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SubjectRe: [PATCH v6 2/2] Output stall data in debugfs
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On Wed, 2011-08-10 at 11:02 -0700, Alex Neronskiy wrote:

> +static unsigned long softstall_trace_entries[STALL_MAX_TRACE_DEPTH * 2];
> +static struct stack_trace softstall_traces[2];
> +static spinlock_t softstall_locks[2];
> +static DEFINE_SPINLOCK(softstall_read_lock);
> +static DEFINE_SPINLOCK(softstall_write_lock);
> +static int soft_read_ind;
>
> static DEFINE_PER_CPU(unsigned long, watchdog_touch_ts);
> static DEFINE_PER_CPU(struct task_struct *, softlockup_watchdog);
> @@ -46,7 +67,12 @@ static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts_missed);
> static DEFINE_PER_CPU(struct perf_event *, watchdog_ev);
>
> unsigned long worst_hardstall;
> +static unsigned long hardstall_trace_entries[STALL_MAX_TRACE_DEPTH * 2];
> +static struct stack_trace hardstall_traces[2];
> +static spinlock_t hardstall_locks[2];
> +static DEFINE_SPINLOCK(hardstall_read_lock);
> +static DEFINE_SPINLOCK(hardstall_write_lock);
> +static int hard_read_ind;

You really gotta love typing, but the rest of us know to use structures
for this.


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