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2025-12-02 - 09:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 100 highest latencies:
System rack9slot4.osadl.org (updated Tue Dec 02, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6510111780sleep0-21swapper/119:54:271
6630110975sleep0-21swapper/019:54:320
6850991088cyclictest0-21swapper/023:04:040
68509910671cyclictest0-21swapper/000:59:110
685099977cyclictest0-21swapper/000:54:060
685099954cyclictest7758-21/usr/sbin/munin19:55:080
6850999510cyclictest0-21swapper/021:55:220
6850999510cyclictest0-21swapper/021:55:220
685099938cyclictest0-21swapper/023:45:150
685099938cyclictest0-21swapper/023:10:190
685099929cyclictest0-21swapper/022:38:260
685099929cyclictest0-21swapper/022:38:260
6850999253cyclictest0-21swapper/000:40:060
6850999253cyclictest0-21swapper/000:40:060
685099918cyclictest0-21swapper/022:01:010
6850999110cyclictest0-21swapper/020:56:570
685099908cyclictest0-21swapper/000:11:090
6850999010cyclictest0-21swapper/023:07:000
685099898cyclictest0-21swapper/023:30:100
685099889cyclictest0-21swapper/023:24:040
6850998811cyclictest0-21swapper/020:52:570
6850998716cyclictest0-21swapper/001:16:110
5350870irq/18-pch-dma0-21swapper/021:19:410
5350870irq/18-pch-dma0-21swapper/021:19:410
685099869cyclictest0-21swapper/022:14:360
685099868cyclictest0-21swapper/020:40:140
685099868cyclictest0-21swapper/020:00:080
6850998673cyclictest29428-21latency_hist23:19:440
685099867cyclictest0-21swapper/020:45:220
6856998546cyclictest7825-21/usr/sbin/munin21:40:091
685099858cyclictest0-21swapper/022:45:130
685099858cyclictest0-21swapper/021:35:160
685099858cyclictest0-21swapper/020:05:090
685099857cyclictest0-21swapper/022:08:290
685099857cyclictest0-21swapper/000:35:310
6856998445cyclictest4145-21/usr/sbin/munin21:29:551
6856998445cyclictest18625-21/usr/sbin/munin00:50:171
6856998445cyclictest12773-21/usr/sbin/munin22:50:121
6856998445cyclictest12216-21/usr/sbin/munin20:10:051
685099848cyclictest0-21swapper/022:27:010
685099848cyclictest0-21swapper/021:05:200
6856998347cyclictest30647-21/usr/sbin/munin23:20:241
6856998346cyclictest21823-21ntp_states20:40:141
6856998345cyclictest23114-21sh23:08:301
6856998345cyclictest15481-21/usr/sbin/munin20:20:071
6856998345cyclictest12890-21ntp_states00:40:321
6856998345cyclictest12890-21ntp_states00:40:321
6856998344cyclictest27668-21/usr/sbin/munin00:10:251
6856998344cyclictest24743-21irqstats20:50:111
6856998344cyclictest15823-21ntp_states23:50:211
685099838cyclictest0-21swapper/020:10:080
6850998313cyclictest31ksoftirqd/022:44:430
5350830irq/18-pch-dma0-21swapper/021:24:550
6856998266cyclictest9890-21/usr/sbin/munin23:40:171
6856998263cyclictest25536-21ssh00:07:051
6856998246cyclictest32154-21/usr/sbin/munin21:15:011
6856998246cyclictest32154-21/usr/sbin/munin21:15:011
6856998246cyclictest1024-21nfs4_client23:25:171
6856998245cyclictest32256-21ssh22:29:161
6856998245cyclictest10747-21sh00:37:031
6856998244cyclictest19781-21ssh23:02:221
6856998244cyclictest18808-21open_inodes23:55:221
6856998244cyclictest18808-21open_inodes23:55:221
6856998244cyclictest1510-21ssh00:20:531
6856998244cyclictest13712-21/usr/sbin/munin20:15:031
685099828cyclictest0-21swapper/022:55:140
685099828cyclictest0-21swapper/000:49:470
685099827cyclictest0-21swapper/021:00:590
6850998258cyclictest0-21swapper/001:10:220
6850998214cyclictest31ksoftirqd/021:50:120
6856998145cyclictest9360-21ntp_states20:00:121
6856998145cyclictest15210-21ssh21:59:591
6856998145cyclictest14072-21ssh21:57:481
6856998145cyclictest14072-21ssh21:57:481
6856998144cyclictest30584-21df_inode21:09:591
6856998144cyclictest28024-21/usr/sbin/munin21:00:111
6856998144cyclictest19488-21ssh22:06:231
6856998143cyclictest2794-21df21:24:561
6856998143cyclictest15152-21/usr/sbin/munin00:45:061
685099818cyclictest0-21swapper/020:15:080
6850998159cyclictest0-21swapper/021:45:160
6850998142cyclictest0-21swapper/022:50:250
6850998114cyclictest31ksoftirqd/023:55:150
6850998114cyclictest31ksoftirqd/023:55:150
6856998065cyclictest7973-21ssh23:37:221
6856998044cyclictest3298-21df_inode01:20:051
6856998044cyclictest25445-21ssh01:01:571
6856998044cyclictest20929-21/usr/sbin/munin22:09:581
6856998044cyclictest18701-21ntp_states20:30:111
6856998043cyclictest3031-21ssh23:29:511
6856998043cyclictest29045-21forks21:05:011
6856998043cyclictest15022-21/usr/sbin/munin22:54:561
6856998043cyclictest10986-21irqstats21:50:071
6856998042cyclictest24010-21df_inode23:10:011
6850998071cyclictest5350irq/18-pch-dma22:30:040
6856997945cyclictest7945-21ssh00:32:271
6856997945cyclictest20689-21ssh00:54:551
6856997944cyclictest304-21snmpd20:46:501
6856997943cyclictest8139-21ssh22:42:451
6856997942cyclictest31231-21ssh01:11:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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