mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 08:34:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

GH-90230: Add stats to breakdown the origin of calls to PyEval_EvalFrame (GH-93284)

Browse source
This commit is contained in:
Mark Shannon 2022-05-27 16:31:41 +01:00 • committed by GitHub
parent 8995177030
commit bbcf42449e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 63 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Tools/scripts/summarize_stats.py
View file

@ -108,13 +108,14 @@ def extract_opcode_stats(stats):
opcode_stats[int(n)][rest.strip(".")] = value
return opcode_stats
def parse_kinds(spec_src):
def parse_kinds(spec_src, prefix="SPEC_FAIL"):
defines = collections.defaultdict(list)
start = "#define " + prefix + "_"
for line in spec_src:
line = line.strip()
if not line.startswith("#define SPEC_FAIL_"):
if not line.startswith(start):
continue
line = line[len("#define SPEC_FAIL_"):]
line = line[len(start):]
name, val = line.split()
defines[int(val.strip())].append(name.strip())
return defines
@ -129,8 +130,6 @@ def kind_to_text(kind, defines, opname):
opname = "ATTR"
if opname.endswith("SUBSCR"):
opname = "SUBSCR"
if opname.startswith("PRECALL"):
opname = "CALL"
for name in defines[kind]:
if name.startswith(opname):
return pretty(name[len(opname)+1:])
@ -254,6 +253,9 @@ def emit_specialization_overview(opcode_stats, total):
))
def emit_call_stats(stats):
stats_path = os.path.join(os.path.dirname(__file__), "../../Include/pystats.h")
with open(stats_path) as stats_src:
defines = parse_kinds(stats_src, prefix="EVAL_CALL")
with Section("Call stats", summary="Inlined calls and frame stats"):
total = 0
for key, value in stats.items():
@ -263,6 +265,11 @@ def emit_call_stats(stats):
for key, value in stats.items():
if "Calls to" in key:
rows.append((key, value, f"{100*value/total:0.1f}%"))
elif key.startswith("Calls "):
name, index = key[:-1].split("[")
index = int(index)
label = name + " (" + pretty(defines[index][0]) + ")"
rows.append((label, value, f"{100*value/total:0.1f}%"))
for key, value in stats.items():
if key.startswith("Frame"):
rows.append((key, value, f"{100*value/total:0.1f}%"))