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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-05-13 14:20:14 -0400
committerSteven Rostedt <rostedt@goodmis.org>2015-05-13 14:20:14 -0400
commit687fcc4aee4567df14e31e82d6993418b826f408 (patch)
treee048483944ab5fdbb930ab46d6bc75d053204ef1
parent609a74045238c303bbe9396775eacf5bac1f51cc (diff)
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>
-rw-r--r--include/linux/trace_events.h2
-rw-r--r--kernel/trace/trace_events.c26
-rw-r--r--kernel/trace/trace_events_trigger.c2
-rw-r--r--kernel/trace/trace_kprobe.c16
-rw-r--r--kernel/trace/trace_output.c2
-rw-r--r--kernel/trace/trace_uprobe.c14
6 files changed, 31 insertions, 31 deletions
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 6f28464be418..15617798849c 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -304,7 +304,7 @@ struct trace_event_call {
304}; 304};
305 305
306static inline const char * 306static inline const char *
307ftrace_event_name(struct trace_event_call *call) 307trace_event_name(struct trace_event_call *call)
308{ 308{
309 if (call->flags & TRACE_EVENT_FL_TRACEPOINT) 309 if (call->flags & TRACE_EVENT_FL_TRACEPOINT)
310 return call->tp ? call->tp->name : NULL; 310 return call->tp ? call->tp->name : NULL;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index e5638c43b04d..df491ce4f3b0 100644
--- 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,
387 if (ret) { 387 if (ret) {
388 tracing_stop_cmdline_record(); 388 tracing_stop_cmdline_record();
389 pr_info("event trace: Could not enable event " 389 pr_info("event trace: Could not enable event "
390 "%s\n", ftrace_event_name(call)); 390 "%s\n", trace_event_name(call));
391 break; 391 break;
392 } 392 }
393 set_bit(FTRACE_EVENT_FL_ENABLED_BIT, &file->flags); 393 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,
523 list_for_each_entry(file, &tr->events, list) { 523 list_for_each_entry(file, &tr->events, list) {
524 524
525 call = file->event_call; 525 call = file->event_call;
526 name = ftrace_event_name(call); 526 name = trace_event_name(call);
527 527
528 if (!name || !call->class || !call->class->reg) 528 if (!name || !call->class || !call->class->reg)
529 continue; 529 continue;
@@ -747,7 +747,7 @@ static int t_show(struct seq_file *m, void *v)
747 747
748 if (strcmp(call->class->system, TRACE_SYSTEM) != 0) 748 if (strcmp(call->class->system, TRACE_SYSTEM) != 0)
749 seq_printf(m, "%s:", call->class->system); 749 seq_printf(m, "%s:", call->class->system);
750 seq_printf(m, "%s\n", ftrace_event_name(call)); 750 seq_printf(m, "%s\n", trace_event_name(call));
751 751
752 return 0; 752 return 0;
753} 753}
@@ -840,7 +840,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
840 mutex_lock(&event_mutex); 840 mutex_lock(&event_mutex);
841 list_for_each_entry(file, &tr->events, list) { 841 list_for_each_entry(file, &tr->events, list) {
842 call = file->event_call; 842 call = file->event_call;
843 if (!ftrace_event_name(call) || !call->class || !call->class->reg) 843 if (!trace_event_name(call) || !call->class || !call->class->reg)
844 continue; 844 continue;
845 845
846 if (system && strcmp(call->class->system, system->name) != 0) 846 if (system && strcmp(call->class->system, system->name) != 0)
@@ -955,7 +955,7 @@ static int f_show(struct seq_file *m, void *v)
955 955
956 switch ((unsigned long)v) { 956 switch ((unsigned long)v) {
957 case FORMAT_HEADER: 957 case FORMAT_HEADER:
958 seq_printf(m, "name: %s\n", ftrace_event_name(call)); 958 seq_printf(m, "name: %s\n", trace_event_name(call));
959 seq_printf(m, "ID: %d\n", call->event.type); 959 seq_printf(m, "ID: %d\n", call->event.type);
960 seq_puts(m, "format:\n"); 960 seq_puts(m, "format:\n");
961 return 0; 961 return 0;
@@ -1591,7 +1591,7 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file)
1591 } else 1591 } else
1592 d_events = parent; 1592 d_events = parent;
1593 1593
1594 name = ftrace_event_name(call); 1594 name = trace_event_name(call);
