Fix: hash table cleanup call_rcu deadlock

[lttng-tools.git] / include / lttng / lttng.h

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index e21b479777b0760d028876218cd12e63decb992f..bcccdb47733722420a6997c506df00d06913c60e 100644 (file)
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -139,16 +139,25 @@ enum lttng_health_component {
        LTTNG_HEALTH_APP_REG,
        LTTNG_HEALTH_KERNEL,
        LTTNG_HEALTH_CONSUMER,
+       LTTNG_HEALTH_HT_CLEANUP,
        LTTNG_HEALTH_ALL,
 };
 
+/* Buffer type for a specific domain. */
+enum lttng_buffer_type {
+       LTTNG_BUFFER_PER_PID,   /* Only supported by UST being the default. */
+       LTTNG_BUFFER_PER_UID,   /* Only supported by UST. */
+       LTTNG_BUFFER_GLOBAL,    /* Only supported by the Kernel. */
+};
+
 /*
  * The structures should be initialized to zero before use.
  */
-#define LTTNG_DOMAIN_PADDING1              16
+#define LTTNG_DOMAIN_PADDING1              12
 #define LTTNG_DOMAIN_PADDING2              LTTNG_SYMBOL_NAME_LEN + 32
 struct lttng_domain {
        enum lttng_domain_type type;
+       enum lttng_buffer_type buf_type;
        char padding[LTTNG_DOMAIN_PADDING1];
 
        union {
@@ -269,7 +278,7 @@ struct lttng_event_field {
  *
  * The structures should be initialized to zero before use.
  */
-#define LTTNG_CHANNEL_ATTR_PADDING1        LTTNG_SYMBOL_NAME_LEN + 32
+#define LTTNG_CHANNEL_ATTR_PADDING1        LTTNG_SYMBOL_NAME_LEN + 16
 struct lttng_channel_attr {
        int overwrite;                      /* 1: overwrite, 0: discard */
        uint64_t subbuf_size;               /* bytes */
@@ -277,6 +286,9 @@ struct lttng_channel_attr {
        unsigned int switch_timer_interval; /* usec */
        unsigned int read_timer_interval;   /* usec */
        enum lttng_event_output output;     /* splice, mmap */
+       /* LTTng 2.1 padding limit */
+       uint64_t tracefile_size;            /* bytes */
+       uint64_t tracefile_count;           /* number of tracefiles */
 
        char padding[LTTNG_CHANNEL_ATTR_PADDING1];
 };
@@ -590,12 +602,14 @@ extern int lttng_set_consumer_url(struct lttng_handle *handle,
 /*
  * Enable the consumer for a session and domain.
  */
-extern int lttng_enable_consumer(struct lttng_handle *handle);
+extern LTTNG_DEPRECATED("This call is now obsolete.")
+int lttng_enable_consumer(struct lttng_handle *handle);
 
 /*
  * Disable consumer for a session and domain.
  */
-extern int lttng_disable_consumer(struct lttng_handle *handle);
+extern LTTNG_DEPRECATED("This call is now obsolete.")
+int lttng_disable_consumer(struct lttng_handle *handle);
 
 /*
  * Check session daemon health for a specific component.