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446c595dc0
Expand the addr2line inline function testing to also run for an LBR callchain, skipping if LBR support isn't present. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dapeng Mi <dapeng1.mi@linux.intel.com> Cc: Dmitriy Vyukov <dvyukov@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Krzysztof Łopatowski <krzysztof.m.lopatowski@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Weilin Wang <weilin.wang@intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
97 lines
3.1 KiB
Bash
Executable File
97 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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# test addr2line inline unwinding
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# SPDX-License-Identifier: GPL-2.0
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set -e
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err=0
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test_dir=$(mktemp -d /tmp/perf-test-inline-addr2line.XXXXXXXXXX)
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perf_data="${test_dir}/perf.data"
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perf_script_txt="${test_dir}/perf_script.txt"
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cleanup() {
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rm -rf "${test_dir}"
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trap - EXIT TERM INT
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}
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trap_cleanup() {
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echo "Unexpected signal in ${FUNCNAME[1]}"
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cleanup
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exit 1
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}
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trap trap_cleanup EXIT TERM INT
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test_fp() {
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echo "Inline unwinding fp verification test"
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# Record data. Currently only dwarf callchains support inlined functions.
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perf record --call-graph fp -e task-clock:u -o "${perf_data}" -- perf test -w inlineloop 1
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# Check output with inline (default) and srcline
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perf script -i "${perf_data}" --fields +srcline > "${perf_script_txt}"
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# Expect the leaf and middle functions to occur on lines in the 20s, with
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# the non-inlined parent function on a line in the 30s.
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if grep -q "inlineloop.c:2. (inlined)" "${perf_script_txt}" &&
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grep -q "inlineloop.c:3.$" "${perf_script_txt}"
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then
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echo "Inline unwinding fp verification test [Success]"
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else
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echo "Inline unwinding fp verification test [Failed missing inlined functions]"
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err=1
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fi
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}
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test_dwarf() {
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echo "Inline unwinding dwarf verification test"
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# Record data. Currently only dwarf callchains support inlined functions.
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perf record --call-graph dwarf -e task-clock:u -o "${perf_data}" -- perf test -w inlineloop 1
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# Check output with inline (default) and srcline
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perf script -i "${perf_data}" --fields +srcline > "${perf_script_txt}"
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# Expect the leaf and middle functions to occur on lines in the 20s, with
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# the non-inlined parent function on a line in the 30s.
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if grep -q "inlineloop.c:2. (inlined)" "${perf_script_txt}" &&
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grep -q "inlineloop.c:3.$" "${perf_script_txt}"
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then
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echo "Inline unwinding dwarf verification test [Success]"
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else
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echo "Inline unwinding dwarf verification test [Failed missing inlined functions]"
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err=1
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fi
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}
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test_lbr() {
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echo "Inline unwinding LBR verification test"
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if [ ! -f /sys/bus/event_source/devices/cpu/caps/branches ] &&
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[ ! -f /sys/bus/event_source/devices/cpu_core/caps/branches ]
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then
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echo "Skip: only x86 CPUs support LBR"
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return
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fi
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# Record data. Currently only dwarf callchains support inlined functions.
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perf record --call-graph lbr -e cycles:u -o "${perf_data}" -- perf test -w inlineloop 1
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# Check output with inline (default) and srcline
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perf script -i "${perf_data}" --fields +srcline > "${perf_script_txt}"
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# Expect the leaf and middle functions to occur on lines in the 20s, with
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# the non-inlined parent function on a line in the 30s.
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if grep -q "inlineloop.c:2. (inlined)" "${perf_script_txt}" &&
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grep -q "inlineloop.c:3.$" "${perf_script_txt}"
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then
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echo "Inline unwinding lbr verification test [Success]"
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else
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echo "Inline unwinding lbr verification test [Failed missing inlined functions]"
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err=1
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fi
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}
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test_fp
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test_dwarf
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test_lbr
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cleanup
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exit $err
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