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2026-04-11 - 10:19
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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 highest latencies:
System rackcslot2.osadl.org (updated Sat Apr 11, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41526854,9sleep10-21swapper/119:06:241
37426551,8sleep00-21swapper/019:05:590
924993410,0cyclictest0-21swapper/100:03:121
923993210,18cyclictest0-21swapper/023:50:090
923993010,2cyclictest0-21swapper/000:00:560
92399290,1cyclictest0-21swapper/021:51:370
92499280,26cyclictest14584-21diskmemload22:12:521
924992715,4cyclictest100150irq/106-eth1-rx22:46:041
92499270,23cyclictest0-21swapper/122:20:351
923992710,5cyclictest0-21swapper/000:26:120
92399270,2cyclictest0-21swapper/023:36:130
923992610,7cyclictest0-21swapper/000:34:140
92399260,4cyclictest0-21swapper/022:14:220
924992525,0cyclictest0-21swapper/123:36:431
924992519,5cyclictest13668-21apache222:59:321
92499251,23cyclictest13244-21ssh21:49:531
923992510,7cyclictest0-21swapper/022:19:300
924992410,7cyclictest0-21swapper/123:44:181
924992410,0cyclictest0-21swapper/121:28:081
923992410,4cyclictest0-21swapper/000:15:580
923992410,2cyclictest0-21swapper/000:07:310
923992410,13cyclictest0-21swapper/019:21:370
923992318,3cyclictest0-21swapper/022:12:040
923992311,6cyclictest0-21swapper/023:10:340
923992310,7cyclictest0-21swapper/021:09:230
923992310,5cyclictest0-21swapper/022:44:130
92499225,9cyclictest0-21swapper/100:14:231
92499223,11cyclictest0-21swapper/121:19:301
924992222,0cyclictest0-21swapper/121:19:071
924992216,4cyclictest13668-21apache223:43:341
924992210,4cyclictest0-21swapper/100:11:091
923992211,6cyclictest652-21nscd00:11:550
923992210,9cyclictest0-21swapper/021:33:020
923992210,3cyclictest0-21swapper/022:02:090
92399220,3cyclictest0-21swapper/019:29:260
1704622210,2sleep10-21swapper/122:40:361
14562220,0sleep10-21swapper/120:34:231
92499215,11cyclictest0-21swapper/122:29:111
924992118,3cyclictest13668-21apache221:43:291
924992116,2cyclictest0-21swapper/122:31:401
924992115,3cyclictest636-21nscd21:55:031
92499211,12cyclictest0-21swapper/121:04:251
924992110,6cyclictest0-21swapper/123:56:451
924992110,4cyclictest0-21swapper/119:49:321
924992110,3cyclictest0-21swapper/122:04:231
924992110,1cyclictest0-21swapper/119:29:291
92499210,13cyclictest0-21swapper/120:19:301
92399219,6cyclictest81ktimersoftd/023:14:240
92399214,8cyclictest0-21swapper/020:49:210
923992120,1cyclictest0-21swapper/019:54:380
923992119,1cyclictest802-21apache223:47:310
923992118,1cyclictest0-21swapper/021:25:370
923992114,3cyclictest81ktimersoftd/023:28:280
923992113,5cyclictest4459-21munin-node20:08:130
923992111,4cyclictest0-21swapper/022:52:220
923992111,4cyclictest0-21swapper/019:39:320
923992110,6cyclictest0-21swapper/022:54:210
923992110,3cyclictest0-21swapper/021:44:510
923992110,2cyclictest0-21swapper/023:54:550
923992110,1cyclictest0-21swapper/020:09:290
923992110,0cyclictest0-21swapper/022:24:200
92399210,0cyclictest0-21swapper/023:19:150
92499209,7cyclictest636-21nscd00:21:331
92499204,9cyclictest0-21swapper/119:14:261
92499203,3cyclictest0-21swapper/121:31:181
