Bom dia.
Também desconfio que é SQL, tem alguns FTS acontecendo, o resto está
normal.
Confirme com estes SQLs, por favor, e poste aqui.

SET PAGES 1000
SET LINES 170
COL EVENT FORMAT A60
SELECT SID, EVENT, AVERAGE_WAIT, TOTAL_TIMEOUTS FROM V$SESSION_EVENT
WHERE TOTAL_TIMEOUTS > 0 AND EVENT NOT LIKE 'SQL*Net%' ORDER BY
TOTAL_TIMEOUTS;
SELECT SID, EVENT, AVERAGE_WAIT, TOTAL_TIMEOUTS FROM V$SESSION_EVENT
WHERE AVERAGE_WAIT > 0 AND EVENT NOT LIKE 'SQL*Net%' ORDER BY
AVERAGE_WAIT;
SELECT EVENT, AVERAGE_WAIT, TOTAL_TIMEOUTS FROM V$SYSTEM_EVENT WHERE
TOTAL_TIMEOUTS > 0 ORDER BY TOTAL_TIMEOUTS;
SELECT EVENT, AVERAGE_WAIT, TOTAL_TIMEOUTS FROM V$SYSTEM_EVENT WHERE
AVERAGE_WAIT > 0 ORDER BY AVERAGE_WAIT;

-  
Ricardo Portilho Proni
http://portilho.profissionaloracle.com.br



Em Sex, 2009-05-08 às 11:57 +0000, Anderson Ferreira Rodrigues escreveu:
> 
> 
> Bom dia Ricardo,
> 
> segue abaixo o resultado:
> 
> SQL> SET PAGESIZE 1000
> SET LINESIZE 170
> COLUMN EVENT FORMAT A50
> SELECT W.SID, W.EVENT, W.SECONDS_IN_WAIT FROM V$SESSION_WAIT W ORDER
> BY
> W.SECONDS_IN_WAIT, W.SID;SQL> SQL> SQL> 2
> 
> SID EVENT SECONDS_IN_WAIT
> ---------- --------------------------------------------------
> ---------------
> 3 rdbms ipc message 0
> 4 rdbms ipc message 0
> 66 SQL*Net message to client 0
> 152 SQL*Net message from client 0
> 170 SQL*Net more data from client 0
> 173 SQL*Net message from client 0
> 189 SQL*Net message from client 0
> 261 SQL*Net message from client 0
> 17 SQL*Net message from client 1
> 25 SQL*Net message from client 1
> 27 SQL*Net message from client 1
> 43 SQL*Net message from client 1
> 65 SQL*Net message from client 1
> 80 SQL*Net message from client 1
> 92 SQL*Net message from client 1
> 93 SQL*Net message from client 1
> 112 SQL*Net message from client 1
> 197 SQL*Net message from client 1
> 200 SQL*Net message from client 1
> 226 SQL*Net message from client 1
> 229 SQL*Net message from client 1
> 234 SQL*Net message from client 1
> 254 SQL*Net message from client 1
> 276 SQL*Net message from client 1
> 5 rdbms ipc message 2
> 159 SQL*Net message from client 2
> 239 SQL*Net message from client 2
> 142 SQL*Net message from client 3
> 249 SQL*Net message from client 3
> 290 SQL*Net message from client 3
> 267 SQL*Net message from client 4
> 363 SQL*Net message from client 4
> 2 rdbms ipc message 5
> 332 SQL*Net message from client 12
> 154 SQL*Net message from client 13
> 96 SQL*Net message from client 15
> 230 SQL*Net message from client 15
> 13 rdbms ipc message 16
> 352 SQL*Net message from client 19
> 59 SQL*Net message from client 20
> 277 SQL*Net message from client 20
> 257 SQL*Net message from client 24
> 129 SQL*Net message from client 25
> 182 SQL*Net message from client 32
> 6 smon timer 38
> 172 SQL*Net message from client 45
> 178 SQL*Net message from client 48
> 348 SQL*Net message from client 56
> 123 SQL*Net message from client 57
> 139 SQL*Net message from client 57
> 20 SQL*Net message from client 60
> 111 SQL*Net message from client 70
> 244 SQL*Net message from client 126
> 210 SQL*Net message from client 149
> 209 SQL*Net message from client 154
> 24 SQL*Net message from client 163
> 116 rdbms ipc message 197
> 149 SQL*Net message from client 236
> 166 SQL*Net message from client 262
> 320 SQL*Net message from client 282
> 22 SQL*Net message from client 285
> 205 SQL*Net message from client 321
> 354 SQL*Net message from client 401
> 306 SQL*Net message from client 405
> 256 SQL*Net message from client 527
