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47 lines
1.1 KiB
D
47 lines
1.1 KiB
D
#!/usr/sbin/dtrace -s
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#
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# Show the time taken for a query, including the time taken to
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# sort the results using filesort
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#pragma D option quiet
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dtrace:::BEGIN
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{
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printf("%-2s %-10s %-10s %9s %18s %-s \n",
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"St", "Who", "DB", "ConnID", "Dur microsec", "Query");
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}
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mysql*:::query-start
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{
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self->query = copyinstr(arg0);
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self->who = strjoin(copyinstr(arg3),strjoin("@",copyinstr(arg4)));
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self->db = copyinstr(arg2);
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self->connid = arg1;
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self->querystart = timestamp;
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self->filesort = 0;
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self->fsdb = "";
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self->fstable = "";
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}
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mysql*:::filesort-start
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{
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self->filesort = timestamp;
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self->fsdb = copyinstr(arg0);
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self->fstable = copyinstr(arg1);
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}
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mysql*:::filesort-done
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{
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this->elapsed = (timestamp - self->filesort) /1000;
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printf("%2d %-10s %-10s %9d %18d Filesort on %s\n",
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arg0, self->who, self->fsdb,
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self->connid, this->elapsed, self->fstable);
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}
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mysql*:::query-done
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{
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this->elapsed = (timestamp - self->querystart) /1000;
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printf("%2d %-10s %-10s %9d %18d %s\n",
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arg0, self->who, self->db,
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self->connid, this->elapsed, self->query);
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}
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