rcu: Optimize the 'rcudata' for RCU trace
authorMichael Wang <wangyun@linux.vnet.ibm.com>
Thu, 20 Sep 2012 00:51:04 +0000 (08:51 +0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 8 Nov 2012 19:50:16 +0000 (11:50 -0800)
commit878eda72e24d11e463a25b1dc7097a8d953f17cb
treec1e3196ade3e7d4aa02dbaacdd102d820439571b
parent374b928ee8061fdbb0b527fb3924080ba2437767
rcu: Optimize the 'rcudata' for RCU trace

This patch implements the new 'rcudata' interface under each rsp
directory, by using the 'CPU units sequence reading', thus avoiding loss
of tracing data.

Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcutree_trace.c