It is convenient for debug to be able to switch on/off some events easily.
The only possibility now is to remove event name from the file completely
and type it again when we want it back.
The patch adds '#' symbol handling as a comment specifier.
Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
---
trace/control.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/trace/control.c b/trace/control.c
index 4c5527d..22d5863 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -27,6 +27,9 @@ void trace_backend_init_events(const char *fname)
size_t len = strlen(line_buf);
if (len > 1) { /* skip empty lines */
line_buf[len - 1] = '\0';
+ if ('#' == line_buf[0]) { /* skip commented lines */
+ continue;
+ }
if (!trace_event_set_state(line_buf, true)) {
fprintf(stderr,
"error: trace event '%s' does not exist\n", line_buf);
--
1.7.7.3
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