mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
synced 2025-06-09 00:46:17 +00:00
81ba005381
We are changing the cwd, so we just need the relative patch from the root for the kernel git repo. This allows the script to work from anywhere. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
111 lines
2.9 KiB
Python
Executable File
111 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import os,sys
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import optparse
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import subprocess
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import re
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import operator
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# map of Workaround names -> (list of platforms)
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workarounds = {}
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verbose = False
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def find_nth(haystack, needle, n):
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start = haystack.find(needle)
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while start >= 0 and n > 1:
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start = haystack.find(needle, start + len(needle))
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n -= 1
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return start
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valid_platforms = ('ctg', 'elk', 'ilk', 'snb', 'ivb', 'vlv', 'hsw')
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def parse_platforms(p):
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l = p.split(',')
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for p in l:
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if p not in valid_platforms:
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sys.stdout.write("unknown platform %s\n" % p)
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return l
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wa_re = re.compile('(?P<name>Wa[A-Z0-9][a-zA-Z0-9_]+):(?P<platforms>[a-z,]+)')
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waname_re = re.compile('(?P<name>Wa[A-Z0-9][a-zA-Z0-9_]+)')
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def parse(me):
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for line in me.splitlines():
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match = wa_re.search(str(line))
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if not match:
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if not verbose:
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continue
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# Those lines come from a git grep that looks for Wa
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# names, so if we don't match wa_re here it's because
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# no platform has been specified
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name = waname_re.search(line).group('name')
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path = line[:find_nth(line, ':', 2)]
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sys.stdout.write("%s: no platform for %s\n"
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% (path, name))
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continue
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wa_name = match.group('name')
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platforms = match.group('platforms')
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if wa_name in workarounds:
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platforms = parse_platforms(platforms)
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for p in platforms:
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if not p in workarounds[wa_name]:
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workarounds[wa_name].append(p)
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else:
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workarounds[wa_name] = parse_platforms(platforms)
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def execute(cmd):
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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out, err = p.communicate()
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return out, err
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def parse_options(args):
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usage = "Usage: list-workarounds [options] path-to-kernel"
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parser = optparse.OptionParser(usage, version=1.0)
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parser.add_option("-v", "--verbose", action="store_true",
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dest="verbose", default=False,
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help="be more verbose")
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parser.add_option("-p", "--platform", dest="platform", default=None,
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help="List workarounds for the specified platform")
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(options, args) = parser.parse_args()
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return (options, args)
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if __name__ == '__main__':
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(options, args) = parse_options(sys.argv[1:])
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verbose = options.verbose
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if not len(args):
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sys.stderr.write("error: A path to a kernel tree is required\n")
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sys.exit(1)
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kernel_path = args[0]
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kconfig = os.path.join(kernel_path, 'Kconfig')
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if not os.path.isfile(kconfig):
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sys.stderr.write("error: %s does not point to a kernel tree \n"
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% kernel_path)
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sys.exit(1)
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i915_dir = os.path.join('drivers', 'gpu', 'drm', 'i915')
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olddir = os.getcwd()
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os.chdir(kernel_path)
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work_arounds, err = execute(['git', 'grep', '-n',
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'-e', 'Wa[A-Z0-9][a-zA-Z0-9_]\+',
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i915_dir])
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os.chdir(olddir)
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if err:
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print(err)
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sys.exit(1)
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parse(work_arounds)
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for wa in sorted(workarounds.keys()):
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if not options.platform:
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print("%s: %s" % (wa, ', '.join(workarounds[wa])))
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elif options.platform in workarounds[wa]:
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print(wa)
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