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2026-06-11 - 05:13
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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 rack4slot1.osadl.org (updated Thu Jun 11, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267421350,4sleep333-21ksoftirqd/300:25:313
267421350,4sleep333-21ksoftirqd/300:25:313
2676321110,3sleep2131rcu_preempt19:10:372
99321050,4sleep1201rcuc/121:00:321
99321050,4sleep1201rcuc/121:00:321
317072940,2sleep20-21swapper/223:01:422
317072940,2sleep20-21swapper/223:01:422
317072940,2sleep20-21swapper/223:01:422
298122880,4sleep129803-21ssh23:40:191
298122880,4sleep129803-21ssh23:40:191
268542820,2sleep20-21swapper/221:37:382
268542820,2sleep20-21swapper/221:37:382
147152810,2sleep20-21swapper/223:20:392
147152810,2sleep20-21swapper/223:20:392
147152810,2sleep20-21swapper/223:20:392
8552800,2chrt32556-21/usr/sbin/munin21:45:382
8552800,2chrt32556-21/usr/sbin/munin21:45:382
210132800,2sleep20-21swapper/220:25:322
210132800,2sleep20-21swapper/220:25:322
131692760,3sleep20-21swapper/200:37:322
131692760,3sleep20-21swapper/200:37:322
17862750,2sleep20-21swapper/219:30:392
17862750,2sleep20-21swapper/219:30:392
318302680,3sleep30-21swapper/323:01:553
318302680,3sleep30-21swapper/323:01:553
318302680,3sleep30-21swapper/323:01:553
14562680,3sleep30-21swapper/323:45:203
14562680,3sleep30-21swapper/323:45:203
14562680,3sleep30-21swapper/323:45:203
67082670,4sleep16236-21latency_hist00:30:311
67082670,4sleep16236-21latency_hist00:30:311
67082670,4sleep16236-21latency_hist00:30:311
272932650,2sleep025927-21ls19:10:450
119272620,3chrt0-21swapper/300:35:443
119272620,3chrt0-21swapper/300:35:443
184802600,3chrt0-21swapper/300:05:213
184802600,3chrt0-21swapper/300:05:213
184802600,3chrt0-21swapper/300:05:213
26322590,3sleep00-21swapper/023:45:410
26322590,3sleep00-21swapper/023:45:410
172582580,4sleep217256-21ssh21:25:362
172582580,4sleep217256-21ssh21:25:362
107382570,3sleep20-21swapper/222:36:222
107382570,3sleep20-21swapper/222:36:222
62532560,1sleep06332-21strings23:50:360
62532560,1sleep06332-21strings23:50:360
31382540,2sleep03146-21sh23:06:230
31382540,2sleep03146-21sh23:06:230
31382540,2sleep03146-21sh23:06:230
256262530,2sleep125707-21strings22:15:361
256262530,2sleep125707-21strings22:15:361
256262530,2sleep125707-21strings22:15:361
70852520,3chrt0-21swapper/221:13:152
70852520,3chrt0-21swapper/221:13:152
70852520,3chrt0-21swapper/221:13:152
223152490,3sleep30-21swapper/322:10:433
223152490,3sleep30-21swapper/322:10:433
223152490,3sleep30-21swapper/322:10:433
68332480,3sleep20-21swapper/222:32:082
68332480,3sleep20-21swapper/222:32:082
91212470,2sleep30-21swapper/321:55:403
91212470,2sleep30-21swapper/321:55:403
125042470,3sleep20-21swapper/220:00:412
125042470,3sleep20-21swapper/220:00:412
125042470,3sleep20-21swapper/220:00:412
165342450,2sleep10-21swapper/122:43:281
165342450,2sleep10-21swapper/122:43:281
12352450,3sleep10-21swapper/123:05:191
12352450,3sleep10-21swapper/123:05:191
12352450,3sleep10-21swapper/123:05:191
27358994424,17cyclictest9312-21cupsd00:00:242
27358994424,17cyclictest9312-21cupsd00:00:242
27356994416,22cyclictest14595-21ssh00:00:240
27356994416,22cyclictest14595-21ssh00:00:240
315802420,3chrt0-21swapper/223:41:052
315802420,3chrt0-21swapper/223:41:052
315802420,3chrt0-21swapper/223:41:052
266272420,3chrt0-21swapper/322:16:133
266272420,3chrt0-21swapper/322:16:133
266272420,3chrt0-21swapper/322:16:133
74752410,4sleep10-21swapper/122:33:201
74752410,4sleep10-21swapper/122:33:201
184482410,2sleep00-21swapper/021:26:470
184482410,2sleep00-21swapper/021:26:470
116472410,2sleep111813-21grep00:35:431
116472410,2sleep111813-21grep00:35:431
2735699401,16cyclictest16131-21ssh00:01:000
2735699401,16cyclictest16131-21ssh00:01:000
2735699401,16cyclictest16131-21ssh00:01:000
226562400,3sleep30-21swapper/323:30:373
226562400,3sleep30-21swapper/323:30:373
147482400,3sleep20-21swapper/222:40:402
147482400,3sleep20-21swapper/222:40:402
129912400,2chrt0-21swapper/221:20:342
129912400,2chrt0-21swapper/221:20:342
134362390,3sleep00-21swapper/021:20:400
134362390,3sleep00-21swapper/021:20:400
134362390,3sleep00-21swapper/021:20:400
96722380,2sleep10-21swapper/123:15:321
96722380,2sleep10-21swapper/123:15:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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