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2f5d370dec
There are 43 instances of posix shell tests and 35 instances of bash. To give us a single consistent language for testing in, replace all #!/bin/sh to #!/bin/bash. Common sources that are included in both different shells will now work as expected. And we no longer have to fix up bashisms that appear to work when someone's system has sh symlinked to bash, but don't work on other systems that have both shells installed. Although we could have chosen sh, it's not backwards compatible so it wouldn't be possible to bulk convert without re-writing the existing bash tests. Choosing bash also gives us some nicer features including 'local' variable definitions and regexes in if statements that are already widely used in the tests. It's not expected that there are any users with only sh available due to the large number of bash tests that exist. Discussed in relation to running shellcheck here: https://lore.kernel.org/linux-perf-users/e3751a74be34bbf3781c4644f518702a7270220b.1749785642.git.collin.funk1@gmail.com/ Signed-off-by: James Clark <james.clark@linaro.org> Reviewed-by: Collin Funk <collin.funk1@gmail.com> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Link: https://lore.kernel.org/r/20250623-james-perf-bash-tests-v1-1-f572f54d4559@linaro.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
48 lines
1.2 KiB
Bash
Executable file
48 lines
1.2 KiB
Bash
Executable file
#!/bin/bash
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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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