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Split counting from sampling.
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This commit is contained in:
George V. Neville-Neil 2026-01-06 08:55:14 +00:00
parent 9ea30bbb0e
commit 77153a491e
1 changed files with 21 additions and 4 deletions
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25
tools/test/hwpmc/pmctest.py
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@ -42,7 +42,8 @@ def main():
parser = argparse.ArgumentParser(description='Exercise a program under hwpmc')
parser.add_argument('--program', type=str, required=True, help='target program')
parser.add_argument('--wait', action='store_true', help='Wait after each counter.')
parser.add_argument('--exercise', action='store_true', help='Exercise the program being studied using sampling counters.')
parser.add_argument('--count', action='store_true', help='Exercise the program being studied using counting mode pmcs.')
parser.add_argument('--sample', action='store_true', help='Exercise the program being studied using sampling mode pmcs.')
args = parser.parse_args()
@ -52,22 +53,38 @@ def main():
print("no counters found")
sys.exit()
if args.count == True and args.sample == True:
print("Choose one of --count OR --sample.")
sys.exit()
program = Path(args.program).name
if args.exercise == True:
tmpdir = tempfile.mkdtemp(prefix=program + "-", suffix="-pmc")
if args.count == True:
tmpdir = tempfile.mkdtemp(prefix=program + "-", suffix="-counting-pmc")
print("Exercising program ", args.program, " storing results data in ", tmpdir)
if args.sample == True:
tmpdir = tempfile.mkdtemp(prefix=program + "-", suffix="-sampling-pmc")
print("Exercising program ", args.program, " storing results data in ", tmpdir)
for counter in counters:
if counter in notcounter:
continue
if args.exercise == True:
if args.count == True:
with open(tmpdir + "/" + program + "-" + counter + ".txt", 'w') as file:
p = subprocess.Popen(["pmcstat",
"-p", counter, args.program],
text=True, stderr=file, stdout=file)
result = p.communicate()[1]
print(result)
elif args.sample == True:
p = subprocess.Popen(["pmcstat",
"-O", tmpdir + "/" + program + "-" + counter + ".pmc",
"-P", counter, args.program],
text=True, stderr=PIPE)
result = p.communicate()[1]
print(result)
else:
p = subprocess.Popen(["pmcstat", "-p", counter, args.program],
text=True, stderr=PIPE)