Requirement
You want to visualize a call hierarchy of a C function.
Solution
Utilities you need are listed below:
Take ‘rdbSaveBackground’ (redis/rdb.c) for example:
cflow --format=posix --omit-arguments --level-indent='0=\t' --level-indent='1=\t' --level-indent=start='\t' -m 'rdbSaveBackground' ~/osprojects/redis/src/rdb.c | cflow2dot | dot -Tjpg -o rdb.jpg
Output:
Source: unix diary
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