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55 lines
2.2 KiB
55 lines
2.2 KiB
#!/usr/bin/env python
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import subprocess
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import os.path
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import yaml
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import io
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import re
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def parseKernelUsages(usageStr, usageDict):
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demangler = 'c++filt -p'
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def getKernelMem(usages):
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match = re.search(r"([0-9]+) bytes cmem\[0\]", usages)
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return match.group(1) if match else None
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def getSharedMem(usages):
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match = re.search(r"([0-9]+) bytes smem", usages)
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return match.group(1) if match else None
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def getRegisters(usages):
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match = re.search(r"[Uu]sed ([0-9]+) registers", usages)
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return match.group(1) if match else None
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def demangle(fn):
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expr = re.compile("__omp_offloading_[a-zA-Z0-9]*_[a-zA-Z0-9]*_(_Z.*_)_l[0-9]*$")
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match = expr.search(fn)
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function = match.group(1) if match else fn
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output = subprocess.run(demangler.split(' ') + [function], check=True, stdout=subprocess.PIPE)
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return output.stdout.decode('utf-8').strip()
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def getLine(fn):
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expr = re.compile("__omp_offloading_[a-zA-Z0-9]*_[a-zA-Z0-9]*_.*_l([0-9]*)$")
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match = expr.search(fn)
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return match.group(1) if match else 0
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expr = re.compile("Function properties for \'?([a-zA-Z0-9_]*)\'?\n(.*,.*)\n")
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for (fn, usages) in expr.findall(usageStr):
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info = usageDict[fn] if fn in usageDict else dict()
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info["Name"] = demangle(fn)
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info["DebugLoc"] = {"File" : "unknown", "Line": getLine(fn), "Column" : 0}
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info["Usage"] = {"Registers" : getRegisters(usages), "Shared" : getSharedMem(usages), "Kernel" : getKernelMem(usages)}
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usageDict[fn] = info
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def getKernelUsage(stderr, fname='usage.yaml'):
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remarks = [line for line in stderr.split('\n') if re.search(r"^remark:", line)]
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ptxas = '\n'.join([line.split(':')[1].strip() for line in stderr.split('\n') if re.search(r"^ptxas info *:", line)])
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nvlink = '\n'.join([line.split(':')[1].strip() for line in stderr.split('\n') if re.search(r"^nvlink info *:", line)])
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if os.path.exists(fname):
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with io.open(fname, 'r', encoding = 'utf-8') as f:
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usage = yaml.load(f, Loader=yaml.Loader)
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else:
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usage = dict()
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parseKernelUsages(ptxas, usage)
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parseKernelUsages(nvlink, usage)
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return usage
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