debuggers.hg

changeset 16671:7c98b9177b15

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xentrace: Ensure virq gets sent even if we exactly hit the half water mark.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Dec 19 09:51:35 2007 +0000 (2007-12-19)
parents 2900e4dacaa7
children 0335b9fe2f10
files xen/common/trace.c
line diff
     1.1 --- a/xen/common/trace.c	Mon Dec 17 09:56:12 2007 -0700
     1.2 +++ b/xen/common/trace.c	Wed Dec 19 09:51:35 2007 +0000
     1.3 @@ -485,8 +485,8 @@ void __trace_var(u32 event, int cycles, 
     1.4      local_irq_restore(flags);
     1.5  
     1.6      /* Notify trace buffer consumer that we've crossed the high water mark. */
     1.7 -    if ( started_below_highwater
     1.8 -         && ((buf->prod - buf->cons) > t_buf_highwater) )
     1.9 +    if ( started_below_highwater &&
    1.10 +         ((buf->prod - buf->cons) >= t_buf_highwater) )
    1.11          raise_softirq(TRACE_SOFTIRQ);
    1.12  }
    1.13