diff options
| author | Helge Deller <deller@gmx.de> | 2013-05-06 19:20:26 +0000 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2013-05-07 22:39:22 +0200 |
| commit | cd85d5514d5c4d7e78abac923fc032457d0c5091 (patch) | |
| tree | b8a9ce478be624481fa8ec7341dd0ab96e7fb7ca /arch/parisc/include/asm/hardirq.h | |
| parent | 200c880420a2c02a0899120ce52d801fad705b90 (diff) | |
| download | linux-cd85d5514d5c4d7e78abac923fc032457d0c5091.tar.gz linux-cd85d5514d5c4d7e78abac923fc032457d0c5091.tar.bz2 linux-cd85d5514d5c4d7e78abac923fc032457d0c5091.zip | |
parisc: more irq statistics in /proc/interrupts
Add framework and initial values for more fine grained statistics in
/proc/interrupts.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include/asm/hardirq.h')
| -rw-r--r-- | arch/parisc/include/asm/hardirq.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 0d68184a76cb..a9c0fb195253 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -1,11 +1,45 @@ /* hardirq.h: PA-RISC hard IRQ support. * * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx> + * Copyright (C) 2013 Helge Deller <deller@gmx.de> */ #ifndef _PARISC_HARDIRQ_H #define _PARISC_HARDIRQ_H -#include <asm-generic/hardirq.h> +#include <linux/cache.h> +#include <linux/threads.h> +#include <linux/irq.h> + +typedef struct { + unsigned int __softirq_pending; +#ifdef CONFIG_DEBUG_STACKOVERFLOW + unsigned int kernel_stack_usage; +#endif +#ifdef CONFIG_SMP + unsigned int irq_resched_count; + unsigned int irq_call_count; + /* + * irq_tlb_count is double-counted in irq_call_count, so it must be + * subtracted from irq_call_count when displaying irq_call_count + */ + unsigned int irq_tlb_count; +#endif +} ____cacheline_aligned irq_cpustat_t; + +DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); + +#define __ARCH_IRQ_STAT +#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) +#define inc_irq_stat(member) this_cpu_inc(irq_stat.member) +#define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) + +#define __ARCH_SET_SOFTIRQ_PENDING + +#define set_softirq_pending(x) \ + this_cpu_write(irq_stat.__softirq_pending, (x)) +#define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) + +#define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq) #endif /* _PARISC_HARDIRQ_H */ |