Fix: split UST per UID/PID default values

[lttng-tools.git] / src / lib / lttng-ctl / lttng-ctl.c

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 55c0ea19d3a40bfeff226c5037383fc363687713..a7328ebfd8fa4e35d2f067d6affc01e832e6f13b 100644 (file)
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -1386,29 +1386,37 @@ void lttng_channel_set_default_attr(struct lttng_domain *domain,
 
        memset(attr, 0, sizeof(struct lttng_channel_attr));
 
+       /* Same for all domains. */
+       attr->overwrite = DEFAULT_CHANNEL_OVERWRITE;
+       attr->tracefile_size = DEFAULT_CHANNEL_TRACEFILE_SIZE;
+       attr->tracefile_count = DEFAULT_CHANNEL_TRACEFILE_COUNT;
+
        switch (domain->type) {
        case LTTNG_DOMAIN_KERNEL:
-               attr->overwrite = DEFAULT_CHANNEL_OVERWRITE;
                attr->switch_timer_interval = DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER;
                attr->read_timer_interval = DEFAULT_KERNEL_CHANNEL_READ_TIMER;
-
                attr->subbuf_size = default_get_kernel_channel_subbuf_size();
                attr->num_subbuf = DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM;
                attr->output = DEFAULT_KERNEL_CHANNEL_OUTPUT;
-               attr->tracefile_size = DEFAULT_KERNEL_CHANNEL_TRACEFILE_SIZE;
-               attr->tracefile_count = DEFAULT_KERNEL_CHANNEL_TRACEFILE_COUNT;
                break;
        case LTTNG_DOMAIN_UST:
-               attr->overwrite = DEFAULT_CHANNEL_OVERWRITE;
-               attr->switch_timer_interval = DEFAULT_UST_CHANNEL_SWITCH_TIMER;
-               attr->read_timer_interval = DEFAULT_UST_CHANNEL_READ_TIMER;
-
-               attr->subbuf_size = default_get_ust_channel_subbuf_size();
-               attr->num_subbuf = DEFAULT_UST_CHANNEL_SUBBUF_NUM;
-               attr->output = DEFAULT_UST_CHANNEL_OUTPUT;
-               attr->tracefile_size = DEFAULT_UST_CHANNEL_TRACEFILE_SIZE;
-               attr->tracefile_count = DEFAULT_UST_CHANNEL_TRACEFILE_COUNT;
-               break;
+               switch (domain->buf_type) {
+               case LTTNG_BUFFER_PER_UID:
+                       attr->subbuf_size = default_get_ust_uid_channel_subbuf_size();
+                       attr->num_subbuf = DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM;
+                       attr->output = DEFAULT_UST_UID_CHANNEL_OUTPUT;
+                       attr->switch_timer_interval = DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER;
+                       attr->read_timer_interval = DEFAULT_UST_UID_CHANNEL_READ_TIMER;
+                       break;
+               case LTTNG_BUFFER_PER_PID:
+               default:
+                       attr->subbuf_size = default_get_ust_pid_channel_subbuf_size();
+                       attr->num_subbuf = DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM;
+                       attr->output = DEFAULT_UST_PID_CHANNEL_OUTPUT;
+                       attr->switch_timer_interval = DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER;
+                       attr->read_timer_interval = DEFAULT_UST_PID_CHANNEL_READ_TIMER;
+                       break;
+               }
        default:
                /* Default behavior: leave set to 0. */
                break;
@@ -1642,8 +1650,14 @@ int _lttng_create_session_ext(const char *name, const char *url,
        lsm.u.uri.size = size;
 
        if (size > 0 && uris[0].dtype != LTTNG_DST_PATH && strlen(uris[0].subdir) == 0) {
-               ret = snprintf(uris[0].subdir, sizeof(uris[0].subdir), "%s-%s", name,
-                               datetime);
+               /* Don't append datetime if the name was automatically created. */
+               if (strncmp(name, DEFAULT_SESSION_NAME "-",
+                                       strlen(DEFAULT_SESSION_NAME) + 1)) {
+                       ret = snprintf(uris[0].subdir, sizeof(uris[0].subdir), "%s-%s",
+                                       name, datetime);
+               } else {
+                       ret = snprintf(uris[0].subdir, sizeof(uris[0].subdir), "%s", name);
+               }
                if (ret < 0) {
                        PERROR("snprintf uri subdir");
                        ret = -LTTNG_ERR_FATAL;