preempt0-21swapper/022:23:210
81540rcu_preempt0-21swapper/021:22:300
81540rcu_preempt0-21swapper/019:50:500
81540rcu_preempt0-21swapper/019:30:500
81530rcu_preempt31874-21ssh21:42:110
81530rcu_preempt1523-21ssh21:46:010
81530rcu_preempt0-21swapper/023:50:310
81530rcu_preempt0-21swapper/023:12:170
81530rcu_preempt0-21swapper/021:48:560
81530rcu_preempt0-21swapper/020:17:300
81530rcu_preempt0-21swapper/019:37:240
81530rcu_preempt0-21swapper/000:50:060
81530rcu_preempt0-21swapper/000:25:300
81530rcu_preempt0-21swapper/000:23:060
81520rcu_preempt28448-21ssh22:42:390
81520rcu_preempt18296-21snmpd20:56:030
81520rcu_preempt0-21swapper/022:51:190
81520rcu_preempt0-21swapper/021:55:340
81520rcu_preempt0-21swapper/020:33:440
81520rcu_preempt0-21swapper/020:07:420
81520rcu_preempt0-21swapper/019:40:240
81510rcu_preempt29325-21ssh21:36:270
81510rcu_preempt0-21swapper/020:28:260
142150510irq/31-eth0-tx-15390-21ssh23:23:250
142150480irq/31-eth0-tx-17246-21ssh23:26:020
81460rcu_preempt18885-21df21:08:550
81450rcu_preempt0-21swapper/020:45:430
89950440irq/17-ehci_hcd945-21usb-storage21:01:270
89950410irq/17-ehci_hcd945-21usb-storage21:14:330
89950410irq/17-ehci_hcd0-21swapper/022:23:450
89550410irq/17-ehci_hcd0-21swapper/020:48:490
89550410irq/17-ehci_hcd0-21swapper/020:48:490
142050410irq/30-eth0-tx-13082-21ssh23:18:340
89950400irq/17-ehci_hcd945-21usb-storage20:43:050
89950390irq/17-ehci_hcd32221-21apt-get19:53:510
89950380irq/17-ehci_hcd18860-1kworker/0:2H20:00:570
2453699346cyclictest14558-21kworker/0:119:24:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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