1595 file->dir = tracefs_create_dir(name, d_events); 1595 file->dir = tracefs_create_dir(name, d_events);
1596 if (!file->dir) { 1596 if (!file->dir) {
1597 pr_warn("Could not create tracefs '%s' directory\n", name); 1597 pr_warn("Could not create tracefs '%s' directory\n", name);
@@ -1683,7 +1683,7 @@ static int event_init(struct trace_event_call *call)
1683 int ret = 0; 1683 int ret = 0;
1684 const char *name; 1684 const char *name;
1685 1685
1686 name = ftrace_event_name(call); 1686 name = trace_event_name(call);
1687 if (WARN_ON(!name)) 1687 if (WARN_ON(!name))
1688 return -EINVAL; 1688 return -EINVAL;
1689 1689
@@ -2062,7 +2062,7 @@ __trace_add_event_dirs(struct trace_array *tr)
2062 ret = __trace_add_new_event(call, tr); 2062 ret = __trace_add_new_event(call, tr);
2063 if (ret < 0) 2063 if (ret < 0)
2064 pr_warn("Could not create directory for event %s\n", 2064 pr_warn("Could not create directory for event %s\n",
2065 ftrace_event_name(call)); 2065 trace_event_name(call));
2066 } 2066 }
2067} 2067}
2068 2068
@@ -2076,7 +2076,7 @@ find_event_file(struct trace_array *tr, const char *system, const char *event)
2076 list_for_each_entry(file, &tr->events, list) { 2076 list_for_each_entry(file, &tr->events, list) {
2077 2077
2078 call = file->event_call; 2078 call = file->event_call;
2079 name = ftrace_event_name(call); 2079 name = trace_event_name(call);
2080 2080
2081 if (!name || !call->class || !call->class->reg) 2081 if (!name || !call->class || !call->class->reg)
2082 continue; 2082 continue;
@@ -2152,7 +2152,7 @@ event_enable_print(struct seq_file *m, unsigned long ip,
2152 seq_printf(m, "%s:%s:%s", 2152 seq_printf(m, "%s:%s:%s",
2153 data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR, 2153 data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR,
2154 data->file->event_call->class->system, 2154 data->file->event_call->class->system,
2155 ftrace_event_name(data->file->event_call)); 2155 trace_event_name(data->file->event_call));
2156 2156
2157 if (data->count == -1) 2157 if (data->count == -1)
2158 seq_puts(m, ":unlimited\n"); 2158 seq_puts(m, ":unlimited\n");
@@ -2375,7 +2375,7 @@ __trace_early_add_event_dirs(struct trace_array *tr)
2375 ret = event_create_dir(tr->event_dir, file); 2375 ret = event_create_dir(tr->event_dir, file);
2376 if (ret < 0) 2376 if (ret < 0)
2377 pr_warn("Could not create directory for event %s\n", 2377 pr_warn("Could not create directory for event %s\n",
2378 ftrace_event_name(file->event_call)); 2378 trace_event_name(file->event_call));
2379 } 2379 }
2380} 2380}
2381 2381
@@ -2399,7 +2399,7 @@ __trace_early_add_events(struct trace_array *tr)
2399 ret = __trace_early_add_new_event(call, tr); 2399 ret = __trace_early_add_new_event(call, tr);
2400 if (ret < 0) 2400 if (ret < 0)
2401 pr_warn("Could not create early event %s\n", 2401 pr_warn("Could not create early event %s\n",
2402 ftrace_event_name(call)); 2402 trace_event_name(call));
2403 } 2403 }
2404} 2404}
2405 2405
@@ -2787,7 +2787,7 @@ static __init void event_trace_self_tests(void)
2787 continue; 2787 continue;
2788#endif 2788#endif
2789 2789
2790 pr_info("Testing event %s: ", ftrace_event_name(call)); 2790 pr_info("Testing event %s: ", trace_event_name(call));
2791 2791
2792 /* 2792 /*
2793 * If an event is already enabled, someone is using 2793 * 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 bb6f2ff52ad2..ccd6a2adc7ad 100644
--- 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,
1095 seq_printf(m, "%s:%s:%s", 1095 seq_printf(m, "%s:%s:%s",
1096 enable_data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR, 1096 enable_data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR,
1097 enable_data->file->event_call->class->system, 1097 enable_data->file->event_call->class->system,
1098 ftrace_event_name(enable_data->file->event_call)); 1098 trace_event_name(enable_data->file->event_call));
1099 1099
1100 if (data->count == -1) 1100 if (data->count == -1)
