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| author | Nick Mathewson <nickm@torproject.org> | 2017-06-14 17:44:15 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2017-06-14 17:44:15 -0400 |
| commit | 80ad374b8457e4c92f88f8a89376a8ca87231c9c (patch) | |
| tree | 8594340d064bf4820d1497ba3fc32cca938d94ae /doc | |
| parent | 3f40d9ec20c319cf57132ea526a2f9987a663599 (diff) | |
| download | tor-80ad374b8457e4c92f88f8a89376a8ca87231c9c.tar.gz tor-80ad374b8457e4c92f88f8a89376a8ca87231c9c.zip | |
Remove old callgraph scripts; recommend calltool instead.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/HACKING/HelpfulTools.md | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/doc/HACKING/HelpfulTools.md b/doc/HACKING/HelpfulTools.md index 67481ace43..b8ba2aa408 100644 --- a/doc/HACKING/HelpfulTools.md +++ b/doc/HACKING/HelpfulTools.md @@ -226,17 +226,10 @@ performance! See the gperftools manual for more info, but basically: Generating and analyzing a callgraph ------------------------------------ -1. Run `./scripts/maint/generate_callgraph.sh`. This will generate a - bunch of files in a new ./callgraph directory. +0. Build Tor on linux or mac, ideally with -O0 or -fno-inline. -2. Run `./scripts/maint/analyze_callgraph.py callgraph/src/*/*`. This - will do a lot of graph operations and then dump out a new - `callgraph.pkl` file, containing data in Python's 'pickle' format. - -3. Run `./scripts/maint/display_callgraph.py`. It will display: - - the number of functions reachable from each function. - - all strongly-connnected components in the Tor callgraph - - the largest bottlenecks in the largest SCC in the Tor callgraph. +1. Clone 'https://gitweb.torproject.org/user/nickm/calltool.git/' . + Follow the README in that repository. Note that currently the callgraph generator can't detect calls that pass through function pointers. |