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linux
linux-davinci
Commits
a084b667
Commit
a084b667
authored
Jan 20, 2010
by
David S. Miller
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sparc: Add missing SW perf fault events.
Signed-off-by:
David S. Miller
<
davem@davemloft.net
>
parent
e7bef6b0
Changes
2
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2 changed files
with
20 additions
and
5 deletions
+20
-5
arch/sparc/mm/fault_32.c
arch/sparc/mm/fault_32.c
+10
-2
arch/sparc/mm/fault_64.c
arch/sparc/mm/fault_64.c
+10
-3
No files found.
arch/sparc/mm/fault_32.c
View file @
a084b667
...
...
@@ -18,6 +18,7 @@
#include <linux/signal.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/perf_event.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kdebug.h>
...
...
@@ -203,6 +204,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
if
(
in_atomic
()
||
!
mm
)
goto
no_context
;
perf_sw_event
(
PERF_COUNT_SW_PAGE_FAULTS
,
1
,
0
,
regs
,
address
);
down_read
(
&
mm
->
mmap_sem
);
/*
...
...
@@ -249,10 +252,15 @@ good_area:
goto
do_sigbus
;
BUG
();
}
if
(
fault
&
VM_FAULT_MAJOR
)
if
(
fault
&
VM_FAULT_MAJOR
)
{
current
->
maj_flt
++
;
else
perf_sw_event
(
PERF_COUNT_SW_PAGE_FAULTS_MAJ
,
1
,
0
,
regs
,
address
);
}
else
{
current
->
min_flt
++
;
perf_sw_event
(
PERF_COUNT_SW_PAGE_FAULTS_MIN
,
1
,
0
,
regs
,
address
);
}
up_read
(
&
mm
->
mmap_sem
);
return
;
...
...
arch/sparc/mm/fault_64.c
View file @
a084b667
...
...
@@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/perf_event.h>
#include <linux/interrupt.h>
#include <linux/kprobes.h>
#include <linux/kdebug.h>
...
...
@@ -296,6 +297,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
if
(
in_atomic
()
||
!
mm
)
goto
intr_or_no_mm
;
perf_sw_event
(
PERF_COUNT_SW_PAGE_FAULTS
,
1
,
0
,
regs
,
address
);
if
(
!
down_read_trylock
(
&
mm
->
mmap_sem
))
{
if
((
regs
->
tstate
&
TSTATE_PRIV
)
&&
!
search_exception_tables
(
regs
->
tpc
))
{
...
...
@@ -400,11 +403,15 @@ good_area:
goto
do_sigbus
;
BUG
();
}
if
(
fault
&
VM_FAULT_MAJOR
)
if
(
fault
&
VM_FAULT_MAJOR
)
{
current
->
maj_flt
++
;
else
perf_sw_event
(
PERF_COUNT_SW_PAGE_FAULTS_MAJ
,
1
,
0
,
regs
,
address
);
}
else
{
current
->
min_flt
++
;
perf_sw_event
(
PERF_COUNT_SW_PAGE_FAULTS_MIN
,
1
,
0
,
regs
,
address
);
}
up_read
(
&
mm
->
mmap_sem
);
mm_rss
=
get_mm_rss
(
mm
);
...
...
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