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Lib: Remove Stopwatch class

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This was a hack used to profile things before we had a proper profiler.
Since RDTSC is not available in userspace, this is not useful anymore.
This commit is contained in:
Andreas Kling 2020-01-03 09:10:55 +01:00
parent 889ecd1375
commit 23e4e03233
1 changed files with 0 additions and 33 deletions
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33
Libraries/LibC/serenity.h
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@ -3,39 +3,6 @@
#include <stdio.h>
#include <unistd.h>
#ifdef __cplusplus
struct Stopwatch {
union SplitQword {
struct {
uint32_t lsw;
uint32_t msw;
};
uint64_t qw { 0 };
};
public:
Stopwatch(const char* name)
: m_name(name)
{
read_tsc(&m_start.lsw, &m_start.msw);
}
~Stopwatch()
{
SplitQword end;
read_tsc(&end.lsw, &end.msw);
uint64_t diff = end.qw - m_start.qw;
dbgprintf("Stopwatch(%s): %Q ticks\n", m_name, diff);
}
private:
const char* m_name { nullptr };
SplitQword m_start;
};
#endif // __cplusplus
__BEGIN_DECLS
int module_load(const char* path, size_t path_length);