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2025-09-04 - 06:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 50 highest latencies:
System rack4slot2.osadl.org (updated Thu Sep 04, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502680,0irq/46-4a10000027791-1kworker/u3:119:05:400
184782950,0sleep012940-1kworker/u3:420:07:330
167392950,0sleep015146-1kworker/u3:123:10:530
7450940,0irq/46-4a1000007462-21seq22:43:200
7450940,0irq/46-4a10000025756-21cpu22:02:520
7450930,0irq/46-4a10000031511-21runrttasks20:43:310
7450930,0irq/46-4a1000002332-21interrupts00:03:200
7450920,0irq/46-4a1000008026-21seq19:36:220
7450920,0irq/46-4a1000005446-21df_inode22:38:000
7450920,0irq/46-4a1000005324-21wget00:12:530
7450920,0irq/46-4a1000004902-21seq19:27:430
7450920,0irq/46-4a100000439-21snmpd00:24:150
7450920,0irq/46-4a1000003888-21idleruntime22:33:140
7450920,0irq/46-4a10000032575-21kworker/u2:222:47:420
7450920,0irq/46-4a10000029665-21runrttasks23:48:470
7450920,0irq/46-4a10000029011-21runrttasks22:12:470
7450920,0irq/46-4a10000027900-21chrt20:33:320
7450920,0irq/46-4a1000002531-21runrttasks20:53:390
7450920,0irq/46-4a10000024434-21fw_forwarded_lo23:33:140
7450920,0irq/46-4a10000019907-21runrttasks20:10:270
7450920,0irq/46-4a10000019808-21users21:43:420
7450920,0irq/46-4a10000016691-21runrttasks20:02:050
7450920,0irq/46-4a10000013554-21latency_hist23:02:340
7450910,0irq/46-4a100000828-21grep19:13:570
7450910,0irq/46-4a1000004748-21runrttasks19:27:300
7450910,0irq/46-4a100000439-21snmpd23:58:580
7450910,0irq/46-4a1000003487-21/usr/sbin/munin00:07:430
7450910,0irq/46-4a1000003108-21runrttasks22:31:190
7450910,0irq/46-4a10000029236-21/usr/sbin/munin20:38:040
7450910,0irq/46-4a10000025712-21chrt20:28:030
7450910,0irq/46-4a10000022138-21/usr/sbin/munin21:52:430
7450910,0irq/46-4a10000020972-21runrttasks21:48:170
7450910,0irq/46-4a10000018711-21sendmail-msp23:17:350
7450910,0irq/46-4a10000014185-21if_eth023:03:140
7450910,0irq/46-4a10000013454-21awk21:27:340
7450910,0irq/46-4a10000012070-21sed19:48:120
4462910,0sleep031857-1kworker/u3:020:48:470
7450900,0irq/46-4a1000008755-21fschecks_time19:38:080
7450900,0irq/46-4a1000007247-21df_inode00:17:580
7450900,0irq/46-4a1000005779-21runrttasks21:03:320
7450900,0irq/46-4a100000439-21snmpd21:10:450
7450900,0irq/46-4a10000032002-21chrt22:20:020
7450900,0irq/46-4a10000031498-21idleruntime-cro19:12:340
7450900,0irq/46-4a10000027598-21cstates23:42:540
7450900,0irq/46-4a10000022462-21grep20:18:080
7450900,0irq/46-4a10000021633-21vmstat23:23:410
7450900,0irq/46-4a10000020629-21diskstats20:13:010
7450900,0irq/46-4a10000013567-21/usr/sbin/munin21:28:330
7450900,0irq/46-4a10000011637-21https19:47:340
7450900,0irq/46-4a10000010984-21gzip21:18:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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