tatyana-krasnukha added inline comments.
================
Comment at: lldb/source/Plugins/Process/Trace/ProcessTrace.h:18
+
+class ProcessTrace : public lldb_private::Process {
+public:
----------------
clayborg wrote:
> So one issue is how do we eventually deal with debugging a live process that
> enables tracing. In that case we already have a real process class:
> ProcessGDBRemote most likely. We should avoid putting anything custom that is
> required from a process in this ProcessTrace class for when we actually have
> a real process class already. If we need to add anything, we will need to
> have virtual functions on the lldb_private::Process class that can call
> through to the Trace plug-in via its virtual functions as well to implement
> any functionality we might need.
>
> Is this class solely going to be used for "trace load"?
One option is to implement [[
https://sourceware.org/gdb/current/onlinedocs/gdb/Branch-Trace-Format.html |
btrace ]] request in the ProcessGDBRemote and make remote stubs support it.
I'm also interested in live tracing for a custom process plugin which obtains
instruction history in its own way. So, it would be good if a real
process/thread provides data to the tracing plug-in.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D88769/new/
https://reviews.llvm.org/D88769
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