Date: Thu, 5 Jun 2003 18:55:33 +0800 From: "Michael Shiu" <mshiu@net-yan.com> To: <freebsd-net@freebsd.org> Subject: Does Netgraph in FBSD 5.x SMP requires GIANT lock? Message-ID: <012701c32b51$20068770$650019ac@athena>
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Dear all, Just like to know if the netgraph code running 5.x SMP kernel requires the GIANT lock? I have the netgraph doing bridging right now but the performance is limited by the CPU (right now, it is something around 100k pkt/s in 4-STABLE). Does adding another CPU together with upgrading to 5.x be of any help? I guess the bottleneck right now is only one thread is executing in interrupt context with GIANT being held. Am I right? _Michael
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