aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--kernel/trace/trace_branch.c8
-rw-r--r--kernel/trace/trace_power.c7
2 files changed, 15 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
158static 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
159static struct trace_event trace_branch_event = { 166static 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)
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index bae791ebcc51..118439709fb7 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -186,6 +186,12 @@ static enum print_line_t power_print_line(struct trace_iterator *iter)
186 return TRACE_TYPE_UNHANDLED; 186 return TRACE_TYPE_UNHANDLED;
187} 187}
188 188
189static void power_print_header(struct seq_file *s)
190{
191 seq_puts(s, "# TIMESTAMP STATE EVENT\n");
192 seq_puts(s, "# | | |\n");
193}
194
189static struct tracer power_tracer __read_mostly = 195static struct tracer power_tracer __read_mostly =
190{ 196{
191 .name = "power", 197 .name = "power",
@@ -194,6 +200,7 @@ static struct tracer power_tracer __read_mostly =
194 .stop = stop_power_trace, 200 .stop = stop_power_trace,
195 .reset = power_trace_reset, 201 .reset = power_trace_reset,
196 .print_line = power_print_line, 202 .print_line = power_print_line,
203 .print_header = power_print_header,
197}; 204};
198 205
199static int init_power_trace(void) 206static int init_power_trace(void)