So... you want to only run your check once an hour and see whether it has run three times?
Code:
if [[ "$(grep -Eqc ": $h:(15|30|45):.*SendToCM: run\(\)" schedulerTrace.log)" -eq 3 ]]
then
echo job did run 3 times in the hour
else
echo job did not run 3 times in the hour
fi
