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2025-04-02 - 07:55
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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 all highest latencies:
System rackcslot3.osadl.org (updated Wed Apr 02, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81930rcu_preempt14696-21memory00:17:550
151250930irq/30-eth0-tx-181ktimersoftd/122:52:301
151350730irq/31-eth0-tx-0-21swapper/121:53:391
81720rcu_preempt0-21swapper/021:32:470
81710rcu_preempt19973-21sh22:27:521
81700rcu_preempt0-21swapper/100:01:381
81690rcu_preempt892-21memory22:52:480
81690rcu_preempt5167-21sh22:59:451
81690rcu_preempt32696-21apt-get23:52:411
81690rcu_preempt12765-21sh21:16:180
81690rcu_preempt0-21swapper/123:37:391
81690rcu_preempt0-21swapper/022:29:060
81680rcu_preempt9522-21sh00:08:141
81680rcu_preempt29443-1kworker/1:0H23:19:551
81680rcu_preempt28202-21diskstats22:42:480
81680rcu_preempt27719-21latency_hist22:42:320
81680rcu_preempt25387-21sendmail_mailqu21:37:570
81680rcu_preempt11865-21sh21:13:591
81680rcu_preempt10041-21diskmemload21:45:471
81680rcu_preempt0-21swapper/119:12:551
81680rcu_preempt0-21swapper/021:17:380
81680rcu_preempt0-21swapper/000:29:060
81670rcu_preempt6143-21/usr/sbin/munin23:02:320
81670rcu_preempt22908-21sh21:33:511
81670rcu_preempt0-21swapper/019:07:350
81670rcu_preempt0-21swapper/000:12:530
81660rcu_preempt0-21swapper/123:23:461
81660rcu_preempt0-21swapper/100:31:391
151250660irq/30-eth0-tx-945-21usb-storage00:36:570
81650rcu_preempt29487-21sh23:43:570
81650rcu_preempt0-21swapper/119:18:191
81650rcu_preempt0-21swapper/023:53:110
81650rcu_preempt0-21swapper/023:42:060
81650rcu_preempt0-21swapper/023:13:430
81650rcu_preempt0-21swapper/021:57:510
81650rcu_preempt0-21swapper/021:53:300
81650rcu_preempt0-21swapper/021:45:220
81640rcu_preempt6971-21memory23:02:521
81640rcu_preempt5158-21/usr/sbin/munin20:52:571
81640rcu_preempt31256-21df20:22:461
81640rcu_preempt14218-21mailstats19:07:561
81640rcu_preempt11155-21cpuspeed23:12:421
81640rcu_preempt0-21swapper/122:32:361
81640rcu_preempt0-21swapper/020:02:510
81640rcu_preempt0-21swapper/019:47:480
81630rcu_preempt8737-21ssh22:07:191
81630rcu_preempt27676-21ssh22:42:251
81630rcu_preempt22618-21open_files00:32:571
81630rcu_preempt0-21swapper/023:33:000
81620rcu_preempt29702-21munin-run20:17:320
81620rcu_preempt23289-21munin-run19:47:310
81620rcu_preempt0-21swapper/023:23:090
81610rcu_preempt7724-21ssh00:03:110
81610rcu_preempt25405-21memory00:37:551
81610rcu_preempt0-21swapper/122:13:191
81610rcu_preempt0-21swapper/121:28:541
81610rcu_preempt0-21swapper/100:20:131
81610rcu_preempt0-21swapper/022:05:050
81600rcu_preempt9197-21http_loadtime21:07:491
81600rcu_preempt576-21latency20:32:471
81600rcu_preempt23274-21ssh22:33:510
81600rcu_preempt21259-21cat21:32:320
81600rcu_preempt20974-21ssh23:30:210
81600rcu_preempt19058-21ssh21:26:300
81600rcu_preempt14726-21ssh23:17:530
81600rcu_preempt0-21swapper/123:27:371
