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| author | Johannes Stoelp <johannes.stoelp@gmail.com> | 2024-11-16 23:39:48 +0100 |
|---|---|---|
| committer | Johannes Stoelp <johannes.stoelp@gmail.com> | 2024-11-16 23:39:48 +0100 |
| commit | b9d649c726fcd4635e26cf54624152cbe43c9d5e (patch) | |
| tree | 34c83e05576dcdfe487aaf7b40a407795eb40583 /src/trace_profile/ltrace.md | |
| parent | d11cf73b01feb3fc559ca8790db70f468ab19b5e (diff) | |
| download | notes-b9d649c726fcd4635e26cf54624152cbe43c9d5e.tar.gz notes-b9d649c726fcd4635e26cf54624152cbe43c9d5e.zip | |
ltrace: add -n and -e
Diffstat (limited to 'src/trace_profile/ltrace.md')
| -rw-r--r-- | src/trace_profile/ltrace.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/trace_profile/ltrace.md b/src/trace_profile/ltrace.md index 12bd4b3..2881c07 100644 --- a/src/trace_profile/ltrace.md +++ b/src/trace_profile/ltrace.md @@ -7,8 +7,10 @@ ltrace [opts] [prg] -o <file> ... log output into <file> -l <filter> . show who calls into lib matched by <filter> -C .......... demangle + -e <filter> . show calls symbols matched by <filter> -x <filter> . which symbol table entry points to trace (can be of form sym_pattern@lib_pattern) + -n <num> number of spaces to indent nested calls ``` # Example @@ -18,6 +20,11 @@ List which program/libs call into `libstdc++`: ltrace -l '*libstdc++*' -C -o ltrace.log ./main ``` +List calls to specific symbols: +```bash +ltrace -e malloc -e free ./main +``` + Trace symbols from `dlopen(3)`ed libraries. ```bash # Assume libfoo.so would be dynamically loaded via dlopen. |