6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-11 00:39:36 +00:00
Code Issues Projects Releases Wiki Activity

* Add new -track-memory option to tools which enables the mem usage column in the reports.

Browse Source 
This is now optional (and defaults to off) because mallinfo can be VERY slow as it
seems to touch every page of allocated memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5448 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-01-30 23:08:50 +00:00
parent 49f2012140
commit 3f39849003
2 changed files with 28 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lib/Support/Timer.cpp
View File

@ -5,6 +5,7 @@
//===----------------------------------------------------------------------===//
#include "Support/Timer.h"
#include "Support/CommandLine.h"
#include <sys/resource.h>
#include <sys/time.h>
#include <sys/unistd.h>
@ -15,6 +16,13 @@
#include <algorithm>
#include <functional>
namespace {
cl::opt<bool>
TrackSpace("track-memory", cl::desc("Enable -time-passes memory "
"tracking (this may be slow)"),
cl::Hidden);
}
// getNumBytesToNotCount - This function is supposed to return the number of
// bytes that are to be considered not allocated, even though malloc thinks they
// are allocated.
@ -65,8 +73,12 @@ Timer::~Timer() {
}
static long getMemUsage() {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd-getNumBytesToNotCount()*/;
if (TrackSpace) {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd-getNumBytesToNotCount()*/;
} else {
return 0;
}
}
struct TimeRecord {

16
support/lib/Support/Timer.cpp
View File

@ -5,6 +5,7 @@
//===----------------------------------------------------------------------===//
#include "Support/Timer.h"
#include "Support/CommandLine.h"
#include <sys/resource.h>
#include <sys/time.h>
#include <sys/unistd.h>
@ -15,6 +16,13 @@
#include <algorithm>
#include <functional>
namespace {
cl::opt<bool>
TrackSpace("track-memory", cl::desc("Enable -time-passes memory "
"tracking (this may be slow)"),
cl::Hidden);
}
// getNumBytesToNotCount - This function is supposed to return the number of
// bytes that are to be considered not allocated, even though malloc thinks they
// are allocated.
@ -65,8 +73,12 @@ Timer::~Timer() {
}
static long getMemUsage() {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd-getNumBytesToNotCount()*/;
if (TrackSpace) {
struct mallinfo MI = mallinfo();
return MI.uordblks/*+MI.hblkhd-getNumBytesToNotCount()*/;
} else {
return 0;
}
}
struct TimeRecord {