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/linux-master/arch/mips/kernel/ | ||
H A D | perf_event_mipsxx.c | diff 30228c40 Wed May 11 06:50:53 MDT 2016 James Hogan <jhogan@kernel.org> MIPS: Add perf counter feature 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> |
H A D | cpu-probe.c | diff 30228c40 Wed May 11 06:50:53 MDT 2016 James Hogan <jhogan@kernel.org> MIPS: Add perf counter feature 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> |
/linux-master/arch/mips/include/asm/ | ||
H A D | cpu.h | diff 30228c40 Wed May 11 06:50:53 MDT 2016 James Hogan <jhogan@kernel.org> MIPS: Add perf counter feature 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> |
H A D | cpu-features.h | diff 30228c40 Wed May 11 06:50:53 MDT 2016 James Hogan <jhogan@kernel.org> MIPS: Add perf counter feature 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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