92499202,11cyclictest0-21swapper/121:09:231
92499201,9cyclictest0-21swapper/121:59:241
924992018,1cyclictest13668-21apache222:14:301
924992010,7cyclictest0-21swapper/123:07:121
924992010,6cyclictest0-21swapper/100:05:071
924992010,5cyclictest0-21swapper/123:25:241
924992010,5cyclictest0-21swapper/120:49:271
924992010,2cyclictest0-21swapper/100:29:201
92399207,4cyclictest636-21nscd00:21:350
92399205,8cyclictest0-21swapper/020:14:230
92399204,6cyclictest30426-21ntp_states22:59:290
92399202,3cyclictest0-21swapper/020:34:240
92399200,1cyclictest0-21swapper/022:42:480
318222010,0sleep00-21swapper/023:07:150
1809722010,0sleep00-21swapper/021:57:540
92499199,4cyclictest14584-21diskmemload23:21:041
92499198,9cyclictest12487-21apache_accesses19:39:231
924991917,1cyclictest0-21swapper/120:04:221
924991913,4cyclictest0-21swapper/122:51:401
924991910,6cyclictest0-21swapper/123:30:121
924991910,6cyclictest0-21swapper/119:19:271
924991910,5cyclictest0-21swapper/119:24:241
924991910,5cyclictest0-21swapper/100:29:101
924991910,2cyclictest0-21swapper/122:54:501
924991910,2cyclictest0-21swapper/120:59:231
924991910,2cyclictest0-21swapper/120:54:281
924991910,2cyclictest0-21swapper/120:44:271
924991910,1cyclictest0-21swapper/100:38:321
92399194,5cyclictest14584-21diskmemload23:39:230
92399193,7cyclictest0-21swapper/020:24:240
923991913,4cyclictest13668-21apache222:32:300
923991912,5cyclictest13639-21apache220:58:320
923991910,5cyclictest0-21swapper/023:29:240
923991910,4cyclictest0-21swapper/021:35:340
923991910,3cyclictest0-21swapper/021:39:230
923991910,3cyclictest0-21swapper/019:49:280
923991910,3cyclictest0-21swapper/019:44:200
923991910,1cyclictest0-21swapper/021:15:260
923991910,0cyclictest3929-21switchtime19:14:320
669421910,0sleep10-21swapper/123:11:531
112332190,1sleep10-21swapper/123:19:091
92499186,5cyclictest14584-21diskmemload21:34:291
924991817,1cyclictest13668-21apache221:45:461
924991812,2cyclictest0-21swapper/119:09:181
924991810,5cyclictest0-21swapper/120:14:231
924991810,4cyclictest0-21swapper/120:09:281
924991810,2cyclictest0-21swapper/123:49:221
92499180,9cyclictest0-21swapper/119:44:281
92399185,10cyclictest0-21swapper/022:04:230
92399183,9cyclictest0-21swapper/021:04:280
92399181,1cyclictest0-21swapper/020:29:270
923991810,3cyclictest0-21swapper/021:19:240
923991810,3cyclictest0-21swapper/020:39:210
923991810,0cyclictest28055-21ssh00:29:220
92499172,8cyclictest0-21swapper/120:39:291
924991711,1cyclictest0-21swapper/120:29:231
924991710,2cyclictest0-21swapper/119:34:241
924991710,0cyclictest0-21swapper/122:35:161
92399177,7cyclictest12613-21munin-run21:04:120
92399175,6cyclictest0-21swapper/020:44:300
92399174,6cyclictest0-21swapper/022:34:350
92399173,7cyclictest0-21swapper/019:34:280
92499165,3cyclictest18363-21cpuspeed_turbos19:54:231
92499153,7cyclictest0-21swapper/119:59:231
923991513,1cyclictest100150irq/106-eth1-rx19:26:560
923991510,2cyclictest28308-21if_err_eth120:19:260
923991510,0cyclictest0-21swapper/020:02:200
923991410,2cyclictest0-21swapper/019:09:320
3130221410,0sleep10-21swapper/120:26:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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