new_perf_irq       15 arch/powerpc/include/asm/pmc.h int reserve_pmc_hardware(perf_irq_t new_perf_irq);
new_perf_irq       41 arch/powerpc/kernel/pmc.c int reserve_pmc_hardware(perf_irq_t new_perf_irq)
new_perf_irq       56 arch/powerpc/kernel/pmc.c 	perf_irq = new_perf_irq ? new_perf_irq : dummy_perf;