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Bug fix. When GetNumCores failed it will return -1, which is a huge number if cast to unsigned int.

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Review URL: http://webrtc-codereview.appspot.com/116005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@371 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
wu@webrtc.org 2011-08-16 00:03:36 +00:00
parent 56294c61c9
commit 3d48d5b107
1 changed files with 22 additions and 15 deletions
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37
src/system_wrappers/source/cpu_linux.cc
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@ -17,22 +17,29 @@
namespace webrtc {
CpuLinux::CpuLinux()
{
m_oldBusyTime = 0;
m_oldIdleTime = 0;
m_numCores = 0;
m_numCores = GetNumCores();
m_oldBusyTimeMulti = new long long[m_numCores];
memset(m_oldBusyTimeMulti, 0, sizeof(long long) * m_numCores);
m_oldIdleTimeMulti = new long long[m_numCores];
memset(m_oldIdleTimeMulti, 0, sizeof(long long) * m_numCores);
m_idleArray = new long long[m_numCores];
memset(m_idleArray, 0, sizeof(long long) * m_numCores);
m_busyArray = new long long[m_numCores];
memset(m_busyArray, 0, sizeof(long long) * m_numCores);
m_resultArray = new WebRtc_UWord32[m_numCores];
: m_oldBusyTime(0),
m_oldIdleTime(0),
m_oldBusyTimeMulti(NULL),
m_oldIdleTimeMulti(NULL),
m_idleArray(NULL),
m_busyArray(NULL),
m_resultArray(NULL),
m_numCores(0) {
const int result = GetNumCores();
if (result != -1) {
m_numCores = result;
m_oldBusyTimeMulti = new long long[m_numCores];
memset(m_oldBusyTimeMulti, 0, sizeof(long long) * m_numCores);
m_oldIdleTimeMulti = new long long[m_numCores];
memset(m_oldIdleTimeMulti, 0, sizeof(long long) * m_numCores);
m_idleArray = new long long[m_numCores];
memset(m_idleArray, 0, sizeof(long long) * m_numCores);
m_busyArray = new long long[m_numCores];
memset(m_busyArray, 0, sizeof(long long) * m_numCores);
m_resultArray = new WebRtc_UWord32[m_numCores];
GetData(m_oldBusyTime, m_oldIdleTime, m_busyArray, m_idleArray);
GetData(m_oldBusyTime, m_oldIdleTime, m_busyArray, m_idleArray);
}
}
CpuLinux::~CpuLinux()