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perf python: Add __str__ and __repr__ functions to evlist

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This allows the values in the evlist 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
  >>> perf.parse_events('cycles,data_read')
  evlist([cycles,uncore_imc_free_running_0/data_read/,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/20241119011644.971342-21-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2024-11-18 17:16:42 -08:00
committed by Arnaldo Carvalho de Melo
parent f081defccd
commit 3c0401a081
1 changed files with 26 additions and 0 deletions
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26
tools/perf/util/python.c
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@@ -1069,6 +1069,30 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i)
return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel));
}
static PyObject *pyrf_evlist__str(PyObject *self)
{
struct pyrf_evlist *pevlist = (void *)self;
struct evsel *pos;
struct strbuf sb = STRBUF_INIT;
bool first = true;
PyObject *result;
strbuf_addstr(&sb, "evlist([");
evlist__for_each_entry(&pevlist->evlist, pos) {
if (!first)
strbuf_addch(&sb, ',');
if (!pos->pmu)
strbuf_addstr(&sb, evsel__name(pos));
else
strbuf_addf(&sb, "%s/%s/", pos->pmu->name, evsel__name(pos));
first = false;
}
strbuf_addstr(&sb, "])");
result = PyUnicode_FromString(sb.buf);
strbuf_release(&sb);
return result;
}
static PySequenceMethods pyrf_evlist__sequence_methods = {
.sq_length = pyrf_evlist__length,
.sq_item = pyrf_evlist__item,
@@ -1086,6 +1110,8 @@ static PyTypeObject pyrf_evlist__type = {
.tp_doc = pyrf_evlist__doc,
.tp_methods = pyrf_evlist__methods,
.tp_init = (initproc)pyrf_evlist__init,
.tp_repr = pyrf_evlist__str,
.tp_str = pyrf_evlist__str,
};
static int pyrf_evlist__setup_types(void)