SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / bin / lttng-sessiond / ust-abi-internal.h

diff --git a/src/bin/lttng-sessiond/ust-abi-internal.h b/src/bin/lttng-sessiond/ust-abi-internal.h
index 99da583d59d7398c2e3b31cbcde0795d8b84cbc9..ea33cd17651533fd57296dd9349b480a4f1252ba 100644 (file)
--- a/src/bin/lttng-sessiond/ust-abi-internal.h
+++ b/src/bin/lttng-sessiond/ust-abi-internal.h
@@ -87,6 +87,29 @@ struct lttng_ust_stream {
         */
 } LTTNG_PACKED;
 
+#define LTTNG_UST_TRIGGER_PADDING1     16
+#define LTTNG_UST_TRIGGER_PADDING2     (LTTNG_UST_SYM_NAME_LEN + 32)
+struct lttng_ust_trigger {
+       uint64_t id;
+       enum lttng_ust_instrumentation instrumentation;
+       char name[LTTNG_UST_SYM_NAME_LEN];      /* event name */
+
+       enum lttng_ust_loglevel_type loglevel_type;
+       int loglevel;   /* value, -1: all */
+       char padding[LTTNG_UST_TRIGGER_PADDING1];
+
+       /* Per instrumentation type configuration */
+       union {
+               char padding[LTTNG_UST_TRIGGER_PADDING2];
+       } u;
+} LTTNG_PACKED;
+
+#define LTTNG_TRIGGER_NOTIFICATION_PADDING 32
+struct lttng_ust_trigger_notification {
+       uint64_t id;
+       char padding[LTTNG_TRIGGER_NOTIFICATION_PADDING];
+} LTTNG_PACKED;
+
 #define LTTNG_UST_EVENT_PADDING1       16
 #define LTTNG_UST_EVENT_PADDING2       (LTTNG_UST_SYM_NAME_LEN + 32)
 struct lttng_ust_event {
@@ -305,6 +328,9 @@ struct lttng_ust_event_exclusion {
 #define LTTNG_UST_FILTER                       _UST_CMD(0xA0)
 #define LTTNG_UST_EXCLUSION                    _UST_CMD(0xA1)
 
+#define LTTNG_UST_TRIGGER_SEND_FD              _UST_CMD(0xB0)
+#define LTTNG_UST_TRIGGER_CREATE               _UST_CMDW(0xB1, struct lttng_ust_trigger)
+
 #define LTTNG_UST_ROOT_HANDLE  0
 
 struct lttng_ust_obj;