81600rcu_preempt0-21swapper/122:24:241
81600rcu_preempt0-21swapper/121:21:211
81600rcu_preempt0-21swapper/100:24:361
81600rcu_preempt0-21swapper/019:57:480
81600rcu_preempt0-21swapper/019:57:480
81590rcu_preempt6081-21ssh00:02:070
81590rcu_preempt32518-21dpkg20:32:390
81590rcu_preempt29869-21ssh22:45:051
81590rcu_preempt15654-21ssh22:19:271
81590rcu_preempt0-21swapper/122:54:551
81590rcu_preempt0-21swapper/121:41:031
81590rcu_preempt0-21swapper/120:47:461
81590rcu_preempt0-21swapper/023:51:140
81590rcu_preempt0-21swapper/023:09:090
81590rcu_preempt0-21swapper/022:22:520
81590rcu_preempt0-21swapper/021:02:520
81590rcu_preempt0-21swapper/019:30:520
81580rcu_preempt30538-21ssh21:47:441
81580rcu_preempt28460-21munin-run20:12:320
81580rcu_preempt19013-21ssh21:26:221
81580rcu_preempt0-21swapper/123:48:391
81580rcu_preempt0-21swapper/123:43:251
81580rcu_preempt0-21swapper/123:34:361
81580rcu_preempt0-21swapper/119:42:501
81580rcu_preempt0-21swapper/100:15:011
81580rcu_preempt0-21swapper/022:14:550
81580rcu_preempt0-21swapper/022:10:460
81580rcu_preempt0-21swapper/020:32:200
81580rcu_preempt0-21swapper/000:07:590
81570rcu_preempt7136-21ntp_states23:02:540
81570rcu_preempt4437-21ssh21:58:381
81570rcu_preempt31119-21ssh22:48:200
81570rcu_preempt19700-21ssh00:27:180
81570rcu_preempt15206-21ssh22:18:120
81570rcu_preempt0-21swapper/122:08:231
81570rcu_preempt0-21swapper/121:02:431
81570rcu_preempt0-21swapper/100:02:491
81570rcu_preempt0-21swapper/021:51:280
81570rcu_preempt0-21swapper/020:24:020
81570rcu_preempt0-21swapper/019:34:580
81570rcu_preempt0-21swapper/000:37:580
81560rcu_preempt10336-21ssh23:11:101
81560rcu_preempt0-21swapper/021:08:560
81560rcu_preempt0-21swapper/020:57:480
81560rcu_preempt0-21swapper/019:23:550
81550rcu_preempt5803-21head20:52:590
81550rcu_preempt0-21swapper/119:27:571
81550rcu_preempt0-21swapper/020:21:580
81540rcu_preempt0-21swapper/120:06:561
81540rcu_preempt0-21swapper/019:39:030
89850530irq/17-ehci_hcd945-21usb-storage20:37:441
81530rcu_preempt6671-21fw_forwarded_lo20:57:481
81530rcu_preempt0-21swapper/119:57:221
89850520irq/17-ehci_hcd945-21usb-storage20:12:431
81520rcu_preempt0-21swapper/020:48:560
81520rcu_preempt0-21swapper/019:15:030
1450899521cyclictest26643-21ntp_states19:57:551
1450899521cyclictest26643-21ntp_states19:57:551
81510rcu_preempt18234-21users19:22:581
81510rcu_preempt0-21swapper/019:55:060
81490rcu_preempt2106-21ntp_states20:37:540
81490rcu_preempt16454-21memory19:17:520
81480rcu_preempt20908-21cpu19:37:451
81470rcu_preempt19915-21fw_conntrack19:32:511
81460rcu_preempt30234-21if_err_wlan020:17:511
81460rcu_preempt0-21swapper/120:07:421
1450899461cyclictest23421-21/usr/sbin/munin19:47:521
81450rcu_preempt2995-21awk20:42:501
151350390irq/31-eth0-tx-24523-21kworker/1:020:28:581
14507993836cyclictest945-21usb-storage20:42:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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