1101 seq_puts(m, ":unlimited"); 1101 seq_puts(m, ":unlimited");
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 6ecb1a49af7b..4ce865dae39e 100644
--- 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,
348 struct trace_kprobe *tk; 348 struct trace_kprobe *tk;
349 349
350 list_for_each_entry(tk, &probe_list, list) 350 list_for_each_entry(tk, &probe_list, list)
351 if (strcmp(ftrace_event_name(&tk->tp.call), event) == 0 && 351 if (strcmp(trace_event_name(&tk->tp.call), event) == 0 &&
352 strcmp(tk->tp.call.class->system, group) == 0) 352 strcmp(tk->tp.call.class->system, group) == 0)
353 return tk; 353 return tk;
354 return NULL; 354 return NULL;
@@ -523,7 +523,7 @@ static int register_trace_kprobe(struct trace_kprobe *tk)
523 mutex_lock(&probe_lock); 523 mutex_lock(&probe_lock);
524 524
525 /* Delete old (same name) event if exist */ 525 /* Delete old (same name) event if exist */
526 old_tk = find_trace_kprobe(ftrace_event_name(&tk->tp.call), 526 old_tk = find_trace_kprobe(trace_event_name(&tk->tp.call),
527 tk->tp.call.class->system); 527 tk->tp.call.class->system);
528 if (old_tk) { 528 if (old_tk) {
529 ret = unregister_trace_kprobe(old_tk); 529 ret = unregister_trace_kprobe(old_tk);
@@ -572,7 +572,7 @@ static int trace_kprobe_module_callback(struct notifier_block *nb,
572 if (ret) 572 if (ret)
573 pr_warning("Failed to re-register probe %s on" 573 pr_warning("Failed to re-register probe %s on"
574 "%s: %d\n", 574 "%s: %d\n",
575 ftrace_event_name(&tk->tp.call), 575 trace_event_name(&tk->tp.call),
576 mod->name, ret); 576 mod->name, ret);
577 } 577 }
578 } 578 }
@@ -829,7 +829,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
829 829
830 seq_putc(m, trace_kprobe_is_return(tk) ? 'r' : 'p'); 830 seq_putc(m, trace_kprobe_is_return(tk) ? 'r' : 'p');
831 seq_printf(m, ":%s/%s", tk->tp.call.class->system, 831 seq_printf(m, ":%s/%s", tk->tp.call.class->system,
832 ftrace_event_name(&tk->tp.call)); 832 trace_event_name(&tk->tp.call));
833 833
834 if (!tk->symbol) 834 if (!tk->symbol)
835 seq_printf(m, " 0x%p", tk->rp.kp.addr); 835 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)
888 struct trace_kprobe *tk = v; 888 struct trace_kprobe *tk = v;
889 889
890 seq_printf(m, " %-44s %15lu %15lu\n", 890 seq_printf(m, " %-44s %15lu %15lu\n",
891 ftrace_event_name(&tk->tp.call), tk->nhit, 891 trace_event_name(&tk->tp.call), tk->nhit,
892 tk->rp.kp.nmissed); 892 tk->rp.kp.nmissed);
893 893
894 return 0; 894 return 0;
@@ -1025,7 +1025,7 @@ print_kprobe_event(struct trace_iterator *iter, int flags,
1025 field = (struct kprobe_trace_entry_head *)iter->ent; 1025 field = (struct kprobe_trace_entry_head *)iter->ent;
1026 tp = container_of(event, struct trace_probe, call.event); 1026 tp = container_of(event, struct trace_probe, call.event);
1027 1027
1028 trace_seq_printf(s, "%s: (", ftrace_event_name(&tp->call)); 1028 trace_seq_printf(s, "%s: (", trace_event_name(&tp->call));
1029 1029
1030 if (!seq_print_ip_sym(s, field->ip, flags | TRACE_ITER_SYM_OFFSET)) 1030 if (!seq_print_ip_sym(s, field->ip, flags | TRACE_ITER_SYM_OFFSET))
1031 goto out; 1031 goto out;
@@ -1056,7 +1056,7 @@ print_kretprobe_event(struct trace_iterator *iter, int flags,
1056 field = (struct kretprobe_trace_entry_head *)iter->ent; 1056 field = (struct kretprobe_trace_entry_head *)iter->ent;
1057 tp = container_of(event, struct trace_probe, call.event); 1057 tp = container_of(event, struct trace_probe, call.event);
1058 1058
1059 trace_seq_printf(s, "%s: (", ftrace_event_name(&tp->call)); 1059 trace_seq_printf(s, "%s: (", trace_event_name(&tp->call));
1060 1060
1061 if (!seq_print_ip_sym(s, field->ret_ip, flags | TRACE_ITER_SYM_OFFSET)) 1061 if (!seq_print_ip_sym(s, field->ret_ip, flags | TRACE_ITER_SYM_OFFSET))
1062 goto out; 1062 goto out;
@@ -1301,7 +1301,7 @@ static int register_kprobe_event(struct trace_kprobe *tk)
1301 ret = trace_add_event_call(call); 1301 ret = trace_add_event_call(call);
1302 if (ret) { 1302 if (ret) {
