From: Michael Wang <[email protected]> This patch add new 'rcuboost' to each flavor's folder, now we could use: 'cat /debugfs/rcu/rsp/rcuboost' to get the selected rsp info.
Signed-off-by: Michael Wang <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcutree_trace.c | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletions(-) diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index 8b03bfb..b6fd147 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -239,7 +239,7 @@ static const struct file_operations rcu_node_boost_fops = { .owner = THIS_MODULE, .open = rcu_node_boost_open, .read = seq_read, - .llseek = seq_lseek, + .llseek = no_llseek, .release = single_release, }; @@ -456,6 +456,15 @@ static int __init rcutree_trace_init(void) rspdir, rsp, &new_rcubarrier_fops); if (!retval) goto free_out; + +#ifdef CONFIG_RCU_BOOST + if (rsp == &rcu_preempt_state) { + retval = debugfs_create_file("rcuboost", 0444, + rspdir, NULL, &rcu_node_boost_fops); + if (!retval) + goto free_out; + } +#endif } retval = debugfs_create_file("rcubarrier", 0444, rcudir, -- 1.7.8 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
