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2026-06-11 - 01:52
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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 376 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
96722380,2sleep10-21swapper/123:15:321
27357993825,9cyclictest14452-21latency_hist00:00:221
27357993825,9cyclictest14452-21latency_hist00:00:221
27357993821,11cyclictest14754-21/usr/sbin/munin00:00:391
27357993821,11cyclictest14754-21/usr/sbin/munin00:00:391
27357993821,11cyclictest14754-21/usr/sbin/munin00:00:391
200172380,3sleep20-21swapper/200:05:492
200172380,3sleep20-21swapper/200:05:492
141552380,3sleep20-21swapper/221:21:272
141552380,3sleep20-21swapper/221:21:272
141552380,3sleep20-21swapper/221:21:272
89242370,2sleep10-21swapper/121:55:381
89242370,2sleep10-21swapper/121:55:381
224152370,3sleep20-21swapper/221:31:442
224152370,3sleep20-21swapper/221:31:442
92402360,3sleep00-21swapper/023:15:230
92402360,3sleep00-21swapper/023:15:230
92402360,3sleep00-21swapper/023:15:230
315952350,2sleep231597-21acpi19:25:292
315952350,2sleep231597-21acpi19:25:292
295312350,4sleep333-21ksoftirqd/319:20:193
295312350,4sleep333-21ksoftirqd/319:20:193
295312350,4sleep333-21ksoftirqd/319:20:193
246392340,2sleep30-21swapper/322:53:393
246392340,2sleep30-21swapper/322:53:393
246392340,2sleep30-21swapper/322:53:393
242302340,2sleep30-21swapper/320:35:263
242302340,2sleep30-21swapper/320:35:263
57452320,3sleep30-21swapper/322:30:403
57452320,3sleep30-21swapper/322:30:403
32402320,3sleep00-21swapper/021:49:100
32402320,3sleep00-21swapper/021:49:100
306862320,2sleep30-21swapper/320:50:413
224062320,2sleep14203-21diskmemload21:31:431
224062320,2sleep14203-21diskmemload21:31:431
205272320,2sleep30-21swapper/323:28:083
205272320,2sleep30-21swapper/323:28:083
205272320,2sleep30-21swapper/323:28:083
122192320,3sleep30-21swapper/322:38:323
122192320,3sleep30-21swapper/322:38:323
294842310,3sleep00-21swapper/020:50:220
294842310,3sleep00-21swapper/020:50:220
294842310,3sleep00-21swapper/020:50:220
227972310,4sleep10-21swapper/122:11:331
227972310,4sleep10-21swapper/122:11:331
227972310,4sleep10-21swapper/122:11:331
102252300,2sleep30-21swapper/300:35:113
102252300,2sleep30-21swapper/300:35:113
93852290,4chrt0-21swapper/321:15:413
93852290,4chrt0-21swapper/321:15:413
93852290,4chrt0-21swapper/321:15:413
70492290,3sleep20-21swapper/223:50:492
70492290,3sleep20-21swapper/223:50:492
227872290,1sleep022796-21ssh22:11:330
227872290,1sleep022796-21ssh22:11:330
227872290,1sleep022796-21ssh22:11:330
183962290,3sleep30-21swapper/322:05:493
183962290,3sleep30-21swapper/322:05:493
24432280,2sleep3321rcuc/322:26:263
24432280,2sleep3321rcuc/322:26:263
171512280,3sleep10-21swapper/122:05:311
171512280,3sleep10-21swapper/122:05:311
162032280,2sleep216212-21ssh22:04:162
162032280,2sleep216212-21ssh22:04:162
27356992719,5cyclictest674-21snmpd22:20:590
27356992719,5cyclictest674-21snmpd22:20:590
2735899262,19cyclictest16113-21ssh00:00:582
2735899262,19cyclictest16113-21ssh00:00:582
2735899262,19cyclictest16113-21ssh00:00:582
2735799261,18cyclictest2148-21ssh23:05:341
