Random-Stuff/mac_sys_stats.py at master · DNSGeek/Random-Stuff · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
#!/Library/Frameworks/Python.framework/Versions/3.11/bin/python3 -uO

import logging
import subprocess
import sys
import time
from platform import node
from typing import Dict, List


def get_top() -> List[str]:
    try:
        top = subprocess.Popen(
            ["/usr/bin/top", "-l", "1"],
            stdout=subprocess.PIPE,
            stdin=subprocess.PIPE,
            stderr=subprocess.PIPE,
        )
        lines = top.stdout.readlines()
        top.terminate()
        retList: List[str] = []
        for line in lines:
            retList.append(line.decode("utf-8").strip())
        return retList
    except Exception as ex:
        logging.error(f"Unable to process top: {ex}")
        sys.exit(1)


def parse_top(top: List[str]) -> Dict:
    year = time.localtime().tm_year
    retDict: Dict = {"hostname": node()}
    for line in top:
        if not line:
            continue  # skip blank lines
        if line.startswith(f"{year}/"):
            continue
        fields = line.split()
        if line.startswith("Processes"):
            total = int(fields[1])
            running = int(fields[3])
            sleeping = int(fields[5])
            threads = int(fields[7])
            retDict["process_counts"] = {
                "total": total,
                "running": running,
                "sleeping": sleeping,
                "threads": threads,
            }
        elif line.startswith("Load Avg"):
            one = float(fields[2][:-1])
            five = float(fields[3][:-1])
            fifteen = float(fields[4])
            retDict["load_avg"] = {
                "one": one,
                "five": five,
                "fifteen": fifteen,
            }
        elif line.startswith("CPU usage"):
            userpct = float(fields[2][:-1])
            syspct = float(fields[4][:-1])
            idlepct = float(fields[6][:-1])
            retDict["cpu"] = {
                "user": userpct,
                "sys": syspct,
                "idle": idlepct,
            }
        elif line.startswith("SharedLibs"):
            resident = fields[1]
            data = fields[3]
            linked = fields[5]
            retDict["libs"] = {
                "resident": resident,
                "data": data,
                "linked": linked,
            }
        elif line.startswith("MemRegions"):
            total = int(fields[1])
            resident = fields[3]
            private = fields[5]
            shared = fields[7]
            retDict["regions"] = {
                "total": total,
                "resident": resident,
                "private": private,
                "shared": shared,
            }
        elif line.startswith("PhysMem"):
            used = fields[1]
            wired = fields[3]
            comp = fields[5]
            unused = fields[7]
            retDict["memory"] = {
                "used": used,
                "wired": wired,
                "compressed": comp,
                "unused": unused,
            }
        elif line.startswith("VM"):
            vsize = fields[1]
            frame = fields[3]
            swapin = fields[6].split("(")[0]
            swapout = fields[8].split("(")[0]
            retDict["vm"] = {
                "vsize": vsize,
                "framework_vsize": frame,
                "swapin": swapin,
                "swapout": swapout,
            }
        elif line.startswith("Networks"):
            pin = fields[2].split("/")
            pout = fields[4].split("/")
            pktin = int(pin[0])
            memin = pin[1]
            pktout = int(pout[0])
            memout = pout[1]
            retDict["network"] = {
                "packets_in": pktin,
                "data_in": memin,
                "packets_out": pktout,
                "data_out": memout,
            }
        elif line.startswith("Disks"):
            r = fields[1].split("/")
            w = fields[3].split("/")
            pktsin = int(r[0])
            memin = r[1]
            pktsout = int(w[0])
            memout = w[1]
            retDict["disk_usage"] = {
                "sectors_read": pktsin,
                "data_read": memin,
                "sectors_written": pktsout,
                "data_written": memout,
            }
        elif line.startswith("PID"):
            out_fields: Dict[str, int] = {}
            for lnum, name in enumerate(fields):
                out_fields[name] = lnum
        else:
            if "processes" not in retDict:
                retDict["processes"] = []
            pdict = {}
            for name in out_fields:
                pdict[name.lower()] = fields[out_fields[name]]
            retDict["processes"].append(pdict)
    return retDict


if __name__ == "__main__":
    top = get_top()
    data = parse_top(top)
    print(data)