tracing: Rename ftrace_event_name() to trace_event_name()

The name "ftrace" really refers to the function hook infrastructure. It
is not about the trace_events. ftrace_event_name() returns the name of
an event tracepoint, has nothing to do with function tracing. Rename it
to trace_event_name().

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 6f28464be418d66a396145e3439ecf2cfb966a85..15617798849c2a8dec107e8993c036893473d149 100644 (file)
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -304,7 +304,7 @@ struct trace_event_call {
 };
 
 static inline const char *
-ftrace_event_name(struct trace_event_call *call)
+trace_event_name(struct trace_event_call *call)
 {
        if (call->flags & TRACE_EVENT_FL_TRACEPOINT)
                return call->tp ? call->tp->name : NULL;

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index e5638c43b04dacee065e371d3f13386a3b92b134..df491ce4f3b052323d343bba0de3badbbb8d2d38 100644 (file)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -387,7 +387,7 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file,
                        if (ret) {
                                tracing_stop_cmdline_record();
                                pr_info("event trace: Could not enable event "
-                                       "%s\n", ftrace_event_name(call));
+                                       "%s\n", trace_event_name(call));
                                break;
                        }
                        set_bit(FTRACE_EVENT_FL_ENABLED_BIT, &file->flags);
@@ -523,7 +523,7 @@ __ftrace_set_clr_event_nolock(struct trace_array *tr, const char *match,
        list_for_each_entry(file, &tr->events, list) {
 
                call = file->event_call;
-               name = ftrace_event_name(call);
+               name = trace_event_name(call);
 
                if (!name || !call->class || !call->class->reg)
                        continue;
@@ -747,7 +747,7 @@ static int t_show(struct seq_file *m, void *v)
 
        if (strcmp(call->class->system, TRACE_SYSTEM) != 0)
                seq_printf(m, "%s:", call->class->system);
-       seq_printf(m, "%s\n", ftrace_event_name(call));
+       seq_printf(m, "%s\n", trace_event_name(call));
 
        return 0;
 }
@@ -840,7 +840,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
        mutex_lock(&event_mutex);
        list_for_each_entry(file, &tr->events, list) {
                call = file->event_call;
-               if (!ftrace_event_name(call) || !call->class || !call->class->reg)
+               if (!trace_event_name(call) || !call->class || !call->class->reg)
                        continue;
 
                if (system && strcmp(call->class->system, system->name) != 0)
@@ -955,7 +955,7 @@ static int f_show(struct seq_file *m, void *v)
 
        switch ((unsigned long)v) {
        case FORMAT_HEADER:
-               seq_printf(m, "name: %s\n", ftrace_event_name(call));
+               seq_printf(m, "name: %s\n", trace_event_name(call));
                seq_printf(m, "ID: %d\n", call->event.type);
                seq_puts(m, "format:\n");
                return 0;
@@ -1591,7 +1591,7 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file)
        } else
                d_events = parent;
 
-       name = ftrace_event_name(call);
+       name = trace_event_name(call);
        file->dir = tracefs_create_dir(name, d_events);
        if (!file->dir) {
                pr_warn("Could not create tracefs '%s' directory\n", name);
@@ -1683,7 +1683,7 @@ static int event_init(struct trace_event_call *call)
        int ret = 0;
        const char *name;
 
-       name = ftrace_event_name(call);
+       name = trace_event_name(call);
        if (WARN_ON(!name))
                return -EINVAL;
 
@@ -2062,7 +2062,7 @@ __trace_add_event_dirs(struct trace_array *tr)
                ret = __trace_add_new_event(call, tr);
                if (ret < 0)
                        pr_warn("Could not create directory for event %s\n",
-                               ftrace_event_name(call));
+                               trace_event_name(call));
        }
 }
 
@@ -2076,7 +2076,7 @@ find_event_file(struct trace_array *tr, const char *system,  const char *event)
        list_for_each_entry(file, &tr->events, list) {
 
                call = file->event_call;
-               name = ftrace_event_name(call);
+               name = trace_event_name(call);
 
                if (!name || !call->class || !call->class->reg)
                        continue;
@@ -2152,7 +2152,7 @@ event_enable_print(struct seq_file *m, unsigned long ip,
        seq_printf(m, "%s:%s:%s",
                   data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR,
                   data->file->event_call->class->system,
-                  ftrace_event_name(data->file->event_call));
+                  trace_event_name(data->file->event_call));
 
        if (data->count == -1)
                seq_puts(m, ":unlimited\n");
@@ -2375,7 +2375,7 @@ __trace_early_add_event_dirs(struct trace_array *tr)
                ret = event_create_dir(tr->event_dir, file);
                if (ret < 0)
                        pr_warn("Could not create directory for event %s\n",
-                               ftrace_event_name(file->event_call));
+                               trace_event_name(file->event_call));
        }
 }
 
