support for builtin profiler

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1751 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-02-08 22:40:15 +00:00
parent 05c2a3e731
commit 5f1ce9487c
2 changed files with 81 additions and 5 deletions

View file

@ -867,4 +867,24 @@ void cpu_tlb_update_dirty(CPUState *env);
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
/* profiling */
#ifdef CONFIG_PROFILER
static inline int64_t profile_getclock(void)
{
int64_t val;
asm volatile ("rdtsc" : "=A" (val));
return val;
}
extern int64_t kqemu_time, kqemu_time_start;
extern int64_t qemu_time, qemu_time_start;
extern int64_t tlb_flush_time;
extern int64_t kqemu_exec_count;
extern int64_t dev_time;
extern int64_t kqemu_ret_int_count;
extern int64_t kqemu_ret_excp_count;
extern int64_t kqemu_ret_intr_count;
#endif
#endif /* CPU_ALL_H */