** Changed in: ubuntu-report (Ubuntu)
Assignee: (unassigned) => William Wilson (jawn-smith)
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https://bugs.launchpad.net/bugs/1922712
Title:
add metric for new glibc hwcaps
Status in ubuntu-report package in Ubuntu:
New
Bug description:
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.
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