diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcutree_trace.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index 0dfe9b512f0f..a11522f62c71 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -174,6 +174,32 @@ static const struct file_operations rcudata_fops = { .release = single_release, }; +static int new_show_rcudata(struct seq_file *m, void *v) +{ + print_one_rcu_data(m, (struct rcu_data *)v); + return 0; +} + +static const struct seq_operations new_rcudate_op = { + .start = r_start, + .next = r_next, + .stop = r_stop, + .show = new_show_rcudata, +}; + +static int new_rcudata_open(struct inode *inode, struct file *file) +{ + return r_open(inode, file, &new_rcudate_op); +} + +static const struct file_operations new_rcudata_fops = { + .owner = THIS_MODULE, + .open = new_rcudata_open, + .read = seq_read, + .llseek = no_llseek, + .release = seq_release, +}; + static void print_one_rcu_data_csv(struct seq_file *m, struct rcu_data *rdp) { if (!rdp->beenonline) @@ -488,6 +514,11 @@ static int __init rcutree_trace_init(void) rspdir = debugfs_create_dir(rsp->name, rcudir); if (!rspdir) goto free_out; + + retval = debugfs_create_file("rcudata", 0444, + rspdir, rsp, &new_rcudata_fops); + if (!retval) + goto free_out; } retval = debugfs_create_file("rcubarrier", 0444, rcudir, |