Merge branch 'jh/trace2-pretty-output'

Output from trace2 subsystem is formatted more prettily now. * jh/trace2-pretty-output: trace2: cleanup whitespace in perf format trace2: cleanup whitespace in normal format quote: add sq_append_quote_argv_pretty() trace2: trim trailing whitespace in normal format error message trace2: remove dead code in maybe_add_string_va() trace2: trim whitespace in region messages in perf target format trace2: cleanup column alignment in perf target format