23 lines
1.1 KiB
Python
23 lines
1.1 KiB
Python
#!/usr/bin/env python3
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# Summarise profile.out from `run.py --profile`: top functions by self and inclusive samples, mapped to source file lines
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import collections, json, os, re, sys, glob
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path = sys.argv[1] if len(sys.argv) > 1 else "profile.out"
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tmp = max(glob.glob("/tmp/imgui_test_*/ImGui.linemap.json"), key=os.path.getmtime)
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lm = json.load(open(tmp))
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def loc(n):
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if not n.isdigit(): return "C"
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n = int(n) - 5 + 2; best = None
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for start, name in lm:
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if start <= n: best = (start, name)
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return "%s:%d" % (best[1], n - best[0] + 1) if best else "?"
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self_, incl, total = collections.Counter(), collections.Counter(), 0
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for line in open(path):
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cnt, stack = line.split(" ", 1); cnt = int(cnt); total += cnt
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frames = [f.rsplit(",", 2) for f in stack.strip().split(";")]
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keys = ["%s (%s)" % (f[1] or "?", loc(f[2])) for f in frames]
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self_[keys[0]] += cnt
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for k in set(keys): incl[k] += cnt
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for title, c in (("SELF", self_), ("INCLUSIVE", incl)):
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print("== %s (%% of %d)" % (title, total))
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for k, v in c.most_common(int(os.environ.get("N", 30))): print("%5.1f%% %s" % (100 * v / total, k))
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