Fernando Ipar

This PR adds the --collect-mysql option, which is enabled by default. If disabled (by specifying --no-collect-mysql) then none of the MySQL collectors (or checks, such as presence of mysql and...

replaced have_innodb for innodb_buffer_pool_size because the former i…

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…s no longer present on 5.7

PT-2133 - added basic support for MongoDB to pt-stalk

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This branch adds basic MongoDB support to pt-stalk, adding the --mongo option, which: - Disables the MySQL collectors, - Collects db.currentOp(), db.isMaster(), sh.status(), rs.status() and db.serverStatus() - One of sh.status...

added support for operf if present, and if CMD_OPCONTROL is not set

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This branch updates --collect-oprofile so that it works with oprofile >= 1.0.0 (in which opcontrol is deprecated, as noted by Valeriy here: http://mysqlentomologist.blogspot.com/2017/01/oprofile-basics-for-mysql-profiling.html).

This adds very bare bones collection for mongodb/tokumx (I've tested it successfully against both). It should be improved by capturing more things (and perhaps deciding what to capture depending on...