1 files changed, 0 insertions, 32 deletions

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 9fc815031b09..306fef84c503 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -437,8 +437,6 @@ int register_ftrace_event(struct trace_event *event)
 
         if (event->trace == NULL)
                 event->trace = trace_nop_print;
-        if (event->latency_trace == NULL)
-                event->latency_trace = trace_nop_print;
         if (event->raw == NULL)
                 event->raw = trace_nop_print;
         if (event->hex == NULL)
@@ -480,29 +478,6 @@ enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags)
 }
 
 /* TRACE_FN */
-static enum print_line_t trace_fn_latency(struct trace_iterator *iter,
-                                          int flags)
-{
-        struct ftrace_entry *field;
-        struct trace_seq *s = &iter->seq;
-
-        trace_assign_type(field, iter->ent);
-
-        if (!seq_print_ip_sym(s, field->ip, flags))
-                goto partial;
-        if (!trace_seq_puts(s, " ("))
-                goto partial;
-        if (!seq_print_ip_sym(s, field->parent_ip, flags))
-                goto partial;
-        if (!trace_seq_puts(s, ")\n"))
-                goto partial;
-
-        return TRACE_TYPE_HANDLED;
-
- partial:
-        return TRACE_TYPE_PARTIAL_LINE;
-}
-
 static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags)
 {
         struct ftrace_entry *field;
@@ -573,7 +548,6 @@ static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags)
 static struct trace_event trace_fn_event = {
         .type           = TRACE_FN,
         .trace          = trace_fn_trace,
-        .latency_trace  = trace_fn_latency,
         .raw            = trace_fn_raw,
         .hex            = trace_fn_hex,
         .binary         = trace_fn_bin,
@@ -705,7 +679,6 @@ static enum print_line_t trace_ctxwake_bin(struct trace_iterator *iter,
 static struct trace_event trace_ctx_event = {
         .type           = TRACE_CTX,
         .trace          = trace_ctx_print,
-        .latency_trace  = trace_ctx_print,
         .raw            = trace_ctx_raw,
         .hex            = trace_ctx_hex,
         .binary         = trace_ctxwake_bin,
@@ -714,7 +687,6 @@ static struct trace_event trace_ctx_event = {
 static struct trace_event trace_wake_event = {
         .type           = TRACE_WAKE,
         .trace          = trace_wake_print,
-        .latency_trace  = trace_wake_print,
         .raw            = trace_wake_raw,
         .hex            = trace_wake_hex,
         .binary         = trace_ctxwake_bin,
@@ -770,7 +742,6 @@ static enum print_line_t trace_special_bin(struct trace_iterator *iter,
 static struct trace_event trace_special_event = {
         .type           = TRACE_SPECIAL,
         .trace          = trace_special_print,
-        .latency_trace  = trace_special_print,
         .raw            = trace_special_print,
         .hex            = trace_special_hex,
         .binary         = trace_special_bin,
@@ -808,7 +779,6 @@ static enum print_line_t trace_stack_print(struct trace_iterator *iter,
 static struct trace_event trace_stack_event = {
         .type           = TRACE_STACK,
         .trace          = trace_stack_print,
-        .latency_trace  = trace_stack_print,
         .raw            = trace_special_print,
         .hex            = trace_special_hex,
         .binary         = trace_special_bin,
@@ -838,7 +808,6 @@ static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
 static struct trace_event trace_user_stack_event = {
         .type           = TRACE_USER_STACK,
         .trace          = trace_user_stack_print,
-        .latency_trace  = trace_user_stack_print,
         .raw            = trace_special_print,
         .hex            = trace_special_hex,
         .binary         = trace_special_bin,
@@ -883,7 +852,6 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags)
 static struct trace_event trace_print_event = {
         .type           = TRACE_PRINT,
         .trace          = trace_print_print,
-        .latency_trace  = trace_print_print,
         .raw            = trace_print_raw,
 };