[RFC 0/5] perf, tool: uncore related changes

[Jiri Olsa]

hi,
this patchset is based on parsing fixies I just sent out
and CC-ed you.

I found a way to reuse the event parsing grammar for just
term parsing. I had to make some other changes as well:

  - we end up with 2 start symbols for event grammar to differentiate
    between event parsing and terms parsing

  - we have now 2 diferent structures with parser arguments
    for each event parsing and terms parsing

  - I kept the reentrant parser.. it's not needed but I think
    it's better than non reentrant ;)
    I'm passing yyscanner instead of yylval and yytext as you did,
    because you can get yylval and yytext out of yyscanner,
    also I think it's more generic

  - added automated tests for terms parsing, but we need automated
    tests for term aliasing (patch 4/5) .. similar pmu tests as
    for pmu format parsing

attached patches:
  1/5 perf, tool: Use data struct for arg passing in event parse function
  2/5 perf, tool: Make the event parser reentrantable
  3/5 perf, tool: Add support to reuse event grammar to parse out terms
  4/5 perf, tool: Add pmu event alias support
  5/5 perf, tool: Add automated test for pure terms parsing

thanks for comments,
jirka
---
 tools/perf/util/parse-events-test.c |  122 +++++++++++++++++++++++++++-
 tools/perf/util/parse-events.c      |   71 ++++++++++++++---
 tools/perf/util/parse-events.h      |   15 +++-
 tools/perf/util/parse-events.l      |  129 ++++++++++++++++++-----------
 tools/perf/util/parse-events.y      |   71 ++++++++++++-----
 tools/perf/util/pmu.c               |  152 +++++++++++++++++++++++++++++++++++
 tools/perf/util/pmu.h               |   11 +++-
 7 files changed, 483 insertions(+), 88 deletions(-)
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