use signal safe ust_safe_snprintf()

[ust.git] / libustcmd / ustcmd.c

diff --git a/libustcmd/ustcmd.c b/libustcmd/ustcmd.c
index bbb6928c3bff3fda77e02b380d93305d75b9e9cb..d22fb5236f4b01f707a554c313216f4e84cfeec2 100644 (file)
--- a/libustcmd/ustcmd.c
+++ b/libustcmd/ustcmd.c
@@ -111,7 +111,7 @@ int ustcmd_destroy_trace(pid_t pid)
 {
        int result;
 
-       result = ustcmd_send_cmd("destroy", pid, NULL);
+       result = ustcmd_send_cmd("trace_destroy", pid, NULL);
        if (result) {
                return USTCMD_ERR_GEN;
        }
@@ -137,6 +137,24 @@ int ustcmd_setup_and_start(pid_t pid)
        return 0;
 }
 
+/**
+ * Creates an UST trace according to a PID.
+ *
+ * @param pid  Traced process ID
+ * @return     0 if successful, or error USTCMD_ERR_GEN
+ */
+int ustcmd_create_trace(pid_t pid)
+{
+       int result;
+
+       result = ustcmd_send_cmd("trace_create", pid, NULL);
+       if (result) {
+               return USTCMD_ERR_GEN;
+       }
+
+       return 0;
+}
+
 /**
  * Starts an UST trace according to a PID.
  *
@@ -255,7 +273,7 @@ int ustcmd_get_cmsf(struct marker_status **cmsf, const pid_t pid)
        while (big_str[i] != '\0') {
                char state;
 
-               sscanf(big_str + i, "%a[^/]/%a[^ ] %c %a[^\n]",
+               sscanf(big_str + i, "marker: %a[^/]/%a[^ ] %c %a[^\n]",
                        &tmp_cmsf[cmsf_ind].channel,
                        &tmp_cmsf[cmsf_ind].marker,
                        &state,