SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / common / lttng-kernel.h

diff --git a/src/common/lttng-kernel.h b/src/common/lttng-kernel.h
index d5904e79f5f5c3b8582496c2297ce5bc4b49f900..62e784eb61c3418a9f9aefcb2101c9ee4ceeec25 100644 (file)
--- a/src/common/lttng-kernel.h
+++ b/src/common/lttng-kernel.h
@@ -150,6 +150,24 @@ struct lttng_kernel_event {
        } u;
 } LTTNG_PACKED;
 
+#define LTTNG_KERNEL_TRIGGER_PADDING1  16
+#define LTTNG_KERNEL_TRIGGER_PADDING2  LTTNG_KERNEL_SYM_NAME_LEN + 32
+struct lttng_kernel_trigger {
+       uint64_t id;
+       char name[LTTNG_KERNEL_SYM_NAME_LEN];   /* event name */
+       enum lttng_kernel_instrumentation instrumentation;
+       char padding[LTTNG_KERNEL_TRIGGER_PADDING1];
+
+       /* Per instrumentation type configuration */
+       union {
+               struct lttng_kernel_kretprobe kretprobe;
+               struct lttng_kernel_kprobe kprobe;
+               struct lttng_kernel_uprobe uprobe;
+               struct lttng_kernel_function ftrace;
+               char padding[LTTNG_KERNEL_TRIGGER_PADDING2];
+       } u;
+} LTTNG_PACKED;
+
 struct lttng_kernel_tracer_version {
        uint32_t major;
        uint32_t minor;