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2025-11-23 - 21:07
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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 Sun Nov 23, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a10000029841-21runrttasks07:05:110
302569910576,0cyclictest2020-21apt-get10:30:260
302569910380,0cyclictest32310-21sshd08:45:200
302569910379,0cyclictest5901-21diskstats10:38:420
302569910377,0cyclictest14901-21ntp_states11:04:280
302569910281,0cyclictest7196-21apt-get09:08:260
302569910281,0cyclictest5817-21diskstats09:03:440
302569910281,0cyclictest12753-21df12:33:360
302569910280,0cyclictest329-21/usr/sbin/munin08:49:200
302569910280,0cyclictest27962-21diskstats08:33:420
302569910280,0cyclictest11443-21/usr/sbin/munin07:44:160
302569910278,0cyclictest16178-21diskstats11:08:450
302569910277,0cyclictest32717-21runrttasks07:13:500
302569910272,0cyclictest7601-21wc12:18:340
302569910267,0cyclictest29556-21/usr/sbin/munin11:48:240
302569910182,0cyclictest10703-21modprobe12:28:140
302569910180,0cyclictest3560-21cat07:23:170
302569910180,0cyclictest19276-21/usr/sbin/munin11:20:430
302569910179,0cyclictest18042-21fw_forwarded_lo11:13:550
302569910179,0cyclictest17679-21diskstats08:03:420
302569910177,0cyclictest12274-21copy09:23:460
302569910176,0cyclictest17482-21apt-get09:38:290
302569910175,0cyclictest26368-21df11:38:380
302569910173,0cyclictest5720-21cut07:28:540
302569910171,0cyclictest24874-21tune2fs11:33:520
302569910079,0cyclictest29334-21apt10:13:140
302569910079,0cyclictest2393-21diskstats08:53:540
302569910079,0cyclictest20150-21users08:09:200
302569910079,0cyclictest13054-21meminfo10:59:030
302569910079,0cyclictest10707-21sshd10:53:240
302569910078,0cyclictest4177-21df_inode10:33:490
302569910078,0cyclictest23778-21users11:29:200
302569910078,0cyclictest22837-21diskstats08:18:430
302569910076,0cyclictest31137-21copy10:18:460
302569910076,0cyclictest20905-21apt-get09:48:330
302569910076,0cyclictest11913-1kworker/u3:109:21:000
302569910071,0cyclictest8093-21grep07:34:160
302569910070,0cyclictest30978-21irqstats07:09:300
30256999980,0cyclictest6284-21meminfo12:14:020
30256999979,0cyclictest29988-21meminfo08:39:010
30256999979,0cyclictest14574-21fw_forwarded_lo09:29:240
30256999978,0cyclictest3579-21copy07:23:430
30256999978,0cyclictest21472-21fw_forwarded_lo11:23:550
30256999978,0cyclictest15952-21df_inode07:58:390
30256999978,0cyclictest12523-21diskstats07:48:440
30256999976,0cyclictest3961-21apt-get12:08:300
30256999976,0cyclictest29484-21seq10:13:310
30256999976,0cyclictest24947-21meminfo09:59:010
30256999976,0cyclictest16368-21meminfo09:34:060
30256999976,0cyclictest1002-21fw_conntrack11:58:500
30256999975,0cyclictest26396-21fw_forwarded_lo08:28:510
30256999970,0cyclictest4091-21df_inode08:58:410
30256999970,0cyclictest19207-21runrttasks09:43:290
30256999968,0cyclictest2480-21df12:03:370
30256999878,0cyclictest9467-21fw_forwarded_lo10:48:530
30256999878,0cyclictest14527-21meminfo07:54:020
30256999877,0cyclictest7513-21df10:43:350
30256999877,0cyclictest26235-21/usr/sbin/munin10:03:330
30256999877,0cyclictest20791-21chrt08:13:270
30256999876,0cyclictest9488-21ntp_kernel_pll_07:39:110
30256999876,0cyclictest463-21runrttasks10:23:310
30256999876,0cyclictest22828-21df09:53:360
30256999875,0cyclictest31738-21fw_conntrack11:53:510
30256999875,0cyclictest24847-21memory08:24:030
30256999873,0cyclictest27862-21modprobe11:43:260
30256999873,0cyclictest12412-21chrt12:33:140
30256999775,0cyclictest8919-21chrt09:13:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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