tracing/kprobes: Rename probe_* to trace_probe_*

Rename probe_* to trace_probe_* for avoiding namespace
confliction. This also fixes improper names of find_probe_event()
and cleanup_all_probes() to find_trace_probe() and
release_all_trace_probes() respectively.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20110627072636.6528.60374.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 22 insertions, 21 deletions

diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 7db7b68c6c37..14b88ed65bb7 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -555,12 +555,12 @@ struct trace_probe {
         (sizeof(struct probe_arg) * (n)))
 
 
-static __kprobes int probe_is_return(struct trace_probe *tp)
+static __kprobes int trace_probe_is_return(struct trace_probe *tp)
 {
         return tp->rp.handler != NULL;
 }
 
-static __kprobes const char *probe_symbol(struct trace_probe *tp)
+static __kprobes const char *trace_probe_symbol(struct trace_probe *tp)
 {
         return tp->symbol ? tp->symbol : "unknown";
 }
@@ -671,7 +671,7 @@ static void free_trace_probe(struct trace_probe *tp)
         kfree(tp);
 }
 
-static struct trace_probe *find_probe_event(const char *event,
+static struct trace_probe *find_trace_probe(const char *event,
                                             const char *group)
 {
         struct trace_probe *tp;
@@ -686,7 +686,7 @@ static struct trace_probe *find_probe_event(const char *event,
 /* Unregister a trace_probe and probe_event: call with locking probe_lock */
 static void unregister_trace_probe(struct trace_probe *tp)
 {
-        if (probe_is_return(tp))
+        if (trace_probe_is_return(tp))
                 unregister_kretprobe(&tp->rp);
         else
                 unregister_kprobe(&tp->rp.kp);
@@ -703,7 +703,7 @@ static int register_trace_probe(struct trace_probe *tp)
         mutex_lock(&probe_lock);
 
         /* register as an event */
-        old_tp = find_probe_event(tp->call.name, tp->call.class->system);
+        old_tp = find_trace_probe(tp->call.name, tp->call.class->system);
         if (old_tp) {
                 /* delete old event */
                 unregister_trace_probe(old_tp);
@@ -716,7 +716,7 @@ static int register_trace_probe(struct trace_probe *tp)
         }
 
         tp->rp.kp.flags |= KPROBE_FLAG_DISABLED;
-        if (probe_is_return(tp))
+        if (trace_probe_is_return(tp))
                 ret = register_kretprobe(&tp->rp);
         else
                 ret = register_kprobe(&tp->rp.kp);
@@ -1025,7 +1025,7 @@ static int create_trace_probe(int argc, char **argv)
                         return -EINVAL;
                 }
                 mutex_lock(&probe_lock);
-                tp = find_probe_event(event, group);
+                tp = find_trace_probe(event, group);
                 if (!tp) {
                         mutex_unlock(&probe_lock);
                         pr_info("Event %s/%s doesn't exist.\n", group, event);
@@ -1144,7 +1144,7 @@ error:
         return ret;
 }
 
-static void cleanup_all_probes(void)
+static void release_all_trace_probes(void)
 {
         struct trace_probe *tp;
 
@@ -1181,15 +1181,16 @@ static int probes_seq_show(struct seq_file *m, void *v)
         struct trace_probe *tp = v;
         int i;
 
-        seq_printf(m, "%c", probe_is_return(tp) ? 'r' : 'p');
+        seq_printf(m, "%c", trace_probe_is_return(tp) ? 'r' : 'p');
         seq_printf(m, ":%s/%s", tp->call.class->system, tp->call.name);
 
         if (!tp->symbol)
                 seq_printf(m, " 0x%p", tp->rp.kp.addr);
         else if (tp->rp.kp.offset)
-                seq_printf(m, " %s+%u", probe_symbol(tp), tp->rp.kp.offset);
+                seq_printf(m, " %s+%u", trace_probe_symbol(tp),
+                           tp->rp.kp.offset);
         else
-                seq_printf(m, " %s", probe_symbol(tp));
+                seq_printf(m, " %s", trace_probe_symbol(tp));
 
