On Wed, Oct 30, 2024 at 06:42:51PM -0700, Ian Rogers wrote:
> This allows evsel to be shown in the REPL like:
> ```
> Python 3.11.9 (main, Jun 19 2024, 00:38:48) [GCC 13.2.0] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import sys
> >>> sys.path.insert(0, '/tmp/perf/python')
> >>> import perf
> >>> x=perf.parse_events('cycles,data_read')
> >>> print(x)
> evlist([cycles,uncore_imc_free_running_0/data_read/,uncore_imc_free_running_1/data_read/])
> >>> x[0]
> evsel(cycles)
> >>> x[1]
> evsel(uncore_imc_free_running_0/data_read/)
> >>> x[2]
> evsel(uncore_imc_free_running_1/data_read/)
> ```
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/python.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
> index a71bad3418da..0d71ec673aa3 100644
> --- a/tools/perf/util/python.c
> +++ b/tools/perf/util/python.c
> @@ -781,6 +781,17 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
> return Py_None;
> }
>
> +static PyObject *pyrf_evsel__str(PyObject *self)
> +{
> + struct pyrf_evsel *pevsel = (void *)self;
> + struct evsel *evsel = &pevsel->evsel;
> +
> + if (!evsel->pmu)
> + return PyUnicode_FromFormat("evsel(%s)", evsel__name(evsel));
> +
> + return PyUnicode_FromFormat("evsel(%s/%s/)", evsel->pmu->name, evsel__name(evsel));
> +}
> +
> static PyMethodDef pyrf_evsel__methods[] = {
> {
> .ml_name = "open",
> @@ -802,6 +813,8 @@ static PyTypeObject pyrf_evsel__type = {
> .tp_doc = pyrf_evsel__doc,
> .tp_methods = pyrf_evsel__methods,
> .tp_init = (initproc)pyrf_evsel__init,
> + .tp_str = pyrf_evsel__str,
> + .tp_repr = pyrf_evsel__str,
> };
>
> static int pyrf_evsel__setup_types(void)
> --
> 2.47.0.163.g1226f6d8fa-goog
>