Implement MI and save/load support for callstack contexts

[lttng-tools.git] / src / common / config / session-config.c

diff --git a/src/common/config/session-config.c b/src/common/config/session-config.c
index ed836f17e9d70e3d9cc5e0d3ea9eaf8d7e386b55..1b0db12cc8d448ea175192c28861a3a170edaed8 100644 (file)
--- a/src/common/config/session-config.c
+++ b/src/common/config/session-config.c
@@ -185,6 +185,8 @@ LTTNG_HIDDEN const char * const config_event_context_interruptible = "INTERRUPTI
 LTTNG_HIDDEN const char * const config_event_context_preemptible = "PREEMPTIBLE";
 LTTNG_HIDDEN const char * const config_event_context_need_reschedule = "NEED_RESCHEDULE";
 LTTNG_HIDDEN const char * const config_event_context_migratable = "MIGRATABLE";
+LTTNG_HIDDEN const char * const config_event_context_callstack_user= "CALLSTACK_USER";
+LTTNG_HIDDEN const char * const config_event_context_callstack_kernel = "CALLSTACK_KERNEL";
 
 /* Deprecated symbols */
 const char * const config_element_perf;
@@ -1018,6 +1020,12 @@ int get_context_type(xmlChar *context_type)
        } else if (!strcmp((char *) context_type,
                config_event_context_migratable)) {
                ret = LTTNG_EVENT_CONTEXT_MIGRATABLE;
+       } else if (!strcmp((char *) context_type,
+               config_event_context_callstack_user)) {
+               ret = LTTNG_EVENT_CONTEXT_CALLSTACK_USER;
+       } else if (!strcmp((char *) context_type,
+               config_event_context_callstack_kernel)) {
+               ret = LTTNG_EVENT_CONTEXT_CALLSTACK_KERNEL;
        } else {
                goto error;
        }
@@ -3032,7 +3040,7 @@ int load_session_from_path(const char *path, const char *session_name,
                        errno = 0;
                        result = readdir(directory);
 
-                       /* Reached end of dir stream or error out */
+                       /* Reached end of dir stream or error out. */
                        if (!result) {
                                if (errno) {
                                        PERROR("Failed to enumerate the contents of path \"%s\" while loading session, readdir returned", path);