c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2024-12-25 02:49:32 +03:00
Code Issues Packages Projects Releases Wiki Activity

zloop: print backtrace from core files

Browse Source 
Find the core file by using `/proc/sys/kernel/core_pattern`

Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4874
This commit is contained in:
Gvozden Neskovic 2016-07-24 21:55:48 +02:00 committed by Brian Behlendorf
parent f4bc1bbe11
commit 20da056688
1 changed files with 27 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
scripts/zloop.sh
View File

@ -63,9 +63,25 @@ function or_die
fi
}
# core file helpers
origcorepattern="$(cat /proc/sys/kernel/core_pattern)"
coreglob="$(egrep -o '^([^|%[:space:]]*)' /proc/sys/kernel/core_pattern)*"
if [[ $coreglob = "*" ]]; then
echo "Setting core file pattern..."
echo "core" > /proc/sys/kernel/core_pattern
coreglob="$(egrep -o '^([^|%[:space:]]*)' /proc/sys/kernel/core_pattern)*"
fi
function core_file
{
printf "%s" "$(ls -tr1 $coreglob 2> /dev/null | head -1)"
}
function store_core
{
if [[ $ztrc -ne 0 ]] || [[ -f core ]]; then
core="$(core_file)"
if [[ $ztrc -ne 0 ]] || [[ -f "$core" ]]; then
coreid=$(date "+zloop-%y%m%d-%H%M%S")
foundcrashes=$(($foundcrashes + 1))
@ -82,7 +98,7 @@ function store_core
or_die mv $workdir/zpool.cache $dest/vdev/
# check for core
if [[ -f core ]]; then
if [[ -f "$core" ]]; then
corestatus=$($GDB --batch --quiet \
-ex "set print thread-events off" \
-ex "printf \"*\n* Backtrace \n*\n\"" \
@ -95,14 +111,14 @@ function store_core
-ex "thread apply all bt" \
-ex "printf \"*\n* Backtraces (full) \n*\n\"" \
-ex "thread apply all bt full" \
-ex "quit" $ZTEST core | grep -v "New LWP")
-ex "quit" $ZTEST "$core" | grep -v "New LWP")
# Dump core + logs to stored directory
echo "$corestatus" >>$dest/status
or_die mv core $dest/
or_die mv "$core" $dest/
# Record info in cores logfile
echo "*** core @ $coredir/$coreid/core:" | \
echo "*** core @ $coredir/$coreid/$core:" | \
tee -a ztest.cores
echo "$corestatus" | tee -a ztest.cores
echo "" | tee -a ztest.cores
@ -135,8 +151,9 @@ shift $((OPTIND - 1))
# enable core dumps
ulimit -c unlimited
if [[ -f core ]]; then
echo "There's a core dump here you might want to look at first."
if [[ -f "$(core_file)" ]]; then
echo -n "There's a core dump here you might want to look at first... "
echo "$(core_file)"
exit 1
fi
@ -206,6 +223,9 @@ done
echo "zloop finished, $foundcrashes crashes found"
#restore core pattern
echo "$origcorepattern" > /proc/sys/kernel/core_pattern
uptime >>ztest.out
if [[ $foundcrashes -gt 0 ]]; then