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#!/usr/bin/env python3
# Copyright (C) 2019-2023 Algorand, Inc.
# This file is part of go-algorand
#
# go-algorand is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# go-algorand is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
#
###
#
# Process heap profiles (*.heap) collected from heapWatch.py
# Create a report on `algod` RAM usage
import argparse
import configparser
import csv
import glob
import json
import logging
import os
import re
import sys
import subprocess
import time
logger = logging.getLogger(__name__)
# go tool pprof -sample_index=inuse_space -text Primary.20210708_131740.heap|grep ^Showing.\*total\$
# Showing nodes accounting for 82.08MB, 100% of 82.08MB total
total_inuse_re = re.compile(r'Showing nodes accounting for [^,]+, .* of ([0-9.]+)([kKmMgGtT]?B) total', re.MULTILINE)
multipliers = {
'B': 1,
'KB': 1024,
'MB': 1024*1024,
'GB': 1024*1024*1024,
'TB': 1024*1024*1024*1024,
}
# d = {k: {t: v},...}
def dapp(d, k, t, v):
l = d.get(k)
if l is None:
d[k] = {t: v}
else:
l[t] = v
# d = {k: {t: {m: v},...},...}
def dapp_metric(d, k, t, m, v):
l = d.get(k)
if l is None:
d[k] = {t: {m: v}}
else:
l2 = l.get(t)
if l2 is None:
l[t] = {m: v}
else:
l2[m] = v
def get_heap_inuse_totals(dirpath):
'''return {"node nickname": {"YYYYmmdd_HHMMSS": bytes}, ...}'''
cache_mtime = 0
cache_path = os.path.join(dirpath, 'heap_inuse_totals.json')
if os.path.exists(cache_path):
cache_mtime = os.path.getmtime(cache_path)
with open(cache_path, 'rb') as fin:
cached = json.load(fin)
else:
cached = {}
heap_name_re = re.compile(r'(.*)\.(.*).heap')
bynick = {}
skipcount = 0
for path in glob.glob(os.path.join(dirpath, '*.*.heap')):
if os.path.getmtime(path) < cache_mtime:
skipcount += 1
continue
fname = os.path.basename(path)
m = heap_name_re.match(fname)
if not m:
logger.warning('could not parse heap filename: %r', path)
continue
nick = m.group(1)
timestamp = m.group(2)
cmd = ['go', 'tool', 'pprof', '-sample_index=inuse_space', '-text', path]
result = subprocess.run(cmd, capture_output=True)
text = result.stdout.decode()
m = total_inuse_re.search(text)
if not m:
logger.error('could not find total in output: %s', text)
raise Exception('could not find total in output of: %s', ' '.join([repr(x) for x in cmd]))
bytesinuse = float(m.group(1)) * multipliers[m.group(2).upper()]
dapp(bynick, nick, timestamp, bytesinuse)
logger.debug('%s ok, %s %f', path, timestamp, bytesinuse)
logger.debug('%d skipped older than cache', skipcount)
for nick, recs in bynick.items():
old = cached.get(nick)
if old is None:
cached[nick] = recs
else:
cached[nick].update(recs)
if cached and bynick:
with open(cache_path, 'wt') as fout:
json.dump(cached, fout)
return cached
def get_heap_metrics(dirpath):
'''return {"node nickname": {"YYYYmmdd_HHMMSS": {"metric": value}, ...}, ...}'''
metrics_name_re = re.compile(r'(.*)\.(.*).metrics')
bynick = {}
for path in glob.glob(os.path.join(dirpath, '*.*.metrics')):
fname = os.path.basename(path)
m = metrics_name_re.match(fname)
if not m:
logger.warning('could not parse heap filename: %r', path)
continue
nick = m.group(1)
timestamp = m.group(2)
with open(path, 'rt') as fin:
for line in fin.readlines():
if line.startswith('#'):
continue
elif line.startswith('algod_go_memory_classes_heap_objects_bytes'):
inuse = float(line.split()[1])
dapp_metric(bynick, nick, timestamp, 'inuse', inuse)
elif line.startswith('algod_go_memory_classes_total_bytes'):
total = float(line.split()[1])
dapp_metric(bynick, nick, timestamp, 'total', total)
elif line.startswith('algod_go_memory_classes_heap_free_bytes'):
free = float(line.split()[1])
dapp_metric(bynick, nick, timestamp, 'free', free)
elif line.startswith('algod_go_memory_classes_heap_released_bytes'):
released = float(line.split()[1])
dapp_metric(bynick, nick, timestamp, 'released', released)
return bynick
def maybe_load_tf_nicks(args):
tf_inventory_path = os.path.join(args.dir, 'terraform-inventory.host')
if not os.path.exists(tf_inventory_path):
return None
tf_inventory = configparser.ConfigParser(allow_no_value=True)
tf_inventory.read(tf_inventory_path)
ip_to_name = {}
for k, sub in tf_inventory.items():
if k.startswith('name_'):
nick = k[5:]
for ip in sub:
if ip in ip_to_name:
logger.warning('ip %r already named %r, also got %r', ip, ip_to_name[ip], k)
ip_to_name[ip] = nick
return ip_to_name
def hostports_to_nicks(args, hostports, metrics=None):
ip_to_nick = maybe_load_tf_nicks(args)
if not ip_to_nick:
if metrics:
return ['{}#{}'.format(hp, m) for hp in hostports for m in metrics]
return hostports
out = []
for hp in hostports:
hit = None
for ip, nick in ip_to_nick.items():
if ip in hp:
if hit is None:
hit = nick
else:
logger.warning('nick collision in ip=%r, hit=%r nick=%r', ip, hit, nick)
hit = nick
if not hit:
hit = hp
out.append(hit)
out.sort()
if metrics:
return ['{}#{}'.format(hp, m) for hp in out for m in metrics]
return out
def main():
ap = argparse.ArgumentParser()
ap.add_argument('-d', '--dir', required=True, help='dir path to find /*.metrics in')
ap.add_argument('--csv')
ap.add_argument('--verbose', default=False, action='store_true')
args = ap.parse_args()
if args.verbose:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.INFO)
heap_totals = get_heap_inuse_totals(args.dir)
heap_details = get_heap_metrics(args.dir)
if args.csv:
if args.csv == '-':
csvf = sys.stdout
else:
csvf = open(args.csv, 'wt')
writer = csv.writer(csvf)
whens = set()
col_names_target = heap_totals if heap_totals else heap_details
for nick, recs in col_names_target.items():
# {k: {t: v}}
for ts in recs.keys():
whens.add(ts)
whens = sorted(whens)
nodes = sorted(col_names_target.keys())
metrics = list(heap_details[nodes[0]].values())[0]
writer.writerow(
['when','dt','round'] +
hostports_to_nicks(args, nodes, metrics=['pprof_inuse_space'] + list(metrics.keys()))
)
first = None
for ts in whens:
tv = time.mktime(time.strptime(ts, '%Y%m%d_%H%M%S'))
if first is None:
first = tv
nick = nodes[0]
bipath = os.path.join(args.dir, '{}.{}.blockinfo.json'.format(nick, ts))
try:
bi = json.load(open(bipath))
rnd = str(bi['block']['rnd'])
except:
rnd = '0'
row = [ts, tv-first, rnd]
for nick in nodes:
# {k: {t: v}}
val = heap_totals.get(nick, {}).get(ts)
row.append(val if val else 0)
vals = heap_details[nick].get(ts)
# {k: {t: {m: v}}}
if vals:
row.extend(vals.values())
writer.writerow(row)
return 0
if __name__ == '__main__':
sys.exit(main())
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