Created
June 27, 2020 17:25
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| from flask import Flask, request | |
| import json | |
| import redis | |
| import subprocess | |
| import time | |
| app = Flask(__name__) | |
| redis_url = "0.0.0.0" | |
| redis_port = 6379 | |
| rds = redis.StrictRedis(host=redis_url, port=redis_port, db=0) | |
| def monitor_swap_controller(req): | |
| req_json = req.json | |
| evicteds = [] | |
| cmd = ('sudo cat /sys/module/isgx/parameters/sgx_nr_evicted') | |
| result = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, | |
| stderr=subprocess.PIPE, | |
| stdin=subprocess.PIPE).communicate() | |
| last_evicted = float(result[0].rstrip()) * 4 / 1024 | |
| while(rds.exists("time_queue") == 0): | |
| cmd = ('sudo cat /sys/module/isgx/parameters/sgx_nr_evicted') | |
| result = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, | |
| stderr=subprocess.PIPE, | |
| stdin=subprocess.PIPE).communicate() | |
| current_time = str(time.time()) | |
| evicted = float(result[0].rstrip()) * 4 / 1024 | |
| current_evicted = str(evicted - last_evicted) | |
| last_evicted = evicted | |
| evicteds.append((float(current_evicted), current_time)) | |
| collect_period = 0.1 | |
| time.sleep(collect_period) | |
| return json.dumps(evicteds) | |
| @app.route('/monitor/swap', methods=["POST"]) | |
| def monitor_swap_api(): | |
| return monitor_swap_controller(request) | |
| if __name__ == '__main__': | |
| app.run(host='0.0.0.0', port=7654) |
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