@@ -2399,7 +2399,7 @@ __trace_early_add_events(struct trace_array *tr)
                ret = __trace_early_add_new_event(call, tr);
                if (ret < 0)
                        pr_warn("Could not create early event %s\n",
-                               ftrace_event_name(call));
+                               trace_event_name(call));
        }
 }
 
@@ -2787,7 +2787,7 @@ static __init void event_trace_self_tests(void)
                        continue;
 #endif
 
-               pr_info("Testing event %s: ", ftrace_event_name(call));
+               pr_info("Testing event %s: ", trace_event_name(call));
 
                /*
                 * If an event is already enabled, someone is using

diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index bb6f2ff52ad2e8dd9a92ba45c978ca4b940c3402..ccd6a2adc7ad77583b99037142166400c944bd7c 100644 (file)
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -1095,7 +1095,7 @@ event_enable_trigger_print(struct seq_file *m, struct event_trigger_ops *ops,
        seq_printf(m, "%s:%s:%s",
                   enable_data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR,
                   enable_data->file->event_call->class->system,
-                  ftrace_event_name(enable_data->file->event_call));
+                  trace_event_name(enable_data->file->event_call));
 
        if (data->count == -1)
                seq_puts(m, ":unlimited");

diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 6ecb1a49af7b3447987c169d7cac2df4bf93acfd..4ce865dae39e684e91546580939de38ffb771eac 100644 (file)
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -348,7 +348,7 @@ static struct trace_kprobe *find_trace_kprobe(const char *event,
        struct trace_kprobe *tk;
 
        list_for_each_entry(tk, &probe_list, list)
-               if (strcmp(ftrace_event_name(&tk->tp.call), event) == 0 &&
+               if (strcmp(trace_event_name(&tk->tp.call), event) == 0 &&
                    strcmp(tk->tp.call.class->system, group) == 0)
                        return tk;
        return NULL;
@@ -523,7 +523,7 @@ static int register_trace_kprobe(struct trace_kprobe *tk)
        mutex_lock(&probe_lock);
 
        /* Delete old (same name) event if exist */
-       old_tk = find_trace_kprobe(ftrace_event_name(&tk->tp.call),
+       old_tk = find_trace_kprobe(trace_event_name(&tk->tp.call),
                        tk->tp.call.class->system);
        if (old_tk) {
                ret = unregister_trace_kprobe(old_tk);
@@ -572,7 +572,7 @@ static int trace_kprobe_module_callback(struct notifier_block *nb,
                        if (ret)
                                pr_warning("Failed to re-register probe %s on"
                                           "%s: %d\n",
-                                          ftrace_event_name(&tk->tp.call),
+                                          trace_event_name(&tk->tp.call),
                                           mod->name, ret);
                }
        }
@@ -829,7 +829,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
 
        seq_putc(m, trace_kprobe_is_return(tk) ? 'r' : 'p');
        seq_printf(m, ":%s/%s", tk->tp.call.class->system,
-                       ftrace_event_name(&tk->tp.call));
+                       trace_event_name(&tk->tp.call));
 
        if (!tk->symbol)
                seq_printf(m, " 0x%p", tk->rp.kp.addr);
@@ -888,7 +888,7 @@ static int probes_profile_seq_show(struct seq_file *m, void *v)
        struct trace_kprobe *tk = v;
 
        seq_printf(m, "  %-44s %15lu %15lu\n",
-                  ftrace_event_name(&tk->tp.call), tk->nhit,
+                  trace_event_name(&tk->tp.call), tk->nhit,
                   tk->rp.kp.nmissed);
 
        return 0;
@@ -1025,7 +1025,7 @@ print_kprobe_event(struct trace_iterator *iter, int flags,
        field = (struct kprobe_trace_entry_head *)iter->ent;
        tp = container_of(event, struct trace_probe, call.event);
 
