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gh-109329: Count tier2 opcode misses (#110561)

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This keeps a separate 'miss' counter for each micro-opcode, incremented whenever a guard uop takes a deoptimization side exit.
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Michael Droettboom 2023-10-30 20:02:45 -04:00 • committed by GitHub
parent c6fe0869ab
commit 84b4533e84
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5 changed files with 9 additions and 4 deletions
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Python/specialize.c
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@ -248,6 +248,9 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
if (stats->opcode[i].execution_count) {
fprintf(out, "uops[%s].execution_count : %" PRIu64 "\n", names[i], stats->opcode[i].execution_count);
}
if (stats->opcode[i].miss) {
fprintf(out, "uops[%s].specialization.miss : %" PRIu64 "\n", names[i], stats->opcode[i].miss);
}
}
for (int i = 0; i < 256; i++) {