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8b92c3a78d
Add perf core PMU support for Intel Goldmont CPU cores: - The init code is based on Silvermont. - There is a new cache event list, based on the Silvermont cache event list. - Goldmont has 32 LBR entries. It also uses new LBRv6 format, which report the cycle information using upper 16-bit of the LBR_TO. - It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS for precise cycles. For details, please refer to the latest SDM058: http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-vol-3b-part-2-manual.pdf Signed-off-by: Kan Liang <kan.liang@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Link: http://lkml.kernel.org/r/1460706167-45320-1-git-send-email-kan.liang@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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