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2025-11-30 - 10:41
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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 all highest latencies:
System rackcslot2.osadl.org (updated Sun Nov 30, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66032700,0sleep10-21swapper/122:31:421
2807427058,8sleep00-21swapper/019:04:180
219292700,0sleep10-21swapper/100:23:341
2787126955,9sleep10-21swapper/119:02:121
77112660,0sleep00-21swapper/022:32:030
28485993810,1cyclictest0-21swapper/121:55:321
2848599360,15cyclictest0-21swapper/123:53:221
28484993310,0cyclictest0-21swapper/020:04:370
28484993210,22cyclictest0-21swapper/023:56:250
2848599311,7cyclictest0-21swapper/123:16:561
2848599305,3cyclictest6409-21awk21:46:421
28485992929,0cyclictest0-21swapper/121:04:421
2848599290,8cyclictest13585-21ntp_states00:12:001
28485992810,15cyclictest0-21swapper/122:12:021
2848599280,27cyclictest0-21swapper/121:31:231
28484992810,3cyclictest0-21swapper/022:23:440
2848499280,1cyclictest0-21swapper/021:44:100
2848599276,4cyclictest0-21swapper/100:06:591
2848599272,6cyclictest0-21swapper/122:18:171
28485992725,1cyclictest0-21swapper/123:28:221
28485992712,14cyclictest0-21swapper/120:30:461
2848599270,1cyclictest0-21swapper/122:31:581
28484992726,0cyclictest0-21swapper/021:35:100
2848499270,20cyclictest1-21systemd23:47:300
28485992626,0cyclictest0-21swapper/122:04:201
2848599261,4cyclictest10533-21df_inode22:36:561
2848599260,5cyclictest0-21swapper/121:36:571
28484992618,5cyclictest8426-21apache223:07:150
28485992524,0cyclictest0-21swapper/100:06:141
2848599251,5cyclictest21921-21pmu-power20:12:021
2848599242,4cyclictest0-21swapper/119:11:431
28485992422,2cyclictest0-21swapper/123:32:011
28485992418,5cyclictest8426-21apache219:16:561
2848599240,2cyclictest0-21swapper/123:10:551
2848599234,18cyclictest0-21swapper/120:36:061
2848599232,6cyclictest0-21swapper/122:07:001
28485992311,8cyclictest0-21swapper/123:58:021
28484992323,0cyclictest0-21swapper/020:55:340
2848499231,3cyclictest9744-21diskmemload22:54:540
28484992311,7cyclictest0-21swapper/022:28:380
28484992310,1cyclictest0-21swapper/000:14:290
2848499230,2cyclictest0-21swapper/023:12:540
2848499230,22cyclictest0-21swapper/021:14:340
2848499230,20cyclictest31113-21kworker/0:219:30:120
2848499230,18cyclictest9744-21diskmemload21:39:080
28485992221,1cyclictest0-21swapper/121:20:181
28485992218,3cyclictest8426-21apache200:36:191
28485992210,5cyclictest0-21swapper/123:40:411
28485992210,5cyclictest0-21swapper/120:56:581
28485992210,4cyclictest0-21swapper/119:56:581
28485992210,3cyclictest0-21swapper/121:36:261
2848599220,1cyclictest28132-21apache_accesses23:46:541
2848599220,17cyclictest0-21swapper/120:41:341
28484992221,0cyclictest0-21swapper/022:10:030
28484992210,5cyclictest0-21swapper/000:27:300
28484992210,2cyclictest0-21swapper/022:15:380
2848499220,15cyclictest0-21swapper/000:02:280
2848499220,11cyclictest0-21swapper/021:56:570
2848599214,16cyclictest0-21swapper/119:52:011
2848599212,12cyclictest0-21swapper/123:22:071
28485992117,2cyclictest231ktimersoftd/120:06:571
28485992110,5cyclictest0-21swapper/121:46:521
2848599210,8cyclictest0-21swapper/119:27:011
2848599210,15cyclictest0-21swapper/121:14:011
2848499215,8cyclictest0-21swapper/021:07:060
