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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

Manual merge from mysql-next-mr.

Conflicts:
  - sql/log_event.cc
  - sql/sql_class.h
This commit is contained in:
Alexander Nozdrin
2010-02-15 14:16:49 +03:00
212 changed files with 6025 additions and 2402 deletions

View File

@ -131,6 +131,26 @@ int make_profile_table_for_show(THD *thd, ST_SCHEMA_TABLE *schema_table)
#define RUSAGE_USEC(tv) ((tv).tv_sec*1000*1000 + (tv).tv_usec)
#define RUSAGE_DIFF_USEC(tv1, tv2) (RUSAGE_USEC((tv1))-RUSAGE_USEC((tv2)))
#ifdef _WIN32
static ULONGLONG FileTimeToQuadWord(FILETIME *ft)
{
// Overlay FILETIME onto a ULONGLONG.
union {
ULONGLONG qwTime;
FILETIME ft;
} u;
u.ft = *ft;
return u.qwTime;
}
// Get time difference between to FILETIME objects in seconds.
static double GetTimeDiffInSeconds(FILETIME *a, FILETIME *b)
{
return ((FileTimeToQuadWord(a) - FileTimeToQuadWord(b)) / 1e7);
}
#endif
PROF_MEASUREMENT::PROF_MEASUREMENT(QUERY_PROFILE *profile_arg, const char
*status_arg)
@ -221,6 +241,12 @@ void PROF_MEASUREMENT::collect()
time_usecs= (double) my_getsystime() / 10.0; /* 1 sec was 1e7, now is 1e6 */
#ifdef HAVE_GETRUSAGE
getrusage(RUSAGE_SELF, &rusage);
#elif defined(_WIN32)
FILETIME ftDummy;
// NOTE: Get{Process|Thread}Times has a granularity of the clock interval,
// which is typically ~15ms. So intervals shorter than that will not be
// measurable by this function.
GetProcessTimes(GetCurrentProcess(), &ftDummy, &ftDummy, &ftKernel, &ftUser);
#endif
}
@ -586,6 +612,23 @@ int PROFILING::fill_statistics_info(THD *thd, TABLE_LIST *tables, Item *cond)
(1000.0*1000),
&cpu_stime_decimal);
table->field[4]->store_decimal(&cpu_utime_decimal);
table->field[5]->store_decimal(&cpu_stime_decimal);
table->field[4]->set_notnull();
table->field[5]->set_notnull();
#elif defined(_WIN32)
my_decimal cpu_utime_decimal, cpu_stime_decimal;
double2my_decimal(E_DEC_FATAL_ERROR,
GetTimeDiffInSeconds(&entry->ftUser,
&previous->ftUser),
&cpu_utime_decimal);
double2my_decimal(E_DEC_FATAL_ERROR,
GetTimeDiffInSeconds(&entry->ftKernel,
&previous->ftKernel),
&cpu_stime_decimal);
// Store the result.
table->field[4]->store_decimal(&cpu_utime_decimal);
table->field[5]->store_decimal(&cpu_stime_decimal);
table->field[4]->set_notnull();