diff options
Diffstat (limited to 'kernel/rcutree_trace.c')
| -rw-r--r-- | kernel/rcutree_trace.c | 88 |
1 files changed, 47 insertions, 41 deletions
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index fe1dcdbf1ca3..0ea1bff69727 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -43,6 +43,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> +#define RCU_TREE_NONCORE #include "rcutree.h" static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp) @@ -76,8 +77,12 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp) 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; @@ -102,7 +107,7 @@ static void print_one_rcu_data_csv(struct seq_file *m, struct rcu_data *rdp) 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); @@ -124,8 +129,12 @@ static int show_rcudata_csv(struct seq_file *m, void *unused) 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; @@ -171,8 +180,12 @@ static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp) 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; @@ -193,8 +206,12 @@ static struct file_operations rcuhier_fops = { 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; @@ -243,8 +260,12 @@ static void print_rcu_pendings(struct seq_file *m, struct rcu_state *rsp) 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; @@ -264,62 +285,47 @@ static struct file_operations rcu_pending_fops = { }; 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); } |