1303 pr_info("Failed to register kprobe event: %s\n", 1303 pr_info("Failed to register kprobe event: %s\n",
1304 ftrace_event_name(call)); 1304 trace_event_name(call));
1305 kfree(call->print_fmt); 1305 kfree(call->print_fmt);
1306 unregister_trace_event(&call->event); 1306 unregister_trace_event(&call->event);
1307 } 1307 }
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 74dfe2e01d68..dfab253727dc 100644
--- 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,
239 } 239 }
240 240
241 trace_seq_init(p); 241 trace_seq_init(p);
242 trace_seq_printf(s, "%s: ", ftrace_event_name(event)); 242 trace_seq_printf(s, "%s: ", trace_event_name(event));
243 243
244 return trace_handle_return(s); 244 return trace_handle_return(s);
245} 245}
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 68ba5da5d9e0..40764abc7d09 100644
--- 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
293 struct trace_uprobe *tu; 293 struct trace_uprobe *tu;
294 294
295 list_for_each_entry(tu, &uprobe_list, list) 295 list_for_each_entry(tu, &uprobe_list, list)
296 if (strcmp(ftrace_event_name(&tu->tp.call), event) == 0 && 296 if (strcmp(trace_event_name(&tu->tp.call), event) == 0 &&
297 strcmp(tu->tp.call.class->system, group) == 0) 297 strcmp(tu->tp.call.class->system, group) == 0)
298 return tu; 298 return tu;
299 299
@@ -323,7 +323,7 @@ static int register_trace_uprobe(struct trace_uprobe *tu)
323 mutex_lock(&uprobe_lock); 323 mutex_lock(&uprobe_lock);
324 324
325 /* register as an event */ 325 /* register as an event */
326 old_tu = find_probe_event(ftrace_event_name(&tu->tp.call), 326 old_tu = find_probe_event(trace_event_name(&tu->tp.call),
327 tu->tp.call.class->system); 327 tu->tp.call.class->system);
328 if (old_tu) { 328 if (old_tu) {
329 /* delete old event */ 329 /* delete old event */
@@ -600,7 +600,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
600 int i; 600 int i;
601 601
602 seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system, 602 seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system,
603 ftrace_event_name(&tu->tp.call)); 603 trace_event_name(&tu->tp.call));
604 seq_printf(m, " %s:0x%p", tu->filename, (void *)tu->offset); 604 seq_printf(m, " %s:0x%p", tu->filename, (void *)tu->offset);
605 605
606 for (i = 0; i < tu->tp.nr_args; i++) 606 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)
651 struct trace_uprobe *tu = v; 651 struct trace_uprobe *tu = v;
652 652
653 seq_printf(m, " %s %-44s %15lu\n", tu->filename, 653 seq_printf(m, " %s %-44s %15lu\n", tu->filename,
654 ftrace_event_name(&tu->tp.call), tu->nhit); 654 trace_event_name(&tu->tp.call), tu->nhit);
655 return 0; 655 return 0;
656} 656}
657 657
@@ -853,12 +853,12 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
853 853
854 if (is_ret_probe(tu)) { 854 if (is_ret_probe(tu)) {
855 trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)", 855 trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
856 ftrace_event_name(&tu->tp.call), 856 trace_event_name(&tu->tp.call),
857 entry->vaddr[1], entry->vaddr[0]); 857 entry->vaddr[1], entry->vaddr[0]);
858 data = DATAOF_TRACE_ENTRY(entry, true); 858 data = DATAOF_TRACE_ENTRY(entry, true);
859 } else { 859 } else {
860 trace_seq_printf(s, "%s: (0x%lx)", 860 trace_seq_printf(s, "%s: (0x%lx)",
861 ftrace_event_name(&tu->tp.call), 861 trace_event_name(&tu->tp.call),
862 entry->vaddr[0]); 862 entry->vaddr[0]);
863 data = DATAOF_TRACE_ENTRY(entry, false); 863 data = DATAOF_TRACE_ENTRY(entry, false);
864 } 864 }
@@ -1295,7 +1295,7 @@ static int register_uprobe_event(struct trace_uprobe *tu)
1295 1295
1296 if (ret) { 1296 if (ret) {
1297 pr_info("Failed to register uprobe event: %s\n", 1297 pr_info("Failed to register uprobe event: %s\n",
1298 ftrace_event_name(call)); 1298 trace_event_name(call));
1299 kfree(call->print_fmt); 1299 kfree(call->print_fmt);
1300 unregister_trace_event(&call->event); 1300 unregister_trace_event(&call->event);
1301 } 1301 }