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Stats: Add summary of top instructions for misses and deferred specialization. #94072

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Jun 22, 2022
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Stats: Add summary of top instructions for misses and deferred specialization. #94072

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22 changes: 20 additions & 2 deletions Tools/scripts/summarize_stats.py
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,12 @@ def __exit__(*args):
print("</details>")
print()

def to_str(x):
if isinstance(x, int):
return format(x, ",d")
else:
return str(x)

def emit_table(header, rows):
width = len(header)
header_line = "|"
Expand All @@ -203,8 +209,8 @@ def emit_table(header, rows):
print(under_line)
for row in rows:
if width is not None and len(row) != width:
raise ValueError("Wrong number of elements in row '" + str(rows) + "'")
print("|", " | ".join(str(i) for i in row), "|")
raise ValueError("Wrong number of elements in row '" + str(row) + "'")
print("|", " | ".join(to_str(i) for i in row), "|")
print()

def emit_execution_counts(opcode_stats, total):
Expand Down Expand Up @@ -251,6 +257,18 @@ def emit_specialization_overview(opcode_stats, total):
("Not specialized", not_specialized, f"{not_specialized*100/total:0.1f}%"),
("Specialized", specialized, f"{specialized*100/total:0.1f}%"),
))
for title, field in (("Deferred", "specialization.deferred"), ("Misses", "specialization.miss")):
total = 0
counts = []
for i, opcode_stat in enumerate(opcode_stats):
value = opcode_stat.get(field, 0)
counts.append((value, opname[i]))
total += value
counts.sort(reverse=True)
if total:
with Section(f"{title} by instruction", 3):
rows = [ (name, count, f"{100*count/total:0.1f}%") for (count, name) in counts[:10] ]
emit_table(("Name", "Count:", "Ratio:"), rows)

def emit_call_stats(stats):
stats_path = os.path.join(os.path.dirname(__file__), "../../Include/pystats.h")
Expand Down