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| author | Michael Wang <wangyun@linux.vnet.ibm.com> | 2012-10-08 16:59:18 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-11-08 11:55:44 -0800 |
| commit | 66b38bc52bd1e0d00987e23bf7153c46201ff2ba (patch) | |
| tree | fee60603c5bd33951bd69b9b81ff593caaf63a49 /kernel/rcutree_trace.c | |
| parent | 29c67764f121a0980eb30d0314821ea631e6cfaf (diff) | |
| download | linux-66b38bc52bd1e0d00987e23bf7153c46201ff2ba.tar.bz2 | |
rcu: split 'rcugp' to each flavor
This patch add new 'rcugp' to each flavor's folder, now we could use:
'cat /debugfs/rcu/rsp/rcugp'
to get the selected rsp info.
Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree_trace.c')
| -rw-r--r-- | kernel/rcutree_trace.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index cae417de4b94..c90d2a917def 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -360,6 +360,26 @@ static const struct file_operations rcugp_fops = { .release = single_release, }; +static int new_show_rcugp(struct seq_file *m, void *v) +{ + struct rcu_state *rsp = (struct rcu_state *)m->private; + show_one_rcugp(m, rsp); + return 0; +} + +static int new_rcugp_open(struct inode *inode, struct file *file) +{ + return single_open(file, new_show_rcugp, inode->i_private); +} + +static const struct file_operations new_rcugp_fops = { + .owner = THIS_MODULE, + .open = new_rcugp_open, + .read = seq_read, + .llseek = no_llseek, + .release = seq_release, +}; + static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp) { if (!rdp->beenonline) @@ -468,6 +488,12 @@ static int __init rcutree_trace_init(void) goto free_out; } #endif + + retval = debugfs_create_file("rcugp", 0444, + rspdir, rsp, &new_rcugp_fops); + if (!retval) + goto free_out; + } retval = debugfs_create_file("rcubarrier", 0444, rcudir, |