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2026-04-15 - 22:37
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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 all highest latencies:
System rack4slot2.osadl.org (updated Wed Apr 15, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502430,0irq/46-4a10000013538-1kworker/u3:207:02:520
7450960,0irq/46-4a10000026148-21awk09:11:240
7450960,0irq/46-4a10000016959-21/usr/sbin/munin08:45:440
7450950,0irq/46-4a10000027672-21memory07:41:160
7450940,0irq/46-4a10000025956-21meminfo07:36:110
7450940,0irq/46-4a10000025658-21diskstats10:45:540
7450940,0irq/46-4a10000024924-21chrt10:43:070
7450940,0irq/46-4a10000020493-21df_abs10:30:510
7450940,0irq/46-4a10000017282-21fw_packets11:56:050
7450940,0irq/46-4a10000016369-21sensors_temp07:06:260
7350940,0irq/45-4a10000014512-1kworker/u3:208:38:140
79262930,0sleep07907-1kworker/u3:211:28:550
7450930,0irq/46-4a10000017127-21runrttasks10:20:550
7350930,0irq/45-4a1000004428-1kworker/u3:211:19:120
7350930,0irq/45-4a10000029939-1kworker/u3:211:01:440
15372999361,0cyclictest0-21swapper07:20:410
7450920,0irq/46-4a10000030773-21diskstats07:50:550
7450920,0irq/46-4a10000025791-21fschecks_time12:21:010
7450920,0irq/46-4a10000022812-21/usr/sbin/munin12:11:270
7450920,0irq/46-4a10000020483-21/usr/sbin/munin12:05:480
7450920,0irq/46-4a10000020228-21/usr/sbin/munin08:56:230
7450920,0irq/46-4a10000018745-21df_abs12:00:480
7450920,0irq/46-4a10000016519-21chrt08:44:180
7450920,0irq/46-4a10000012199-21irqstats08:31:070
15372999259,0cyclictest0-21swapper08:20:560
15372999259,0cyclictest0-21swapper08:16:050
15372999257,0cyclictest0-21swapper08:50:420
7450910,0irq/46-4a1000008908-21seq09:56:150
7450910,0irq/46-4a1000004889-21/usr/sbin/munin11:20:410
7450910,0irq/46-4a10000032646-21/usr/sbin/munin11:06:060
7450910,0irq/46-4a10000032186-21/usr/sbin/munin07:56:020
7450910,0irq/46-4a10000030752-21sed09:25:490
7450910,0irq/46-4a10000029358-21meminfo07:46:120
7450910,0irq/46-4a10000024264-21/usr/sbin/munin12:16:120
7450910,0irq/46-4a10000023605-21wc07:30:360
7450910,0irq/46-4a10000021874-21latency_hist07:25:340
7450910,0irq/46-4a10000018981-21fw_forwarded_lo07:16:030
7450910,0irq/46-4a10000015575-21idleruntime10:16:030
7450910,0irq/46-4a10000014966-21awk10:15:310
7450910,0irq/46-4a10000012750-21users11:41:290
7450910,0irq/46-4a10000011052-21/usr/sbin/munin11:36:320
7450910,0irq/46-4a10000010579-21seq10:01:130
7450910,0irq/46-4a10000010016-21aten_r4power_en08:25:420
15372999159,0cyclictest0-21swapper09:35:440
7450900,0irq/46-4a1000005266-21fschecks_time08:11:000
7450900,0irq/46-4a100000460-21snmpd09:09:340
7450900,0irq/46-4a1000004461-21chrt08:08:400
7450900,0irq/46-4a1000004359-21chrt09:42:380
7450900,0irq/46-4a10000030332-21cron09:25:300
7450900,0irq/46-4a10000030078-21chrt10:58:210
7450900,0irq/46-4a1000002891-21chrt11:14:400
7450900,0irq/46-4a10000027511-21/usr/sbin/munin10:51:020
7450900,0irq/46-4a10000027365-21df_inode09:15:500
7450900,0irq/46-4a10000027060-21/usr/sbin/munin12:26:280
7450900,0irq/46-4a10000022393-21fw_forwarded_lo09:01:030
7450900,0irq/46-4a10000019111-21meminfo10:26:120
7450900,0irq/46-4a10000018394-21sendmail07:15:310
7450900,0irq/46-4a10000016672-21sh11:55:310
7450890,0irq/46-4a1000008566-21df_inode11:30:520
7450890,0irq/46-4a1000005438-21meminfo09:46:110
7450890,0irq/46-4a10000032581-21tune2fs09:30:580
7450890,0irq/46-4a10000023103-21seq10:37:130
7450890,0irq/46-4a1000001727-21df_inode08:00:520
7450890,0irq/46-4a10000012239-21latency10:06:090
15372998955,0cyclictest0-21swapper12:31:040
7450880,0irq/46-4a1000007224-21/usr/sbin/munin09:51:200
7450880,0irq/46-4a10000013460-21aten_r4power_po11:45:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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