mirror of
https://github.com/mongodb/mongo.git
synced 2024-12-01 09:32:32 +01:00
94 lines
4.0 KiB
Python
Executable File
94 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
"""Collect system resource information on processes running in Evergreen on a given interval."""
|
|
|
|
from datetime import datetime
|
|
import optparse
|
|
import os
|
|
import sys
|
|
import time
|
|
|
|
from bson.json_util import dumps
|
|
import requests
|
|
|
|
# Get relative imports to work when the package is not installed on the PYTHONPATH.
|
|
if __name__ == "__main__" and __package__ is None:
|
|
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
|
|
|
|
from buildscripts.resmokelib import utils # pylint: disable=wrong-import-position
|
|
|
|
|
|
def main():
|
|
"""Collect system resources."""
|
|
usage = "usage: %prog [options]"
|
|
parser = optparse.OptionParser(description=__doc__, usage=usage)
|
|
parser.add_option(
|
|
"-i", "--interval", dest="interval", default=5, type="int",
|
|
help="Collect system resource information every <interval> seconds. "
|
|
"Default is every 5 seconds.")
|
|
parser.add_option(
|
|
"-o", "--output-file", dest="outfile", default="-",
|
|
help="If '-', then the file is written to stdout."
|
|
" Any other value is treated as the output file name. By default,"
|
|
" output is written to stdout.")
|
|
|
|
(options, _) = parser.parse_args()
|
|
|
|
with utils.open_or_use_stdout(options.outfile) as fp:
|
|
while True:
|
|
try:
|
|
# Requires the Evergreen agent to be running on port 2285.
|
|
response = requests.get("http://localhost:2285/status")
|
|
if response.status_code != requests.codes.ok:
|
|
print(
|
|
"Received a {} HTTP response: {}".format(response.status_code,
|
|
response.text), file=sys.stderr)
|
|
time.sleep(options.interval)
|
|
continue
|
|
|
|
timestamp = datetime.now()
|
|
try:
|
|
res_json = response.json()
|
|
except ValueError:
|
|
print("Invalid JSON object returned with response: {}".format(response.text),
|
|
file=sys.stderr)
|
|
time.sleep(options.interval)
|
|
continue
|
|
|
|
sys_res_dict = {}
|
|
sys_res_dict["timestamp"] = timestamp
|
|
sys_info = res_json["sys_info"]
|
|
sys_res_dict["num_cpus"] = sys_info["num_cpus"]
|
|
sys_res_dict["mem_total"] = sys_info["vmstat"]["total"]
|
|
sys_res_dict["mem_avail"] = sys_info["vmstat"]["available"]
|
|
ps_info = res_json["ps_info"]
|
|
for process in ps_info:
|
|
try:
|
|
sys_res_dict["pid"] = process["pid"]
|
|
sys_res_dict["ppid"] = process["parentPid"]
|
|
sys_res_dict["num_threads"] = process["numThreads"]
|
|
sys_res_dict["command"] = process.get("command", "")
|
|
sys_res_dict["cpu_user"] = process["cpu"]["user"]
|
|
sys_res_dict["cpu_sys"] = process["cpu"]["system"]
|
|
sys_res_dict["io_wait"] = process["cpu"]["iowait"]
|
|
sys_res_dict["io_write"] = process["io"]["writeBytes"]
|
|
sys_res_dict["io_read"] = process["io"]["readBytes"]
|
|
sys_res_dict["mem_used"] = process["mem"]["rss"]
|
|
except KeyError:
|
|
# KeyError may occur as a result of file missing from /proc, likely due to
|
|
# process exiting.
|
|
continue
|
|
|
|
print(dumps(sys_res_dict, sort_keys=True), file=fp)
|
|
|
|
if fp.fileno() != sys.stdout.fileno():
|
|
# Flush internal buffers associated with file to disk.
|
|
fp.flush()
|
|
os.fsync(fp.fileno())
|
|
time.sleep(options.interval)
|
|
except requests.ConnectionError as error:
|
|
print(error, file=sys.stderr)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|