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#
# matching the following output specified as a pattern that verifies
# that the numerical values conform to a specific pattern, rather than
# specific values.
#
# -gccause 0
#
# S0 S1 E O M CCS YGC YGCT FGC FGCT CGC CGCT GCT LGCC GCC
# 0.00 54.68 0.00 0.00 94.02 84.11 4 0.269 0 0.000 0 0.000 0.269 G1 Evacuation Pause No GC
#
# -J-XX:+UseSerialGC -gccause 0
#
# S0 S1 E O M CCS YGC YGCT FGC FGCT CGC CGCT GCT LGCC GCC
# 78.14 0.00 68.23 15.57 94.69 88.17 4 0.204 0 0.000 - - 0.204 Allocation Failure No GC
BEGIN {
headerlines=0; datalines=0; totallines=0
}
/^ S0 S1 E O M CCS YGC YGCT FGC FGCT CGC CGCT GCT LGCC GCC $/ {
headerlines++;
}
# The following pattern does not verify the validity of the gc cause
# string as the values can vary depending on conditions out of our
# control. To accomodate this variability, the pattern matcher simply
# detects that there are two strings that match a specific pattern
# where the first character is a letter followed by a sequence of zero
# or more letters and spaces. It also provides for the ".", "(", and ")"
# characters to allow for the string "System.gc()".
#
/^[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*([0-9]+\.[0-9]+)|-[ ]*([0-9]+\.[0-9]+)|-[ ]*[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*([0-9]+)|-[ ]*([0-9]+\.[0-9]+)|-[ ]*[0-9]+\.[0-9]+[ ]*[a-zA-Z]+[a-zA-Z \.\(\)]*[ ]*[a-zA-Z]+[a-zA-Z \.\(\)]*$/ {
datalines++;
}
{ totallines++; print $0 }
END {
if ((headerlines == 1) && (datalines == 1)) {
exit 0
}
else {
exit 1
}
}
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