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perf python: Add __str__ and __repr__ functions to evsel

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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/)

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Link: https://lore.kernel.org/r/20241119011644.971342-22-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2024-11-18 17:16:43 -08:00
committed by Arnaldo Carvalho de Melo
parent 3c0401a081
commit 24fb6de241
1 changed files with 13 additions and 0 deletions
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13
tools/perf/util/python.c
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@@ -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)