[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 2 of 5] xentrace: print calculated numbers in calculate_tbuf_size()
# HG changeset patch # User Olaf Hering <olaf@xxxxxxxxx> # Date 1300813690 -3600 # Node ID d61854ab2758f691818678c2d03e18e0e165802a # Parent 08df96398bff82a8924a37eda6ddffd1ada3f407 xentrace: print calculated numbers in calculate_tbuf_size() Print number of pages to allocate for per-cpu tracebuffer and metadata to ease debugging when allocation fails. Signed-off-by: Olaf Hering <olaf@xxxxxxxxx> diff -r 08df96398bff -r d61854ab2758 xen/common/trace.c --- a/xen/common/trace.c Tue Mar 22 18:08:05 2011 +0100 +++ b/xen/common/trace.c Tue Mar 22 18:08:10 2011 +0100 @@ -127,6 +127,8 @@ t_info_pages /= PAGE_SIZE; if ( t_info_pages % PAGE_SIZE || t_info_pages == 0 ) t_info_pages++; + printk(XENLOG_INFO "Xen trace buffers: requesting %u t_info pages for %u trace pages on %u cpus\n", + t_info_pages, pages, num_online_cpus()); return pages; } _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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