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2026-05-21 - 09:41
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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 rack2slot0.osadl.org (updated Thu May 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92802720,0sleep30-21swapper/322:54:513
211162720,1sleep09-21ksoftirqd/023:45:550
244212590,0sleep00-21swapper/022:56:040
213052580,0sleep30-21swapper/322:55:463
112062580,0sleep30-21swapper/323:28:233
275012560,0sleep30-21swapper/321:38:203
53712540,1sleep0699-21gdbus22:51:390
52042540,0sleep10-21swapper/121:41:581
2395925342,7sleep20-21swapper/219:06:482
240502520,0sleep00-21swapper/022:47:420
309502510,0sleep20-21swapper/223:41:122
19062510,0sleep30-21swapper/321:52:493
174442510,0sleep10-21swapper/100:16:151
131212510,0sleep1231rcuc/123:31:181
259002500,0sleep20-21swapper/223:26:502
234862500,0sleep00-21swapper/022:33:450
316472480,0sleep10-21swapper/122:14:551
252672480,0sleep10-21swapper/122:42:151
258902470,0sleep00-21swapper/022:42:180
322942460,0sleep232298-21bash21:25:102
198212460,0sleep10-21swapper/122:08:171
106232460,0sleep00-21swapper/021:59:110
244392410,1sleep324438-21sshd21:40:483
140112370,1sleep114009-21grepconf.sh21:48:201
2403122817,7sleep00-21swapper/019:07:420
240472277,6sleep10-21swapper/119:07:551
2387622716,7sleep30-21swapper/319:05:443
24322991818,0cyclictest241ktimersoftd/120:13:481
296812170,0sleep1231rcuc/122:37:021
2432299170,13cyclictest8479-21grep23:03:051
132582170,0sleep30-21swapper/323:09:043
100112170,0sleep10-21swapper/122:01:541
256002160,0sleep10-21swapper/122:59:001
316882150,1sleep331680-21bash22:42:483
186582150,0sleep10-21swapper/100:05:141
186582150,0sleep10-21swapper/100:05:131
44612140,0sleep20-21swapper/222:09:472
317712140,0sleep0620-17auditd21:13:020
259202140,0sleep20-21swapper/222:47:522
24326991412,1cyclictest33-21ksoftirqd/223:56:162
24326991412,1cyclictest33-21ksoftirqd/223:56:152
24322991413,0cyclictest9434-21lspci21:56:141
24322991413,0cyclictest5862-21lspci23:36:141
24316991413,0cyclictest527-40kipmi021:45:370
24316991412,1cyclictest8888-21lspci23:36:300
2431699140,1cyclictest660-21avahi-daemon22:26:360
159132140,0sleep30-21swapper/323:37:083
15342140,0sleep00-21swapper/020:50:120
103332140,0sleep20-21swapper/200:18:282
262402130,0sleep00-21swapper/000:31:000
2433299130,1cyclictest12053-21sshd00:24:173
2432699134,3cyclictest33-21ksoftirqd/223:30:572
2432699133,1cyclictest33-21ksoftirqd/223:16:492
2432299134,1cyclictest25-21ksoftirqd/122:21:551
2432299130,2cyclictest674-21dbus-daemon23:14:491
24316991312,0cyclictest32550irq/27-ahci[00023:23:270
24316991312,0cyclictest32550irq/27-ahci[00022:22:580
24316991312,0cyclictest2334-21lspci21:38:580
24316991311,1cyclictest8422-21lspci23:11:220
24316991311,1cyclictest7526-21lspci23:44:490
24316991311,1cyclictest0-21swapper/000:13:460
248982120,0sleep00-21swapper/023:57:240
248982120,0sleep00-21swapper/023:57:230
24332991210,1cyclictest0-21swapper/322:37:073
2433299120,1cyclictest29977-21packagekitd22:46:073
2433299120,11cyclictest10242-21sshd00:15:363
2433299120,11cyclictest0-21swapper/322:16:263
2432699124,1cyclictest33-21ksoftirqd/223:54:152
2432699122,1cyclictest33-21ksoftirqd/222:59:372
2432699122,1cyclictest33-21ksoftirqd/222:51:422
2432699121,1cyclictest33-21ksoftirqd/222:28:102
24326991211,0cyclictest5545-21lspci22:20:572
24326991211,0cyclictest33-21ksoftirqd/223:03:162
24326991210,1cyclictest33-21ksoftirqd/221:54:592
2432299125,2cyclictest25-21ksoftirqd/122:45:571
2432299124,1cyclictest25-21ksoftirqd/122:33:571
2432299123,3cyclictest25-21ksoftirqd/123:09:441
2432299122,1cyclictest25-21ksoftirqd/121:52:591
2432299121,3cyclictest25-21ksoftirqd/123:15:021
24322991211,0cyclictest27785-21lspci00:28:251
24322991211,0cyclictest20706-21lspci23:54:181
24322991210,1cyclictest11455-21id21:14:351
2432299120,1cyclictest25-21ksoftirqd/100:03:381
24316991210,1cyclictest9363-21grep22:38:050
2431699120,1cyclictest0-21swapper/000:29:560
2433299119,1cyclictest1171-21lspci22:31:463
2433299119,1cyclictest0-21swapper/321:45:273
2433299117,3cyclictest660-21avahi-daemon23:45:113
24332991110,0cyclictest0-21swapper/323:00:473
24332991110,0cyclictest0-21swapper/321:10:173
2432699117,1cyclictest33-21ksoftirqd/223:36:072
2432699117,1cyclictest33-21ksoftirqd/223:09:592
2432699115,3cyclictest33-21ksoftirqd/223:22:412
2432699115,3cyclictest33-21ksoftirqd/200:10:192
2432699115,1cyclictest33-21ksoftirqd/222:11:532
2432699113,3cyclictest33-21ksoftirqd/223:48:022
2432699113,2cyclictest33-21ksoftirqd/222:39:012
2432699113,1cyclictest33-21ksoftirqd/222:00:592
2432699112,3cyclictest15249-21sshd21:23:012
2432699112,1cyclictest33-21ksoftirqd/200:20:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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