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Fix: ust-consumer: flush empty packets on snapshot channel
[lttng-tools.git]
/
src
/
common
/
ust-consumer
/
ust-consumer.c
diff --git
a/src/common/ust-consumer/ust-consumer.c
b/src/common/ust-consumer/ust-consumer.c
index 4bb4f8d728794123dc6289e2253371e53b869ae5..055731faff15a5d93f02d9143a3e36ad3199ae34 100644
(file)
--- a/
src/common/ust-consumer/ust-consumer.c
+++ b/
src/common/ust-consumer/ust-consumer.c
@@
-971,7
+971,13
@@
static int snapshot_channel(uint64_t key, char *path, uint64_t relayd_id,
}
}
}
}
- ustctl_flush_buffer(stream->ustream, 1);
+ /*
+ * If tracing is active, we want to perform a "full" buffer flush.
+ * Else, if quiescent, it has already been done by the prior stop.
+ */
+ if (!stream->quiescent) {
+ ustctl_flush_buffer(stream->ustream, 0);
+ }
ret = lttng_ustconsumer_take_snapshot(stream);
if (ret < 0) {
ret = lttng_ustconsumer_take_snapshot(stream);
if (ret < 0) {
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