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2026-04-01 - 02:47
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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 highest latencies:
System rack4slot2.osadl.org (updated Wed Apr 01, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502170,0irq/45-4a1000002397-21kworker/0:119:01:170
85729610,0sleep0887-21swap23:27:000
7450940,0irq/46-4a1000002319-21runrttasks20:21:480
32572947,0sleep03282-21munin-run23:36:050
7450930,0irq/46-4a1000003798-21fschecks_time20:26:310
7450930,0irq/46-4a10000030742-21/usr/sbin/munin21:46:550
7450930,0irq/46-4a10000019249-21idleruntime22:46:380
7450930,0irq/46-4a10000019110-21diskstats19:36:290
7450930,0irq/46-4a10000016573-21fw_forwarded_lo00:16:350
7350930,0irq/45-4a10000025824-21df23:06:210
7450920,0irq/46-4a10000022466-21sshd19:46:230
7450920,0irq/46-4a10000019398-21latency_hist00:26:040
7350920,0irq/45-4a10000013550-21sendmail20:56:060
7450910,0irq/46-4a1000006896-21aten_r4power_vo22:11:140
7450910,0irq/46-4a1000006695-21munin-run22:11:050
7450910,0irq/46-4a100000460-21snmpd23:05:050
7450910,0irq/46-4a10000032653-21df21:51:210
7450910,0irq/46-4a10000024615-21ntp_states21:26:540
7450910,0irq/46-4a1000002239-21kernelversion21:56:430
7450910,0irq/46-4a10000019238-21/usr/sbin/munin21:11:380
7450910,0irq/46-4a10000014736-21users19:22:030
7450910,0irq/46-4a10000013916-1kworker/u3:200:26:380
7450910,0irq/46-4a10000012561-21awk00:06:040
7450910,0irq/46-4a10000011368-21users23:57:250
7450910,0irq/46-4a10000011233-21/usr/sbin/munin22:22:020
156752919,0sleep015678-21df_inode22:36:230
132792917,0sleep013280-21memory00:06:430
7450900,0irq/46-4a1000009747-21forks19:11:140
7450900,0irq/46-4a1000008303-21fschecks_count19:06:310
7450900,0irq/46-4a1000006635-21chrt20:35:460
7450900,0irq/46-4a10000029460-21grep23:16:330
7450900,0irq/46-4a10000028949-21latency_hist20:06:060
7450900,0irq/46-4a10000021756-21irqstats00:31:410
7450900,0irq/46-4a10000020725-21df_abs19:41:210
7450900,0irq/46-4a10000018656-21latency_hist19:36:050
1423229010,0sleep014272-21meminfo20:56:470
7450890,0irq/46-4a1000009152-21meminfo22:16:450
7450890,0irq/46-4a1000008832-21df_inode23:51:260
7450890,0irq/46-4a100000669-21chrt20:16:510
7450890,0irq/46-4a1000004022-21memory22:01:490
7450890,0irq/46-4a10000030873-21wget23:21:180
7450890,0irq/46-4a10000030737-21/usr/sbin/munin20:11:390
7450890,0irq/46-4a10000029308-21sed20:06:230
7450890,0irq/46-4a10000028938-21sendmail-msp23:16:060
7450890,0irq/46-4a10000027737-21fschecks_time21:36:310
7450890,0irq/46-4a10000024835-21switchtime19:52:020
7450890,0irq/46-4a10000023395-1kworker/u3:121:23:330
7450890,0irq/46-4a10000022564-21tune2fs22:56:310
7450890,0irq/46-4a10000021350-21which22:51:590
7450890,0irq/46-4a10000018411-21sshd21:09:150
7450890,0irq/46-4a10000013730-21/usr/sbin/munin22:31:160
7450890,0irq/46-4a10000012650-21ntp_states22:26:520
7450890,0irq/46-4a10000012438-21fw_packets19:16:410
7450890,0irq/46-4a10000010241-21/usr/sbin/munin20:46:430
7450880,0irq/46-4a1000009155-21/usr/sbin/munin20:41:480
7450880,0irq/46-4a1000007152-21runrttasks20:36:280
7450880,0irq/46-4a1000006795-21ls23:46:080
7450880,0irq/46-4a1000005296-21chrt23:41:190
7450880,0irq/46-4a1000003289-1kworker/u3:223:36:120
7450880,0irq/46-4a10000030214-21runrttasks21:42:490
7450880,0irq/46-4a10000026502-21/usr/sbin/munin21:31:590
7450880,0irq/46-4a10000026042-21tune2fs19:56:310
7450880,0irq/46-4a10000020809-21df_inode21:16:270
7450880,0irq/46-4a10000017691-21meminfo22:41:470
7450880,0irq/46-4a10000015371-21/usr/sbin/munin21:01:140
7450880,0irq/46-4a10000014958-21latency00:11:430
7450870,0irq/46-4a10000015368-21/usr/sbin/munin19:26:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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