def config(path,
samrai_dir=None,
cxx_flags=None,
use_ninja=False,
use_ccache=False,
extra=""):
cmd = make_config_str(path, samrai_dir, cxx_flags, use_ninja, extra)
run(cmd, capture_output=False)
def check(force_kernel_space=False):
""" perf can require some system config / read the error if thrown """
kernel_space_opt = "a" if force_kernel_space else ""
run(f"perf stat -{kernel_space_opt}d sleep 1",
shell=True,
capture_output=True,
check=True)
record("ls", [], "/tmp/perf_record_check.dat")
def checkout(branch, create=False, recreate=False):
if recreate:
delete_branch(branch)
create = True
if create and not branch_exists(branch):
run(f"git checkout -b {branch}")
else:
run(f"git checkout {branch}")
def build(use_ninja=False, threads=1):
run("ninja" if use_ninja else f"make -j{threads}", capture_output=False)
def record(exe, events, output_file=None):
return run(record_cmd(exe, events, output_file), check=True)
def stat(exe, events, output_file=None):
return run(stat_cmd(exe, events, output_file), check=True)
def version():
# validated on perf version: 5.19
proc = run("perf -v", shell=True, capture_output=True)
if " " not in proc or "." not in proc:
raise ValueError("Unparsable result from 'perf -v'")
return [int(digit) for digit in proc.split(" ").split(".")]
def run_test(test, verbose=False, capture_output=False):
run(test_cmd(cmd, verbose=verbose), capture_output=capture_output)
def list_tests():
proc = run("ctest -N", capture_output=True)
out = decode_bytes(proc.stdout)
return [line.split(" ")[-1] for line in out.splitlines()[1:-2]]
def hashes(N=1):
return decode_bytes(
run(f"git log -{N} --pretty=format:%h").stdout).splitlines()
def current_branch():
return decode_bytes(run("git branch --show-current").stdout)
def branch_exists(branch):
try:
run(f"git show-branch {branch}", check=True)
except subprocess.CalledProcessError as e:
return False # exit failure means branch does not exist
return True
def log(N=10, use_short=False):
""" enjoy """
short = '--pretty=format:"%h%x09%an%x09%ad%x09%s"' if use_short else ""
return decode_bytes(run(f"git log -{N} {short}").stdout)