linux-kernel - Re: [PATCH v2 3/3] perf test: Add basic perf record tests

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Date:   Thu, 14 Apr 2022 09:10:35 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Alexey Bayduraev <alexey.bayduraev@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Riccardo Mancini <rickyman7@...il.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v2 3/3] perf test: Add basic perf record tests

Em Wed, Apr 13, 2022 at 06:46:42PM -0700, Ian Rogers escreveu:
> Test the --per-thread flag.
> Test Intel machine state capturing.

Thanks, applied to perf/core.

- Arnaldo

 
> Suggested-by: Namhyung Kim <namhyung@...nel.org>
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
>  tools/perf/tests/shell/record.sh | 42 ++++++++++++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
>  create mode 100755 tools/perf/tests/shell/record.sh
> 
> diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
> new file mode 100755
> index 000000000000..cd1cf14259b8
> --- /dev/null
> +++ b/tools/perf/tests/shell/record.sh
> @@ -0,0 +1,42 @@
> +#!/bin/sh
> +# perf record tests
> +# SPDX-License-Identifier: GPL-2.0
> +
> +set -e
> +
> +err=0
> +test_per_thread() {
> +  echo "Basic --per-thread mode test"
> +  perf record -e instructions:u --per-thread -o- true 2> /dev/null \
> +    | perf report -i- -q \
> +    | egrep -q true
> +  echo "Basic --per-thread mode test [Success]"
> +}
> +
> +test_register_capture() {
> +  echo "Register capture test"
> +  if ! perf list | egrep -q 'br_inst_retired.near_call'
> +  then
> +    echo "Register capture test [Skipped missing instruction]"
> +    return
> +  fi
> +  if ! perf record --intr-regs=\? 2>&1 | egrep -q 'available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
> +  then
> +    echo "Register capture test [Skipped missing registers]"
> +    return
> +  fi
> +  if ! perf record -o - --intr-regs=di,r8,dx,cx -e cpu/br_inst_retired.near_call/p \
> +    -c 1000 --per-thread true 2> /dev/null \
> +    | perf script -F ip,sym,iregs -i - 2> /dev/null \
> +    | egrep -q "DI:"
> +  then
> +    echo "Register capture test [Failed missing output]"
> +    err=1
> +    return
> +  fi
> +  echo "Register capture test [Success]"
> +}
> +
> +test_per_thread
> +test_register_capture
> +exit $err
> -- 
> 2.36.0.rc0.470.gd361397f0d-goog

-- 

- Arnaldo