mirror of
https://github.com/MariaDB/server.git
synced 2025-01-22 23:04:20 +01:00
36 lines
741 B
D
36 lines
741 B
D
#!/usr/sbin/dtrace -s
|
|
#
|
|
# Show query execution times, indicating whether the query-cache was used
|
|
|
|
#pragma D option quiet
|
|
|
|
dtrace:::BEGIN
|
|
{
|
|
printf("%-20s %-20s %-40s %2s %-9s\n", "Who", "Database", "Query", "QC", "Time(ms)");
|
|
}
|
|
|
|
mysql*:::query-start
|
|
{
|
|
self->query = copyinstr(arg0);
|
|
self->connid = arg1;
|
|
self->db = copyinstr(arg2);
|
|
self->who = strjoin(copyinstr(arg3),strjoin("@",copyinstr(arg4)));
|
|
self->querystart = timestamp;
|
|
self->qc = 0;
|
|
}
|
|
|
|
mysql*:::query-cache-hit
|
|
{
|
|
self->qc = 1;
|
|
}
|
|
|
|
mysql*:::query-cache-miss
|
|
{
|
|
self->qc = 0;
|
|
}
|
|
|
|
mysql*:::query-done
|
|
{
|
|
printf("%-20s %-20s %-40s %-2s %-9d\n",self->who,self->db,self->query,(self->qc ? "Y" : "N"),
|
|
(timestamp - self->querystart) / 1000000);
|
|
}
|