> 67 SQL*Net message from client 529
> 36 SQL*Net message from client 621
> 8 rdbms ipc message 784
> 127 SQL*Net message from client 817
> 324 SQL*Net message from client 993
> 88 SQL*Net message from client 1066
> 225 SQL*Net message from client 2220
> 54 SQL*Net message from client 2869
> 259 SQL*Net message from client 2893
> 160 SQL*Net message from client 2912
> 147 SQL*Net message from client 3190
> 198 SQL*Net message from client 3234
> 14 SQL*Net message from client 3585
> 217 SQL*Net message from client 3898
> 7 rdbms ipc message 9136
> 179 SQL*Net message from client 16161
> 86 SQL*Net message from client 53938
> 275 SQL*Net message from client 53938
> 19 SQL*Net message from client 54040
> 1 pmon timer 54131
> 250 SQL*Net message from client 54576
> 46 SQL*Net message from client 56941
> 155 SQL*Net message from client 56975
> 203 SQL*Net message from client 57451
> 72 SQL*Net message from client 57480
> 184 SQL*Net message from client 58311
> 57 SQL*Net message from client 58427
> 270 SQL*Net message from client 58427
> 10 SQL*Net message from client 64968
> 351 SQL*Net message from client 64970
> 45 SQL*Net message from client 66954
> 
> 96 rows selected.
> 
> =====================================================================
> 
> SQL> /
> 
> SID EVENT SECONDS_IN_WAIT
> ---------- --------------------------------------------------
> ---------------
> 4 rdbms ipc message 0
> 27 SQL*Net message from client 0
> 65 SQL*Net message from client 0
> 66 SQL*Net message to client 0
> 82 SQL*Net message from client 0
> 106 SQL*Net message from client 0
> 111 SQL*Net message from client 0
> 173 SQL*Net message from client 0
> 189 SQL*Net message from client 0
> 229 SQL*Net message from client 0
> 239 SQL*Net message from client 0
> 261 SQL*Net message from client 0
> 267 SQL*Net message from client 0
> 316 SQL*Net message from client 0
> 332 SQL*Net message from client 0
> 17 SQL*Net message from client 1
> 93 SQL*Net message from client 1
> 123 SQL*Net message from client 1
> 159 SQL*Net message from client 1
> 197 SQL*Net message from client 1
> 249 SQL*Net message from client 1
> 254 SQL*Net message from client 1
> 5 rdbms ipc message 2
> 129 SQL*Net message from client 2
> 172 SQL*Net message from client 2
> 290 SQL*Net message from client 2
> 170 SQL*Net message from client 3
> 276 SQL*Net message from client 3
> 3 rdbms ipc message 4
> 19 SQL*Net message from client 4
> 25 SQL*Net message from client 4
> 275 SQL*Net message from client 4
> 354 SQL*Net message from client 4
> 2 rdbms ipc message 5
> 96 SQL*Net message from client 5
> 154 SQL*Net message from client 6
> 277 SQL*Net message from client 6
> 312 SQL*Net message from client 6
> 285 SQL*Net message from client 7
> 244 SQL*Net message from client 10
> 230 SQL*Net message from client 13
> 234 SQL*Net message from client 14
> 238 SQL*Net message from client 14
> 16 SQL*Net message from client 16
> 92 SQL*Net message from client 16
> 139 SQL*Net message from client 18
> 142 SQL*Net message from client 18
> 195 SQL*Net message from client 18
> 348 SQL*Net message from client 23
> 178 SQL*Net message from client 27
> 306 SQL*Net message from client 30
> 22 SQL*Net message from client 35
> 67 SQL*Net message from client 45
> 80 SQL*Net message from client 50
> 13 rdbms ipc message 54
> 182 SQL*Net message from client 57
> 43 SQL*Net message from client 58
> 152 SQL*Net message from client 58
> 20 SQL*Net message from client 62
