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2023-03-20 - 19:27

x86 AMD G-T48L @1400 MHz, Linux 4.4.4-rt11 (Profile)

Latency plot of system in rack #c, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 Mon Mar 20, 2023 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt147450irq/28-eth0-rx-12:40:331
81750rcu_preempt0-21swapper/107:12:361
81710rcu_preempt12145-1kworker/0:1H09:44:210
81700rcu_preempt32137-21diskmemload10:13:581
81700rcu_preempt2235-21ssh11:12:340
81700rcu_preempt2088-21ssh09:18:010
81700rcu_preempt1922-21cyclictest11:25:300
81700rcu_preempt0-21swapper/012:43:550
89850690irq/17-ehci_hcd32137-21diskmemload12:04:431
81690rcu_preempt4448-21ssh11:15:400
81690rcu_preempt3395-21ssh10:15:580
81690rcu_preempt30122-21ssh10:05:460
81690rcu_preempt2157-21snmpd12:18:550
81690rcu_preempt17601-21apt-get09:45:100
81690rcu_preempt11891-21ssh12:27:351
81690rcu_preempt0-21swapper/109:45:241
81690rcu_preempt0-21swapper/012:27:090
81690rcu_preempt0-21swapper/011:30:480
81690rcu_preempt0-21swapper/009:38:140
81690rcu_preempt0-21swapper/008:45:100
81680rcu_preempt9759-21ssh12:24:420
81680rcu_preempt7479-21ssh09:26:210
81680rcu_preempt643-21ssh12:07:350
81680rcu_preempt6233-21ssh10:20:520
81680rcu_preempt25108-21ssh09:57:410
81680rcu_preempt22178-21ssh11:48:470
81680rcu_preempt21985-21ssh09:52:090
81680rcu_preempt17874-21ssh12:39:040
81680rcu_preempt0-21swapper/012:14:360
81680rcu_preempt0-21swapper/011:43:340
81680rcu_preempt0-21swapper/011:38:390
81680rcu_preempt0-21swapper/009:30:590
81680rcu_preempt0-21swapper/009:10:200
89850670irq/17-ehci_hcd0-21swapper/110:47:271
81670rcu_preempt5494-21ssh09:24:100
81670rcu_preempt3728-21cut09:20:201
81670rcu_preempt28528-21ssh11:01:050
81670rcu_preempt28262-21ssh10:03:340
81670rcu_preempt27625-21ssh11:58:090
81670rcu_preempt26525-21sshd10:58:261
81670rcu_preempt2507-21ssh10:15:141
81670rcu_preempt24123-21ssh11:50:540
81670rcu_preempt14168-21ssh12:30:520
81670rcu_preempt13208-21sshd07:56:260
81670rcu_preempt11537-21ssh10:30:280
81670rcu_preempt0-21swapper/112:32:331
81670rcu_preempt0-21swapper/112:10:481
81670rcu_preempt0-21swapper/111:17:301
81670rcu_preempt0-21swapper/108:20:121
81670rcu_preempt0-21swapper/108:20:121
81670rcu_preempt0-21swapper/010:40:190
81670rcu_preempt0-21swapper/010:24:570
81670rcu_preempt0-21swapper/009:00:170
81660rcu_preempt998-21ssh10:12:330
81660rcu_preempt7711-21ssh11:22:210
81660rcu_preempt25832-21ssh10:56:210
81660rcu_preempt23289-21ssh10:52:140
81660rcu_preempt20699-21ssh10:48:120
81660rcu_preempt16247-21ssh09:41:471
81660rcu_preempt14899-21ssh10:37:000
81660rcu_preempt0-21swapper/111:59:181
81660rcu_preempt0-21swapper/111:54:231
81660rcu_preempt0-21swapper/012:02:460
81660rcu_preempt0-21swapper/011:09:190
81660rcu_preempt0-21swapper/009:06:520
81660rcu_preempt0-21swapper/007:39:530
81650rcu_preempt0-21swapper/008:55:000
81650rcu_preempt0-21swapper/008:24:190
81650rcu_preempt0-21swapper/008:24:190
81650rcu_preempt0-21swapper/008:15:190
81650rcu_preempt0-21swapper/008:00:180
81650rcu_preempt0-21swapper/007:37:170
81650rcu_preempt0-21swapper/007:33:520
81650rcu_preempt0-21swapper/007:21:140
81640rcu_preempt29955-21ssh10:05:251
81640rcu_preempt0-21swapper/109:19:101
81640rcu_preempt0-21swapper/008:41:420
81640rcu_preempt0-21swapper/008:35:510
81640rcu_preempt0-21swapper/008:25:350
81640rcu_preempt0-21swapper/007:51:160
81640rcu_preempt0-21swapper/007:48:180
81640rcu_preempt0-21swapper/007:25:020
81640rcu_preempt0-21swapper/007:18:080
81630rcu_preempt0-21swapper/109:28:361
81630rcu_preempt0-21swapper/108:42:011
81630rcu_preempt0-21swapper/008:54:440
81630rcu_preempt0-21swapper/008:30:260
81630rcu_preempt0-21swapper/008:13:530
81620rcu_preempt0-21swapper/112:08:191
81620rcu_preempt0-21swapper/111:10:111
81610rcu_preempt25857-21latency_hist08:49:531
81610rcu_preempt0-21swapper/111:41:141
81610rcu_preempt0-21swapper/111:20:161
81600rcu_preempt0-21swapper/109:55:211
81600rcu_preempt0-21swapper/108:10:101
81590rcu_preempt29618-21munin-run09:04:531
81590rcu_preempt13243-21ssh10:35:081
81590rcu_preempt0-21swapper/108:24:531
81590rcu_preempt0-21swapper/107:49:521
81580rcu_preempt12415-21if_can007:55:101
81580rcu_preempt0-21swapper/111:35:161
81580rcu_preempt0-21swapper/110:34:221
81570rcu_preempt30592-21sendmail_mailqu09:05:181
81570rcu_preempt15359-21ntp_states08:05:260
81570rcu_preempt0-21swapper/111:29:121
81570rcu_preempt0-21swapper/110:00:241
81560rcu_preempt10157-21ssh09:31:051
81560rcu_preempt0-21swapper/107:20:141
81550rcu_preempt3-21ksoftirqd/007:10:160
81550rcu_preempt0-21swapper/112:20:131
81540rcu_preempt28357-21munin-run08:59:531
81540rcu_preempt23384-21latency_hist08:39:531
81540rcu_preempt0-21swapper/111:04:421
81530rcu_preempt30003-21cpuspeed_turbos11:05:141
81530rcu_preempt16578-21python12:35:251
81520rcu_preempt6116-21ssh12:16:531
81520rcu_preempt0-21swapper/111:45:181
81520rcu_preempt0-21swapper/111:33:461
81520rcu_preempt0-21swapper/110:40:161
81520rcu_preempt0-21swapper/110:26:591
81520rcu_preempt0-21swapper/110:22:221
81520rcu_preempt0-21swapper/109:50:101
81520rcu_preempt0-21swapper/107:15:121
81510rcu_preempt13140-21ssh09:36:211
81510rcu_preempt0-21swapper/107:39:471
89850500irq/17-ehci_hcd945-21usb-storage08:15:061
81500rcu_preempt22742-21ssh10:50:311
81500rcu_preempt0-21swapper/109:10:171
81500rcu_preempt0-21swapper/108:05:211
147650500irq/29-eth0-rx-0-21swapper/108:00:081
81480rcu_preempt0-21swapper/107:50:071
81480rcu_preempt0-21swapper/107:29:001
147450480irq/28-eth0-rx-0-21swapper/107:30:051
81470rcu_preempt0-21swapper/107:40:101
81460rcu_preempt0-21swapper/108:32:021
147850420irq/31-eth0-tx-26987-21timerandwakeup08:50:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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