Hi
I'm using a single printa statement to print multiple aggregations, and I would
like to only show the N lines with the highest value for one of the printed
columns. E.g:
printa("%d %...@d %...@d\n", @totalCost, @totalOccurrences);
and I would like to show the 10 lines with the highest total cost.
Truncating only @totalCost wouldn't work because when printing multiple
aggregations, a line is printed for each key in the *union* of all presented
aggregations.
Truncating both aggregations wouldn't work either because
trunc(@totalOccurrences, 10) may remove different keys than trunc(@totalCost,
10) as each truncation is done according to different values.
Any suggestions?
I know I can post-process the output, but would like to check first if there is
an option to take care of this in the DTrace script itself.
Thanks,
Yossi
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