> 350 SQL*Net message from client 62
> 210 SQL*Net message from client 78
> 256 SQL*Net message from client 118
> 352 SQL*Net message from client 122
> 363 SQL*Net message from client 123
> 8 rdbms ipc message 175
> 320 SQL*Net message from client 222
> 257 SQL*Net message from client 273
> 116 rdbms ipc message 295
> 211 SQL*Net message from client 305
> 102 SQL*Net message from client 326
> 137 SQL*Net message from client 393
> 6 smon timer 436
> 209 SQL*Net message from client 552
> 24 SQL*Net message from client 561
> 149 SQL*Net message from client 634
> 166 SQL*Net message from client 660
> 205 SQL*Net message from client 719
> 36 SQL*Net message from client 1019
> 127 SQL*Net message from client 1215
> 324 SQL*Net message from client 1391
> 88 SQL*Net message from client 1464
> 225 SQL*Net message from client 2618
> 54 SQL*Net message from client 3267
> 259 SQL*Net message from client 3291
> 160 SQL*Net message from client 3310
> 147 SQL*Net message from client 3588
> 198 SQL*Net message from client 3632
> 14 SQL*Net message from client 3983
> 217 SQL*Net message from client 4296
> 7 rdbms ipc message 9534
> 179 SQL*Net message from client 16559
> 86 SQL*Net message from client 54336
> 1 pmon timer 54529
> 250 SQL*Net message from client 54974
> 46 SQL*Net message from client 57339
> 155 SQL*Net message from client 57373
> 203 SQL*Net message from client 57849
> 72 SQL*Net message from client 57878
> 184 SQL*Net message from client 58709
> 57 SQL*Net message from client 58825
> 270 SQL*Net message from client 58825
> 10 SQL*Net message from client 65366
> 351 SQL*Net message from client 65368
> 45 SQL*Net message from client 67352
> 
> 104 rows selected.
> 
> =====================================================================
> 
> SQL> /
> 
> SID EVENT SECONDS_IN_WAIT
> ---------- --------------------------------------------------
> ---------------
> 3 rdbms ipc message 0
> 4 rdbms ipc message 0
> 59 SQL*Net message from client 0
> 66 SQL*Net message to client 0
> 159 SQL*Net message from client 0
> 173 SQL*Net message from client 0
> 197 db file scattered read 0
> 220 SQL*Net message from client 0
> 350 db file sequential read 0
> 82 SQL*Net message from client 1
> 112 SQL*Net message from client 1
> 189 SQL*Net message from client 1
> 229 SQL*Net message from client 1
> 230 SQL*Net message from client 1
> 234 SQL*Net message from client 1
> 261 SQL*Net message from client 1
> 267 SQL*Net message from client 1
> 285 SQL*Net message from client 1
> 2 rdbms ipc message 2
> 5 rdbms ipc message 2
> 25 SQL*Net message from client 2
> 27 SQL*Net message from client 2
> 65 SQL*Net message from client 2
> 96 SQL*Net message from client 2
> 106 SQL*Net message from client 2
> 111 SQL*Net message from client 2
> 17 SQL*Net message from client 3
> 170 SQL*Net message from client 3
> 272 SQL*Net message from client 3
> 290 SQL*Net message from client 3
> 226 SQL*Net message from client 4
> 352 SQL*Net message from client 4
> 20 SQL*Net message from client 5
> 93 SQL*Net message from client 5
> 154 SQL*Net message from client 5
> 178 SQL*Net message from client 6
> 139 SQL*Net message from client 7
> 129 SQL*Net message from client 9
> 254 SQL*Net message from client 10
> 92 SQL*Net message from client 12
> 306 SQL*Net message from client 13
> 43 SQL*Net message from client 14
> 152 SQL*Net message from client 14
> 200 SQL*Net message from client 14
> 239 SQL*Net message from client 15
> 67 SQL*Net message from client 16
