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2025-12-12 - 04:29
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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 all highest latencies:
System rackcslot2.osadl.org (updated Fri Dec 12, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1906027250,17sleep10-21swapper/119:05:381
130572710,1sleep10-21swapper/123:36:531
1887026856,8sleep00-21swapper/019:03:380
19340993810,0cyclictest0-21swapper/123:17:521
19340993635,1cyclictest0-21swapper/122:37:071
19340993510,24cyclictest0-21swapper/122:22:551
19340993010,14cyclictest0-21swapper/122:43:341
19340992727,0cyclictest0-21swapper/122:05:171
1933999270,26cyclictest0-21swapper/019:56:370
19340992626,0cyclictest0-21swapper/120:06:421
19340992625,1cyclictest0-21swapper/119:54:321
19340992624,0cyclictest97850irq/107-eth1-rx23:42:171
19340992619,5cyclictest13279-21apache220:45:061
19339992620,5cyclictest13279-21apache223:37:400
19340992521,3cyclictest3367-21ssh00:10:451
1933999254,7cyclictest0-21swapper/020:01:500
1933999250,4cyclictest0-21swapper/023:32:550
19340992410,10cyclictest0-21swapper/122:29:261
1933999241,22cyclictest0-21swapper/000:22:000
19339992410,5cyclictest0-21swapper/021:01:540
1933999240,23cyclictest0-21swapper/022:33:010
19340992322,1cyclictest13279-21apache223:50:231
19340992321,1cyclictest13279-21apache221:52:291
19340992319,1cyclictest31884-21sh22:32:271
19340992310,4cyclictest0-21swapper/100:21:521
19340992310,12cyclictest0-21swapper/123:27:171
1934099230,1cyclictest9972-21ssh21:17:381
19339992318,4cyclictest0-21swapper/020:56:580
1933999231,16cyclictest10419-21kworker/u4:021:29:300
1933999230,6cyclictest0-21swapper/000:27:020
1934099222,11cyclictest480-21diskmemload00:16:561
19340992216,3cyclictest13281-21apache223:12:241
19340992210,7cyclictest0-21swapper/100:11:521
19340992210,5cyclictest0-21swapper/123:33:481
19339992216,3cyclictest13279-21apache200:12:010
19339992210,8cyclictest0-21swapper/023:12:250
19339992210,7cyclictest0-21swapper/022:02:340
19339992210,6cyclictest0-21swapper/020:32:020
19339992210,5cyclictest0-21swapper/019:11:520
1933999220,5cyclictest0-21swapper/023:24:420
1558422210,1sleep10-21swapper/122:56:201
2025622110,2sleep10-21swapper/100:34:021
1934099215,8cyclictest0-21swapper/119:16:511
19340992118,3cyclictest0-21swapper/100:05:311
19340992113,5cyclictest97750irq/106-eth1-rx22:19:531
19340992113,2cyclictest0-21swapper/122:59:401
19340992110,6cyclictest0-21swapper/120:17:511
19340992110,5cyclictest0-21swapper/121:57:001
19340992110,5cyclictest0-21swapper/119:58:541
19340992110,4cyclictest0-21swapper/119:26:501
1933999215,12cyclictest0-21swapper/021:46:540
1933999214,9cyclictest0-21swapper/021:56:560
1933999214,13cyclictest0-21swapper/021:41:530
19339992112,6cyclictest0-21swapper/021:19:220
19339992110,9cyclictest0-21swapper/000:01:270
19339992110,7cyclictest0-21swapper/023:42:080
19339992110,6cyclictest0-21swapper/000:10:130
19339992110,5cyclictest0-21swapper/000:02:420
19339992110,4cyclictest0-21swapper/023:06:520
19339992110,3cyclictest0-21swapper/023:51:490
1933999210,1cyclictest0-21swapper/022:11:500
1934099204,9cyclictest23025-21cron19:16:381
1934099203,10cyclictest0-21swapper/120:31:571
19340992020,0cyclictest0-21swapper/121:31:421
1934099201,9cyclictest0-21swapper/121:07:001
19340992015,4cyclictest13281-21apache221:21:561
