diff options
Diffstat (limited to 'tools/perf/tests/shell/test_arm_callgraph_fp.sh')
| -rwxr-xr-x | tools/perf/tests/shell/test_arm_callgraph_fp.sh | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh index 66dfdfdad553..9172dd68a81d 100755 --- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh +++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh @@ -1,8 +1,22 @@ -#!/bin/sh +#!/bin/bash # Check Arm64 callgraphs are complete in fp mode # SPDX-License-Identifier: GPL-2.0 -lscpu | grep -q "aarch64" || exit 2 +shelldir=$(dirname "$0") +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + +if [ "$(uname -m)" != "aarch64" ]; then + exit 2 +fi + +if perf version --build-options | grep HAVE_DWARF_UNWIND_SUPPORT | grep -q OFF +then + echo "Skipping, no dwarf unwind support" + exit 2 +fi + +skip_test_missing_symbol leafloop PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) TEST_PROGRAM="perf test -w leafloop" @@ -14,28 +28,21 @@ cleanup_files() trap cleanup_files EXIT TERM INT -# Add a 1 second delay to skip samples that are not in the leaf() function # shellcheck disable=SC2086 -perf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null & -PID=$! +perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM -echo " + Recording (PID=$PID)..." -sleep 2 -echo " + Stopping perf-record..." - -kill $PID -wait $PID +# Try opening the file so any immediate errors are visible in the log +perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 -# expected perf-script output: +# expected perf-script output if 'leaf' has been inserted correctly: # -# program +# perf # 728 leaf # 753 parent # 76c leafloop -# ... +# ... remaining stack to main() ... -perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 -perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 | \ - awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" || - sym[1] != "parent" || - sym[2] != "leafloop") exit 1 }' +# Each frame is separated by a tab, some spaces and an address +SEP="[[:space:]]+ [[:xdigit:]]+" +perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \ + grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop" |