diff options
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/trace_branch.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index ad8c22efff41..8333715e4066 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c | |||
@@ -155,6 +155,13 @@ static enum print_line_t trace_branch_print(struct trace_iterator *iter, | |||
155 | return TRACE_TYPE_HANDLED; | 155 | return TRACE_TYPE_HANDLED; |
156 | } | 156 | } |
157 | 157 | ||
158 | static void branch_print_header(struct seq_file *s) | ||
159 | { | ||
160 | seq_puts(s, "# TASK-PID CPU# TIMESTAMP CORRECT" | ||
161 | " FUNC:FILE:LINE\n"); | ||
162 | seq_puts(s, "# | | | | | " | ||
163 | " |\n"); | ||
164 | } | ||
158 | 165 | ||
159 | static struct trace_event trace_branch_event = { | 166 | static struct trace_event trace_branch_event = { |
160 | .type = TRACE_BRANCH, | 167 | .type = TRACE_BRANCH, |
@@ -169,6 +176,7 @@ static struct tracer branch_trace __read_mostly = | |||
169 | #ifdef CONFIG_FTRACE_SELFTEST | 176 | #ifdef CONFIG_FTRACE_SELFTEST |
170 | .selftest = trace_selftest_startup_branch, | 177 | .selftest = trace_selftest_startup_branch, |
171 | #endif /* CONFIG_FTRACE_SELFTEST */ | 178 | #endif /* CONFIG_FTRACE_SELFTEST */ |
179 | .print_header = branch_print_header, | ||
172 | }; | 180 | }; |
173 | 181 | ||
174 | __init static int init_branch_tracer(void) | 182 | __init static int init_branch_tracer(void) |