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2025-02-07 - 08:54
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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 Fri Feb 07, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502260,0irq/45-4a1000007622-21kworker/0:018:58:410
7450960,0irq/46-4a10000029877-21aten_r4power_po23:02:010
7450960,0irq/46-4a10000025686-21runrttasks19:22:500
7450950,0irq/46-4a10000027899-21seq22:52:280
7450930,0irq/46-4a1000003128-21wget19:52:050
7450930,0irq/46-4a10000013042-21interrupts23:52:240
7450920,0irq/46-4a1000003863-21runrttasks21:31:580
7450920,0irq/46-4a10000032033-21irqstats23:07:260
7450920,0irq/46-4a10000028463-21tr19:31:440
7450920,0irq/46-4a10000025053-21latency_hist19:21:460
7450920,0irq/46-4a10000020658-21sshd20:42:490
7450920,0irq/46-4a10000020010-21munin-run20:41:450
7450910,0irq/46-4a1000009926-21proc_pri23:43:370
7450910,0irq/46-4a100000768-21/usr/sbin/munin23:12:350
7450910,0irq/46-4a1000007460-21sshd20:03:490
7450910,0irq/46-4a1000007078-21processes21:42:340
7450910,0irq/46-4a10000026273-21/usr/sbin/munin22:48:210
7450910,0irq/46-4a10000026102-21rt-features20:57:380
7450910,0irq/46-4a10000023451-21sendmail20:51:440
7450910,0irq/46-4a10000022547-21seq00:26:530
7450910,0irq/46-4a10000021489-21/usr/sbin/munin00:22:330
7450910,0irq/46-4a10000020415-21/usr/sbin/munin22:27:350
7450910,0irq/46-4a10000019588-21fw_conntrack19:06:550
7450910,0irq/46-4a10000017635-21wc00:07:450
7450910,0irq/46-4a10000012157-21chrt22:01:530
7450910,0irq/46-4a10000011873-21df_inode20:17:080
7450910,0irq/46-4a10000011207-1kworker/u3:122:00:190
201772910,0chrt20102-1kworker/u3:100:17:270
7450900,0irq/46-4a1000008941-21munin-run23:41:440
7450900,0irq/46-4a1000006154-21munin-run21:41:440
7450900,0irq/46-4a1000005005-21grep23:27:000
7450900,0irq/46-4a100000417-21aten_r4power_cu21:21:570
7450900,0irq/46-4a10000030204-21latency_hist19:36:450
7450900,0irq/46-4a10000027260-21df_abs21:02:100
7450900,0irq/46-4a10000021486-21/usr/sbin/munin22:32:410
7450900,0irq/46-4a10000018042-1kworker/u3:022:44:250
7450900,0irq/46-4a10000017709-21/usr/sbin/munin19:02:410
7450900,0irq/46-4a10000017325-21meminfo20:32:300
7450900,0irq/46-4a10000014855-21munin-run20:26:450
7450900,0irq/46-4a10000014579-21ntp_states22:07:370
7450900,0irq/46-4a1000001291-21aten_r4power_cu19:46:590
7450900,0irq/46-4a10000010996-21df23:47:070
7450900,0irq/46-4a10000010326-21meminfo21:52:260
168162900,0chrt16746-1kworker/u3:522:13:540
7450890,0irq/46-4a1000007169-21/usr/sbin/munin23:32:230
7450890,0irq/46-4a1000005569-21sshd19:57:490
7450890,0irq/46-4a10000032496-21/usr/sbin/munin19:42:250
7450890,0irq/46-4a10000032034-21runrttasks21:16:430
7450890,0irq/46-4a10000030272-21cron21:11:420
7450890,0irq/46-4a10000024718-21runrttasks20:53:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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