pgsql: Add support for additional DTrace probes.

Log Message:
-----------
Add support for additional DTrace probes.

Robert Lor

Modified Files:
--------------
pgsql/src/backend/access/transam:
slru.c (r1.45 -> r1.46)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/slru.c?r1=1.45&r2=1.46)
pgsql/src/backend/executor:
execScan.c (r1.44 -> r1.45)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/execScan.c?r1=1.44&r2=1.45)
nodeAgg.c (r1.164 -> r1.165)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeAgg.c?r1=1.164&r2=1.165)
nodeGroup.c (r1.73 -> r1.74)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeGroup.c?r1=1.73&r2=1.74)
nodeHash.c (r1.118 -> r1.119)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeHash.c?r1=1.118&r2=1.119)
nodeHashjoin.c (r1.98 -> r1.99)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeHashjoin.c?r1=1.98&r2=1.99)
nodeLimit.c (r1.36 -> r1.37)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeLimit.c?r1=1.36&r2=1.37)
nodeMaterial.c (r1.66 -> r1.67)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeMaterial.c?r1=1.66&r2=1.67)
nodeMergejoin.c (r1.94 -> r1.95)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeMergejoin.c?r1=1.94&r2=1.95)
nodeNestloop.c (r1.50 -> r1.51)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeNestloop.c?r1=1.50&r2=1.51)
nodeSetOp.c (r1.28 -> r1.29)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeSetOp.c?r1=1.28&r2=1.29)
nodeSort.c (r1.63 -> r1.64)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeSort.c?r1=1.63&r2=1.64)
nodeSubplan.c (r1.96 -> r1.97)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeSubplan.c?r1=1.96&r2=1.97)
nodeUnique.c (r1.58 -> r1.59)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeUnique.c?r1=1.58&r2=1.59)
pgsql/src/backend/utils:
probes.d (r1.9 -> r1.10)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/probes.d?r1=1.9&r2=1.10)