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go
golang
Commits
baf53840
Commit
baf53840
authored
Mar 26, 2010
by
Russ Cox
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pprof: dump extra heap information at end of heap profile
R=r CC=golang-dev
https://golang.org/cl/786041
parent
f375791a
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pprof.go
src/pkg/runtime/pprof/pprof.go
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src/pkg/runtime/pprof/pprof.go
View file @
baf53840
...
...
@@ -69,5 +69,29 @@ func WriteHeapProfile(w io.Writer) os.Error {
}
fmt
.
Fprintf
(
b
,
"
\n
"
)
}
// Print memstats information too.
// Pprof will ignore, but useful for people.
s
:=
&
runtime
.
MemStats
fmt
.
Fprintf
(
b
,
"
\n
# runtime.MemStats
\n
"
)
fmt
.
Fprintf
(
b
,
"# Alloc = %d
\n
"
,
s
.
Alloc
)
fmt
.
Fprintf
(
b
,
"# TotalAlloc = %d
\n
"
,
s
.
TotalAlloc
)
fmt
.
Fprintf
(
b
,
"# Sys = %d
\n
"
,
s
.
Sys
)
fmt
.
Fprintf
(
b
,
"# Stacks = %d
\n
"
,
s
.
Stacks
)
fmt
.
Fprintf
(
b
,
"# InusePages = %d
\n
"
,
s
.
InusePages
)
fmt
.
Fprintf
(
b
,
"# NextGC = %d
\n
"
,
s
.
NextGC
)
fmt
.
Fprintf
(
b
,
"# HeapAlloc = %d
\n
"
,
s
.
HeapAlloc
)
fmt
.
Fprintf
(
b
,
"# Lookups = %d
\n
"
,
s
.
Lookups
)
fmt
.
Fprintf
(
b
,
"# Mallocs = %d
\n
"
,
s
.
Mallocs
)
fmt
.
Fprintf
(
b
,
"# PauseNs = %d
\n
"
,
s
.
PauseNs
)
fmt
.
Fprintf
(
b
,
"# NumGC = %d
\n
"
,
s
.
NumGC
)
fmt
.
Fprintf
(
b
,
"# EnableGC = %v
\n
"
,
s
.
EnableGC
)
fmt
.
Fprintf
(
b
,
"# DebugGC = %v
\n
"
,
s
.
DebugGC
)
fmt
.
Fprintf
(
b
,
"# BySize = Size * (Active = Mallocs - Frees)
\n
"
)
for
_
,
t
:=
range
s
.
BySize
{
if
t
.
Mallocs
>
0
{
fmt
.
Fprintf
(
b
,
"# %d * (%d = %d - %d)
\n
"
,
t
.
Size
,
t
.
Mallocs
-
t
.
Frees
,
t
.
Mallocs
,
t
.
Frees
)
}
}
return
b
.
Flush
()
}
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