{
}
-static int show_rcubarrier(struct seq_file *m, void *unused)
+static int show_rcubarrier(struct seq_file *m, void *v)
{
- struct rcu_state *rsp;
-
- for_each_rcu_flavor(rsp)
- seq_printf(m, "%s: bcc: %d nbd: %lu\n",
- rsp->name,
- atomic_read(&rsp->barrier_cpu_count),
- rsp->n_barrier_done);
+ struct rcu_state *rsp = (struct rcu_state *)m->private;
+ seq_printf(m, "bcc: %d nbd: %lu\n",
+ atomic_read(&rsp->barrier_cpu_count),
+ rsp->n_barrier_done);
return 0;
}
static int rcubarrier_open(struct inode *inode, struct file *file)
{
- return single_open(file, show_rcubarrier, NULL);
+ return single_open(file, show_rcubarrier, inode->i_private);
}
static const struct file_operations rcubarrier_fops = {
.owner = THIS_MODULE,
.open = rcubarrier_open,
.read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .llseek = no_llseek,
+ .release = seq_release,
};
#ifdef CONFIG_RCU_BOOST
static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
{
+ long ql, qll;
+
if (!rdp->beenonline)
return;
seq_printf(m, "%3d%cc=%ld g=%ld pq=%d qp=%d",
rdp->dynticks->dynticks_nmi_nesting,
rdp->dynticks_fqs);
seq_printf(m, " of=%lu", rdp->offline_fqs);
+ rcu_nocb_q_lengths(rdp, &ql, &qll);
+ qll += rdp->qlen_lazy;
+ ql += rdp->qlen;
seq_printf(m, " ql=%ld/%ld qs=%c%c%c%c",
- rdp->qlen_lazy, rdp->qlen,
+ qll, ql,
".N"[rdp->nxttail[RCU_NEXT_READY_TAIL] !=
rdp->nxttail[RCU_NEXT_TAIL]],
".R"[rdp->nxttail[RCU_WAIT_TAIL] !=
per_cpu(rcu_cpu_kthread_loops, rdp->cpu) & 0xffff);
#endif /* #ifdef CONFIG_RCU_BOOST */
seq_printf(m, " b=%ld", rdp->blimit);
- seq_printf(m, " ci=%lu co=%lu ca=%lu\n",
- rdp->n_cbs_invoked, rdp->n_cbs_orphaned, rdp->n_cbs_adopted);
+ seq_printf(m, " ci=%lu nci=%lu co=%lu ca=%lu\n",
+ rdp->n_cbs_invoked, rdp->n_nocbs_invoked,
+ rdp->n_cbs_orphaned, rdp->n_cbs_adopted);
}
static int show_rcudata(struct seq_file *m, void *v)
.release = seq_release,
};
+static int show_rcuexp(struct seq_file *m, void *v)
+{
+ struct rcu_state *rsp = (struct rcu_state *)m->private;
+
+ seq_printf(m, "s=%lu d=%lu w=%lu tf=%lu wd1=%lu wd2=%lu n=%lu sc=%lu dt=%lu dl=%lu dx=%lu\n",
+ atomic_long_read(&rsp->expedited_start),
+ atomic_long_read(&rsp->expedited_done),
+ atomic_long_read(&rsp->expedited_wrap),
+ atomic_long_read(&rsp->expedited_tryfail),
+ atomic_long_read(&rsp->expedited_workdone1),
+ atomic_long_read(&rsp->expedited_workdone2),
+ atomic_long_read(&rsp->expedited_normal),
+ atomic_long_read(&rsp->expedited_stoppedcpus),
+ atomic_long_read(&rsp->expedited_done_tries),
+ atomic_long_read(&rsp->expedited_done_lost),
+ atomic_long_read(&rsp->expedited_done_exit));
+ return 0;
+}
+
+static int rcuexp_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, show_rcuexp, inode->i_private);
+}
+
+static const struct file_operations rcuexp_fops = {
+ .owner = THIS_MODULE,
+ .open = rcuexp_open,
+ .read = seq_read,
+ .llseek = no_llseek,
+ .release = seq_release,
+};
+
#ifdef CONFIG_RCU_BOOST
static void print_one_rcu_node_boost(struct seq_file *m, struct rcu_node *rnp)
.owner = THIS_MODULE,
.open = rcu_node_boost_open,
.read = seq_read,
- .llseek = seq_lseek,
+ .llseek = no_llseek,
.release = single_release,
};
-/*
- * Create the rcuboost debugfs entry. Standard error return.
