arch/s390/include/asm/perf_event.h

   1 /*
   2  * Performance event support - s390 specific definitions.
   3  *
   4  * Copyright IBM Corp. 2009, 2012
   5  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
   6  *            Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
   7  */
   8
   9 #include <asm/cpu_mf.h>
  10
  11 /* CPU-measurement counter facility */
  12 #define PERF_CPUM_CF_MAX_CTR            256
  13
  14 /* Per-CPU flags for PMU states */
  15 #define PMU_F_RESERVED                  0x1000
  16 #define PMU_F_ENABLED                   0x2000
  17
  18 #ifdef CONFIG_64BIT
  19
  20 /* Perf callbacks */
  21 struct pt_regs;
  22 extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
  23 extern unsigned long perf_misc_flags(struct pt_regs *regs);
  24 #define perf_misc_flags(regs) perf_misc_flags(regs)
  25
  26 #endif /* CONFIG_64BIT */