mirror of
https://github.com/Chia-Network/chia-blockchain.git
synced 2024-09-11 18:58:59 +03:00
215 lines
6.7 KiB
Python
215 lines
6.7 KiB
Python
from __future__ import annotations
|
|
|
|
import pathlib
|
|
import tracemalloc
|
|
from dataclasses import dataclass, field
|
|
from functools import lru_cache
|
|
from subprocess import check_call
|
|
from sys import stdout
|
|
from typing import Dict, List, Optional, Set
|
|
|
|
import click
|
|
from colorama import Back, Fore, Style, init
|
|
|
|
|
|
@dataclass
|
|
class CallInfo:
|
|
size: int
|
|
calls: int = 1
|
|
|
|
def add(self, size: int) -> None:
|
|
self.size += size
|
|
self.calls += 1
|
|
|
|
|
|
@dataclass
|
|
class Frame:
|
|
size: int
|
|
fun_id: int
|
|
count: int = 1
|
|
callers: Dict[str, CallInfo] = field(default_factory=dict)
|
|
|
|
def add(self, size: int) -> None:
|
|
self.size += size
|
|
self.count += 1
|
|
|
|
|
|
def color(pct: float) -> str:
|
|
return f"{int((100.-pct)//10)+1}"
|
|
|
|
|
|
def fontcolor(pct: float) -> str:
|
|
if pct > 80 or pct < 20:
|
|
return "white"
|
|
else:
|
|
return "black"
|
|
|
|
|
|
@lru_cache(maxsize=10000)
|
|
def resolve_function(file: str, line: int) -> str:
|
|
try:
|
|
with open(file) as f:
|
|
all_lines: List[str] = []
|
|
for row in f:
|
|
all_lines.append(row)
|
|
|
|
# line numbers start at 1
|
|
while line > 0:
|
|
line -= 1
|
|
current = all_lines[line]
|
|
if " def " in current or current.startswith("def "):
|
|
return current.split("def ")[1].split("(")[0]
|
|
return file.rsplit("/", 1)[1]
|
|
except Exception:
|
|
return "<unknown>"
|
|
|
|
|
|
@click.group(help="Analyze heap profile data created via `enable_memory_profiler` config options.")
|
|
@click.argument("profile_path", type=str)
|
|
@click.pass_context
|
|
def memory_profiler(ctx: click.Context, profile_path: str) -> None:
|
|
ctx.ensure_object(dict)
|
|
ctx.obj["profile_path"] = pathlib.Path(profile_path)
|
|
|
|
|
|
@memory_profiler.command(
|
|
help="Analyze memory usage at 1 minute interval from the profiles in the specified directory. "
|
|
"Print colored timeline to stdout"
|
|
)
|
|
@click.pass_context
|
|
def print_timeline(ctx: click.Context) -> None:
|
|
init(strip=False)
|
|
counter = 0
|
|
try:
|
|
while True:
|
|
snapshot = tracemalloc.Snapshot.load(str(ctx.obj["profile_path"] / f"heap-{counter:05d}.profile"))
|
|
# the total memory usage in MB
|
|
total = sum(st.size for st in snapshot.statistics("filename")) / 1000000.0
|
|
|
|
if total > 150:
|
|
color = Fore.RED + Style.BRIGHT
|
|
elif total > 120:
|
|
color = Fore.MAGENTA + Style.BRIGHT
|
|
elif total > 90:
|
|
color = Fore.YELLOW + Style.BRIGHT
|
|
elif total > 60:
|
|
color = Style.BRIGHT
|
|
elif total < 30:
|
|
color = Fore.GREEN
|
|
else:
|
|
color = ""
|
|
|
|
quantized = int(total // 20)
|
|
print(f"{counter:05d}: {color}{total:3.0f} MB {Back.WHITE} {' ' * quantized}{Style.RESET_ALL}")
|
|
|
|
counter += 1
|
|
except Exception as e:
|
|
print(e)
|
|
|
|
|
|
@memory_profiler.command(help="Analyze a single slot from the profile directory")
|
|
@click.argument("slot", type=int)
|
|
@click.pass_context
|
|
