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rcu: Remove the interface "rcudata.csv"

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This patch removes the interface "rcudata.csv" since it is apparently
not used.

Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Michael Wang 2012-09-20 08:51:08 +08:00 • committed by Paul E. McKenney
parent c011c41f11
commit 5f4ee1fa16
1 changed files with 0 additions and 76 deletions
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76
kernel/rcutree_trace.c
View file

@ -174,77 +174,6 @@ static const struct file_operations rcudata_fops = {
.release = seq_release, .release = seq_release,
}; };
static void print_one_rcu_data_csv(struct seq_file *m, struct rcu_data *rdp)
{
if (!rdp->beenonline)
return;
seq_printf(m, "%d,%s,%lu,%lu,%d,%d",
rdp->cpu,
cpu_is_offline(rdp->cpu) ? "\"N\"" : "\"Y\"",
rdp->completed, rdp->gpnum,
rdp->passed_quiesce, rdp->qs_pending);
seq_printf(m, ",%d,%llx,%d,%lu",
atomic_read(&rdp->dynticks->dynticks),
rdp->dynticks->dynticks_nesting,
rdp->dynticks->dynticks_nmi_nesting,
rdp->dynticks_fqs);
seq_printf(m, ",%lu", rdp->offline_fqs);
seq_printf(m, ",%ld,%ld,\"%c%c%c%c\"", rdp->qlen_lazy, rdp->qlen,
".N"[rdp->nxttail[RCU_NEXT_READY_TAIL] !=
rdp->nxttail[RCU_NEXT_TAIL]],
".R"[rdp->nxttail[RCU_WAIT_TAIL] !=
rdp->nxttail[RCU_NEXT_READY_TAIL]],
".W"[rdp->nxttail[RCU_DONE_TAIL] !=
rdp->nxttail[RCU_WAIT_TAIL]],
".D"[&rdp->nxtlist != rdp->nxttail[RCU_DONE_TAIL]]);
#ifdef CONFIG_RCU_BOOST
seq_printf(m, ",%d,\"%c\"",
per_cpu(rcu_cpu_has_work, rdp->cpu),
convert_kthread_status(per_cpu(rcu_cpu_kthread_status,
rdp->cpu)));
#endif /* #ifdef CONFIG_RCU_BOOST */
seq_printf(m, ",%ld", rdp->blimit);
seq_printf(m, ",%lu,%lu,%lu\n",
rdp->n_cbs_invoked, rdp->n_cbs_orphaned, rdp->n_cbs_adopted);
}
static int show_rcudata_csv(struct seq_file *m, void *v)
{
struct rcu_data *rdp = (struct rcu_data *)v;
if (cpumask_first(cpu_possible_mask) == rdp->cpu) {
seq_puts(m, "\"CPU\",\"Online?\",\"c\",\"g\",\"pq\",\"pq\",");
seq_puts(m, "\"dt\",\"dt nesting\",\"dt NMI nesting\",\"df\",");
seq_puts(m, "\"of\",\"qll\",\"ql\",\"qs\"");
#ifdef CONFIG_RCU_BOOST
seq_puts(m, "\"kt\",\"ktl\"");
#endif /* #ifdef CONFIG_RCU_BOOST */
seq_puts(m, ",\"b\",\"ci\",\"co\",\"ca\"\n");
}
print_one_rcu_data_csv(m, rdp);
return 0;
}
static const struct seq_operations rcudate_csv_op = {
.start = r_start,
.next = r_next,
.stop = r_stop,
.show = show_rcudata_csv,
};
static int rcudata_csv_open(struct inode *inode, struct file *file)
{
return r_open(inode, file, &rcudate_csv_op);
}
static const struct file_operations rcudata_csv_fops = {
.owner = THIS_MODULE,
.open = rcudata_csv_open,
.read = seq_read,
.llseek = no_llseek,
.release = seq_release,
};
#ifdef CONFIG_RCU_BOOST #ifdef CONFIG_RCU_BOOST
static void print_one_rcu_node_boost(struct seq_file *m, struct rcu_node *rnp) static void print_one_rcu_node_boost(struct seq_file *m, struct rcu_node *rnp)
@ -496,11 +425,6 @@ static int __init rcutree_trace_init(void)
if (!retval) if (!retval)
goto free_out; goto free_out;
retval = debugfs_create_file("rcudata.csv", 0444,
rspdir, rsp, &rcudata_csv_fops);
if (!retval)
goto free_out;
retval = debugfs_create_file("rcu_pending", 0444, retval = debugfs_create_file("rcu_pending", 0444,
rspdir, rsp, &rcu_pending_fops); rspdir, rsp, &rcu_pending_fops);
if (!retval) if (!retval)