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2026-06-22 - 03:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Mon Jun 22, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911570,8ptp4l11459-21kworker/3:120:53:043
17787997255,8cyclictest41-21ksoftirqd/301:06:173
175322654,10sleep00-21swapper/020:54:120
106891610,1ptp4l401ktimersoftd/323:12:153
17787996047,6cyclictest41-21ksoftirqd/322:11:153
175342604,10sleep20-21swapper/220:54:142
17787995948,6cyclictest41-21ksoftirqd/323:56:143
17787995947,6cyclictest41-21ksoftirqd/321:41:123
236022580,4sleep31778799cyclictest23:41:203
106891570,1ptp4l401ktimersoftd/300:50:203
17787995643,6cyclictest41-21ksoftirqd/321:31:123
42492530,4sleep31778799cyclictest00:26:333
17787995239,6cyclictest41-21ksoftirqd/322:41:133
237902510,2sleep00-21swapper/000:46:340
1777099506,11cyclictest9-21ksoftirqd/022:56:240
17770995020,6cyclictest9-21ksoftirqd/001:01:500
17787994941,4cyclictest41-21ksoftirqd/301:46:093
1777099496,6cyclictest5492-21unixbench_multi22:41:300
1777099487,9cyclictest9-21ksoftirqd/000:11:210
1777099487,9cyclictest9-21ksoftirqd/000:11:210
17770994812,4cyclictest31671-21phc2sys21:21:210
1777099476,9cyclictest9-21ksoftirqd/002:11:260
1777099476,9cyclictest9-21ksoftirqd/001:21:340
1777099476,9cyclictest9-21ksoftirqd/001:16:060
1777099472,8cyclictest9-21ksoftirqd/001:36:210
1777099465,7cyclictest9-21ksoftirqd/001:46:050
1777099465,10cyclictest9-21ksoftirqd/001:46:370
1777099465,10cyclictest9-21ksoftirqd/001:36:050
291422450,1sleep30-21swapper/300:52:033
17787994521,7cyclictest41-21ksoftirqd/302:16:283
1777099459,9cyclictest9-21ksoftirqd/023:16:200
1777099457,6cyclictest4125-21sed23:21:220
1777099457,4cyclictest10684-21diskmemload00:31:040
1777099456,11cyclictest9-21ksoftirqd/023:36:340
1777099454,10cyclictest26277-21grep21:11:150
17770994517,11cyclictest9-21ksoftirqd/022:16:160
17787994430,6cyclictest41-21ksoftirqd/300:11:153
17787994430,6cyclictest41-21ksoftirqd/300:11:153
1777099447,7cyclictest9-21ksoftirqd/023:46:210
1777099447,7cyclictest9-21ksoftirqd/023:41:170
1777099447,5cyclictest9-21ksoftirqd/023:06:270
1777099446,7cyclictest9-21ksoftirqd/023:15:170
1777099446,6cyclictest906-21ssh00:56:280
1777099446,6cyclictest7946-21grep21:41:160
1777099446,6cyclictest32115-21modprobe22:31:160
1777099446,6cyclictest32115-21modprobe22:31:160
1777099445,8cyclictest9-21ksoftirqd/002:16:350
1777099445,8cyclictest9-21ksoftirqd/001:11:320
1777099444,7cyclictest9-21ksoftirqd/020:56:160
1777099442,7cyclictest9-21ksoftirqd/000:06:040
1777099437,6cyclictest9-21ksoftirqd/023:31:300
1777099436,9cyclictest11941-21ssh00:36:040
1777099436,7cyclictest9-21ksoftirqd/000:51:260
1777099436,6cyclictest4363-21sed21:31:280
1777099435,9cyclictest9-21ksoftirqd/001:06:290
1777099435,6cyclictest16272-21grep21:56:280
1777099433,7cyclictest9-21ksoftirqd/022:56:020
1777099430,7cyclictest101ktimersoftd/022:01:280
1777099430,5cyclictest101ktimersoftd/022:06:240
1777099426,7cyclictest10684-21diskmemload00:16:150
1777099425,8cyclictest9-21ksoftirqd/000:01:200
1777099425,7cyclictest9-21ksoftirqd/000:36:220
1777099425,6cyclictest9-21ksoftirqd/023:30:180
1777099425,5cyclictest27361-21awk22:21:160
1777099424,9cyclictest9-21ksoftirqd/001:56:200
1777099424,9cyclictest9-21ksoftirqd/001:56:200
1777099424,9cyclictest9-21ksoftirqd/000:41:210
1777099424,8cyclictest9-21ksoftirqd/022:16:000
1777099424,7cyclictest0-21swapper/022:26:200
1777099424,7cyclictest0-21swapper/022:26:200
1777099424,4cyclictest2003-21/usr/sbin/munin22:36:180
1777099424,10cyclictest9-21ksoftirqd/001:51:250
1777099423,7cyclictest9-21ksoftirqd/023:51:170
17787994115,6cyclictest41-21ksoftirqd/322:26:223
17787994115,6cyclictest41-21ksoftirqd/322:26:223
1778199412,7cyclictest0-21swapper/221:01:112
1777099416,5cyclictest9-21ksoftirqd/002:06:330
1777099415,7cyclictest9-21ksoftirqd/021:06:270
1777099415,7cyclictest9-21ksoftirqd/002:21:340
1777099415,6cyclictest12302-21acpi21:51:110
1777099415,4cyclictest9-21ksoftirqd/023:56:140
1777099414,8cyclictest9-21ksoftirqd/002:01:200
1777099414,6cyclictest9-21ksoftirqd/023:02:380
1777099413,8cyclictest0-21swapper/021:16:090
1777099413,7cyclictest9-21ksoftirqd/000:21:210
1587824120,9sleep10-21swapper/120:51:141
1777099406,6cyclictest1246-21cut21:26:170
1777099403,8cyclictest9-21ksoftirqd/001:26:210
1778199391,6cyclictest28201-21phc2sys00:51:252
1777099395,8cyclictest9-21ksoftirqd/022:46:290
1777099392,6cyclictest9-21ksoftirqd/021:01:020
1777099390,6cyclictest0-21swapper/021:46:150
106891390,1ptp4l401ktimersoftd/323:33:273
106891390,1ptp4l401ktimersoftd/301:05:293
106891390,1ptp4l401ktimersoftd/300:01:253
1778199389,25cyclictest409-21cpuspeed_turbos23:51:152
1778199381,3cyclictest17389-21ssh00:07:002
1777099381,7cyclictest0-21swapper/021:36:110
106891380,1ptp4l401ktimersoftd/323:52:043
106891380,1ptp4l401ktimersoftd/323:29:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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