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Diffstat (limited to 'development/uftrace/README')
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diff --git a/development/uftrace/README b/development/uftrace/README new file mode 100644 index 0000000000..e3d851eec1 --- /dev/null +++ b/development/uftrace/README @@ -0,0 +1,13 @@ +uftrace is a function call graph tracer for C, C++, Rust and Python +programs. + +It hooks into the entry and exit of each function, recording timestamps +as well as the function's arguments and return values. uftrace is +capable of tracing both user and kernel functions, as well as library +functions and system events providing an integrated execution flow in a +single timeline. + +Initially, uftrace only supported function tracing with compiler +support. However, it now allows users to trace function calls without +recompilation by analyzing instructions in each function prologue and +dynamically and selectively patching those instructions. |