rcu: split 'rcubarrier' to each flavor
This patch add new 'rcubarrier' to each flavor's folder, now we could use: 'cat /debugfs/rcu/rsp/rcubarrier' 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>
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@ -103,6 +103,28 @@ static const struct file_operations rcubarrier_fops = {
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.release = single_release,
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.release = single_release,
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};
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};
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static int new_show_rcubarrier(struct seq_file *m, void *v)
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{
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struct rcu_state *rsp = (struct rcu_state *)m->private;
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seq_printf(m, "bcc: %d nbd: %lu\n",
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atomic_read(&rsp->barrier_cpu_count),
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rsp->n_barrier_done);
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return 0;
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}
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static int new_rcubarrier_open(struct inode *inode, struct file *file)
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{
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return single_open(file, new_show_rcubarrier, inode->i_private);
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}
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static const struct file_operations new_rcubarrier_fops = {
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.owner = THIS_MODULE,
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.open = new_rcubarrier_open,
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.read = seq_read,
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.llseek = no_llseek,
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.release = seq_release,
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};
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#ifdef CONFIG_RCU_BOOST
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#ifdef CONFIG_RCU_BOOST
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static char convert_kthread_status(unsigned int kthread_status)
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static char convert_kthread_status(unsigned int kthread_status)
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@ -432,6 +454,11 @@ static int __init rcutree_trace_init(void)
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rspdir, rsp, &rcu_pending_fops);
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rspdir, rsp, &rcu_pending_fops);
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if (!retval)
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if (!retval)
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goto free_out;
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goto free_out;
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retval = debugfs_create_file("rcubarrier", 0444,
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rspdir, rsp, &new_rcubarrier_fops);
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if (!retval)
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goto free_out;
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}
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}
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retval = debugfs_create_file("rcubarrier", 0444, rcudir,
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retval = debugfs_create_file("rcubarrier", 0444, rcudir,
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