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kpatch-build: make xtrace output less verbose 

With '--debug', most of the xtrace output shows the reading of the
.config and Module.symvers files, which isn't very useful and floods the
rest of the xtrace output.  Temporarily disable xtrace before reading
the files.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
This commit is contained in:
Josh Poimboeuf 2022-05-11 13:54:24 -07:00
parent f6e0142b3c
commit 0c5a1e7753
1 changed files with 34 additions and 20 deletions
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54
kpatch-build/kpatch-build
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@ -97,6 +97,18 @@ logger() {
fi
}
trace_on() {
if [[ $DEBUG -eq 1 ]] || [[ $DEBUG -ge 3 ]]; then
set -o xtrace
fi
}
trace_off() {
if [[ $DEBUG -eq 1 ]] || [[ $DEBUG -ge 3 ]]; then
set +o xtrace
fi
}
save_env() {
export -p | grep -wv -e 'OLDPWD=' -e 'PWD=' > "$ENVFILE"
}
@ -619,9 +631,7 @@ if [[ ${#PATCH_LIST[@]} -eq 0 ]]; then
exit 1
fi
if [[ $DEBUG -eq 1 ]] || [[ $DEBUG -ge 3 ]]; then
set -o xtrace
fi
trace_on
if [[ -n "$SRCRPM" ]]; then
if [[ -n "$ARCHVERSION" ]]; then
@ -822,9 +832,11 @@ fi
# kernel option checking
trace_off "reading .config"
# Don't check external file.
# shellcheck disable=SC1090
source "$CONFIGFILE"
trace_on
[[ -z "$CONFIG_DEBUG_INFO" ]] && die "kernel doesn't have 'CONFIG_DEBUG_INFO' enabled"
@ -971,26 +983,28 @@ fi
grep -q vmlinux "$KERNEL_SRCDIR/Module.symvers" || die "truncated $KERNEL_SRCDIR/Module.symvers file"
if [[ -n "$CONFIG_MODVERSIONS" ]]; then
while read -ra sym_line; do
if [[ ${#sym_line[@]} -lt 4 ]]; then
die "Malformed ${TEMPDIR}/Module.symvers file"
fi
trace_off "reading Module.symvers"
while read -ra sym_line; do
if [[ ${#sym_line[@]} -lt 4 ]]; then
die "Malformed ${TEMPDIR}/Module.symvers file"
fi
sym=${sym_line[1]}
sym=${sym_line[1]}
read -ra patched_sym_line <<< "$(grep "\s$sym\s" "$BUILDDIR/Module.symvers")"
if [[ ${#patched_sym_line[@]} -lt 4 ]]; then
die "Malformed symbol entry for ${sym} in ${BUILDDIR}/Module.symvers file"
fi
read -ra patched_sym_line <<< "$(grep "\s$sym\s" "$BUILDDIR/Module.symvers")"
if [[ ${#patched_sym_line[@]} -lt 4 ]]; then
die "Malformed symbol entry for ${sym} in ${BUILDDIR}/Module.symvers file"
fi
# Assume that both original and patched symvers have the same format.
# In both cases, the symbol should have the same CRC, belong to the same
# Module/Namespace and have the same export type.
if [[ ${#sym_line[@]} -ne ${#patched_sym_line[@]} || \
"${sym_line[*]}" != "${patched_sym_line[*]}" ]]; then
warn "Version disagreement for symbol ${sym}"
fi
done < "${TEMPDIR}/Module.symvers"
# Assume that both original and patched symvers have the same format.
# In both cases, the symbol should have the same CRC, belong to the same
# Module/Namespace and have the same export type.
if [[ ${#sym_line[@]} -ne ${#patched_sym_line[@]} || \
"${sym_line[*]}" != "${patched_sym_line[*]}" ]]; then
warn "Version disagreement for symbol ${sym}"
fi
done < "${TEMPDIR}/Module.symvers"
trace_on
fi
# Read as words, no quotes.