def _do_wast(wasm_path, wast_path, cwd=None):
if not exists(wasm_path):
print("Could not find wasm file at {}".format(wasm_path))
exit(1)
if exists(wast_path):
remove(wast_path)
wavm_bin = find_command("wavm", POSSIBLE_BUILD_BINS)
cmd = [
wavm_bin,
"disassemble",
wasm_path,
wast_path,
"--enable simd",
"--enable atomics",
]
cmd = " ".join(cmd)
kwargs = {
"shell": True,
}
if cwd:
kwargs["cwd"] = cwd
call(cmd, **kwargs)
# call("head -40 {}".format(wast_path), shell=True)
print("vim {}".format(wast_path))
def general(ctx, user, func, reps=10, cmd=None, data=None, reverse=False):
"""
Generates a flame graph for the given function
"""
print("Generating flame graph for {} reps of {}/{}".format(
reps, user, func))
if not exists(FLAME_GRAPH_DIR):
print("Cloning FlameGraph")
run(
"git clone https://github.com/brendangregg/FlameGraph",
cwd=WORK_DIR,
shell=True,
check=True,
)
# Set up the command to be perf'd
if not cmd:
simple_runner_bin = find_command("simple_runner")
cmd = " ".join(
[simple_runner_bin, user, func,
str(reps), data if data else ""])
# Set up main perf command
perf_cmd = ["perf", "record", "-k 1", "-F 99", "-g", cmd]
perf_cmd = " ".join(perf_cmd)
# Create list of commands to be run
svg_file = join(PROJ_ROOT, "flame.svg")
cmds = [
perf_cmd,
"perf inject -i perf.data -j -o perf.data.jit",
"perf script -i perf.data.jit > out.perf",
"./stackcollapse-perf.pl out.perf > out.folded",
"./flamegraph.pl {} out.folded > {}".format(
"--reverse" if reverse else "", svg_file),
]
# Execute each one in the flame graphs checkout
for cmd in cmds:
print(cmd)
run(cmd, shell=True, check=True, cwd=FLAME_GRAPH_DIR)
# Replace symbols in the SVG file
replace_symbols_in_file(user, func, svg_file, prefix="wasm")
print("\nFlame graph written to {}".format(svg_file))
def check(ctx):
"""
Detect if SGX is supported
"""
binary = find_command("detect_sgx")
run(binary, shell=True)
def find_codegen_func(wamr=False):
if wamr:
return find_command("wamrc", POSSIBLE_BUILD_BINS)
else:
return find_command("codegen_func", POSSIBLE_BUILD_BINS)
def find_codegen_shared_lib():
return find_command("codegen_shared_obj", POSSIBLE_BUILD_BINS)
def find_codegen_func():
return find_command("codegen_func", POSSIBLE_BUILD_BINS)
def find_codegen_func(wamr=False):
if wamr:
return find_command("wamrc")
else:
return find_command("codegen_func")
def find_codegen_shared_lib():
return find_command("codegen_shared_obj")
def find_codegen_func():
return find_command("codegen_func")