2735799261,18cyclictest2148-21ssh23:05:341
2735799261,18cyclictest2148-21ssh23:05:341
70192250,4sleep30-21swapper/323:11:033
70192250,4sleep30-21swapper/323:11:033
70192250,4sleep30-21swapper/323:11:033
49612250,4sleep20-21swapper/223:49:292
49612250,4sleep20-21swapper/223:49:292
2735999255,15cyclictest0-21swapper/300:00:253
2735999255,15cyclictest0-21swapper/300:00:253
2735799251,21cyclictest9487-21ls21:15:421
2735799251,21cyclictest9487-21ls21:15:421
2735799251,21cyclictest9487-21ls21:15:421
272692251,14sleep30-21swapper/319:10:443
267302253,15sleep125927-21ls19:10:371
254352250,3sleep127355-21cyclictest21:35:401
254352250,3sleep127355-21cyclictest21:35:401
122302250,3sleep00-21swapper/020:00:350
122302250,3sleep00-21swapper/020:00:350
122302250,3sleep00-21swapper/020:00:350
2735899241,8cyclictest5384-21vmstat21:50:432
2735899241,19cyclictest22309-21ls23:30:332
2735899241,19cyclictest22309-21ls23:30:332
27357992414,8cyclictest2747-21/usr/sbin/munin19:35:391
2735699241,20cyclictest26201-21ls22:15:420
2735699241,20cyclictest26201-21ls22:15:420
2735699241,20cyclictest26201-21ls22:15:420
2735899231,19cyclictest31472-21find20:55:312
2735899231,19cyclictest31472-21find20:55:312
2735899231,19cyclictest1319-21ls22:25:352
2735899231,19cyclictest1319-21ls22:25:352
27357992315,6cyclictest7207-21ssh21:13:291
27357992315,6cyclictest7207-21ssh21:13:291
27357992315,6cyclictest7207-21ssh21:13:291
27357992315,6cyclictest18617-21ssh21:27:061
27357992315,6cyclictest18617-21ssh21:27:061
2735699231,16cyclictest14093-21cut23:20:320
2735699231,16cyclictest14093-21cut23:20:320
2735699231,16cyclictest14093-21cut23:20:320
226782230,2sleep00-21swapper/021:32:140
226782230,2sleep00-21swapper/021:32:140
215912231,3sleep221611-21latency_hist22:50:222
215912231,3sleep221611-21latency_hist22:50:222
215912231,3sleep221611-21latency_hist22:50:222
2735899229,10cyclictest24847-21cron22:15:202
2735899229,10cyclictest24847-21cron22:15:202
2735899229,10cyclictest24847-21cron22:15:202
2735899228,11cyclictest6722-21tune2fs00:30:312
2735899228,11cyclictest6722-21tune2fs00:30:312
2735899228,11cyclictest6722-21tune2fs00:30:312
27358992211,9cyclictest5275-21awk23:10:202
27358992211,9cyclictest5275-21awk23:10:202
27358992211,9cyclictest5275-21awk23:10:202
2735899221,18cyclictest27059-21ls00:15:342
2735899221,18cyclictest27059-21ls00:15:342
2735899221,16cyclictest29942-21fschecks_count19:20:312
2735899221,16cyclictest29942-21fschecks_count19:20:312
27357992215,5cyclictest26159-21ssh00:14:461
27357992215,5cyclictest26159-21ssh00:14:461
2735799221,12cyclictest31283-21grep23:40:421
2735799221,12cyclictest31283-21grep23:40:421
2735799221,12cyclictest31283-21grep23:40:421
2735699222,10cyclictest6390-21sh00:30:260
2735699222,10cyclictest6390-21sh00:30:260
2735699222,10cyclictest6390-21sh00:30:260
2735699221,9cyclictest1023-21fschecks_count21:00:320
2735699221,9cyclictest1023-21fschecks_count21:00:320
27356992215,4cyclictest26664-21ssh21:37:160
27356992215,4cyclictest26664-21ssh21:37:160
27356992214,5cyclictest0-21swapper/019:40:320
27356992214,5cyclictest0-21swapper/019:40:320
2735699221,17cyclictest9867-21taskset19:55:250
