9 releases (breaking)
0.7.2 | May 23, 2024 |
---|---|
0.7.0 | Oct 7, 2022 |
0.6.0 | Sep 27, 2022 |
0.5.0 | Sep 27, 2022 |
0.1.0 | Sep 16, 2022 |
#859 in Command line utilities
2.5MB
978 lines
TRACER
Monitor live application either as child process or separate PID, collecting /displaying stats ( cpu usage, memory usage).
Note: For monitoring one-shot applications - see https://github.com/yarenty/app_benchmark.
UI (TUI)
Build
cargo build -r
Run
Create example app:
cargo build --examples test_app
Run in txt mode and output persisted to out.csv file:
cargo run -r -- -n -o out.csv /opt/workspace/app_tracer/target/debug/examples/test_app
Usage
app-tracer 0.4.0
Tracing / benchmarking long running applications (ie: streaming).
USAGE:
tracer [OPTIONS] [APPLICATION]
ARGS:
<APPLICATION> Application to be run as child process (alternatively provide PID of
running app)
OPTIONS:
-h, --help Print help information
-l, --log <LOG> Set custom log level: info, debug, trace [default: info]
-n, --noui No UI - only text output
-o, --output <OUTPUT> Name of output CSV file with all readings - for further investigations
-p, --pid <PID> PID of external process
-r, --refresh <REFRESH> Refresh rate in milliseconds [default: 1000]
-V, --version Print version information
Example output
cargo run -r -- -n -o out.csv /opt/workspace/app_tracer/target/debug/examples/test_app
Compiling app-tracer v0.4.0 (/opt/workspace/app_tracer)
Finished release [optimized] target(s) in 2.98s
Running `target/release/tracer -n -o out.csv /opt/workspace/app_tracer/target/debug/examples/test_app`
12:26:12.260 (t: main) INFO - tracer - Application to be monitored is: test_app, in dir /opt/workspace/app_tracer/target/debug/examples/test_app
12:26:12.261 (t: main) INFO - tracer - Refresh rate: 1000 ms.
12:26:12.261 (t: main) INFO - tracer - Output readings persisted into "out.csv".
12:26:12.261 (t: main) INFO - tracer - Starting with PID::15008
12:26:12.296 (t: main) INFO - tracer - Running in TXT mode.
12:26:13.298 (t: main) INFO - tracer - CPU: 0 [%], memory: 2208 [kB]
12:26:14.303 (t: main) INFO - tracer - CPU: 0.0030129354 [%], memory: 2208 [kB]
12:26:15.308 (t: main) INFO - tracer - CPU: 0.0054045436 [%], memory: 2208 [kB]
12:26:16.309 (t: main) INFO - tracer - CPU: 0.0023218023 [%], memory: 2208 [kB]
12:26:17.311 (t: main) INFO - tracer - CPU: 0.006252239 [%], memory: 2208 [kB]
12:26:18.312 (t: main) INFO - tracer - CPU: 0.0036088445 [%], memory: 2208 [kB]
12:26:19.317 (t: main) INFO - tracer - CPU: 0.0057060686 [%], memory: 2208 [kB]
12:26:20.318 (t: main) INFO - tracer - CPU: 0.005099413 [%], memory: 2208 [kB]
12:26:21.318 (t: main) INFO - tracer - CPU: 0.007175615 [%], memory: 2208 [kB]
12:26:22.319 (t: main) INFO - tracer - CPU: 0.005251118 [%], memory: 2208 [kB]
12:26:23.319 (t: main) INFO - tracer - CPU: 0.0021786916 [%], memory: 2208 [kB]
12:26:24.321 (t: main) INFO - tracer - CPU: 0.006866733 [%], memory: 2208 [kB]
CSV persistence
Example output.csv file:
Time,Cpu,Mem
11:27:16.394591,0,2136
11:27:17.396917,0.004986567,2136
11:27:18.397440,0.006548807,2136
CHANGELOG
Dependencies
~18–28MB
~401K SLoC