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2025-12-30 - 03:45
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot2.osadl.org (updated Tue Dec 30, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2311227058,8sleep10-21swapper/119:04:551
2476526452,8sleep00-21swapper/019:07:130
124872610,0sleep10-21swapper/121:56:221
271132600,0sleep10-21swapper/122:56:031
25203993410,0cyclictest0-21swapper/123:33:481
25202993027,1cyclictest3508-21/usr/sbin/munin23:50:130
25203992910,10cyclictest0-21swapper/121:45:061
278352270,0sleep00-21swapper/023:39:550
25203992626,0cyclictest0-21swapper/121:30:431
25203992610,10cyclictest0-21swapper/100:11:421
25202992619,1cyclictest0-21swapper/023:12:410
25202992613,4cyclictest0-21swapper/022:08:270
2520299250,24cyclictest0-21swapper/022:20:060
2520299250,14cyclictest0-21swapper/021:00:180
25203992410,7cyclictest0-21swapper/122:48:101
25202992424,0cyclictest0-21swapper/022:45:310
25202992422,1cyclictest770-21irqbalance22:37:450
25202992420,2cyclictest0-21swapper/000:34:590
25202992410,14cyclictest0-21swapper/021:15:370
25202992410,10cyclictest0-21swapper/020:35:110
25203992317,3cyclictest12260-21apache222:14:181
25203992313,7cyclictest100250irq/107-eth1-rx22:32:101
25203992310,6cyclictest0-21swapper/122:07:041
25203992310,0cyclictest0-21swapper/121:53:441
2520299238,11cyclictest0-21swapper/023:46:230
2520299237,11cyclictest0-21swapper/019:55:160
25202992312,5cyclictest1199-21runrttasks21:33:530
25202992310,8cyclictest0-21swapper/019:20:140
25202992310,7cyclictest0-21swapper/023:15:130
25202992310,6cyclictest0-21swapper/021:49:110
25202992310,3cyclictest0-21swapper/020:55:070
2520399228,8cyclictest0-21swapper/123:50:091
2520399227,12cyclictest0-21swapper/121:15:131
25203992222,0cyclictest0-21swapper/120:54:061
2520399222,19cyclictest7010-21ssh23:12:161
25203992220,1cyclictest0-21swapper/100:38:231
25203992219,3cyclictest12260-21apache200:29:031
2520399221,17cyclictest0-21swapper/123:40:481
25203992210,7cyclictest100250irq/107-eth1-rx23:35:361
25203992210,10cyclictest0-21swapper/122:52:521
2520299226,11cyclictest0-21swapper/000:18:270
2520299223,18cyclictest0-21swapper/022:13:240
25202992221,0cyclictest7882-21ls21:50:140
25202992210,8cyclictest0-21swapper/020:08:360
25202992210,7cyclictest0-21swapper/021:44:350
2520299220,13cyclictest0-21swapper/023:30:160
1415722210,0sleep10-21swapper/123:21:121
286612210,1sleep00-21swapper/022:59:050
25203992121,0cyclictest0-21swapper/121:12:051
25203992117,3cyclictest12273-21apache200:05:011
25203992114,5cyclictest0-21swapper/122:20:191
25203992112,7cyclictest100150irq/106-eth1-rx23:01:341
25203992110,7cyclictest0-21swapper/120:39:501
25203992110,4cyclictest0-21swapper/100:18:151
25203992110,0cyclictest0-21swapper/119:30:111
2520399210,19cyclictest0-21swapper/121:22:271
2520399210,17cyclictest0-21swapper/123:15:081
25202992117,3cyclictest19752-21munin-node23:05:020
25202992110,4cyclictest0-21swapper/000:00:070
1571122110,0sleep10-21swapper/122:41:361
25203992018,1cyclictest231ktimersoftd/121:40:071
25203992017,2cyclictest100150irq/106-eth1-rx23:05:091
25203992016,4cyclictest744-21snmpd00:34:141
25203992014,5cyclictest802-21apache219:25:201
25203992014,3cyclictest231ktimersoftd/119:19:551
25203992010,8cyclictest0-21swapper/123:49:311
2520299209,7cyclictest0-21swapper/019:30:060
2520299202,9cyclictest167-21systemd-journal20:30:240
25202992018,1cyclictest1199-21runrttasks19:19:290
25202992015,4cyclictest636-21nscd23:00:030
25202992012,3cyclictest0-21swapper/022:25:130
25202992010,6cyclictest167-21systemd-journal22:52:310
25202992010,5cyclictest0-21swapper/022:00:120
25202992010,0cyclictest0-21swapper/000:22:220
1754822010,0sleep10-21swapper/122:03:201
2520399199,5cyclictest20993-21unixbench_singl20:20:151
2520399193,8cyclictest0-21swapper/120:10:101
25203991918,1cyclictest12260-21apache221:36:461
25203991911,3cyclictest0-21swapper/120:58:241
25203991910,7cyclictest0-21swapper/119:10:091
25203991910,5cyclictest0-21swapper/123:57:371
25203991910,2cyclictest0-21swapper/122:15:361
2520299195,5cyclictest16857-21/usr/sbin/munin23:25:080
2520299194,10cyclictest0-21swapper/019:50:060
25202991915,1cyclictest0-21swapper/000:26:250
25202991914,4cyclictest12260-21apache223:37:280
25202991912,4cyclictest0-21swapper/000:34:530
2520299191,10cyclictest0-21swapper/021:25:090
25202991910,9cyclictest0-21swapper/021:38:590
25202991910,6cyclictest0-21swapper/020:44:270
25202991910,6cyclictest0-21swapper/000:07:300
25202991910,5cyclictest0-21swapper/019:10:070
25202991910,5cyclictest0-21swapper/000:11:230
25202991910,3cyclictest0-21swapper/022:43:290
25202991910,3cyclictest0-21swapper/020:20:120
2520299190,1cyclictest0-21swapper/019:35:160
1883821910,0sleep10-21swapper/123:27:461
2520399187,9cyclictest0-21swapper/119:40:141
2520399185,8cyclictest0-21swapper/122:35:121
2520399184,10cyclictest0-21swapper/120:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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