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Summary:
This patch implements support for Intel(R) Processor Trace
in lldb server. The changes have support for
starting/stopping and reading the trace data. The code
is only available on Linux versions where the perf
attributes for aux buffers are available.
The patch also consists of Unit tests for testing the
core buffer reading function.
Reviewers: lldb-commits, labath, clayborg, zturner, tberghammer
Reviewed By: labath, clayborg
Subscribers: mgorny
Differential Revision: https://reviews.llvm.org/D33674
llvm-svn: 306516
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Summary:
ProcFileReader is the cause of the dependency from Host to ProcessLinux
module. Since it's interface is also obsolete (ReadIntoDataBuffer is
trivially replaceable by llvm::MemoryBuffer functions and
ProcessLineByLine is trivially implementable with StringRefs), instead
of moving it around I'm planning to obliterate it. This is the first
step, where I remove a couple of occurences in linux/Host.cpp, and
modernize some code around that.
I have introduced linux/Support.h, which holds two utility functions
now, whose resposibility is to construct the appropriate proc file names
-- the only useful feature of ProcFileReader.
I add a couple of tests for these functions, and for
Host::GetProcessInfo. It's worth noting that these are the first
host-specific unit tests in lldb.
Reviewers: zturner, eugene
Subscribers: srhines, lldb-commits, mgorny
Differential Revision: https://reviews.llvm.org/D30942
llvm-svn: 297843
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