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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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cb21c68d
编写于
7月 27, 2021
作者:
L
Lingrui98
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电子邮件补丁
差异文件
ftq: add perf counters
上级
5c97167d
变更
1
隐藏空白更改
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1 changed file
with
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src/main/scala/xiangshan/decoupled-frontend/NewFtq.scala
src/main/scala/xiangshan/decoupled-frontend/NewFtq.scala
+68
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src/main/scala/xiangshan/decoupled-frontend/NewFtq.scala
浏览文件 @
cb21c68d
...
...
@@ -80,6 +80,10 @@ class Ftq_pd_Entry(implicit p: Parameters) extends XSBundle {
val
jmpInfo
=
ValidUndirectioned
(
Vec
(
3
,
Bool
()))
val
jmpOffset
=
UInt
(
4.
W
)
val
rvcMask
=
Vec
(
16
,
Bool
())
def
hasJal
=
jmpInfo
.
valid
&&
!
jmpInfo
.
bits
(
0
)
def
hasJalr
=
jmpInfo
.
valid
&&
jmpInfo
.
bits
(
0
)
def
hasCall
=
jmpInfo
.
valid
&&
jmpInfo
.
bits
(
1
)
def
hasRet
=
jmpInfo
.
valid
&&
jmpInfo
.
bits
(
2
)
}
class
Ftq_Redirect_SRAMEntry
(
implicit
p
:
Parameters
)
extends
XSBundle
{
...
...
@@ -836,6 +840,70 @@ class Ftq(implicit p: Parameters) extends XSModule with HasCircularQueuePtrHelpe
XSPerfAccumulate
(
"mispredictRedirect"
,
perf_redirect
.
valid
&&
RedirectLevel
.
flushAfter
===
perf_redirect
.
bits
.
level
)
XSPerfAccumulate
(
"replayRedirect"
,
perf_redirect
.
valid
&&
RedirectLevel
.
flushItself
(
perf_redirect
.
bits
.
level
))
if
(!
env
.
FPGAPlatform
&&
env
.
EnablePerfDebug
)
{
val
commit_inst_mask
=
VecInit
(
commitStateQueue
(
commPtr
.
value
).
map
(
c
=>
c
===
c_commited
&&
do_commit
)).
asUInt
val
commit_mispred_mask
=
mispredict_vec
(
commPtr
.
value
).
asUInt
val
commit_not_mispred_mask
=
~
commit_mispred_mask
val
commit_br_mask
=
commit_pd
.
brMask
.
asUInt
val
commit_jmp_mask
=
UIntToOH
(
commit_pd
.
jmpOffset
)
&
Fill
(
PredictWidth
,
commit_pd
.
jmpInfo
.
valid
.
asTypeOf
(
UInt
(
1.
W
)))
val
commit_cfi_mask
=
(
commit_br_mask
|
commit_jmp_mask
)
val
commit_jal_mask
=
UIntToOH
(
commit_pd
.
jmpOffset
)
&
Fill
(
PredictWidth
,
commit_pd
.
hasJal
.
asTypeOf
(
UInt
(
1.
W
)))
val
commit_jalr_mask
=
UIntToOH
(
commit_pd
.
jmpOffset
)
&
Fill
(
PredictWidth
,
commit_pd
.
hasJalr
.
asTypeOf
(
UInt
(
1.
W
)))
val
commit_call_mask
=
UIntToOH
(
commit_pd
.
jmpOffset
)
&
Fill
(
PredictWidth
,
commit_pd
.
hasCall
.
asTypeOf
(
UInt
(
1.
W
)))
val
commit_ret_mask
=
UIntToOH
(
commit_pd
.
jmpOffset
)
&
Fill
(
PredictWidth
,
commit_pd
.
hasRet
.
asTypeOf
(
UInt
(
1.
W
)))
val
mbpInstrs
=
commit_inst_mask
&
commit_cfi_mask
val
mbpRights
=
commit_inst_mask
&
commit_not_mispred_mask
val
mbpBRights
=
mbpRights
&
commit_br_mask
val
mbpJRights
=
mbpRights
&
commit_jal_mask
val
mbpIRights
=
mbpRights
&
commit_jalr_mask
val
mbpCRights
=
mbpRights
&
commit_call_mask
val
mbpRRights
=
mbpRights
&
commit_ret_mask
val
mbpWrongs
=
commit_inst_mask
&
commit_mispred_mask
val
mbpBWrongs
=
mbpWrongs
&
commit_br_mask
val
mbpJWrongs
=
mbpWrongs
&
commit_jal_mask
val
mbpIWrongs
=
mbpWrongs
&
commit_jalr_mask
val
mbpCWrongs
=
mbpWrongs
&
commit_call_mask
val
mbpRWrongs
=
mbpWrongs
&
commit_ret_mask
val
perfCountsMap
=
Map
(
"BpInstr"
->
PopCount
(
mbpInstrs
),
"BpBInstr"
->
PopCount
(
mbpBRights
|
mbpBWrongs
),
"BpRight"
->
PopCount
(
mbpRights
),
"BpWrong"
->
PopCount
(
mbpWrongs
),
"BpBRight"
->
PopCount
(
mbpBRights
),
"BpBWrong"
->
PopCount
(
mbpBWrongs
),
"BpJRight"
->
PopCount
(
mbpJRights
),
"BpJWrong"
->
PopCount
(
mbpJWrongs
),
"BpIRight"
->
PopCount
(
mbpIRights
),
"BpIWrong"
->
PopCount
(
mbpIWrongs
),
"BpCRight"
->
PopCount
(
mbpCRights
),
"BpCWrong"
->
PopCount
(
mbpCWrongs
),
"BpRRight"
->
PopCount
(
mbpRRights
),
"BpRWrong"
->
PopCount
(
mbpRWrongs
),
// "ubtbRight" -> PopCount(ubtbRights),
// "ubtbWrong" -> PopCount(ubtbWrongs),
// "btbRight" -> PopCount(btbRights),
// "btbWrong" -> PopCount(btbWrongs),
// "tageRight" -> PopCount(tageRights),
// "tageWrong" -> PopCount(tageWrongs),
// "rasRight" -> PopCount(rasRights),
// "rasWrong" -> PopCount(rasWrongs),
// "loopRight" -> PopCount(loopRights),
// "loopWrong" -> PopCount(loopWrongs),
)
for
((
key
,
value
)
<-
perfCountsMap
)
{
XSPerfAccumulate
(
key
,
value
)
}
}
// val predRights = (0 until PredictWidth).map{i => !commitEntry.mispred(i) && !commitEntry.pd(i).notCFI && commitEntry.valids(i)}
// val predWrongs = (0 until PredictWidth).map{i => commitEntry.mispred(i) && !commitEntry.pd(i).notCFI && commitEntry.valids(i)}
...
...
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