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Diffstat (limited to 'arch/powerpc/include/asm/perf_event.h')
| -rw-r--r-- | arch/powerpc/include/asm/perf_event.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h new file mode 100644 index 00000000..5c16b891 --- /dev/null +++ b/arch/powerpc/include/asm/perf_event.h @@ -0,0 +1,35 @@ +/* + * Performance event support - hardware-specific disambiguation + * + * For now this is a compile-time decision, but eventually it should be + * runtime. This would allow multiplatform perf event support for e300 (fsl + * embedded perf counters) plus server/classic, and would accommodate + * devices other than the core which provide their own performance counters. + * + * Copyright 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifdef CONFIG_PPC_PERF_CTRS +#include <asm/perf_event_server.h> +#endif + +#ifdef CONFIG_FSL_EMB_PERF_EVENT +#include <asm/perf_event_fsl_emb.h> +#endif + +#ifdef CONFIG_PERF_EVENTS +#include <asm/ptrace.h> +#include <asm/reg.h> + +#define perf_arch_fetch_caller_regs(regs, __ip) \ + do { \ + (regs)->nip = __ip; \ + (regs)->gpr[1] = *(unsigned long *)__get_SP(); \ + asm volatile("mfmsr %0" : "=r" ((regs)->msr)); \ + } while (0) +#endif |