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| -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. |