2735699221,17cyclictest9867-21taskset19:55:250
2735699221,16cyclictest15204-21ls20:10:240
2735699221,16cyclictest15204-21ls20:10:240
2735699221,16cyclictest15204-21ls20:10:240
2735699221,11cyclictest16212-21find20:10:410
2735699221,11cyclictest16212-21find20:10:410
172442220,2sleep20-21swapper/220:15:322
172442220,2sleep20-21swapper/220:15:322
43342210,12sleep333-21ksoftirqd/323:48:173
43342210,12sleep333-21ksoftirqd/323:48:173
2735899219,10cyclictest25756-21idleruntime-cro23:35:202
2735899219,10cyclictest25756-21idleruntime-cro23:35:202
27358992114,5cyclictest28994-21ssh21:40:342
27358992114,5cyclictest28994-21ssh21:40:342
27358992113,6cyclictest4203-21diskmemload23:30:282
27358992113,5cyclictest7054-21ps19:45:392
27358992113,5cyclictest7054-21ps19:45:392
27358992112,6cyclictest0-21swapper/220:05:422
27358992112,6cyclictest0-21swapper/220:05:422
27358992112,6cyclictest0-21swapper/220:05:422
2735899211,14cyclictest817-21runrttasks22:15:382
2735899211,14cyclictest817-21runrttasks22:15:382
2735899211,14cyclictest817-21runrttasks22:15:382
2735899211,11cyclictest26621-21rm22:55:392
2735899211,11cyclictest26621-21rm22:55:392
2735899210,18cyclictest10128-21grep19:55:332
2735899210,18cyclictest10128-21grep19:55:332
2735899210,18cyclictest10128-21grep19:55:332
27357992112,7cyclictest4645-21memory21:50:351
2735799211,13cyclictest4668-21cut21:10:331
2735799211,13cyclictest4668-21cut21:10:331
2735799211,10cyclictest13318-21cron20:05:191
2735799211,10cyclictest13318-21cron20:05:191
2735799211,10cyclictest13318-21cron20:05:191
2735699212,9cyclictest9412-21switchtime21:15:410
2735699212,9cyclictest9412-21switchtime21:15:410
2735699212,9cyclictest9412-21switchtime21:15:410
2735699211,9cyclictest19025-21cat23:25:420
2735699211,9cyclictest19025-21cat23:25:420
2735699211,9cyclictest19025-21cat23:25:420
27356992113,6cyclictest21549-21cron22:50:200
27356992113,6cyclictest21549-21cron22:50:200
27356992113,6cyclictest21549-21cron22:50:200
27356992113,5cyclictest30352-21ssh23:00:350
27356992113,5cyclictest30352-21ssh23:00:350
27356992113,5cyclictest30352-21ssh23:00:350
27356992111,8cyclictest2842-21cpuspeed19:35:300
2735699211,17cyclictest610-21rs:main0
2735699211,17cyclictest610-21rs:main0
2735699211,17cyclictest23642-21grep20:30:400
2735699211,17cyclictest23642-21grep20:30:400
2735699211,16cyclictest7067-21ssh00:30:340
2735699211,16cyclictest7067-21ssh00:30:340
2735699211,13cyclictest13412-21ls22:00:330
2735699211,13cyclictest13412-21ls22:00:330
2735699211,11cyclictest28861-21cut21:40:330
2735699211,11cyclictest28861-21cut21:40:330
2735699211,11cyclictest14004-21uniq22:40:310
2735699211,11cyclictest14004-21uniq22:40:310
2735699211,10cyclictest13619-21systemctl23:20:190
2735699211,10cyclictest13619-21systemctl23:20:190
267132210,4sleep30-21swapper/322:55:403
267132210,4sleep30-21swapper/322:55:403
303592200,4sleep30-21swapper/321:41:373
303592200,4sleep30-21swapper/321:41:373
2735999201,14cyclictest0-21swapper/321:50:333
2735999201,13cyclictest0-21swapper/319:35:393
2735899203,7cyclictest9518-21latency_hist23:15:312
2735899203,7cyclictest9518-21latency_hist23:15:312
