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Add option to write specialization stats to files and script to summarize. (GH-27575)

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* Add option to write stats to random file in a directory.

* Add script to summarize stats.
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Mark Shannon 2021-08-04 11:39:52 +01:00 • committed by GitHub
parent ac811f9b5a
commit c83919bd63
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4 changed files with 75 additions and 12 deletions
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43
Python/specialize.c
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@ -117,10 +117,10 @@ _Py_GetSpecializationStats(void) {
#endif
#define PRINT_STAT(name, field) fprintf(stderr, " %s." #field " : %" PRIu64 "\n", name, stats->field);
#define PRINT_STAT(name, field) fprintf(out, " %s." #field " : %" PRIu64 "\n", name, stats->field);
static void
print_stats(SpecializationStats *stats, const char *name)
print_stats(FILE *out, SpecializationStats *stats, const char *name)
{
PRINT_STAT(name, specialization_success);
PRINT_STAT(name, specialization_failure);
@ -133,18 +133,18 @@ print_stats(SpecializationStats *stats, const char *name)
if (stats->miss_types == NULL) {
return;
}
fprintf(stderr, " %s.fails:\n", name);
fprintf(out, " %s.fails:\n", name);
PyObject *key, *count;
Py_ssize_t pos = 0;
while (PyDict_Next(stats->miss_types, &pos, &key, &count)) {
PyObject *type = PyTuple_GetItem(key, 0);
PyObject *name = PyTuple_GetItem(key, 1);
PyObject *kind = PyTuple_GetItem(key, 2);
fprintf(stderr, " %s.", ((PyTypeObject *)type)->tp_name);
PyObject_Print(name, stderr, Py_PRINT_RAW);
fprintf(stderr, " (");
PyObject_Print(kind, stderr, Py_PRINT_RAW);
fprintf(stderr, "): %ld\n", PyLong_AsLong(count));
fprintf(out, " %s.", ((PyTypeObject *)type)->tp_name);
PyObject_Print(name, out, Py_PRINT_RAW);
fprintf(out, " (");
PyObject_Print(kind, out, Py_PRINT_RAW);
fprintf(out, "): %ld\n", PyLong_AsLong(count));
}
#endif
}
@ -153,10 +153,29 @@ print_stats(SpecializationStats *stats, const char *name)
void
_Py_PrintSpecializationStats(void)
{
printf("Specialization stats:\n");
print_stats(&_specialization_stats[LOAD_ATTR], "load_attr");
print_stats(&_specialization_stats[LOAD_GLOBAL], "load_global");
print_stats(&_specialization_stats[BINARY_SUBSCR], "binary_subscr");
FILE *out = stderr;
#if SPECIALIZATION_STATS_TO_FILE
/* Write to a file instead of stderr. */
# ifdef MS_WINDOWS
const char *dirname = "c:\\temp\\py_stats\\";
# else
const char *dirname = "/tmp/py_stats/";
# endif
char buf[48];
sprintf(buf, "%s%u_%u.txt", dirname, (unsigned)clock(), (unsigned)rand());
FILE *fout = fopen(buf, "w");
if (fout) {
out = fout;
}
#else
fprintf(out, "Specialization stats:\n");
#endif
print_stats(out, &_specialization_stats[LOAD_ATTR], "load_attr");
print_stats(out, &_specialization_stats[LOAD_GLOBAL], "load_global");
print_stats(out, &_specialization_stats[BINARY_SUBSCR], "binary_subscr");
if (out != stderr) {
fclose(out);
}
}
#if SPECIALIZATION_STATS_DETAILED