package magic-trace

You can search for identifiers within the package.

in-package search v0.2.0

Collects and displays high-resolution traces of what a process is doing

Install

Dune Dependency

magic-trace.org Readme MIT License Edit opam file Versions (1)

Authors

J

Jane Street Group, LLC

Maintainers

J

Jane Street developers

Sources

v1.0.1.tar.gz

sha256=77b2e4b3bc769910656d0fdee4839250548aa49486fd3554f6c057f1d64abe99

sha512=1f111db6348673c22a110611182a92c8aa999668dc077c44bc4abcaa72ccb197899ff2577047888627b50fcc9890824de6c82b4fe9f06129190b8b487ec3f716

doc/src/magic-trace.magic_trace_core/symbol.ml.html

Source file `symbol.ml`

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
open! Core

type t =
  | From_perf of string
  | From_perf_map of Perf_map_location.t
  | Unknown
  | Untraced
  | Returned
  | Syscall
[@@deriving sexp, compare]

let display_name = function
  | Unknown -> "[unknown]"
  | Untraced -> "[untraced]"
  | Returned -> "[returned]"
  | Syscall -> "[syscall]"
  | From_perf name -> name
  | From_perf_map { function_; _ } -> function_
;;

let demangle_elf_name name =
  if String.is_prefix name ~prefix:"caml_"
  then name
  else Owee_location.demangled_symbol name
;;

let demangle t =
  match t with
  | Unknown | Untraced | Returned | Syscall | From_perf_map _ ->
    (* CR-someday cgaebel: Demangle java + other managed runtime names. *)
    t
  | From_perf name -> From_perf (demangle_elf_name name)
;;