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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# powerpc-hcalls python test
set -e
shelldir=$(dirname "$0")
# shellcheck source=lib/setup_python.sh
. "${shelldir}"/lib/setup_python.sh
if ! "$PYTHON" -c 'import perf' > /dev/null 2>&1; then
echo "Skipping test, perf python module not found"
exit 2
fi
script_dir="$(dirname "$0")/../../python"
script_path="${script_dir}/powerpc-hcalls.py"
if ! perf check feature -q libtraceevent > /dev/null 2>&1; then
echo "Skipping test, libtraceevent is disabled"
exit 2
fi
if [ ! -f "$script_path" ]; then
echo "Skipping test, powerpc-hcalls.py not found at $script_path"
exit 2
fi
err=0
cleanup() {
rm -f "${temp_data}" "${temp_out}"
}
trap 'cleanup' EXIT TERM INT
temp_data=$(mktemp /tmp/perf.data.XXXXXX)
temp_out=$(mktemp /tmp/perf.out.XXXXXX)
echo "Testing powerpc-hcalls.py..."
# Verify HCallAnalyzer aggregation logic on synthetic hcall_entry/hcall_exit samples
if ! "$PYTHON" - "$script_path" > "${temp_out}" <<'EOF'
import argparse
import importlib.util
import sys
from types import SimpleNamespace
spec = importlib.util.spec_from_file_location("powerpc_hcalls", sys.argv[1])
assert spec and spec.loader
mod = importlib.util.module_from_spec(spec)
spec.loader.exec_module(mod)
analyzer = mod.HCallAnalyzer(argparse.Namespace(sort='count'))
analyzer.process_event(SimpleNamespace(
evsel="evsel(powerpc:hcall_entry)", sample_cpu=0, sample_time=1000, opcode=4))
analyzer.process_event(SimpleNamespace(
evsel="evsel(powerpc:hcall_exit)", sample_cpu=0, sample_time=2500, opcode=4))
analyzer.print_summary()
EOF
then
echo "powerpc-hcalls.py synthetic aggregation test failed"
exit 1
fi
if ! grep -q "H_REMOVE.*1.*1500.*1500.*1500" "${temp_out}"; then
echo "Failed to find aggregated H_REMOVE metrics in output"
exit 1
fi
# Create a perf.data file if powerpc hcall tracepoints are available on this host.
if ! perf record -B -N --no-bpf-event -e powerpc:hcall_entry,powerpc:hcall_exit \
-a -o "${temp_data}" -- perf test -w noploop >/dev/null 2>&1; then
echo "Skipping live record test, powerpc hcall tracepoints not available"
exit 0
fi
if [ ! -s "${temp_data}" ]; then
echo "Skipping live record test, perf record failed to create data"
exit 0
fi
# Check that the script executes on recorded perf.data
if ! perf script powerpc-hcalls -i "${temp_data}" > "${temp_out}"; then
echo "powerpc-hcalls.py test failed"
err=1
else
if ! grep -q "hcall.*count.*min.*max.*avg" "${temp_out}"; then
echo "Failed to find the metrics table header"
err=1
else
echo "powerpc-hcalls test passed."
fi
fi
rm -f "${temp_out}"
exit $err
|
