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2026-07-27 - 23:19
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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 Mon Jul 27, 2026 12:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2971421260,3chrt0-21swapper/108:06:161
2971421260,3chrt0-21swapper/108:06:161
2178621120,2sleep00-21swapper/010:51:180
2178621120,2sleep00-21swapper/010:51:180
304222950,3sleep030417-21grep10:26:260
304222950,3sleep030417-21grep10:26:260
303122920,2sleep10-21swapper/109:19:591
303122920,2sleep10-21swapper/109:19:591
81532900,10sleep012-21ksoftirqd/011:11:120
81532900,10sleep012-21ksoftirqd/011:11:120
301122850,4sleep00-21swapper/011:33:100
301122850,4sleep00-21swapper/011:33:100
97392820,2chrt0-21swapper/010:05:480
77362780,3sleep00-21swapper/012:16:390
77362780,3sleep00-21swapper/012:16:390
77362780,3sleep00-21swapper/012:16:390
145502740,2chrt0-21swapper/307:26:153
145502740,2chrt0-21swapper/307:26:153
235122690,2sleep10-21swapper/111:26:241
235122690,2sleep10-21swapper/111:26:241
71422670,2sleep00-21swapper/008:31:230
71422670,2sleep00-21swapper/008:31:230
225852670,2sleep00-21swapper/011:59:110
225852670,2sleep00-21swapper/011:59:110
225852670,2sleep00-21swapper/011:59:110
181012660,2sleep00-21swapper/011:54:370
161242630,5chrt12-21ksoftirqd/011:18:550
161242630,5chrt12-21ksoftirqd/011:18:550
273662620,3sleep10-21swapper/108:01:101
273662620,3sleep10-21swapper/108:01:101
187772610,2sleep10-21swapper/112:28:301
187772610,2sleep10-21swapper/112:28:301
252752600,2sleep20-21swapper/212:01:262
296832590,3chrt0-21swapper/111:32:311
296832590,3chrt0-21swapper/111:32:311
31632570,3chrt0-21swapper/008:21:180
31632570,3chrt0-21swapper/008:21:180
105052570,2sleep00-21swapper/010:39:450
105052570,2sleep00-21swapper/010:39:450
305592560,3chrt12-21ksoftirqd/011:00:510
305592560,3chrt12-21ksoftirqd/011:00:510
305592560,3chrt12-21ksoftirqd/011:00:510
252282560,3chrt0-21swapper/009:14:430
252282560,3chrt0-21swapper/009:14:430
250222560,1sleep00-21swapper/009:47:030
250222560,1sleep00-21swapper/009:47:030
55422530,4sleep30-21swapper/310:01:173
127912530,3sleep00-21swapper/012:21:540
127912530,3sleep00-21swapper/012:21:540
216812520,2sleep00-21swapper/007:46:030
216812520,2sleep00-21swapper/007:46:030
125032510,2sleep00-21swapper/007:21:140
125032510,2sleep00-21swapper/007:21:140
32042500,2sleep13218-21sh12:12:031
32042500,2sleep13218-21sh12:12:031
312912500,2sleep231295-21sshd12:07:502
272452500,2sleep027256-21ssh12:04:020
183052490,2sleep00-21swapper/007:36:170
183052490,2sleep00-21swapper/007:36:170
32312480,1sleep227-21ksoftirqd/211:06:072
84992470,3sleep30-21swapper/311:44:513
84992470,3sleep30-21swapper/311:44:513
315122470,3sleep00-21swapper/009:54:270
315122470,3sleep00-21swapper/009:54:270
296032470,3chrt0-21swapper/112:06:191
57772460,3sleep10-21swapper/109:27:191
57772460,3sleep10-21swapper/109:27:191
222932460,3chrt0-21swapper/011:25:510
222932460,3chrt0-21swapper/011:25:510
226342450,3sleep00-21swapper/009:45:340
226342450,3sleep00-21swapper/009:45:340
104402450,4sleep073-21kswapd010:06:160
203512440,3sleep00-21swapper/012:30:500
203512440,3sleep00-21swapper/012:30:500
202092430,3chrt0-21swapper/111:56:271
202092430,3chrt0-21swapper/111:56:271
202092430,3chrt0-21swapper/111:56:271
270572420,4sleep0151rcuc/011:30:490
