Contexts for RT debugging

[lttng-modules.git] / lttng-events.h

diff --git a/lttng-events.h b/lttng-events.h
index 234d4bcb9ff01f5aa83745f925e1775fd9eb5bd4..1b4f39c40ce22060e068f13bf31754acc738faeb 100644 (file)
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -162,6 +162,11 @@ struct lttng_perf_counter_field {
        struct perf_event **e;  /* per-cpu array */
 };
 
+struct lttng_probe_ctx {
+       struct lttng_event *event;
+       uint8_t interruptible;
+};
+
 struct lttng_ctx_field {
        struct lttng_event_field event_field;
        size_t (*get_size)(size_t offset);
@@ -169,6 +174,7 @@ struct lttng_ctx_field {
                       struct lib_ring_buffer_ctx *ctx,
                       struct lttng_channel *chan);
        void (*get_value)(struct lttng_ctx_field *field,
+                        struct lttng_probe_ctx *lttng_probe_ctx,
                         union lttng_ctx_value *value);
        union {
                struct lttng_perf_counter_field *perf_counter;
@@ -231,7 +237,8 @@ enum lttng_filter_ret {
 struct lttng_bytecode_runtime {
        /* Associated bytecode */
        struct lttng_filter_bytecode_node *bc;
-       uint64_t (*filter)(void *filter_data, const char *filter_stack_data);
+       uint64_t (*filter)(void *filter_data, struct lttng_probe_ctx *lttng_probe_ctx,
+                       const char *filter_stack_data);
        int link_failed;
        struct list_head node;  /* list of bytecode runtime in event */
 };
@@ -630,6 +637,26 @@ int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_ppid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_vppid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_hostname_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_interruptible_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_need_reschedule_to_ctx(struct lttng_ctx **ctx);
+#if defined(CONFIG_PREEMPT_RT_FULL) || defined(CONFIG_PREEMPT)
+int lttng_add_preemptible_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_preemptible_to_ctx(struct lttng_ctx **ctx)
+{
+       return -ENOSYS;
+}
+#endif
+#ifdef CONFIG_PREEMPT_RT_FULL
+int lttng_add_migratable_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_migratable_to_ctx(struct lttng_ctx **ctx)
+{
+       return -ENOSYS;
+}
+#endif
 #if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
 int lttng_add_perf_counter_to_ctx(uint32_t type,
                                  uint64_t config,