Blame view

kernel/linux-rt-4.4.41/arch/powerpc/include/asm/pmc.h 1.35 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
  /*
   * pmc.h
   * Copyright (C) 2004  David Gibson, IBM Corporation
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   */
  #ifndef _POWERPC_PMC_H
  #define _POWERPC_PMC_H
  #ifdef __KERNEL__
  
  #include <asm/ptrace.h>
  
  typedef void (*perf_irq_t)(struct pt_regs *);
  extern perf_irq_t perf_irq;
  
  int reserve_pmc_hardware(perf_irq_t new_perf_irq);
  void release_pmc_hardware(void);
  void ppc_enable_pmcs(void);
  
  #ifdef CONFIG_PPC_BOOK3S_64
  #include <asm/lppaca.h>
  
  static inline void ppc_set_pmu_inuse(int inuse)
  {
  	get_lppaca()->pmcregs_in_use = inuse;
  }
  
  extern void power4_enable_pmcs(void);
  
  #else /* CONFIG_PPC64 */
  
  static inline void ppc_set_pmu_inuse(int inuse) { }
  
  #endif
  
  #endif /* __KERNEL__ */
  #endif /* _POWERPC_PMC_H */