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| author | Sandipan Das <sandipan.das@amd.com> | 2022-08-11 15:30:01 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-08-27 01:05:45 +0300 |
| commit | 0bc3be5b4bfd5b75086c26d63584a6f7aaea87d5 (patch) | |
| tree | 15e21d71b36fe1df41c584419274433d842192b0 /arch/x86/events/utils.c | |
| parent | 93315e46b000fc80fff5d53c3f444417fb3df6de (diff) | |
| download | linux-0bc3be5b4bfd5b75086c26d63584a6f7aaea87d5.tar.xz | |
perf/x86/amd/lbr: Add LbrExtV2 branch speculation info support
Provide branch speculation information captured via AMD Last Branch Record
Extension Version 2 (LbrExtV2) by setting the speculation info in branch
records. The info is based on the "valid" and "spec" bits in the Branch To
registers.
Suggested-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/ddc02f6320464cad0e3ff5bdb2314531568a91bc.1660211399.git.sandipan.das@amd.com
Diffstat (limited to 'arch/x86/events/utils.c')
0 files changed, 0 insertions, 0 deletions