From a0d0faa0e1b12afd048ede91faa5a4f3eeece18a Mon Sep 17 00:00:00 2001 From: Michael Wang Date: Mon, 8 Oct 2012 16:59:19 +0800 Subject: [PATCH] --- yaml --- r: 338831 b: refs/heads/master c: a608d84bdb832a86ad3fdb0767df31fcda9fe280 h: refs/heads/master i: 338829: ca1b1eb28e914ddb09e9136132d0ae89dbbd2a1c 338827: e6aa05b26db8849e7057c0b80e1720ed6a419e0a 338823: acf85a90e6da85e5bb8b2a1ea4bf5dd624203dda 338815: 8e200f41beba72b94dda7f415a30b23d1abf5ed5 v: v3 --- [refs] | 2 +- trunk/kernel/rcutree_trace.c | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 3558382a2bf6..cf9d43b8bd33 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 66b38bc52bd1e0d00987e23bf7153c46201ff2ba +refs/heads/master: a608d84bdb832a86ad3fdb0767df31fcda9fe280 diff --git a/trunk/kernel/rcutree_trace.c b/trunk/kernel/rcutree_trace.c index c90d2a917def..107997ecdeeb 100644 --- a/trunk/kernel/rcutree_trace.c +++ b/trunk/kernel/rcutree_trace.c @@ -316,6 +316,26 @@ static const struct file_operations rcuhier_fops = { .release = single_release, }; +static int new_show_rcuhier(struct seq_file *m, void *v) +{ + struct rcu_state *rsp = (struct rcu_state *)m->private; + print_one_rcu_state(m, rsp); + return 0; +} + +static int new_rcuhier_open(struct inode *inode, struct file *file) +{ + return single_open(file, new_show_rcuhier, inode->i_private); +} + +static const struct file_operations new_rcuhier_fops = { + .owner = THIS_MODULE, + .open = new_rcuhier_open, + .read = seq_read, + .llseek = no_llseek, + .release = seq_release, +}; + static void show_one_rcugp(struct seq_file *m, struct rcu_state *rsp) { unsigned long flags; @@ -494,6 +514,10 @@ static int __init rcutree_trace_init(void) if (!retval) goto free_out; + retval = debugfs_create_file("rcuhier", 0444, + rspdir, rsp, &new_rcuhier_fops); + if (!retval) + goto free_out; } retval = debugfs_create_file("rcubarrier", 0444, rcudir,