270572420,4sleep0151rcuc/011:30:490
178462420,3chrt0-21swapper/009:40:360
178462420,3chrt0-21swapper/009:40:360
150742410,2sleep30-21swapper/311:17:223
150742410,2sleep30-21swapper/311:17:223
32082400,3sleep10-21swapper/109:58:231
32082400,3sleep10-21swapper/109:58:231
15792400,2sleep10-21swapper/111:36:491
15792400,2sleep10-21swapper/111:36:491
10292400,2sleep30-21swapper/309:56:193
10292400,2sleep30-21swapper/309:56:193
98662390,2sleep08379-21ls07:11:430
98662390,2sleep08379-21ls07:11:430
95252390,3sleep10-21swapper/109:31:251
95252390,3sleep10-21swapper/109:31:251
95512383,20sleep18379-21ls07:11:271
95512383,20sleep18379-21ls07:11:271
240792380,3sleep10-21swapper/109:13:051
240792380,3sleep10-21swapper/109:13:051
213672370,2sleep20-21swapper/211:24:282
213672370,2sleep20-21swapper/211:24:282
307232340,2sleep030735-21ssh12:07:000
117232340,2sleep20-21swapper/209:33:512
117232340,2sleep20-21swapper/209:33:512
183752320,2sleep00-21swapper/010:14:120
183752320,2sleep00-21swapper/010:14:120
992099313,5cyclictest12-21ksoftirqd/008:51:150
992099313,5cyclictest12-21ksoftirqd/008:51:150
992099312,7cyclictest12-21ksoftirqd/007:46:290
992099312,7cyclictest12-21ksoftirqd/007:46:290
61182310,3sleep00-21swapper/009:27:460
61182310,3sleep00-21swapper/009:27:460
9921993023,4cyclictest21-21ksoftirqd/109:52:001
9921993023,4cyclictest21-21ksoftirqd/109:52:001
80992300,2sleep28119-21latency_hist08:36:042
80992300,2sleep28119-21latency_hist08:36:042
185342300,4sleep00-21swapper/009:01:250
185342300,4sleep00-21swapper/009:01:250
9922992918,6cyclictest27-21ksoftirqd/210:51:172
9922992918,6cyclictest27-21ksoftirqd/210:51:172
992099284,7cyclictest12-21ksoftirqd/012:36:170
992099284,7cyclictest12-21ksoftirqd/012:36:170
992099284,7cyclictest12-21ksoftirqd/012:36:170
9920992818,7cyclictest16360-21df07:31:160
9920992818,7cyclictest16360-21df07:31:160
262582280,4chrt0-21swapper/307:56:223
262582280,4chrt0-21swapper/307:56:223
992099278,11cyclictest12-21ksoftirqd/008:11:480
992099278,11cyclictest12-21ksoftirqd/008:11:480
992099277,11cyclictest12-21ksoftirqd/009:20:230
992099277,11cyclictest12-21ksoftirqd/009:20:230
992099275,5cyclictest12-21ksoftirqd/011:11:270
992099271,12cyclictest32593-21grep11:36:170
992099271,12cyclictest32593-21grep11:36:170
92942270,2sleep20-21swapper/212:18:542
92942270,2sleep20-21swapper/212:18:542
92942270,2sleep20-21swapper/212:18:542
36162270,2sleep20-21swapper/210:31:512
36162270,2sleep20-21swapper/210:31:512
174272270,3sleep30-21swapper/309:40:033
174272270,3sleep30-21swapper/309:40:033
9921992614,4cyclictest131rcu_preempt12:36:171
9921992614,4cyclictest131rcu_preempt12:36:171
9921992614,4cyclictest131rcu_preempt12:36:171
992099268,4cyclictest131rcu_preempt11:41:190
992099268,4cyclictest131rcu_preempt11:41:190
992099266,9cyclictest12-21ksoftirqd/008:58:450
992099266,9cyclictest12-21ksoftirqd/008:58:450
992099265,8cyclictest12-21ksoftirqd/008:06:170
992099265,8cyclictest12-21ksoftirqd/008:06:170
992099263,5cyclictest12-21ksoftirqd/009:21:160
992099262,5cyclictest12-21ksoftirqd/012:11:170
992099262,5cyclictest12-21ksoftirqd/012:11:170
91722261,17sleep30-21swapper/307:11:213
91722261,17sleep30-21swapper/307:11:213
87232266,10sleep20-21swapper/207:11:162
87232266,10sleep20-21swapper/207:11:162
169242260,3sleep121-21ksoftirqd/108:56:281
