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Add CPU feature for standard MIPS r2 performance counters, as determined by the Config1.PC bit. Both perf_events and oprofile probe this bit, so lets combine the probing and change both to use cpu_has_perf. This will also be used for VZ support in KVM to know whether performance counters exist which can be exposed to guests. [ralf@linux-mips.org: resolve conflict.] Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Robert Richter <rric@kernel.org> Cc: linux-mips@linux-mips.org Cc: oprofile-list@lists.sf.net Patchwork: https://patchwork.linux-mips.org/patch/13226/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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backtrace.c | ||
common.c | ||
Makefile | ||
op_impl.h | ||
op_model_loongson2.c | ||
op_model_loongson3.c | ||
op_model_mipsxx.c |