- */
-static int rcu_boost_trace_create_file(struct dentry *rcudir)
-{
- return !debugfs_create_file("rcuboost", 0444, rcudir, NULL,
- &rcu_node_boost_fops);
-}
-
-#else /* #ifdef CONFIG_RCU_BOOST */
-
-static int rcu_boost_trace_create_file(struct dentry *rcudir)
-{
- return 0; /* There cannot be an error if we didn't create it! */
-}
-
-#endif /* #else #ifdef CONFIG_RCU_BOOST */
+#endif /* #ifdef CONFIG_RCU_BOOST */
static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp)
{
struct rcu_node *rnp;
gpnum = rsp->gpnum;
- seq_printf(m, "%s: c=%ld g=%ld s=%d jfq=%ld j=%x ",
- rsp->name, ulong2long(rsp->completed), ulong2long(gpnum),
+ seq_printf(m, "c=%ld g=%ld s=%d jfq=%ld j=%x ",
+ ulong2long(rsp->completed), ulong2long(gpnum),
rsp->fqs_state,
(long)(rsp->jiffies_force_qs - jiffies),
(int)(jiffies & 0xffff));
seq_puts(m, "\n");
}
-static int show_rcuhier(struct seq_file *m, void *unused)
+static int show_rcuhier(struct seq_file *m, void *v)
{
- struct rcu_state *rsp;
-
- for_each_rcu_flavor(rsp)
- print_one_rcu_state(m, rsp);
+ struct rcu_state *rsp = (struct rcu_state *)m->private;
+ print_one_rcu_state(m, rsp);
return 0;
}
static int rcuhier_open(struct inode *inode, struct file *file)
{
- return single_open(file, show_rcuhier, NULL);
+ return single_open(file, show_rcuhier, inode->i_private);
}
static const struct file_operations rcuhier_fops = {
.owner = THIS_MODULE,
.open = rcuhier_open,
.read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .llseek = no_llseek,
+ .release = seq_release,
};
static void show_one_rcugp(struct seq_file *m, struct rcu_state *rsp)
gpage = jiffies - rsp->gp_start;
gpmax = rsp->gp_max;
raw_spin_unlock_irqrestore(&rnp->lock, flags);
- seq_printf(m, "%s: completed=%ld gpnum=%ld age=%ld max=%ld\n",
- rsp->name, ulong2long(completed), ulong2long(gpnum), gpage, gpmax);
+ seq_printf(m, "completed=%ld gpnum=%ld age=%ld max=%ld\n",
+ ulong2long(completed), ulong2long(gpnum), gpage, gpmax);
}
-static int show_rcugp(struct seq_file *m, void *unused)
+static int show_rcugp(struct seq_file *m, void *v)
{
- struct rcu_state *rsp;
-
- for_each_rcu_flavor(rsp)
- show_one_rcugp(m, rsp);
+ struct rcu_state *rsp = (struct rcu_state *)m->private;
+ show_one_rcugp(m, rsp);
return 0;
}
static int rcugp_open(struct inode *inode, struct file *file)
{
- return single_open(file, show_rcugp, NULL);
+ return single_open(file, show_rcugp, inode->i_private);
}
static const struct file_operations rcugp_fops = {
.owner = THIS_MODULE,
.open = rcugp_open,
.read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .llseek = no_llseek,
+ .release = seq_release,
};
static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp)
if (!rspdir)
goto free_out;
- retval = debugfs_create_file("rcudata", 0444,
- rspdir, rsp, &rcudata_fops);
- if (!retval)
- goto free_out;
+ retval = debugfs_create_file("rcudata", 0444,
+ rspdir, rsp, &rcudata_fops);
+ if (!retval)
+ goto free_out;
- retval = debugfs_create_file("rcu_pending", 0444,
- rspdir, rsp, &rcu_pending_fops);
- if (!retval)
- goto free_out;
- }
+ retval = debugfs_create_file("rcuexp", 0444,
+ rspdir, rsp, &rcuexp_fops);
+ if (!retval)
+ goto free_out;
- retval = debugfs_create_file("rcubarrier", 0444, rcudir,
- NULL, &rcubarrier_fops);
- if (!retval)
- goto free_out;
+ retval = debugfs_create_file("rcu_pending", 0444,
+ rspdir, rsp, &rcu_pending_fops);
+ if (!retval)
+ goto free_out;
- if (rcu_boost_trace_create_file(rcudir))
- goto free_out;
+ retval = debugfs_create_file("rcubarrier", 0444,
+ rspdir, rsp, &rcubarrier_fops);
+ if (!retval)
+ goto free_out;
- retval = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
- if (!retval)
- goto free_out;
+#ifdef CONFIG_RCU_BOOST
+ if (rsp == &rcu_preempt_state) {
+ retval = debugfs_create_file("rcuboost", 0444,
+ rspdir, NULL, &rcu_node_boost_fops);
+ if (!retval)
+ goto free_out;
+ }
+#endif
- retval = debugfs_create_file("rcuhier", 0444, rcudir,
- NULL, &rcuhier_fops);
- if (!retval)
- goto free_out;
+ retval = debugfs_create_file("rcugp", 0444,
+ rspdir, rsp, &rcugp_fops);
+ if (!retval)
+ goto free_out;
+
+ retval = debugfs_create_file("rcuhier", 0444,
+ rspdir, rsp, &rcuhier_fops);
+ if (!retval)
+ goto free_out;
+ }
retval = debugfs_create_file("rcutorture", 0444, rcudir,
NULL, &rcutorture_fops);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff