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SubjectRe: [PATCH v2 2/2] perf test: Add support for setting objdump binary via perf config
Em Mon, Nov 06, 2023 at 03:10:49PM +0000, James Clark escreveu:
> Add a perf config variable that does the same thing as "perf test
> --objdump <x>".
>
> Also update the man page.

That is ok, if one wants to change objdump just for testing, as a
followup improvement it may be interesting to allow that for the other
tools that have --objdump as well as to add this as a global option,
that affects all tools, no?

Anyway, applied both patches.

- Arnaldo

> Signed-off-by: James Clark <james.clark@arm.com>
> ---
> tools/perf/Documentation/perf-config.txt | 4 ++++
> tools/perf/tests/builtin-test.c | 12 ++++++++++++
> 2 files changed, 16 insertions(+)
>
> diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
> index 0b4e79dbd3f6..16398babd1ef 100644
> --- a/tools/perf/Documentation/perf-config.txt
> +++ b/tools/perf/Documentation/perf-config.txt
> @@ -722,6 +722,10 @@ session-<NAME>.*::
> Defines new record session for daemon. The value is record's
> command line without the 'record' keyword.
>
> +test.*::
> +
> + test.objdump::
> + objdump binary to use for disassembly and annotations.
>
> SEE ALSO
> --------
> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> index a8d17dd50588..113e92119e1d 100644
> --- a/tools/perf/tests/builtin-test.c
> +++ b/tools/perf/tests/builtin-test.c
> @@ -14,6 +14,7 @@
> #include <sys/wait.h>
> #include <sys/stat.h>
> #include "builtin.h"
> +#include "config.h"
> #include "hist.h"
> #include "intlist.h"
> #include "tests.h"
> @@ -514,6 +515,15 @@ static int run_workload(const char *work, int argc, const char **argv)
> return -1;
> }
>
> +static int perf_test__config(const char *var, const char *value,
> + void *data __maybe_unused)
> +{
> + if (!strcmp(var, "test.objdump"))
> + test_objdump_path = value;
> +
> + return 0;
> +}
> +
> int cmd_test(int argc, const char **argv)
> {
> const char *test_usage[] = {
> @@ -541,6 +551,8 @@ int cmd_test(int argc, const char **argv)
> if (ret < 0)
> return ret;
>
> + perf_config(perf_test__config, NULL);
> +
> /* Unbuffered output */
> setvbuf(stdout, NULL, _IONBF, 0);
>
> --
> 2.34.1
>

--

- Arnaldo

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