169242260,3sleep121-21ksoftirqd/108:56:281
9922992515,6cyclictest27-21ksoftirqd/209:16:172
9922992515,6cyclictest27-21ksoftirqd/209:16:172
992199250,21cyclictest12077-21ls10:41:171
992199250,21cyclictest12077-21ls10:41:171
992099259,13cyclictest151rcuc/007:56:160
992099259,13cyclictest151rcuc/007:56:160
992099257,9cyclictest12-21ksoftirqd/010:49:320
992099257,9cyclictest12-21ksoftirqd/010:49:320
992099255,9cyclictest12-21ksoftirqd/010:16:160
992099255,9cyclictest12-21ksoftirqd/010:16:160
992099255,8cyclictest12-21ksoftirqd/008:20:240
992099255,2cyclictest131rcu_preempt10:21:250
992099255,2cyclictest131rcu_preempt10:21:250
992099254,12cyclictest12-21ksoftirqd/008:44:220
992099252,4cyclictest12-21ksoftirqd/007:16:270
992099252,4cyclictest12-21ksoftirqd/007:16:270
9920992516,6cyclictest6127-21ssh10:35:270
9920992516,6cyclictest6127-21ssh10:35:270
9920992516,6cyclictest12679-21ssh10:41:250
9920992516,6cyclictest12679-21ssh10:41:250
992099251,4cyclictest12-21ksoftirqd/008:01:160
992099251,4cyclictest12-21ksoftirqd/008:01:160
9920992510,5cyclictest12-21ksoftirqd/008:27:390
9920992510,5cyclictest12-21ksoftirqd/008:27:390
57482250,2sleep20-21swapper/209:27:162
57482250,2sleep20-21swapper/209:27:162
126412250,2sleep00-21swapper/008:46:220
126412250,2sleep00-21swapper/008:46:220
992299241,21cyclictest24044-21ssh09:46:232
992299241,21cyclictest24044-21ssh09:46:232
9921992417,5cyclictest817-21runrttasks12:16:241
9921992417,5cyclictest817-21runrttasks12:16:241
9921992417,5cyclictest817-21runrttasks12:16:241
992199240,4cyclictest73-21kswapd010:21:151
992199240,4cyclictest73-21kswapd010:21:151
992099247,7cyclictest12-21ksoftirqd/007:53:540
992099247,7cyclictest12-21ksoftirqd/007:53:540
992099242,16cyclictest745-21cut09:56:160
992099242,16cyclictest745-21cut09:56:160
9920992410,12cyclictest0-21swapper/009:32:290
9920992410,12cyclictest0-21swapper/009:32:290
9920992410,12cyclictest0-21swapper/008:38:390
9920992410,12cyclictest0-21swapper/008:38:390
9920992410,11cyclictest14594-21cut07:26:160
9920992410,11cyclictest14594-21cut07:26:160
132712240,2sleep30-21swapper/310:08:533
9922992317,3cyclictest10408-21fschecks_count08:41:172
992299231,6cyclictest0-21swapper/211:50:232
992299231,6cyclictest0-21swapper/211:50:232
9922992315,6cyclictest15220-21gzip11:51:222
992299231,4cyclictest131rcu_preempt10:56:172
992299231,4cyclictest131rcu_preempt10:56:172
992299231,4cyclictest131rcu_preempt10:56:172
9922992314,7cyclictest14340-21ntp_states09:36:212
9922992314,7cyclictest14340-21ntp_states09:36:212
992299231,19cyclictest21678-21find09:11:162
992299231,19cyclictest21678-21find09:11:162
992299231,16cyclictest6897-21find10:36:162
992299231,16cyclictest6897-21find10:36:162
9922992310,10cyclictest7274-21systemd-journal07:21:032
9922992310,10cyclictest7274-21systemd-journal07:21:032
9921992314,6cyclictest14533-21memory08:51:181
9921992314,6cyclictest14533-21memory08:51:181
992099239,12cyclictest0-21swapper/011:04:080
992099235,6cyclictest12-21ksoftirqd/009:06:170
992099235,6cyclictest12-21ksoftirqd/009:06:170
992099234,3cyclictest131rcu_preempt12:31:260
992099233,4cyclictest12-21ksoftirqd/011:46:160
992099233,4cyclictest12-21ksoftirqd/011:46:160
253792230,2sleep10-21swapper/109:47:321
253792230,2sleep10-21swapper/109:47:321
247802230,8sleep333-21ksoftirqd/309:46:423
247802230,8sleep333-21ksoftirqd/309:46:423
