From 421aac43a03263b3564cbc83b82e19bb3642728f Mon Sep 17 00:00:00 2001
From: Cedric Roux <cedric.roux@eurecom.fr>
Date: Tue, 17 May 2016 12:26:53 +0200
Subject: [PATCH] add skip_delay parameter to the framelog
not very clean, might be reworked at some point
the idea is to compute much less 'log' than what
was done
---
common/utils/T/tracer/logger/framelog.c | 30 +++++++++++++++++++++++++
common/utils/T/tracer/logger/logger.h | 2 ++
2 files changed, 32 insertions(+)
diff --git a/common/utils/T/tracer/logger/framelog.c b/common/utils/T/tracer/logger/framelog.c
index 2b26a5b3a0..0889f2b80c 100644
--- a/common/utils/T/tracer/logger/framelog.c
+++ b/common/utils/T/tracer/logger/framelog.c
@@ -15,6 +15,11 @@ struct framelog {
float *x;
float *buffer;
int blength;
+ int skip_delay; /* one frame over 'skip_delay' is truly processed
+ * 0 to disable (process all data)
+ */
+ int skip_current; /* internal data for the skip mechanism */
+ int skip_on; /* internal data for the skip mechanism */
};
static void _event(void *p, event e)
@@ -30,6 +35,18 @@ static void _event(void *p, event e)
buffer = e.e[l->buffer_arg].b;
bsize = e.e[l->buffer_arg].bsize;
+ if (l->skip_delay != 0) {
+ if (subframe == 0) {
+ l->skip_current++;
+ if (l->skip_current >= l->skip_delay) {
+ l->skip_on = 0;
+ l->skip_current = 0;
+ } else
+ l->skip_on = 1;
+ }
+ }
+ if (l->skip_on) return;
+
nsamples = bsize / (2*sizeof(int16_t));
if (l->blength != nsamples * 10) {
@@ -110,3 +127,16 @@ logger *new_framelog(event_handler *h, void *database,
return ret;
}
+
+/****************************************************************************/
+/* public functions */
+/****************************************************************************/
+
+void framelog_set_skip(logger *_this, int skip_delay)
+{
+ struct framelog *l = _this;
+ /* TODO: protect with a lock? */
+ l->skip_delay = skip_delay;
+ l->skip_current = 0;
+ l->skip_on = 0;
+}
diff --git a/common/utils/T/tracer/logger/logger.h b/common/utils/T/tracer/logger/logger.h
index a3c09b2c23..ec04e60819 100644
--- a/common/utils/T/tracer/logger/logger.h
+++ b/common/utils/T/tracer/logger/logger.h
@@ -12,6 +12,8 @@ logger *new_ttilog(void *event_handler, void *database,
char *data_varname, int convert_to_dB);
logger *new_timelog(void *event_handler, void *database, char *event_name);
+void framelog_set_skip(logger *_this, int skip_delay);
+
#include "view/view.h"
void logger_add_view(logger *l, view *v);
--
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