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| author | Andrew Geissler <andrewg@us.ibm.com> | 2011-05-09 14:51:09 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2011-05-16 16:49:41 -0500 |
| commit | 0ec3f482259bdcc1867fb884eb89a4c0c5fc026d (patch) | |
| tree | 23ae2abc22750e836c0c7179958437837f4d8fef /src/usr/trace/tracebuffer.C | |
| parent | 038fb97fb799935574a62821fa3eab7ef8ccc14c (diff) | |
| download | blackbird-hostboot-0ec3f482259bdcc1867fb884eb89a4c0c5fc026d.tar.gz blackbird-hostboot-0ec3f482259bdcc1867fb884eb89a4c0c5fc026d.zip | |
Initial trace support for host boot
Change-Id: Ib2450ae3d32549673ca8e1c814a7a11b5f1a0c09
Reviewed-on: http://gfwr801.rchland.ibm.com:8080/gerrit/69
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/usr/trace/tracebuffer.C')
| -rw-r--r-- | src/usr/trace/tracebuffer.C | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/usr/trace/tracebuffer.C b/src/usr/trace/tracebuffer.C index 5e5b697a1..3a56fde7b 100644 --- a/src/usr/trace/tracebuffer.C +++ b/src/usr/trace/tracebuffer.C @@ -8,6 +8,8 @@ TracePage* TracePage::setNext(TracePage* new_next) traceEntry* TracePage::claimEntry(size_t size) { + // this->size will eventually wrap and it will suddenly look like there + // is free space? size_t position = __sync_fetch_and_add(&this->size, size); if (position > (PAGE_SIZE - sizeof(TracePage))) { |