992299221,5cyclictest0-21swapper/212:11:282
992299221,5cyclictest0-21swapper/212:11:282
9922992213,6cyclictest20455-21find11:56:292
9922992213,6cyclictest20455-21find11:56:292
9922992213,6cyclictest20455-21find11:56:292
992299221,13cyclictest28752-21ls11:31:282
992299221,13cyclictest28752-21ls11:31:282
992199229,5cyclictest131rcu_preempt07:36:161
992199229,5cyclictest131rcu_preempt07:36:161
992199228,5cyclictest16780-21rm09:39:051
992199228,5cyclictest16780-21rm09:39:051
992199228,5cyclictest131rcu_preempt11:11:161
9921992215,5cyclictest8867-21ssh11:45:221
9921992215,5cyclictest8867-21ssh11:45:221
992199221,4cyclictest131rcu_preempt12:31:271
9921992212,5cyclictest21-21ksoftirqd/110:01:171
9921992210,3cyclictest0-21swapper/110:40:441
9921992210,3cyclictest0-21swapper/110:40:441
56572220,3sleep30-21swapper/310:34:493
56572220,3sleep30-21swapper/310:34:493
992299214,10cyclictest31579-21cut09:21:162
992299211,9cyclictest4466-21latency_hist11:41:032
992299211,9cyclictest4466-21latency_hist11:41:032
9922992113,5cyclictest29874-21kworker/u8:010:11:122
9922992112,7cyclictest27-21ksoftirqd/212:26:162
9922992112,7cyclictest27-21ksoftirqd/212:26:162
992299211,17cyclictest25921-21uniq12:36:172
992299211,17cyclictest25921-21uniq12:36:172
992299211,17cyclictest25921-21uniq12:36:172
992299211,17cyclictest12770-21ls07:21:172
992299211,17cyclictest12770-21ls07:21:172
992199219,4cyclictest131rcu_preempt08:16:141
992199218,5cyclictest131rcu_preempt09:01:191
992199218,5cyclictest131rcu_preempt09:01:191
992199218,10cyclictest11689-21sed12:21:201
992199218,10cyclictest11689-21sed12:21:201
992199213,10cyclictest28651cut08:21:161
992199213,10cyclictest28651cut08:21:161
992199211,9cyclictest25496-21cat07:56:071
992199211,9cyclictest25496-21cat07:56:071
992199211,8cyclictest21322-21diskmemload10:16:031
992199211,8cyclictest21322-21diskmemload10:16:031
9921992113,5cyclictest3617-21ssh10:31:511
9921992113,5cyclictest3617-21ssh10:31:511
992199211,11cyclictest17788-21timerandwakeup10:46:271
992199211,11cyclictest17788-21timerandwakeup10:46:271
9921992110,8cyclictest21601-21df_inode10:51:171
9921992110,8cyclictest21601-21df_inode10:51:171
992399201,12cyclictest0-21swapper/312:36:173
992399201,12cyclictest0-21swapper/312:36:173
992399201,12cyclictest0-21swapper/312:36:173
992299209,8cyclictest8548-21cut08:36:162
992299209,8cyclictest8548-21cut08:36:162
992299204,2cyclictest0-21swapper/208:26:092
992299204,2cyclictest0-21swapper/208:26:092
992299202,14cyclictest674-21snmpd10:01:192
992299201,6cyclictest0-21swapper/210:22:242
992299201,6cyclictest0-21swapper/210:22:242
992299201,5cyclictest674-21snmpd09:51:142
992299201,5cyclictest674-21snmpd09:51:142
992299201,4cyclictest131rcu_preempt11:41:172
992299201,4cyclictest131rcu_preempt11:41:172
9922992014,4cyclictest16779-21fschecks_count10:46:162
9922992014,4cyclictest16779-21fschecks_count10:46:162
992299201,3cyclictest131rcu_preempt07:46:182
992299201,3cyclictest131rcu_preempt07:46:182
9922992011,7cyclictest17141-21seq11:20:242
9922992011,7cyclictest17141-21seq11:20:242
992299201,15cyclictest23955-21ssh11:26:292
992299201,15cyclictest23955-21ssh11:26:292
992299201,15cyclictest15487-21ssh10:11:192
992299201,15cyclictest15487-21ssh10:11:192
992299201,10cyclictest0-21swapper/210:17:242
992299201,10cyclictest0-21swapper/210:17:242
