minor bug fixes. using env awk so that it works in mac also, also fix…

…ing name of gc file in config-gc

bin/PrintGCStats

@@ -1,4 +1,4 @@
-#! /usr/bin/gawk -f
+#!/usr/bin/env gawk -f
 
 # Note:  /bin/nawk on Solaris 9 seems to have a bug; the RSTART and RLENGTH
 # vars are not set correctly during the last call to match() in

examples/conf/config-gc

@@ -1,5 +1,5 @@
 [GC]
-infile=gc_g1.log
+infile=g1.log
 sub_metrics=appstop alloc promo used0 used1 used commit0 commit1 commit gen0 gen0t gen0usr gen0sys gen0real gen1t cmsIM cmsRM cmsRS GCPause cmsCM cmsCP cmsCS cmsCR safept apptime used0AfterGC used1AfterGC usedAfterGC g1-pause-young g1-pause-mixed g1-pause-remark g1-pause-cleanup g1-pause-remark.ref-proc g1-pause-young.parallel g1-pause-young.parallel.gcworkers g1-pause-young.parallel.ext-root-scanning.avg g1-pause-young.parallel.ext-root-scanning.max g1-pause-young.parallel.update-rs.avg g1-pause-young.parallel.update-rs.max g1-pause-young.parallel.update-rs.processed-buffers.avg g1-pause-young.parallel.update-rs.processed-buffers.max g1-pause-young.parallel.scan-rs.avg g1-pause-young.parallel.scan-rs.max g1-pause-young.parallel.object-copy-rs.avg g1-pause-young.parallel.object-copy-rs.max g1-pause-young.parallel.termination.avg g1-pause-young.parallel.termination.max g1-pause-young.parallel.gc-worker-other.avg g1-pause-young.parallel.gc-worker-other.max g1-pause-young.parallel.gc-worker-total.avg g1-pause-young.parallel.gc-worker-total.max g1-pause-young.parallel.gc-worker-end.avg g1-pause-young.parallel.gc-worker-end.max g1-pause-young.code-root-fixup g1-pause-young.clear-ct g1-pause-young.other g1-pause-young.other.choose-cset g1-pause-young.other.ref-proc g1-pause-young.other.reg-enq g1-pause-young.other.free-cset g1-pause-mixed.parallel g1-pause-mixed.parallel.gcworkers g1-pause-mixed.parallel.ext-root-scanning.avg g1-pause-mixed.parallel.ext-root-scanning.max g1-pause-mixed.parallel.update-rs.avg g1-pause-mixed.parallel.update-rs.max g1-pause-mixed.parallel.update-rs.processed-buffers.avg g1-pause-mixed.parallel.update-rs.processed-buffers.max g1-pause-mixed.parallel.scan-rs.avg g1-pause-mixed.parallel.scan-rs.max g1-pause-mixed.parallel.object-copy-rs.avg g1-pause-mixed.parallel.object-copy-rs.max g1-pause-mixed.parallel.termination.avg g1-pause-mixed.parallel.termination.max g1-pause-mixed.parallel.gc-worker-other.avg g1-pause-mixed.parallel.gc-worker-other.max g1-pause-mixed.parallel.gc-worker-total.avg g1-pause-mixed.parallel.gc-worker-total.max g1-pause-mixed.parallel.gc-worker-end.avg g1-pause-mixed.parallel.gc-worker-end.max g1-pause-mixed.code-root-fixup g1-pause-mixed.clear-ct g1-pause-mixed.other g1-pause-mixed.other.choose-cset g1-pause-mixed.other.ref-proc g1-pause-mixed.other.reg-enq g1-pause-mixed.other.free-cset g1-pause-young.parallel.gc-worker-start.avg g1-pause-young.parallel.gc-worker-start.max g1-pause-mixed.parallel.gc-worker-start.avg g1-pause-mixed.parallel.gc-worker-start.max
 
 [GRAPH]