49 lines
1.2 KiB
Bash
Executable File
49 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Check Arm64 callgraphs are complete in fp mode
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# SPDX-License-Identifier: GPL-2.0
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shelldir=$(dirname "$0")
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# shellcheck source=lib/perf_has_symbol.sh
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. "${shelldir}"/lib/perf_has_symbol.sh
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if [ "$(uname -m)" != "aarch64" ]; then
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exit 2
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fi
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if perf version --build-options | grep HAVE_DWARF_UNWIND_SUPPORT | grep -q OFF
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then
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echo "Skipping, no dwarf unwind support"
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exit 2
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fi
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skip_test_missing_symbol leafloop
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PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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TEST_PROGRAM="perf test -w leafloop"
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cleanup_files()
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{
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rm -f "$PERF_DATA"
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}
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trap cleanup_files EXIT TERM INT
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# shellcheck disable=SC2086
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perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM
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# Try opening the file so any immediate errors are visible in the log
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perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
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# expected perf-script output if 'leaf' has been inserted correctly:
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#
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# perf
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# 728 leaf
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# 753 parent
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# 76c leafloop
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# ... remaining stack to main() ...
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# Each frame is separated by a tab, some spaces and an address
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SEP="[[:space:]]+ [[:xdigit:]]+"
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perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \
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grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop"
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