On Wed, May 05, 2010 at 09:11:27AM -0700, Yossi Lev wrote: > I just found a function that (sort of) does what I need: it is called > lltostr and it takes a long long integer, and returns a string that > represents it. (Unfortunately I didn't find an option to do the > translation in hexadecimal, but I can live with that...) > > As for your question, I need to use the numbers as a key to an > aggregation, but I need to concatenate a few of those. In > particular, I have a sequence of N numbers where N < 9, and I need to > count how many times I'm getting each sequence. The value of N may > be different in separate invocations of the probe function, so I > would like to use an unrolled loop to concatenate the N numbers to > single string representing the sequence, and then use the string as > the key to my aggregation. > > Do you see any other option but to use the lltostr function to and > concatenate the resulted strings?
Yes: aggregations take multiple keys, not just one, so rather than format a string with all the key content that you need: use a comma- separated list of expressions of various types as the key. See: http://docs.sun.com/app/docs/doc/819-5488/gcggh?a=view Nico -- _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