> 80 SQL*Net message from client 17
> 13 rdbms ipc message 18
> 172 SQL*Net message from client 18
> 116 rdbms ipc message 20
> 19 SQL*Net message from client 21
> 238 SQL*Net message from client 22
> 277 SQL*Net message from client 22
> 312 SQL*Net message from client 22
> 332 SQL*Net message from client 24
> 123 SQL*Net message from client 25
> 249 SQL*Net message from client 25
> 276 SQL*Net message from client 27
> 275 SQL*Net message from client 28
> 354 SQL*Net message from client 28
> 244 SQL*Net message from client 34
> 16 SQL*Net message from client 40
> 142 SQL*Net message from client 42
> 195 SQL*Net message from client 42
> 348 SQL*Net message from client 47
> 22 SQL*Net message from client 59
> 210 SQL*Net message from client 102
> 256 SQL*Net message from client 142
> 363 SQL*Net message from client 147
> 8 rdbms ipc message 199
> 320 SQL*Net message from client 246
> 257 SQL*Net message from client 297
> 211 SQL*Net message from client 329
> 102 SQL*Net message from client 350
> 137 SQL*Net message from client 417
> 6 smon timer 460
> 209 SQL*Net message from client 576
> 24 SQL*Net message from client 585
> 149 SQL*Net message from client 658
> 166 SQL*Net message from client 684
> 205 SQL*Net message from client 743
> 36 SQL*Net message from client 1043
> 127 SQL*Net message from client 1239
> 324 SQL*Net message from client 1415
> 88 SQL*Net message from client 1488
> 225 SQL*Net message from client 2642
> 54 SQL*Net message from client 3291
> 259 SQL*Net message from client 3315
> 160 SQL*Net message from client 3334
> 147 SQL*Net message from client 3612
> 198 SQL*Net message from client 3656
> 14 SQL*Net message from client 4007
> 217 SQL*Net message from client 4320
> 7 rdbms ipc message 9558
> 179 SQL*Net message from client 16583
> 86 SQL*Net message from client 54360
> 1 pmon timer 54553
> 250 SQL*Net message from client 54998
> 46 SQL*Net message from client 57363
> 155 SQL*Net message from client 57397
> 203 SQL*Net message from client 57873
> 72 SQL*Net message from client 57902
> 184 SQL*Net message from client 58733
> 57 SQL*Net message from client 58849
> 270 SQL*Net message from client 58849
> 10 SQL*Net message from client 65390
> 351 SQL*Net message from client 65392
> 45 SQL*Net message from client 67376
> 
> 108 rows selected.
> 
> abraços,
> 
> --- Em oracle_br@yahoogrupos.com.br, Ricardo Portilho Proni
> <porti...@...> escreveu
> >
> > Mr Anderson...
> > 
> > Pode executar este SQL durante os picos de CPU, e postar aqui?
> > De preferência, execute ele três vezes seguidas.
> > 
> > SET PAGESIZE 1000
> > SET LINESIZE 170
> > COLUMN EVENT FORMAT A50
> > SELECT W.SID, W.EVENT, W.SECONDS_IN_WAIT FROM V$SESSION_WAIT W ORDER
> BY
> > W.SECONDS_IN_WAIT, W.SID;
> > 
> > - 
> > Ricardo Portilho Proni
> > http://portilho.profissionaloracle.com.br
> > 
> > 
> > 
> > Em Qui, 2009-05-07 às 18:36 +0000, Anderson Ferreira Rodrigues
> escreveu:
> > > 
> > > 
> > > Senhores, boa tarde,
> > > estou com o seguinte problema, uso o Glance e o TOP para realizar
> > > monitoramento das máquinas aqui do trabalho, e tb analiso as
> sessões e
> > > os bloqueios, caso exista, so q tenho notado q mesmo não existindo
> > > bloqueios e e pouco user, a CPU fica em 100%, a memoria fica
> abaixo de
> > > 50%, e temos uma máquina em termos de hardware muito boa, o q
> poderia
> > > fazer para monitar o q ta ocorrendo?
> > > 
> > > 
> > > 
> > > 
> > >
> >
> 
> 
> 
> 
> 

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