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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
use std::{
collections::BTreeMap,
env,
fmt::{self, Write as _},
io::Write as _,
time::{Instant, SystemTime, UNIX_EPOCH},
};
use anyhow::{bail, format_err, Result};
use crate::not_bash::{fs2, pushd, rm_rf, run};
type Unit = &'static str;
pub fn run_metrics() -> Result<()> {
let mut metrics = Metrics::new()?;
metrics.measure_build()?;
{
let _d = pushd("target");
let metrics_token = env::var("METRICS_TOKEN").unwrap();
let repo = format!("https://{}@github.com/rust-analyzer/metrics.git", metrics_token);
run!("git clone --depth 1 {}", repo)?;
let _d = pushd("metrics");
let mut file = std::fs::OpenOptions::new().append(true).open("metrics.json")?;
writeln!(file, "{}", metrics.json())?;
run!("git add .")?;
run!("git -c user.name=Bot -c [email protected] commit --message 📈")?;
run!("git push origin master")?;
}
eprintln!("{:#?}", metrics);
Ok(())
}
impl Metrics {
fn measure_build(&mut self) -> Result<()> {
run!("cargo fetch")?;
rm_rf("./target/release")?;
let build = Instant::now();
run!("cargo build --release --package rust-analyzer --bin rust-analyzer")?;
let build = build.elapsed();
self.report("build", build.as_millis() as u64, "ms");
Ok(())
}
}
#[derive(Debug)]
struct Metrics {
host: Host,
timestamp: SystemTime,
revision: String,
metrics: BTreeMap<String, (u64, Unit)>,
}
#[derive(Debug)]
struct Host {
os: String,
cpu: String,
mem: String,
}
impl Metrics {
fn new() -> Result<Metrics> {
let host = Host::new()?;
let timestamp = SystemTime::now();
let revision = run!("git rev-parse HEAD")?;
Ok(Metrics { host, timestamp, revision, metrics: BTreeMap::new() })
}
fn report(&mut self, name: &str, value: u64, unit: Unit) {
self.metrics.insert(name.into(), (value, unit));
}
fn json(&self) -> Json {
let mut json = Json::default();
self.to_json(&mut json);
json
}
fn to_json(&self, json: &mut Json) {
json.begin_object();
{
json.field("host");
self.host.to_json(json);
json.field("timestamp");
let timestamp = self.timestamp.duration_since(UNIX_EPOCH).unwrap();
json.number(timestamp.as_secs() as f64);
json.field("revision");
json.string(&self.revision);
json.field("metrics");
json.begin_object();
{
for (k, &(value, unit)) in &self.metrics {
json.field(k);
json.begin_array();
{
json.number(value as f64);
json.string(unit);
}
json.end_array();
}
}
json.end_object()
}
json.end_object();
}
}
impl Host {
fn new() -> Result<Host> {
if cfg!(not(target_os = "linux")) {
bail!("can only collect metrics on Linux ");
}
let os = read_field("/etc/os-release", "PRETTY_NAME=")?.trim_matches('"').to_string();
let cpu =
read_field("/proc/cpuinfo", "model name")?.trim_start_matches(':').trim().to_string();
let mem = read_field("/proc/meminfo", "MemTotal:")?;
return Ok(Host { os, cpu, mem });
fn read_field<'a>(path: &str, field: &str) -> Result<String> {
let text = fs2::read_to_string(path)?;
let line = text
.lines()
.find(|it| it.starts_with(field))
.ok_or_else(|| format_err!("can't parse {}", path))?;
Ok(line[field.len()..].trim().to_string())
}
}
fn to_json(&self, json: &mut Json) {
json.begin_object();
{
json.field("os");
json.string(&self.os);
json.field("cpu");
json.string(&self.cpu);
json.field("mem");
json.string(&self.mem);
}
json.end_object();
}
}
struct State {
obj: bool,
first: bool,
}
#[derive(Default)]
struct Json {
stack: Vec<State>,
buf: String,
}
impl Json {
fn begin_object(&mut self) {
self.stack.push(State { obj: true, first: true });
self.buf.push('{');
}
fn end_object(&mut self) {
self.stack.pop();
self.buf.push('}')
}
fn begin_array(&mut self) {
self.stack.push(State { obj: false, first: true });
self.buf.push('[');
}
fn end_array(&mut self) {
self.stack.pop();
self.buf.push(']')
}
fn field(&mut self, name: &str) {
self.object_comma();
self.string_token(name);
self.buf.push(':');
}
fn string(&mut self, value: &str) {
self.array_comma();
self.string_token(value);
}
fn string_token(&mut self, value: &str) {
self.buf.push('"');
self.buf.extend(value.escape_default());
self.buf.push('"');
}
fn number(&mut self, value: f64) {
self.array_comma();
write!(self.buf, "{}", value).unwrap();
}
fn array_comma(&mut self) {
let state = self.stack.last_mut().unwrap();
if state.obj {
return;
}
if !state.first {
self.buf.push(',');
}
state.first = false;
}
fn object_comma(&mut self) {
let state = self.stack.last_mut().unwrap();
if !state.first {
self.buf.push(',');
}
state.first = false;
}
}
impl fmt::Display for Json {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.buf)
}
}
|