19340992013,1cyclictest1111-21runrttasks20:48:341
19340992010,5cyclictest0-21swapper/123:08:131
1934099200,5cyclictest0-21swapper/121:38:541
1934099200,3cyclictest0-21swapper/123:58:461
1933999209,7cyclictest692-21ntpd22:06:550
19339992020,0cyclictest0-21swapper/023:26:420
19339992015,3cyclictest13279-21apache222:38:030
19339992010,0cyclictest0-21swapper/021:11:560
1934099197,10cyclictest28954-21/usr/sbin/munin19:31:501
1934099192,2cyclictest0-21swapper/123:24:111
19340991919,0cyclictest0-21swapper/122:08:401
19340991915,2cyclictest18682-21kworker/u4:000:30:351
19340991912,6cyclictest636-21nscd21:11:461
19340991910,7cyclictest0-21swapper/120:02:101
19340991910,5cyclictest0-21swapper/122:11:511
1933999196,6cyclictest0-21swapper/000:31:550
19339991917,1cyclictest19337-21cyclictest20:06:520
19339991914,3cyclictest817-21apache221:21:490
19339991910,9cyclictest0-21swapper/022:59:040
19339991910,7cyclictest0-21swapper/023:16:590
19339991910,6cyclictest0-21swapper/021:51:540
19339991910,4cyclictest0-21swapper/022:41:560
1933999190,1cyclictest0-21swapper/022:53:380
1933999190,16cyclictest97850irq/107-eth1-rx00:17:010
1747621910,0sleep10-21swapper/121:28:121
2671121810,0sleep00-21swapper/022:26:440
1934099188,6cyclictest0-21swapper/121:50:051
1934099187,3cyclictest29265-21/usr/sbin/munin20:56:541
1934099183,11cyclictest0-21swapper/120:26:511
1934099182,8cyclictest0-21swapper/119:41:501
1934099182,11cyclictest0-21swapper/120:36:561
19340991810,5cyclictest0-21swapper/120:54:521
19340991810,5cyclictest0-21swapper/120:54:521
19340991810,1cyclictest0-21swapper/123:51:531
19340991810,0cyclictest0-21swapper/121:43:251
1933999187,8cyclictest8860-21apache_accesses22:46:530
1933999183,7cyclictest0-21swapper/019:36:580
19339991817,1cyclictest0-21swapper/020:20:150
19339991816,1cyclictest0-21swapper/023:03:320
19339991814,2cyclictest13281-21apache221:33:430
19339991810,6cyclictest0-21swapper/022:20:360
19339991810,2cyclictest0-21swapper/020:21:520
19339991810,1cyclictest0-21swapper/020:45:070
19339991810,1cyclictest0-21swapper/019:31:490
19339991810,0cyclictest0-21swapper/019:09:420
1933999180,10cyclictest25162-21ssh22:23:320
2890621710,0sleep00-21swapper/020:54:550
2890621710,0sleep00-21swapper/020:54:550
1934099174,11cyclictest0-21swapper/119:21:501
19340991715,2cyclictest0-21swapper/122:48:551
19340991710,4cyclictest0-21swapper/123:03:051
19340991710,4cyclictest0-21swapper/120:12:201
19340991710,3cyclictest0-21swapper/120:21:581
19340991710,3cyclictest0-21swapper/119:06:501
19339991713,2cyclictest22297-21sh23:49:530
19339991710,3cyclictest0-21swapper/019:31:210
1934099168,7cyclictest32486-21seq19:40:051
1933999164,6cyclictest0-21swapper/020:11:500
1933999163,7cyclictest13250-21apache221:06:490
1933999162,8cyclictest0-21swapper/019:21:490
19339991614,1cyclictest0-21swapper/020:41:370
19339991610,6cyclictest0-21swapper/019:41:500
19339991610,2cyclictest0-21swapper/021:40:090
1934099154,5cyclictest0-21swapper/121:02:041
1934099151,6cyclictest0-21swapper/119:46:501
1933999153,6cyclictest0-21swapper/020:46:590
19339991512,2cyclictest81ktimersoftd/019:46:500
19339991510,2cyclictest0-21swapper/019:16:510
1933999150,7cyclictest18365-21/usr/sbin/munin20:26:540
19339991414,0cyclictest0-21swapper/019:57:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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