2735899203,7cyclictest9518-21latency_hist23:15:312
27358992013,5cyclictest0-21swapper/222:25:302
27358992013,5cyclictest0-21swapper/222:25:302
2735799206,3cyclictest131rcu_preempt23:31:231
2735799206,3cyclictest131rcu_preempt23:31:231
2735799206,12cyclictest2266-21latency_hist00:25:221
2735799206,12cyclictest2266-21latency_hist00:25:221
2735799206,12cyclictest2266-21latency_hist00:25:221
2735799201,9cyclictest32165-21ps20:55:391
2735799201,9cyclictest32165-21ps20:55:391
2735699209,8cyclictest17216-21df20:15:310
2735699209,8cyclictest17216-21df20:15:310
2735699202,14cyclictest27781-21ls00:15:420
2735699202,14cyclictest27781-21ls00:15:420
2735699201,9cyclictest817-21runrttasks22:08:120
2735699201,9cyclictest817-21runrttasks22:08:120
2735699201,9cyclictest23745-21ls00:10:400
2735699201,9cyclictest23745-21ls00:10:400
2735699201,8cyclictest2640-21/usr/sbin/munin21:05:380
2735699201,8cyclictest2640-21/usr/sbin/munin21:05:380
27356992011,7cyclictest29525-21cron19:20:190
27356992011,7cyclictest29525-21cron19:20:190
27356992011,7cyclictest29525-21cron19:20:190
27356992011,5cyclictest0-21swapper/020:41:550
27356992011,5cyclictest0-21swapper/020:41:550
2735699201,10cyclictest7467-21sh21:13:580
2735699201,10cyclictest7467-21sh21:13:580
2735699201,10cyclictest7467-21sh21:13:580
2735699201,10cyclictest19827-21grep00:05:410
2735699201,10cyclictest19827-21grep00:05:410
27356992010,7cyclictest0-21swapper/000:20:420
27356992010,7cyclictest0-21swapper/000:20:420
27356992010,7cyclictest0-21swapper/000:20:420
2735699200,11cyclictest6200-21sh21:52:070
233432200,10sleep333-21ksoftirqd/300:10:363
233432200,10sleep333-21ksoftirqd/300:10:363
315982190,2sleep30-21swapper/319:25:293
315982190,2sleep30-21swapper/319:25:293
2735999191,15cyclictest0-21swapper/300:10:303
2735999191,15cyclictest0-21swapper/300:10:303
2735999191,14cyclictest0-21swapper/320:05:303
2735999191,14cyclictest0-21swapper/320:05:303
2735999191,14cyclictest0-21swapper/320:05:303
2735999191,11cyclictest0-21swapper/321:15:313
2735999191,11cyclictest0-21swapper/321:15:313
2735999191,11cyclictest0-21swapper/321:15:313
2735999191,10cyclictest0-21swapper/319:35:253
2735999191,10cyclictest0-21swapper/319:35:253
2735899197,9cyclictest23554-21ssh22:51:342
2735899197,9cyclictest23554-21ssh22:51:342
2735899197,9cyclictest23554-21ssh22:51:342
2735899196,10cyclictest9864-21latency_hist19:55:252
2735899196,10cyclictest9864-21latency_hist19:55:252
2735899193,13cyclictest29083-21unixbench_singl19:15:422
2735899193,13cyclictest29083-21unixbench_singl19:15:422
2735899193,13cyclictest29083-21unixbench_singl19:15:422
27358991912,5cyclictest2912-21fschecks_time21:05:342
27358991912,5cyclictest2912-21fschecks_time21:05:342
27358991912,5cyclictest0-21swapper/200:30:412
27358991912,5cyclictest0-21swapper/200:30:412
27358991911,5cyclictest0-21swapper/221:15:372
2735899191,11cyclictest8184-21find21:55:302
2735899191,11cyclictest8184-21find21:55:302
2735799199,8cyclictest8236-21sed19:50:311
2735799196,10cyclictest31845-21sh21:44:261
2735799196,10cyclictest31845-21sh21:44:261
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