https://bugzilla.redhat.com/show_bug.cgi?id=2382097
Bug ID: 2382097
Summary: Review Request: rocprofiler-register - A rocprofiler
helper library
Product: Fedora
Version: rawhide
OS: Linux
Status: NEW
Component: Package Review
Severity: medium
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
CC: [email protected]
Target Milestone: ---
Classification: Fedora
SRPM URL:
https://trix.fedorapeople.org/rocprofiler-register-6.4.1-1.fc43.src.rpm
Spec URL: https://trix.fedorapeople.org/rocprofiler-register.spec
The rocprofiler-register library is a helper library that coordinates
the modification of the intercept API table(s) of the HSA/HIP/ROCTx
runtime libraries by the ROCprofiler (v2) library. The purpose of this
library is to provide a consistent and automated mechanism of enabling
performance analysis in the ROCm runtimes which does not rely on
environment variables or unique methods for each runtime library.
When a runtime is initialized (either explicitly and lazily) and the
intercept API table is constructed, it passes this API table to
rocprofiler-register. Rocprofiler-register scans the symbols in the
address space and if it detects there is at least one visible symbol
named rocprofiler_configure (which is a function provided by tools),
it passes the intercept API table to the rocprofiler library (dlopening
the rocprofiler library if it is not already loaded). The rocprofiler
library then does an extensive scan for all the instances of the
rocprofiler_configure symbols and invokes each of them. The
rocprofiler_configure function (again, provided by a tool) returns
effectively tells rocprofiler which behaviors it wants to be notified
about, features it wants to use (e.g. API tracing, kernel dispatch
timing), etc.
Reproducible: Always
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