Support per UID buffers

[lttng-tools.git] / src / bin / lttng / commands / enable_events.c

diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
index 1a53448c647ebd8469871b916258726649a78c5b..231dac3fbd50c4cdf295c89c20ca1038182cedd5 100644 (file)
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -199,7 +199,7 @@ static int parse_probe_opts(struct lttng_event *ev, char *opt)
                strncpy(ev->attr.probe.symbol_name, name, LTTNG_SYMBOL_NAME_LEN);
                ev->attr.probe.symbol_name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
                DBG("probe symbol %s", ev->attr.probe.symbol_name);
-               if (strlen(s_hex) == 0) {
+               if (*s_hex == '\0') {
                        ERR("Invalid probe offset %s", s_hex);
                        ret = -1;
                        goto end;
@@ -227,7 +227,7 @@ static int parse_probe_opts(struct lttng_event *ev, char *opt)
        /* Check for address */
        ret = sscanf(opt, "%s", s_hex);
        if (ret > 0) {
-               if (strlen(s_hex) == 0) {
+               if (*s_hex == '\0') {
                        ERR("Invalid probe address %s", s_hex);
                        ret = -1;
                        goto end;
@@ -255,7 +255,7 @@ int loglevel_str_to_value(const char *inputstr)
        int i = 0;
        char str[LTTNG_SYMBOL_NAME_LEN];
 
-       while (inputstr[i] != '\0' && i < LTTNG_SYMBOL_NAME_LEN) {
+       while (i < LTTNG_SYMBOL_NAME_LEN && inputstr[i] != '\0') {
                str[i] = toupper(inputstr[i]);
                i++;
        }
@@ -319,8 +319,11 @@ static int enable_events(char *session_name)
        /* Create lttng domain */
        if (opt_kernel) {
                dom.type = LTTNG_DOMAIN_KERNEL;
+               dom.buf_type = LTTNG_BUFFER_GLOBAL;
        } else if (opt_userspace) {
                dom.type = LTTNG_DOMAIN_UST;
+               /* Default. */
+               dom.buf_type = LTTNG_BUFFER_PER_PID;
        } else {
                ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
                ret = CMD_ERROR;