31974da6e3
* Let tests run without bash * Import pmcstat callgraph format This eliminates the need for stackcollapse-pmc.pl and its dependency on Perl to import FreeBSD callgraphs. Tracing can be done completely with tools included in the base system. For example: ``` # kldload hwpmc # pmcstat -S instructions -O sample.out sleep 1 # pmcstat -R sample.out -G sample.pmcstat.graph ```