linux-kernel - Re: [PATCH 1/3] perf dlfilter: Add a test for resolve

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Date:   Thu, 3 Aug 2023 17:51:46 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 1/3] perf dlfilter: Add a test for resolve_address()

Em Mon, Jul 31, 2023 at 12:18:55PM +0300, Adrian Hunter escreveu:
> Extend the "dlfilter C API" test to test
> perf_dlfilter_fns.resolve_address(). The test currently fails, but passes
> after a subsequent patch.

Ian,

	I think this is ok now, can you please take a look and perhaps
provide an Acked-by or Reviewed-by?

- Arnaldo
 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  tools/perf/dlfilters/dlfilter-test-api-v0.c | 26 ++++++++++++++++++++-
>  1 file changed, 25 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/perf/dlfilters/dlfilter-test-api-v0.c b/tools/perf/dlfilters/dlfilter-test-api-v0.c
> index b1f51efd67d6..72f263d49121 100644
> --- a/tools/perf/dlfilters/dlfilter-test-api-v0.c
> +++ b/tools/perf/dlfilters/dlfilter-test-api-v0.c
> @@ -254,6 +254,30 @@ static int check_addr_al(void *ctx)
>  	return 0;
>  }
>  
> +static int check_address_al(void *ctx, const struct perf_dlfilter_sample *sample)
> +{
> +	struct perf_dlfilter_al address_al;
> +	const struct perf_dlfilter_al *al;
> +
> +	al = perf_dlfilter_fns.resolve_ip(ctx);
> +	if (!al)
> +		return test_fail("resolve_ip() failed");
> +
> +	address_al.size = sizeof(address_al);
> +	if (perf_dlfilter_fns.resolve_address(ctx, sample->ip, &address_al))
> +		return test_fail("resolve_address() failed");
> +
> +	CHECK(address_al.sym && al->sym);
> +	CHECK(!strcmp(address_al.sym, al->sym));
> +	CHECK(address_al.addr == al->addr);
> +	CHECK(address_al.sym_start == al->sym_start);
> +	CHECK(address_al.sym_end == al->sym_end);
> +	CHECK(address_al.dso && al->dso);
> +	CHECK(!strcmp(address_al.dso, al->dso));
> +
> +	return 0;
> +}
> +
>  static int check_attr(void *ctx)
>  {
>  	struct perf_event_attr *attr = perf_dlfilter_fns.attr(ctx);
> @@ -290,7 +314,7 @@ static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void
>  	if (early && !d->do_early)
>  		return 0;
>  
> -	if (check_al(ctx) || check_addr_al(ctx))
> +	if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample))
>  		return -1;
>  
>  	if (early)
> -- 
> 2.34.1
> 

-- 

- Arnaldo