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Add metric for average # of insns spent in yjit before exiting

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Maxime Chevalier-Boisvert 2021-03-12 10:41:58 -05:00 committed by Alan Wu
parent cee597bd01
commit 439db7b81b
1 changed files with 5 additions and 2 deletions
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7
yjit_iface.c
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@ -664,6 +664,10 @@ print_insn_count_buffer(const struct insn_count *buffer, int how_many, int left_
total_exit_count += buffer[i].count; total_exit_count += buffer[i].count;
} }
// Average length of instruction sequences executed by YJIT
double avg_len_in_yjit = (double)yjit_runtime_counters.exec_instruction / total_exit_count;
fprintf(stderr, "avg_len_in_yjit: %10.1f\n", avg_len_in_yjit);
fprintf(stderr, "total_exit_count: %10ld\n", total_exit_count); fprintf(stderr, "total_exit_count: %10ld\n", total_exit_count);
fprintf(stderr, "most frequent exit op:\n"); fprintf(stderr, "most frequent exit op:\n");
@ -696,7 +700,6 @@ print_yjit_stats(void)
fprintf(stderr, "yjit_exec_insns_count: %10" PRId64 "\n", yjit_runtime_counters.exec_instruction); fprintf(stderr, "yjit_exec_insns_count: %10" PRId64 "\n", yjit_runtime_counters.exec_instruction);
fprintf(stderr, "ratio_in_yjit: %9.1f%%\n", ratio * 100); fprintf(stderr, "ratio_in_yjit: %9.1f%%\n", ratio * 100);
print_insn_count_buffer(sorted_exit_ops, 10, 4); print_insn_count_buffer(sorted_exit_ops, 10, 4);
//print_runtime_counters();
} }
#endif // if RUBY_DEBUG #endif // if RUBY_DEBUG
@ -798,7 +801,7 @@ rb_yjit_init(struct rb_yjit_options *options)
rb_yjit_opts = *options; rb_yjit_opts = *options;
rb_yjit_opts.yjit_enabled = true; rb_yjit_opts.yjit_enabled = true;
// Normalize options // Normalize command-line options
if (rb_yjit_opts.call_threshold < 1) { if (rb_yjit_opts.call_threshold < 1) {
rb_yjit_opts.call_threshold = 2; rb_yjit_opts.call_threshold = 2;
} }