Public bug reported:
we want to collect information which most recent hwcap is supported by a
machine. The result should be a string like "x86-64-v2", "x86-64-v3",
"x86-64-v4", "z13", "z14", "p9", "p10" depending on "ld-linux --help"
output. The string should be empty for architectures without glibc
hwcaps (currently armhf, arm64, i386, riscv64). The string should be
empty if no specific hwcaps is supported (e.g. on a power8 machine). The
string should be "N/A" (not available), when trying to run ld-linux on a
release with glibc (<< 2.33).
Note that lexical sorting won't work for "p9", "p10".
if test -x /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2; then
lddynload=/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
elif test -x /lib/powerpc64le-linux-gnu/ld64.so.2; then
lddynload=/lib/powerpc64le-linux-gnu/ld64.so.2
elif test -x /lib/s390x-linux-gnu/ld64.so.1; then
lddynload=/lib/s390x-linux-gnu/ld64.so.1
fi
supported=
if [ -n "$lddynload" ]; then
$lddynload --help 2>&1 | awk '/^Subdirectories/,/^$/'
supported=$($lddynload --help 2>&1 | awk '/^Subdirectories/,/^$/' | awk
'/supported/ {print $1}')
fi
Here, $supported has listed all supported hwcaps, not just the best
supported one.
** Affects: ubuntu-report (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1922712
Title:
add metric for new glibc hwcaps
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