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2025-12-01 - 11:09
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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 rack7slot3.osadl.org (updated Mon Dec 01, 2025 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2625999265237cyclictest25086-21munin-run21:21:360
2625999264234cyclictest7733-21munin-run22:26:240
2625999259230cyclictest2872-21snmpd19:07:440
2625999259227cyclictest32248-21df_inode21:52:020
2625999258232cyclictest4445-21tr00:33:110
2625999257231cyclictest21503-21diskmemload21:42:330
2625999257230cyclictest21210-21runrttasks23:24:050
2625999257225cyclictest28008-21ntp_states23:53:380
262599925575cyclictest22703-21munin-run23:31:230
262599925553cyclictest27614-21df21:31:540
2625999255231cyclictest4439-21chrt19:51:450
2625999255229cyclictest24111-21latency_hist21:17:050
262599925490cyclictest19216-21sendmail20:56:170
2625999254221cyclictest14893-21fschecks_time20:36:570
262599925387cyclictest27363-21cpu23:51:320
2625999253227cyclictest28692-21df23:57:100
2625999253227cyclictest2711-21ssh22:03:380
2625999251227cyclictest30598-21df_inode00:07:000
2625999251227cyclictest11298-21df22:41:390
2625999251225cyclictest29665-21netwatch19:21:040
2625999251224cyclictest16823-21ssh23:05:270
2625999251220cyclictest32163-21df19:31:410
262599925090cyclictest1840-21sh22:01:060
262599925090cyclictest12205-21netwatch20:24:560
262599925089cyclictest3581-21if_err_eth022:07:340
262599925083cyclictest31946-21chrt19:30:580
2625999250225cyclictest954-21ssh00:18:330
2625999250223cyclictest1806-21ifplugd21:22:320
2625999250222cyclictest21503-21diskmemload22:57:260
2625999250221cyclictest14612-21sendmail20:36:160
2625999250220cyclictest2872-21snmpd22:14:090
262599924988cyclictest6439-21netwatch19:59:480
262599924986cyclictest14888-21latency_hist22:57:050
262599924865cyclictest23783-21ssh23:35:530
2625999248226cyclictest30906-21kernelversion00:07:510
2625999248223cyclictest11213-21cpu20:21:300
2625999248220cyclictest26328-21cat23:46:550
2625999248217cyclictest29056-21basename21:37:420
2625999247221cyclictest22500-21netwatch21:10:010
2625999247214cyclictest31257-21grep21:47:210
2625999247214cyclictest20578-21df_inode23:21:560
2625999247214cyclictest1908-21wc00:22:510
262599924689cyclictest6783-21df_inode22:21:560
2625999246220cyclictest28760-21ls21:36:490
262599924551cyclictest30829-21latency_hist19:26:390
2625999245221cyclictest18786-21apt-get23:13:210
2625999245221cyclictest13487-21/usr/sbin/munin22:51:380
2625999245220cyclictest9131-21ssh22:32:100
2625999245219cyclictest19576-21munin-node0
2625999245218cyclictest1174-21grep19:37:250
2625999244219cyclictest9200-21if_err_eth020:12:020
2625999244211cyclictest17446-21irqstats23:07:470
262599924383cyclictest17927-21chrt20:49:380
2625999243219cyclictest32586-21ssh00:15:450
262599924250cyclictest8342-21ssh22:28:080
2625999242214cyclictest12109-21ssh22:44:440
2625999241215cyclictest6954-21irqstats20:02:090
2625999241215cyclictest2856-21df_inode00:27:030
2625999241212cyclictest21575-21ssh21:06:320
262599924094cyclictest26260-21latency_hist19:06:240
262599924082cyclictest2238-21munin-node0
2625999240212cyclictest3365-21tune2fs19:46:520
2625999239213cyclictest2938-21runrttasks20:42:190
2625999239213cyclictest25003-21/usr/sbin/munin23:41:400
2625999239209cyclictest8916-21cpu20:11:290
2625999238211cyclictest2872-21snmpd20:28:010
2625999238211cyclictest28216-21sed19:13:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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