diff options
Diffstat (limited to 'tools/perf/tests/shell/record+probe_libc_inet_pton.sh')
| -rwxr-xr-x | tools/perf/tests/shell/record+probe_libc_inet_pton.sh | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index f12a4e217968..72c65570db37 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -10,10 +10,13 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 -. $(dirname $0)/lib/probe.sh +# shellcheck source=lib/probe.sh +. "$(dirname "$0")/lib/probe.sh" +# shellcheck source=lib/probe_vfs_getname.sh +. "$(dirname "$0")/lib/probe_vfs_getname.sh" libc=$(grep -w libc /proc/self/maps | head -1 | sed -r 's/.*[[:space:]](\/.*)/\1/g') -nm -Dg $libc 2>/dev/null | fgrep -q inet_pton || exit 254 +nm -Dg $libc 2>/dev/null | grep -F -q inet_pton || exit 254 event_pattern='probe_libc:inet_pton(\_[[:digit:]]+)?' @@ -22,7 +25,7 @@ add_libc_inet_pton_event() { event_name=$(perf probe -f -x $libc -a inet_pton 2>&1 | tail -n +2 | head -n -5 | \ grep -P -o "$event_pattern(?=[[:space:]]\(on inet_pton in $libc\))") - if [ $? -ne 0 -o -z "$event_name" ] ; then + if [ $? -ne 0 ] || [ -z "$event_name" ] ; then printf "FAIL: could not add event\n" return 1 fi @@ -37,34 +40,45 @@ trace_libc_inet_pton_backtrace() { case "$(uname -m)" in s390x) eventattr='call-graph=dwarf,max-stack=4' - echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected echo "(__GI_)?getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected echo "main\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" >> $expected ;; ppc64|ppc64le) eventattr='max-stack=4' - echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected + # Add gaih_inet to expected backtrace only if it is part of libc. + if nm $libc | grep -F -q gaih_inet.; then + echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected + fi echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected ;; *) eventattr='max-stack=3' - echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected ;; esac perf_data=`mktemp -u /tmp/perf.data.XXX` perf_script=`mktemp -u /tmp/perf.script.XXX` + + # Check presence of libtraceevent support to run perf record + skip_no_probe_record_support "$event_name/$eventattr/" + [ $? -eq 2 ] && return 2 + perf record -e $event_name/$eventattr/ -o $perf_data ping -6 -c 1 ::1 > /dev/null 2>&1 - perf script -i $perf_data > $perf_script + # check if perf data file got created in above step. + if [ ! -e $perf_data ]; then + printf "FAIL: perf record failed to create \"%s\" \n" "$perf_data" + return 1 + fi + perf script -i $perf_data | tac | grep -m1 ^ping -B9 | tac > $perf_script exec 3<$perf_script exec 4<$expected while read line <&3 && read -r pattern <&4; do [ -z "$pattern" ] && break echo $line - echo "$line" | egrep -q "$pattern" + echo "$line" | grep -E -q "$pattern" if [ $? -ne 0 ] ; then printf "FAIL: expected backtrace entry \"%s\" got \"%s\"\n" "$pattern" "$line" return 1 @@ -85,7 +99,7 @@ delete_libc_inet_pton_event() { } # Check for IPv6 interface existence -ip a sh lo | fgrep -q inet6 || exit 2 +ip a sh lo | grep -F -q inet6 || exit 2 skip_if_no_perf_probe && \ add_libc_inet_pton_event && \ |