-       trace_seq_printf(s, "%s: (", ftrace_event_name(&tp->call));
+       trace_seq_printf(s, "%s: (", trace_event_name(&tp->call));
 
        if (!seq_print_ip_sym(s, field->ip, flags | TRACE_ITER_SYM_OFFSET))
                goto out;
@@ -1056,7 +1056,7 @@ print_kretprobe_event(struct trace_iterator *iter, int flags,
        field = (struct kretprobe_trace_entry_head *)iter->ent;
        tp = container_of(event, struct trace_probe, call.event);
 
-       trace_seq_printf(s, "%s: (", ftrace_event_name(&tp->call));
+       trace_seq_printf(s, "%s: (", trace_event_name(&tp->call));
 
        if (!seq_print_ip_sym(s, field->ret_ip, flags | TRACE_ITER_SYM_OFFSET))
                goto out;
@@ -1301,7 +1301,7 @@ static int register_kprobe_event(struct trace_kprobe *tk)
        ret = trace_add_event_call(call);
        if (ret) {
                pr_info("Failed to register kprobe event: %s\n",
-                       ftrace_event_name(call));
+                       trace_event_name(call));
                kfree(call->print_fmt);
                unregister_trace_event(&call->event);
        }

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 74dfe2e01d68427c595a7a67ad59db49accef76e..dfab253727dc9ea2ce674d5c0add0c9fc59c2d08 100644 (file)
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -239,7 +239,7 @@ int trace_raw_output_prep(struct trace_iterator *iter,
        }
 
        trace_seq_init(p);
-       trace_seq_printf(s, "%s: ", ftrace_event_name(event));
+       trace_seq_printf(s, "%s: ", trace_event_name(event));
 
        return trace_handle_return(s);
 }

diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 68ba5da5d9e0bc61b85cfe6e0eef6e26aced8b0e..40764abc7d09fa45c19348f3e4c1bcaffd333b46 100644 (file)
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -293,7 +293,7 @@ static struct trace_uprobe *find_probe_event(const char *event, const char *grou
        struct trace_uprobe *tu;
 
        list_for_each_entry(tu, &uprobe_list, list)
-               if (strcmp(ftrace_event_name(&tu->tp.call), event) == 0 &&
+               if (strcmp(trace_event_name(&tu->tp.call), event) == 0 &&
                    strcmp(tu->tp.call.class->system, group) == 0)
                        return tu;
 
@@ -323,7 +323,7 @@ static int register_trace_uprobe(struct trace_uprobe *tu)
        mutex_lock(&uprobe_lock);
 
        /* register as an event */
-       old_tu = find_probe_event(ftrace_event_name(&tu->tp.call),
+       old_tu = find_probe_event(trace_event_name(&tu->tp.call),
                        tu->tp.call.class->system);
        if (old_tu) {
                /* delete old event */
@@ -600,7 +600,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
        int i;
 
        seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system,
-                       ftrace_event_name(&tu->tp.call));
+                       trace_event_name(&tu->tp.call));
        seq_printf(m, " %s:0x%p", tu->filename, (void *)tu->offset);
 
        for (i = 0; i < tu->tp.nr_args; i++)
@@ -651,7 +651,7 @@ static int probes_profile_seq_show(struct seq_file *m, void *v)
        struct trace_uprobe *tu = v;
 
        seq_printf(m, "  %s %-44s %15lu\n", tu->filename,
-                       ftrace_event_name(&tu->tp.call), tu->nhit);
+                       trace_event_name(&tu->tp.call), tu->nhit);
        return 0;
 }
 
@@ -853,12 +853,12 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
 
        if (is_ret_probe(tu)) {
                trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
-                                ftrace_event_name(&tu->tp.call),
+                                trace_event_name(&tu->tp.call),
                                 entry->vaddr[1], entry->vaddr[0]);
                data = DATAOF_TRACE_ENTRY(entry, true);
        } else {
                trace_seq_printf(s, "%s: (0x%lx)",
-                                ftrace_event_name(&tu->tp.call),
+                                trace_event_name(&tu->tp.call),
                                 entry->vaddr[0]);
                data = DATAOF_TRACE_ENTRY(entry, false);
        }
@@ -1295,7 +1295,7 @@ static int register_uprobe_event(struct trace_uprobe *tu)
 
        if (ret) {
                pr_info("Failed to register uprobe event: %s\n",
-                       ftrace_event_name(call));
+                       trace_event_name(call));
                kfree(call->print_fmt);
                unregister_trace_event(&call->event);
        }