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openSUSE:12.1
xen
xen-unstable.xentrace.verbose.patch
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File xen-unstable.xentrace.verbose.patch of Package xen
xentrace: print calculated numbers in calculate_tbuf_size() (xen-unstable changeset 23092:45dafa422812) Print number of pages to allocate for per-cpu tracebuffer and metadata to ease debugging when allocation fails. Signed-off-by: Olaf Hering <olaf@aepfle.de> --- xen/common/trace.c | 2 ++ 1 file changed, 2 insertions(+) Index: xen-4.1.2-testing/xen/common/trace.c =================================================================== --- xen-4.1.2-testing.orig/xen/common/trace.c +++ xen-4.1.2-testing/xen/common/trace.c @@ -128,6 +128,8 @@ static int calculate_tbuf_size(unsigned t_info_words = num_online_cpus() * pages + t_info_first_offset; t_info_bytes = t_info_words * sizeof(uint32_t); t_info_pages = PFN_UP(t_info_bytes); + printk(XENLOG_INFO "xentrace: requesting %u t_info pages for %u trace pages on %u cpus\n", + t_info_pages, pages, num_online_cpus()); return pages; }
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