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Fix: use biggest subbuffer size for snapshot max-size
[lttng-tools.git]
/
src
/
bin
/
lttng
/
commands
/
snapshot.c
diff --git
a/src/bin/lttng/commands/snapshot.c
b/src/bin/lttng/commands/snapshot.c
index c704eee5f8582c791c8ba9831e7c7b9186975c26..2d250afc37cfb01df040159936dcbef24444f90d 100644
(file)
--- a/
src/bin/lttng/commands/snapshot.c
+++ b/
src/bin/lttng/commands/snapshot.c
@@
-195,10
+195,11
@@
static int list_output(void)
MSG("Snapshot output list for session %s", current_session_name);
while ((s_iter = lttng_snapshot_output_list_get_next(list)) != NULL) {
MSG("Snapshot output list for session %s", current_session_name);
while ((s_iter = lttng_snapshot_output_list_get_next(list)) != NULL) {
- MSG("%s[%" PRIu32 "] %s: %s", indent4,
+ MSG("%s[%" PRIu32 "] %s: %s
(max-size: %" PRId64 ")
", indent4,
lttng_snapshot_output_get_id(s_iter),
lttng_snapshot_output_get_name(s_iter),
lttng_snapshot_output_get_id(s_iter),
lttng_snapshot_output_get_name(s_iter),
- lttng_snapshot_output_get_ctrl_url(s_iter));
+ lttng_snapshot_output_get_ctrl_url(s_iter),
+ lttng_snapshot_output_get_maxsize(s_iter));
output_seen = 1;
}
output_seen = 1;
}
@@
-371,6
+372,11
@@
static int record(const char *url)
ret = lttng_snapshot_record(current_session_name, output, 0);
if (ret < 0) {
ret = lttng_snapshot_record(current_session_name, output, 0);
if (ret < 0) {
+ if (ret == -LTTNG_ERR_MAX_SIZE_INVALID) {
+ ERR("The minimum size of a snapshot is computed by multiplying "
+ "the total amount of streams with the largest subbuffer "
+ "in the session.");
+ }
goto error;
}
goto error;
}
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