         for (i = 0; i < tp->nr_args; i++)
                 seq_printf(m, " %s=%s", tp->args[i].name, tp->args[i].comm);
@@ -1209,7 +1210,7 @@ static int probes_open(struct inode *inode, struct file *file)
 {
         if ((file->f_mode & FMODE_WRITE) &&
             (file->f_flags & O_TRUNC))
-                cleanup_all_probes();
+                release_all_trace_probes();
 
         return seq_open(file, &probes_seq_op);
 }
@@ -1518,7 +1519,7 @@ static int probe_event_enable(struct ftrace_event_call *call)
         struct trace_probe *tp = (struct trace_probe *)call->data;
 
         tp->flags |= TP_FLAG_TRACE;
-        if (probe_is_return(tp))
+        if (trace_probe_is_return(tp))
                 return enable_kretprobe(&tp->rp);
         else
                 return enable_kprobe(&tp->rp.kp);
@@ -1530,7 +1531,7 @@ static void probe_event_disable(struct ftrace_event_call *call)
 
         tp->flags &= ~TP_FLAG_TRACE;
         if (!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE))) {
-                if (probe_is_return(tp))
+                if (trace_probe_is_return(tp))
                         disable_kretprobe(&tp->rp);
                 else
                         disable_kprobe(&tp->rp.kp);
@@ -1598,7 +1599,7 @@ static int __set_print_fmt(struct trace_probe *tp, char *buf, int len)
 
         const char *fmt, *arg;
 
-        if (!probe_is_return(tp)) {
+        if (!trace_probe_is_return(tp)) {
                 fmt = "(%lx)";
                 arg = "REC->" FIELD_STRING_IP;
         } else {
@@ -1722,7 +1723,7 @@ static int probe_perf_enable(struct ftrace_event_call *call)
 
         tp->flags |= TP_FLAG_PROFILE;
 
-        if (probe_is_return(tp))
+        if (trace_probe_is_return(tp))
                 return enable_kretprobe(&tp->rp);
         else
                 return enable_kprobe(&tp->rp.kp);
@@ -1735,7 +1736,7 @@ static void probe_perf_disable(struct ftrace_event_call *call)
         tp->flags &= ~TP_FLAG_PROFILE;
 
         if (!(tp->flags & TP_FLAG_TRACE)) {
-                if (probe_is_return(tp))
+                if (trace_probe_is_return(tp))
                         disable_kretprobe(&tp->rp);
                 else
                         disable_kprobe(&tp->rp.kp);
@@ -1807,7 +1808,7 @@ static int register_probe_event(struct trace_probe *tp)
 
         /* Initialize ftrace_event_call */
         INIT_LIST_HEAD(&call->class->fields);
-        if (probe_is_return(tp)) {
+        if (trace_probe_is_return(tp)) {
                 call->event.funcs = &kretprobe_funcs;
                 call->class->define_fields = kretprobe_event_define_fields;
         } else {
@@ -1899,7 +1900,7 @@ static __init int kprobe_trace_self_tests_init(void)
                 warn++;
         } else {
                 /* Enable trace point */
-                tp = find_probe_event("testprobe", KPROBE_EVENT_SYSTEM);
+                tp = find_trace_probe("testprobe", KPROBE_EVENT_SYSTEM);
                 if (WARN_ON_ONCE(tp == NULL)) {
                         pr_warning("error on getting new probe.\n");
                         warn++;
@@ -1914,7 +1915,7 @@ static __init int kprobe_trace_self_tests_init(void)
                 warn++;
         } else {
                 /* Enable trace point */
-                tp = find_probe_event("testprobe2", KPROBE_EVENT_SYSTEM);
+                tp = find_trace_probe("testprobe2", KPROBE_EVENT_SYSTEM);
                 if (WARN_ON_ONCE(tp == NULL)) {
                         pr_warning("error on getting new probe.\n");
                         warn++;
@@ -1940,7 +1941,7 @@ static __init int kprobe_trace_self_tests_init(void)
         }
 
 end:
-        cleanup_all_probes();
+        release_all_trace_probes();
         if (warn)
                 pr_cont("NG: Some tests are failed. Please check them.\n");
         else