def analyze_slot(ctx: click.Context, slot: int) -> None:
|
|
file = str(ctx.obj["profile_path"] / f"heap-{slot:05d}.profile")
|
|
output_file = str(ctx.obj["profile_path"] / f"heap-{slot:05d}")
|
|
|
|
print(f"generating call tree for slot {slot}")
|
|
|
|
all_frames: Dict[str, Frame] = {}
|
|
|
|
total_size = 0
|
|
calls = 0
|
|
snapshot = tracemalloc.Snapshot.load(file)
|
|
for trace in snapshot.traces:
|
|
prev_fun: Optional[str] = None
|
|
total_size += trace.size
|
|
calls += 1
|
|
if ((calls - 1) & 255) == 0:
|
|
stdout.write(f"\rtotal size: {total_size/1000000:0.3f} MB ({calls} allocs) ")
|
|
# to support recursive functions, make sure we only visit each frame
|
|
# once during traversal
|
|
visited: Set[str] = set()
|
|
for frame in trace.traceback:
|
|
fun = resolve_function(frame.filename, frame.lineno)
|
|
if fun in visited:
|
|
prev_fun = fun
|
|
continue
|
|
|
|
visited.add(fun)
|
|
|
|
if fun in all_frames:
|
|
all_frames[fun].add(trace.size)
|
|
if prev_fun:
|
|
if prev_fun in all_frames[fun].callers:
|
|
all_frames[fun].callers[prev_fun].add(trace.size)
|
|
else:
|
|
all_frames[fun].callers[prev_fun] = CallInfo(trace.size)
|
|
else:
|
|
all_frames[fun] = Frame(trace.size, len(all_frames))
|
|
if prev_fun:
|
|
all_frames[fun].callers[prev_fun] = CallInfo(trace.size)
|
|
prev_fun = fun
|
|
|
|
print(f"\nwriting {output_file + '.dot'}")
|
|
with open(output_file + ".dot", "w") as f:
|
|
f.write(
|
|
"digraph {\n"
|
|
'node [fontsize=11, colorscheme=rdylgn10, style=filled, fontname="Arial"]\n'
|
|
'edge [fontsize=11, colorscheme=rdylgn10, fontname="Arial"]\n'
|
|
)
|
|
|
|
filter_frames = set()
|
|
|
|
for name, fr in all_frames.items():
|
|
# frames that are less than 0.1% of the total allocations are
|
|
# filtered
|
|
if fr.size / total_size < 0.001:
|
|
filter_frames.add(name)
|
|
continue
|
|
percent = fr.size * 100 / total_size
|
|
f.write(
|
|
f'frame_{fr.fun_id} [shape=box, label="{name}()\\l'
|
|
f"{percent:0.2f}%\\n"
|
|
f"{fr.size/1000000:0.3f}MB\\n"
|
|
f'{fr.count}x\\n",'
|
|
f"fillcolor={color(percent)}, "
|
|
f"color={color(percent)}, "
|
|
f"fontcolor={fontcolor(percent)}]\n"
|
|
)
|
|
|
|
# print all edges (calls)
|
|
for name, fr in all_frames.items():
|
|
if name in filter_frames:
|
|
continue
|
|
|
|
for caller, ci in fr.callers.items():
|
|
caller_info = all_frames.get(caller)
|
|
if caller_info is None:
|
|
continue
|
|
if caller in filter_frames:
|
|
continue
|
|
percent = ci.size * 100 / total_size
|
|
|
|
# filter edges that are too insignificant
|
|
if percent < 0.01:
|
|
continue
|
|
|
|
caller_frame = all_frames.get(caller)
|
|
assert caller_frame
|
|
caller_id = caller_frame.fun_id
|
|
f.write(
|
|
f"frame_{caller_id} -> frame_{fr.fun_id} "
|
|
f'[label="{percent:0.2f}%\\n{ci.calls}x",'
|
|
f"penwidth={0.3+(ci.size*6/total_size):0.2f},"
|
|
f"color={color(percent)}]\n"
|
|
)
|
|
f.write("}\n")
|
|
print(f"writing {output_file}.png")
|
|
with open(output_file + ".png", "wb") as f2:
|
|
check_call(["dot", "-Tpng", output_file + ".dot"], stdout=f2)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
memory_profiler() # pylint: disable = no-value-for-parameter
|