2848499215,11cyclictest9744-21diskmemload00:23:140
28484992119,1cyclictest7-21ksoftirqd/021:51:420
28484992116,3cyclictest8426-21apache200:09:050
28484992110,6cyclictest0-21swapper/021:01:430
28484992110,5cyclictest0-21swapper/022:42:250
28484992110,4cyclictest0-21swapper/022:02:020
28484992110,3cyclictest0-21swapper/000:21:420
28484992110,2cyclictest0-21swapper/019:57:570
28484992110,1cyclictest0-21swapper/019:53:250
2383622110,0sleep00-21swapper/021:25:420
136222110,0sleep00-21swapper/019:18:010
2848599201,9cyclictest0-21swapper/122:47:031
28485992018,1cyclictest8426-21apache200:21:061
28485992016,1cyclictest663-21unixbench_multi22:22:021
28485992015,5cyclictest0-21swapper/120:23:541
28485992013,6cyclictest0-21swapper/121:56:571
28485992011,4cyclictest9744-21diskmemload22:56:441
28485992010,6cyclictest6345-21ls19:32:011
28485992010,2cyclictest0-21swapper/122:51:481
28485992010,10cyclictest0-21swapper/119:22:141
2848499204,8cyclictest0-21swapper/023:41:580
28484992019,0cyclictest0-21swapper/023:18:310
28484992014,5cyclictest8426-21apache222:49:470
28484992013,4cyclictest0-21swapper/022:19:100
2848499201,18cyclictest9744-21diskmemload23:57:290
2848499201,11cyclictest30562-21perf20:36:420
28484992010,2cyclictest0-21swapper/021:52:190
28484992010,2cyclictest0-21swapper/020:21:550
2848499200,3cyclictest0-21swapper/023:37:060
2848599193,10cyclictest0-21swapper/120:51:561
2848599193,10cyclictest0-21swapper/120:02:051
28485991918,0cyclictest231ktimersoftd/123:16:421
28485991916,2cyclictest0-21swapper/122:42:431
28485991910,5cyclictest0-21swapper/123:43:291
28485991910,1cyclictest0-21swapper/121:07:441
2848499195,6cyclictest9744-21diskmemload21:16:550
2848499193,9cyclictest0-21swapper/023:24:570
28484991918,1cyclictest8399-21apache219:06:570
28484991911,4cyclictest27561-21kernelversion00:31:590
28484991910,5cyclictest0-21swapper/021:27:590
28484991910,4cyclictest0-21swapper/020:17:040
28484991910,4cyclictest0-21swapper/019:31:570
28484991910,3cyclictest0-21swapper/023:06:120
28484991910,1cyclictest0-21swapper/020:36:580
28484991910,1cyclictest0-21swapper/020:06:450
2646421910,1sleep10-21swapper/100:31:011
933521810,2sleep10-21swapper/119:40:351
2848599184,7cyclictest31608-21ls19:12:061
2848599183,7cyclictest0-21swapper/123:02:011
2848499187,6cyclictest0-21swapper/023:32:000
2848499184,9cyclictest0-21swapper/020:42:010
2848499183,3cyclictest0-21swapper/023:29:010
2848499183,10cyclictest0-21swapper/019:46:590
2848499181,7cyclictest0-21swapper/019:42:020
28484991810,4cyclictest0-21swapper/022:39:400
382421710,0sleep00-21swapper/020:50:520
2848599176,4cyclictest24412-21latency_hist21:26:431
2848499171,5cyclictest0-21swapper/019:25:570
28484991710,3cyclictest0-21swapper/019:11:580
2642321710,0sleep00-21swapper/022:58:210
2250121710,0sleep00-21swapper/020:13:070
2848599162,8cyclictest0-21swapper/120:16:561
28485991610,1cyclictest0-21swapper/119:41:571
28484991610,3cyclictest0-21swapper/019:37:040
2848499160,8cyclictest0-21swapper/020:26:560
2848599154,4cyclictest0-21swapper/120:47:051
28485991510,4cyclictest0-21swapper/120:41:511
28485991510,0cyclictest0-21swapper/119:46:561
2848499150,7cyclictest0-21swapper/021:01:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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