* Papers: http://www.rdrop.com/users/paulmck/RCU
*
* For detailed explanation of Read-Copy Update mechanism see -
- * Documentation/RCU
+ * Documentation/RCU
*
*/
#include <linux/types.h>
static int show_rcudata(struct seq_file *m, void *unused)
{
- seq_puts(m, "rcu:\n");
- PRINT_RCU_DATA(rcu_data, print_one_rcu_data, m);
+#ifdef CONFIG_TREE_PREEMPT_RCU
+ seq_puts(m, "rcu_preempt:\n");
+ PRINT_RCU_DATA(rcu_preempt_data, print_one_rcu_data, m);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
+ seq_puts(m, "rcu_sched:\n");
+ PRINT_RCU_DATA(rcu_sched_data, print_one_rcu_data, m);
seq_puts(m, "rcu_bh:\n");
PRINT_RCU_DATA(rcu_bh_data, print_one_rcu_data, m);
return 0;
return single_open(file, show_rcudata, NULL);
}
-static struct file_operations rcudata_fops = {
+static const struct file_operations rcudata_fops = {
.owner = THIS_MODULE,
.open = rcudata_open,
.read = seq_read,
return;
seq_printf(m, "%d,%s,%ld,%ld,%d,%ld,%d",
rdp->cpu,
- cpu_is_offline(rdp->cpu) ? "\"Y\"" : "\"N\"",
+ cpu_is_offline(rdp->cpu) ? "\"N\"" : "\"Y\"",
rdp->completed, rdp->gpnum,
rdp->passed_quiesc, rdp->passed_quiesc_completed,
rdp->qs_pending);
seq_puts(m, "\"dt\",\"dt nesting\",\"dn\",\"df\",");
#endif /* #ifdef CONFIG_NO_HZ */
seq_puts(m, "\"of\",\"ri\",\"ql\",\"b\"\n");
- seq_puts(m, "\"rcu:\"\n");
- PRINT_RCU_DATA(rcu_data, print_one_rcu_data_csv, m);
+#ifdef CONFIG_TREE_PREEMPT_RCU
+ seq_puts(m, "\"rcu_preempt:\"\n");
+ PRINT_RCU_DATA(rcu_preempt_data, print_one_rcu_data_csv, m);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
+ seq_puts(m, "\"rcu_sched:\"\n");
+ PRINT_RCU_DATA(rcu_sched_data, print_one_rcu_data_csv, m);
seq_puts(m, "\"rcu_bh:\"\n");
PRINT_RCU_DATA(rcu_bh_data, print_one_rcu_data_csv, m);
return 0;
return single_open(file, show_rcudata_csv, NULL);
}
-static struct file_operations rcudata_csv_fops = {
+static const struct file_operations rcudata_csv_fops = {
.owner = THIS_MODULE,
.open = rcudata_csv_open,
.read = seq_read,
struct rcu_node *rnp;
seq_printf(m, "c=%ld g=%ld s=%d jfq=%ld j=%x "
- "nfqs=%lu/nfqsng=%lu(%lu) fqlh=%lu\n",
+ "nfqs=%lu/nfqsng=%lu(%lu) fqlh=%lu oqlen=%ld\n",
rsp->completed, rsp->gpnum, rsp->signaled,
(long)(rsp->jiffies_force_qs - jiffies),
(int)(jiffies & 0xffff),
rsp->n_force_qs, rsp->n_force_qs_ngp,
rsp->n_force_qs - rsp->n_force_qs_ngp,
- rsp->n_force_qs_lh);
+ rsp->n_force_qs_lh, rsp->orphan_qlen);
for (rnp = &rsp->node[0]; rnp - &rsp->node[0] < NUM_RCU_NODES; rnp++) {
if (rnp->level != level) {
seq_puts(m, "\n");
static int show_rcuhier(struct seq_file *m, void *unused)
{
- seq_puts(m, "rcu:\n");
- print_one_rcu_state(m, &rcu_state);
+#ifdef CONFIG_TREE_PREEMPT_RCU
+ seq_puts(m, "rcu_preempt:\n");
+ print_one_rcu_state(m, &rcu_preempt_state);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
+ seq_puts(m, "rcu_sched:\n");
+ print_one_rcu_state(m, &rcu_sched_state);
seq_puts(m, "rcu_bh:\n");
print_one_rcu_state(m, &rcu_bh_state);
return 0;
return single_open(file, show_rcuhier, NULL);
}
-static struct file_operations rcuhier_fops = {
+static const struct file_operations rcuhier_fops = {
.owner = THIS_MODULE,
.open = rcuhier_open,
.read = seq_read,
static int show_rcugp(struct seq_file *m, void *unused)
{
