kernel: event notifier: kernel-ctl interface

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

diff --git a/src/common/lttng-kernel.h b/src/common/lttng-kernel.h
index 565f5392878d97be8b27f2a3f13cb571b9ad8a5a..cd343bb766c81ea39f7f2ae8dbcd6de058954679 100644 (file)
--- a/src/common/lttng-kernel.h
+++ b/src/common/lttng-kernel.h
@@ -159,11 +159,12 @@ struct lttng_kernel_function {
        char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
 } LTTNG_PACKED;
 
-#define LTTNG_KERNEL_EVENT_PADDING1    16
+#define LTTNG_KERNEL_EVENT_PADDING1    8
 #define LTTNG_KERNEL_EVENT_PADDING2    LTTNG_KERNEL_SYM_NAME_LEN + 32
 struct lttng_kernel_event {
        char name[LTTNG_KERNEL_SYM_NAME_LEN];
        enum lttng_kernel_instrumentation instrumentation;
+       uint64_t token;
        char padding[LTTNG_KERNEL_EVENT_PADDING1];
 
        /* Per instrumentation type configuration */
@@ -177,6 +178,18 @@ struct lttng_kernel_event {
        } u;
 } LTTNG_PACKED;
 
+#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING    40
+struct lttng_kernel_event_notifier {
+       struct lttng_kernel_event event;
+       char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING];
+} LTTNG_PACKED;
+
+#define LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING 34
+struct lttng_kernel_event_notifier_notification {
+       uint64_t token;
+       char padding[LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING];
+} LTTNG_PACKED;
+
 struct lttng_kernel_tracer_version {
        uint32_t major;
        uint32_t minor;