linux-kernel - Re: [PATCH] perf jit: move test functionality in to a test

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Date:   Wed, 27 Nov 2019 10:49:29 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     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@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Song Liu <songliubraving@...com>, Leo Yan <leo.yan@...aro.org>,
        Michael Petlan <mpetlan@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Allison Randal <allison@...utok.net>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH] perf jit: move test functionality in to a test

On Wed, Nov 27, 2019 at 8:06 AM Arnaldo Carvalho de Melo
<arnaldo.melo@...il.com> wrote:
>
> Em Wed, Nov 27, 2019 at 12:23:28PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Tue, Nov 26, 2019 at 03:59:13PM -0800, Ian Rogers escreveu:
> > > Adds a test for minimal jit_write_elf functionality.
> >
> > Thanks, tested and applied.
>
> Had to apply this to have it built in systems where HAVE_JITDUMP isn't
> defined:

Thanks for fixing this!
Ian

> diff --git a/tools/perf/tests/genelf.c b/tools/perf/tests/genelf.c
> index d392e9300881..28dfd17a6b9f 100644
> --- a/tools/perf/tests/genelf.c
> +++ b/tools/perf/tests/genelf.c
> @@ -17,16 +17,15 @@
>
>  #define TEMPL "/tmp/perf-test-XXXXXX"
>
> -static unsigned char x86_code[] = {
> -       0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
> -       0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
> -       0xCD, 0x80            /* int $0x80 */
> -};
> -
>  int test__jit_write_elf(struct test *test __maybe_unused,
>                         int subtest __maybe_unused)
>  {
>  #ifdef HAVE_JITDUMP
> +       static unsigned char x86_code[] = {
> +               0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
> +               0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
> +               0xCD, 0x80            /* int $0x80 */
> +       };
>         char path[PATH_MAX];
>         int fd, ret;
>
> @@ -48,6 +47,6 @@ int test__jit_write_elf(struct test *test __maybe_unused,
>
>         return ret ? TEST_FAIL : 0;
>  #else
> -       return TEST_SKIPPED;
> +       return TEST_SKIP;
>  #endif
>  }
>
>