- seq_printf(m, "rcu: completed=%ld gpnum=%ld\n",
- rcu_state.completed, rcu_state.gpnum);
+#ifdef CONFIG_TREE_PREEMPT_RCU
+ seq_printf(m, "rcu_preempt: completed=%ld gpnum=%ld\n",
+ rcu_preempt_state.completed, rcu_preempt_state.gpnum);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
+ seq_printf(m, "rcu_sched: completed=%ld gpnum=%ld\n",
+ rcu_sched_state.completed, rcu_sched_state.gpnum);
seq_printf(m, "rcu_bh: completed=%ld gpnum=%ld\n",
rcu_bh_state.completed, rcu_bh_state.gpnum);
return 0;
return single_open(file, show_rcugp, NULL);
}
-static struct file_operations rcugp_fops = {
+static const struct file_operations rcugp_fops = {
.owner = THIS_MODULE,
.open = rcugp_open,
.read = seq_read,
static int show_rcu_pending(struct seq_file *m, void *unused)
{
- seq_puts(m, "rcu:\n");
- print_rcu_pendings(m, &rcu_state);
+#ifdef CONFIG_TREE_PREEMPT_RCU
+ seq_puts(m, "rcu_preempt:\n");
+ print_rcu_pendings(m, &rcu_preempt_state);
+#endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
+ seq_puts(m, "rcu_sched:\n");
+ print_rcu_pendings(m, &rcu_sched_state);
seq_puts(m, "rcu_bh:\n");
print_rcu_pendings(m, &rcu_bh_state);
return 0;
return single_open(file, show_rcu_pending, NULL);
}
-static struct file_operations rcu_pending_fops = {
+static const struct file_operations rcu_pending_fops = {
.owner = THIS_MODULE,
.open = rcu_pending_open,
.read = seq_read,
};
static struct dentry *rcudir;
-static struct dentry *datadir;
-static struct dentry *datadir_csv;
-static struct dentry *gpdir;
-static struct dentry *hierdir;
-static struct dentry *rcu_pendingdir;
static int __init rcuclassic_trace_init(void)
{
+ struct dentry *retval;
+
rcudir = debugfs_create_dir("rcu", NULL);
if (!rcudir)
- goto out;
+ goto free_out;
- datadir = debugfs_create_file("rcudata", 0444, rcudir,
+ retval = debugfs_create_file("rcudata", 0444, rcudir,
NULL, &rcudata_fops);
- if (!datadir)
+ if (!retval)
goto free_out;
- datadir_csv = debugfs_create_file("rcudata.csv", 0444, rcudir,
+ retval = debugfs_create_file("rcudata.csv", 0444, rcudir,
NULL, &rcudata_csv_fops);
- if (!datadir_csv)
+ if (!retval)
goto free_out;
- gpdir = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
- if (!gpdir)
+ retval = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
+ if (!retval)
goto free_out;
- hierdir = debugfs_create_file("rcuhier", 0444, rcudir,
+ retval = debugfs_create_file("rcuhier", 0444, rcudir,
NULL, &rcuhier_fops);
- if (!hierdir)
+ if (!retval)
goto free_out;
- rcu_pendingdir = debugfs_create_file("rcu_pending", 0444, rcudir,
+ retval = debugfs_create_file("rcu_pending", 0444, rcudir,
NULL, &rcu_pending_fops);
- if (!rcu_pendingdir)
+ if (!retval)
goto free_out;
return 0;
free_out:
- if (datadir)
- debugfs_remove(datadir);
- if (datadir_csv)
- debugfs_remove(datadir_csv);
- if (gpdir)
- debugfs_remove(gpdir);
- debugfs_remove(rcudir);
-out:
+ debugfs_remove_recursive(rcudir);
return 1;
}
static void __exit rcuclassic_trace_cleanup(void)
{
- debugfs_remove(datadir);
- debugfs_remove(datadir_csv);
- debugfs_remove(gpdir);
- debugfs_remove(hierdir);
- debugfs_remove(rcu_pendingdir);
- debugfs_remove(rcudir);
+ debugfs_remove_recursive(rcudir);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff