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2024-11-05 - 08:09
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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 100 highest latencies:
System rackcslot3.osadl.org (updated Tue Nov 05, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860rcu_preempt0-21swapper/019:09:490
81730rcu_preempt12458-21vmstat22:10:031
81720rcu_preempt3022-21df_abs21:54:521
81720rcu_preempt0-21swapper/000:24:200
81710rcu_preempt20326-21sh23:24:301
81710rcu_preempt0-21swapper/020:55:000
81700rcu_preempt6135-21/usr/sbin/munin20:49:560
81700rcu_preempt3408-21sh23:50:211
81700rcu_preempt24365-1kworker/0:0H23:22:280
81700rcu_preempt0-21swapper/121:09:501
81700rcu_preempt0-21swapper/023:09:560
81700rcu_preempt0-21swapper/022:48:480
81700rcu_preempt0-21swapper/020:09:530
81700rcu_preempt0-21swapper/000:38:090
81700rcu_preempt0-21swapper/000:32:010
89950690irq/17-ehci_hcd25200-1kworker/1:1H20:43:531
81690rcu_preempt8349-21munin-run22:04:371
81690rcu_preempt31349-21ssh23:43:560
81690rcu_preempt28457-21cat20:09:361
81690rcu_preempt27553-21ssh23:36:030
81690rcu_preempt27553-21ssh23:36:030
81690rcu_preempt0-21swapper/023:27:240
81690rcu_preempt0-21swapper/021:39:000
81690rcu_preempt0-21swapper/019:59:550
81690rcu_preempt0-21swapper/000:12:300
89950680irq/17-ehci_hcd23991-21cpuspeed_turbos21:34:491
81680rcu_preempt28638-21ssh21:42:130
81680rcu_preempt23269-21ssh23:29:470
81680rcu_preempt1722-21ssh21:51:450
81680rcu_preempt0-21swapper/123:29:501
81670rcu_preempt29689-21latency_hist00:39:371
81670rcu_preempt27333-21diskmemload22:37:570
81670rcu_preempt16957-21cron19:24:361
81670rcu_preempt0-21swapper/122:41:021
81670rcu_preempt0-21swapper/100:09:521
81660rcu_preempt30612-21ssh22:44:250
81660rcu_preempt29910-21diskstats21:44:520
81660rcu_preempt21993-21munin-run19:44:370
81660rcu_preempt0-21swapper/122:26:331
81660rcu_preempt0-21swapper/119:12:361
81650rcu_preempt3114-21df_inode21:54:520
81650rcu_preempt2692-21ssh23:49:560
81650rcu_preempt19650-21ssh21:25:321
81650rcu_preempt16511-21ssh23:16:200
81650rcu_preempt14850-21sh22:14:581
81650rcu_preempt0-21swapper/123:16:221
81650rcu_preempt0-21swapper/121:44:451
81650rcu_preempt0-21swapper/121:32:221
81650rcu_preempt0-21swapper/119:54:561
81640rcu_preempt28084-21ssh21:40:311
81640rcu_preempt17072-21df22:19:491
81640rcu_preempt1081-21diskmemload22:49:381
81640rcu_preempt0-21swapper/121:16:541
81640rcu_preempt0-21swapper/022:19:460
81630rcu_preempt9917-21ssh22:05:431
81630rcu_preempt7760-21ssh23:59:480
81630rcu_preempt23542-21ssh21:34:080
81630rcu_preempt0-21swapper/123:44:151
81630rcu_preempt0-21swapper/123:00:331
81630rcu_preempt0-21swapper/122:57:351
81630rcu_preempt0-21swapper/120:59:521
81630rcu_preempt0-21swapper/120:37:281
81630rcu_preempt0-21swapper/120:08:371
81630rcu_preempt0-21swapper/120:03:121
81630rcu_preempt0-21swapper/022:29:460
81630rcu_preempt0-21swapper/022:25:550
81630rcu_preempt0-21swapper/022:05:580
81620rcu_preempt0-21swapper/120:58:441
81620rcu_preempt0-21swapper/120:32:481
81620rcu_preempt0-21swapper/119:36:121
81620rcu_preempt0-21swapper/119:33:051
81620rcu_preempt0-21swapper/100:18:361
81620rcu_preempt0-21swapper/021:15:090
81610rcu_preempt2059-21sendmail_mailqu22:50:000
81610rcu_preempt17924-21ssh21:24:021
81610rcu_preempt13617-21ssh23:10:561
81610rcu_preempt0-21swapper/122:46:251
81610rcu_preempt0-21swapper/122:30:181
81610rcu_preempt0-21swapper/120:49:401
81610rcu_preempt0-21swapper/120:28:441
81610rcu_preempt0-21swapper/120:21:121
81610rcu_preempt0-21swapper/119:52:321
81610rcu_preempt0-21swapper/100:03:521
81610rcu_preempt0-21swapper/022:00:040
81600rcu_preempt23690-21ssh00:28:351
81600rcu_preempt23264-21munin-run19:49:370
81600rcu_preempt0-21swapper/123:37:271
81600rcu_preempt0-21swapper/123:37:271
81600rcu_preempt0-21swapper/020:40:040
81590rcu_preempt3-21ksoftirqd/000:43:140
81590rcu_preempt12271-21diskmemload23:01:380
81590rcu_preempt0-21swapper/123:56:301
81590rcu_preempt0-21swapper/121:51:171
81590rcu_preempt0-21swapper/023:08:120
81590rcu_preempt0-21swapper/022:11:450
81580rcu_preempt11850-21ssh23:09:051
81580rcu_preempt0-21swapper/123:24:561
81580rcu_preempt0-21swapper/120:18:231
81580rcu_preempt0-21swapper/119:39:551
81580rcu_preempt0-21swapper/100:44:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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