From 976f6b6a6fae081d1d72d06457d64af87db789ef Mon Sep 17 00:00:00 2001 From: David Smith Date: Thu, 12 Mar 2009 12:57:31 -0500 Subject: Updated buffer size. 2009-03-12 David Smith * transport/ring_buffer.c (__stp_alloc_ring_buffer): Updated buffer size. --- runtime/transport/ring_buffer.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'runtime/transport/ring_buffer.c') diff --git a/runtime/transport/ring_buffer.c b/runtime/transport/ring_buffer.c index 4295a37b..51e9efa2 100644 --- a/runtime/transport/ring_buffer.c +++ b/runtime/transport/ring_buffer.c @@ -54,8 +54,12 @@ static int __stp_alloc_ring_buffer(void) if (buffer_size == 0) { dbug_trans(1, "using default buffer size...\n"); - buffer_size = STP_BUFFER_SIZE * 30; + buffer_size = _stp_nsubbufs * _stp_subbuf_size; } + /* The number passed to ring_buffer_alloc() is per cpu. Our + * 'buffer_size' is a total number of bytes to allocate. So, + * we need to divide buffer_size by the number of cpus. */ + buffer_size /= num_online_cpus(); dbug_trans(1, "%lu\n", buffer_size); __stp_ring_buffer = ring_buffer_alloc(buffer_size, 0); if (!__stp_ring_buffer) -- cgit