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2026-03-26 - 04:32
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Thu Mar 26, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012660,0irq/46-4a10000021788-1kworker/u3:219:02:160
7350870,0irq/45-4a10000022305-1kworker/u3:223:46:160
7350850,0irq/45-4a10000030210-21latency00:06:570
7350840,0irq/45-4a10000023084-21df_inode22:11:400
7450810,0irq/46-4a1000007406-1kworker/u3:219:56:350
7450810,0irq/46-4a100000460-21snmpd22:52:360
7450810,0irq/46-4a100000460-21snmpd21:47:010
7450810,0irq/46-4a10000012444-21sendmail-msp23:16:190
23793998156,0cyclictest0-21swapper22:36:320
7450800,0irq/46-4a10000022821-21wget20:36:270
7350800,0irq/45-4a100000460-21snmpd21:41:590
7350800,0irq/45-4a10000030276-21missed_timers19:22:020
7450790,0irq/46-4a100000460-21snmpd20:56:280
7450790,0irq/46-4a1000003852-21cron22:51:180
7450790,0irq/46-4a10000019764-1kworker/u3:122:41:310
7450790,0irq/46-4a10000018694-1kworker/u3:220:26:330
7450790,0irq/46-4a10000014057-21chrt20:11:010
208622790,0chrt19764-1kworker/u3:122:05:380
7450780,0irq/46-4a1000008318-21sensors23:02:120
7450780,0irq/46-4a100000460-21snmpd21:16:430
7450780,0irq/46-4a10000028619-21ntp_states22:27:050
7450780,0irq/46-4a10000026081-21cron22:21:170
7450780,0irq/46-4a10000025606-1kworker/u3:023:55:040
7450780,0irq/46-4a10000014549-21seq20:11:410
7350780,0irq/45-4a1000009428-21df_inode21:31:400
7350780,0irq/45-4a10000031515-21cstates19:26:330
7350780,0irq/45-4a1000002348-21aten_r4power_po21:11:300
7450770,0irq/46-4a1000004918-1kworker/u3:200:27:160
7450770,0irq/46-4a100000460-21snmpd23:37:590
7450770,0irq/46-4a100000460-21snmpd23:22:520
7450770,0irq/46-4a10000030996-1kworker/u3:200:16:180
7450770,0irq/46-4a10000027966-21wget00:01:270
7450770,0irq/46-4a10000027658-21chrt22:25:140
7450770,0irq/46-4a10000021661-21ls22:06:590
7450770,0irq/46-4a10000013873-1kworker/u3:121:51:580
7450770,0irq/46-4a10000012366-21chrt20:06:040
7350770,0irq/45-4a100000849-21df_abs19:31:390
7350770,0irq/45-4a1000002622-21diskstats00:21:400
7350770,0irq/45-4a10000023791-21cyclictest21:07:120
7450760,0irq/46-4a1000008641-21chrt21:28:280
7450760,0irq/46-4a1000008433-21unixbench_singl19:52:180
7450760,0irq/46-4a1000006025-21chrt22:56:390
7450760,0irq/46-4a100000460-21snmpd21:36:570
7450760,0irq/46-4a1000003579-21seq19:38:590
7450760,0irq/46-4a10000029046-21runrttasks19:17:360
7450760,0irq/46-4a10000026705-1kworker/u3:119:12:380
7450760,0irq/46-4a10000026204-1kworker/u3:020:51:180
7450760,0irq/46-4a10000024014-21wget19:06:310
7450760,0irq/46-4a10000023498-21awk23:47:070
7450760,0irq/46-4a1000002015-1kworker/u3:019:46:490
7450760,0irq/46-4a10000019764-1kworker/u3:122:35:000
7450760,0irq/46-4a10000017701-21wget21:56:280
7450760,0irq/46-4a10000015465-1kworker/u3:123:57:000
7450760,0irq/46-4a10000012392-1kworker/u3:023:26:340
7350760,0irq/45-4a10000016179-21df20:16:340
7450750,0irq/46-4a1000007301-1kworker/u3:123:07:140
7450750,0irq/46-4a1000005467-1kworker/u3:221:21:330
7450750,0irq/46-4a10000030996-1kworker/u3:200:19:350
7450750,0irq/46-4a10000028226-1kworker/u3:221:01:280
7450750,0irq/46-4a10000028226-1kworker/u3:220:56:190
7450750,0irq/46-4a10000024418-1kworker/u3:220:42:210
7450750,0irq/46-4a10000021077-21/usr/sbin/munin20:31:560
7450750,0irq/46-4a1000002015-1kworker/u3:019:41:400
7450750,0irq/46-4a10000018057-21fschecks_time23:31:440
7450750,0irq/46-4a10000013650-21chrt23:17:230
179812750,0sleep010651-1kworker/u3:020:21:400
7450740,0irq/46-4a1000004918-1kworker/u3:200:31:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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