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| author | Matthew Poremba <matthew.poremba@amd.com> | 2016-12-02 11:40:40 -0500 |
|---|---|---|
| committer | Matthew Poremba <matthew.poremba@amd.com> | 2016-12-02 11:40:40 -0500 |
| commit | 80607a2a1d32a15cabf9110e27855acb40a06f23 (patch) | |
| tree | e4bb882b9f86dc7b25dff6dab45a6dcb47ad9ac0 /src/mem/ruby/network/MessageBuffer.cc | |
| parent | 752033140228c790e51954bd8ccd3728f4dd7e08 (diff) | |
| download | gem5-80607a2a1d32a15cabf9110e27855acb40a06f23.tar.xz | |
ruby: Fix overflow reported by ASAN in MessageBuffer.
In MessageBuffer the m_not_avail_count member is incremented but not used.
This causes an overflow reported by ASAN. This patch changes from an int to
Stats::Scalar, since the count is useful in debugging finite MessageBuffers.
Diffstat (limited to 'src/mem/ruby/network/MessageBuffer.cc')
| -rw-r--r-- | src/mem/ruby/network/MessageBuffer.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mem/ruby/network/MessageBuffer.cc b/src/mem/ruby/network/MessageBuffer.cc index b78e9aad0..557e0e80e 100644 --- a/src/mem/ruby/network/MessageBuffer.cc +++ b/src/mem/ruby/network/MessageBuffer.cc @@ -51,7 +51,6 @@ MessageBuffer::MessageBuffer(const Params *p) m_size_last_time_size_checked = 0; m_size_at_cycle_start = 0; m_msgs_this_cycle = 0; - m_not_avail_count = 0; m_priority_rank = 0; m_stall_msg_map.clear(); @@ -350,6 +349,15 @@ MessageBuffer::isReady(Tick current_time) const (m_prio_heap.front()->getLastEnqueueTime() <= current_time)); } +void +MessageBuffer::regStats() +{ + m_not_avail_count + .name(name() + ".not_avail_count") + .desc("Number of times this buffer did not have N slots available") + .flags(Stats::nozero); +} + uint32_t MessageBuffer::functionalWrite(Packet *pkt) { |