992199203,3cyclictest16630-21ssh11:52:311
992199202,14cyclictest32122-21ntp_states09:21:221
992199201,9cyclictest13425-21grep11:16:191
992199201,9cyclictest13425-21grep11:16:191
992199201,8cyclictest32442-21grep08:11:281
992199201,8cyclictest32442-21grep08:11:281
9921992013,3cyclictest21-21ksoftirqd/107:21:271
9921992013,3cyclictest21-21ksoftirqd/107:21:271
9921992011,6cyclictest26450-21ssh12:02:511
133562201,3sleep30-21swapper/311:49:503
133562201,3sleep30-21swapper/311:49:503
992399194,12cyclictest22743-21taskset11:59:263
992399194,12cyclictest22743-21taskset11:59:263
992399194,12cyclictest22743-21taskset11:59:263
992399192,10cyclictest14739-21chrt11:51:183
992399191,13cyclictest0-21swapper/311:26:293
992399191,13cyclictest0-21swapper/311:26:293
992399191,13cyclictest0-21swapper/309:41:173
992399191,13cyclictest0-21swapper/309:41:173
992399191,13cyclictest0-21swapper/308:26:183
992399191,13cyclictest0-21swapper/308:26:183
992399191,12cyclictest0-21swapper/310:26:293
992399191,12cyclictest0-21swapper/310:26:293
992299196,4cyclictest131rcu_preempt07:26:272
992299196,4cyclictest131rcu_preempt07:26:272
992299191,8cyclictest24142-21irqstats07:51:162
992299191,8cyclictest24142-21irqstats07:51:162
992299191,6cyclictest12729-21cron11:16:032
992299191,4cyclictest0-21swapper/209:56:182
992299191,4cyclictest0-21swapper/209:56:182
992299191,4cyclictest0-21swapper/208:46:252
992299191,4cyclictest0-21swapper/208:46:252
992299191,3cyclictest0-21swapper/212:32:592
9922991913,4cyclictest0-21swapper/208:56:212
9922991913,4cyclictest0-21swapper/208:56:212
9922991913,3cyclictest888-21forks08:16:142
9922991912,3cyclictest27-21ksoftirqd/211:06:162
9922991912,3cyclictest27-21ksoftirqd/211:06:162
992299191,10cyclictest19931-21fschecks_time09:06:182
992299191,10cyclictest19931-21fschecks_time09:06:182
992199198,9cyclictest22031-21df07:46:171
992199198,9cyclictest22031-21df07:46:171
992199198,7cyclictest8447-21fschecks_count08:36:161
992199198,7cyclictest8447-21fschecks_count08:36:161
992199197,4cyclictest131rcu_preempt10:26:191
992199197,4cyclictest131rcu_preempt10:26:191
992199196,3cyclictest131rcu_preempt08:46:251
992199196,3cyclictest131rcu_preempt08:46:251
992199195,3cyclictest73-21kswapd009:06:171
992199195,3cyclictest73-21kswapd009:06:171
992199194,4cyclictest0-21swapper/111:22:281
992199194,4cyclictest0-21swapper/111:22:281
992199193,2cyclictest131rcu_preempt10:06:281
992199192,5cyclictest5096-21needreboot08:26:201
992199192,5cyclictest5096-21needreboot08:26:201
992199192,14cyclictest10432-21ssh11:46:231
992199192,14cyclictest10432-21ssh11:46:231
992199191,9cyclictest28562-21ssh10:24:591
992199191,9cyclictest28562-21ssh10:24:591
992199191,8cyclictest7012-21cut08:31:201
992199191,8cyclictest7012-21cut08:31:201
992199191,4cyclictest131rcu_preempt09:43:501
992199191,4cyclictest131rcu_preempt09:43:501
9921991913,4cyclictest28206-21open_files08:01:221
9921991913,4cyclictest28206-21open_files08:01:221
9921991912,5cyclictest0-21swapper/107:16:261
9921991912,5cyclictest0-21swapper/107:16:261
214512190,3sleep30-21swapper/310:51:133
214512190,3sleep30-21swapper/310:51:133
155202190,2sleep30-21swapper/310:44:543
155202190,2sleep30-21swapper/310:44:543
9923991811,4cyclictest285492sleep312:05:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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