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sparc64: Add global PMU register dumping via sysrq.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2012-10-16 09:34:01 -07:00
parent 08280e6c4c
commit 916ca14aaf
7 changed files with 189 additions and 23 deletions
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13
arch/sparc/include/asm/ptrace.h
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@@ -42,7 +42,18 @@ struct global_reg_snapshot {
struct thread_info *thread;
unsigned long pad1;
};
extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
struct global_pmu_snapshot {
unsigned long pcr[4];
unsigned long pic[4];
};
union global_cpu_snapshot {
struct global_reg_snapshot reg;
struct global_pmu_snapshot pmu;
};
extern union global_cpu_snapshot global_cpu_snapshot[NR_CPUS];
#define force_successful_syscall_return() \
do { current_thread_info()->syscall_noerror = 1; \

2
arch/sparc/include/asm/smp_64.h
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@@ -48,6 +48,7 @@ extern void smp_fill_in_sib_core_maps(void);
extern void cpu_play_dead(void);
extern void smp_fetch_global_regs(void);
extern void smp_fetch_global_pmu(void);
struct seq_file;
void smp_bogo(struct seq_file *);
@@ -65,6 +66,7 @@ extern void __cpu_die(unsigned int cpu);
#define hard_smp_processor_id() 0
#define smp_fill_in_sib_core_maps() do { } while (0)
#define smp_fetch_global_regs() do { } while (0)
#define smp_fetch_global_pmu() do { } while (0)
#endif /* !(CONFIG_SMP) */