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cpu-gather: Parse cpuid leaves early

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Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Tim Wiederhake 2020-12-15 17:25:12 +01:00 committed by Michal Privoznik
parent b0c966de9b
commit 731b922a65
1 changed files with 26 additions and 22 deletions
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48
tests/cputestdata/cpu-gather.py
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@ -24,6 +24,15 @@ def gather_name(args):
def gather_cpuid_leaves(args):
leave_pattern = re.compile(
"^\\s*"
"(0x[0-9a-f]+)\\s*"
"(0x[0-9a-f]+):\\s*"
"eax=(0x[0-9a-f]+)\\s*"
"ebx=(0x[0-9a-f]+)\\s*"
"ecx=(0x[0-9a-f]+)\\s*"
"edx=(0x[0-9a-f]+)\\s*$")
cpuid = args.path_to_cpuid or "cpuid"
try:
output = subprocess.check_output(
@ -36,11 +45,16 @@ def gather_cpuid_leaves(args):
"'http://www.etallen.com/cpuid.html'.".format(e.filename))
for line in output.split("\n"):
if not line:
match = leave_pattern.match(line)
if not match:
continue
if line == "CPU:":
continue
yield line.strip()
yield {
"eax_in": int(match.group(1), 0),
"ecx_in": int(match.group(2), 0),
"eax": int(match.group(3), 0),
"ebx": int(match.group(4), 0),
"ecx": int(match.group(5), 0),
"edx": int(match.group(6), 0)}
def gather_msr():
@ -214,23 +228,14 @@ def parse_filename(data):
def output_xml(data, filename):
leave_pattern = re.compile(
"^\\s*"
"(0x[0-9a-f]+)\\s*"
"(0x[0-9a-f]+):\\s*"
"eax=(0x[0-9a-f]+)\\s*"
"ebx=(0x[0-9a-f]+)\\s*"
"ecx=(0x[0-9a-f]+)\\s*"
"edx=(0x[0-9a-f]+)\\s*$")
leave_template = \
" <cpuid" \
" eax_in='{}'" \
" ecx_in='{}'" \
" eax='{}'" \
" ebx='{}'" \
" ecx='{}'" \
" edx='{}'" \
" eax_in='0x{0[eax_in]:08x}'" \
" ecx_in='0x{0[ecx_in]:02x}'" \
" eax='0x{0[eax]:08x}'" \
" ebx='0x{0[ebx]:08x}'" \
" ecx='0x{0[ecx]:08x}'" \
" edx='0x{0[edx]:08x}'" \
"/>\n"
msr_template = " <msr index='0x{:x}' edx='0x{:08x}' eax='0x{:08x}'/>\n"
@ -239,9 +244,8 @@ def output_xml(data, filename):
with open(filename, "wt") as f:
f.write("<!-- {} -->\n".format(data["name"]))
f.write("<cpudata arch='x86'>\n")
for line in data["leaves"]:
match = leave_pattern.match(line)
f.write(leave_template.format(*match.groups()))
for leave in data["leaves"]:
f.write(leave_template.format(leave))
for key, value in sorted(data["msr"].items()):
f.write(msr_template.format(
int(key),