elbaro / downtown Goto Github PK

1. User scrolls to the table header
2. Press enter
3. Show checkboxes (min, p50, gc count, gc time, malloc count, malloc amount, malloc time)

tonari-actor logs the error and shutdowns the system. It has no way to propagate the error to the user.

• If a filepath or funcname is longer than 128 bytes, use concat(hash(path[:-128]).to_u64_string(), path[-128:]) instead.
• Document the overhead of such logic

syntect
syntect-tui

https://github.com/chanq-io/syntect-tui/blob/main/src/lib.rs
https://github.com/gyscos/cursive/blob/main/cursive-syntect/examples/parse.rs

BPF Probe test

> sudo  /usr/share/bcc/tools/tplist -l /home/user/projects/cpython/python
> sudo bpftrace -lv  # show args
> sudo bpftrace -l -p 146893 | rg usdt
> sudo bpftrace -e 'usdt:/home/user/projects/cpython/python:line { printf("%s %s %d\n", str(arg0), str(arg1), arg2); }'
> sudo bpftrace -e 'usdt:/home/user/projects/cpython/python:python:function__entry { printf("%s %s\n", str(arg0), str(arg1)); }'

1. Go to a line
2. A new panel shows sub function calls
3. Select a sub call and press enter

Cache the last 10 source file parsing + highlight in memory

Show pid and python interpreter binary

One can create a list of preconditions. Probes are active only when all preconditions are true.

1. Show currently running script file / function / lines
   -> too much overhead

2. Only show a list of files & stats per file

3. Do not implement and use py-spy

Accepts a user provided bpf functions.