/*
* lttng/ust-abi.h
*
- * Copyright 2010-2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
* LTTng-UST ABI header
*
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+ * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * Permission is hereby granted to use or copy this program
- * for any purpose, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*/
#include <stdint.h>
#define LTTNG_UST_SYM_NAME_LEN 256
-#define LTTNG_UST_COMM_VERSION_MAJOR 0
-#define LTTNG_UST_COMM_VERSION_MINOR 1
+#define LTTNG_UST_COMM_VERSION_MAJOR 2
+#define LTTNG_UST_COMM_VERSION_MINOR 0
enum lttng_ust_instrumentation {
LTTNG_UST_TRACEPOINT = 0,
uint32_t patchlevel;
};
+#define LTTNG_UST_CHANNEL_PADDING LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_channel {
int overwrite; /* 1: overwrite, 0: discard */
uint64_t subbuf_size; /* in bytes */
unsigned int switch_timer_interval; /* usecs */
unsigned int read_timer_interval; /* usecs */
enum lttng_ust_output output; /* output mode */
+ char padding[LTTNG_UST_CHANNEL_PADDING];
};
+#define LTTNG_UST_STREAM_PADDING1 16
+#define LTTNG_UST_STREAM_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_stream {
+ char padding[LTTNG_UST_STREAM_PADDING1];
+
+ union {
+ char padding[LTTNG_UST_STREAM_PADDING2];
+ } u;
};
+#define LTTNG_UST_EVENT_PADDING1 16
+#define LTTNG_UST_EVENT_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_event {
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_EVENT_PADDING1];
/* Per instrumentation type configuration */
union {
+ char padding[LTTNG_UST_EVENT_PADDING2];
} u;
};
LTTNG_UST_CONTEXT_PROCNAME = 3,
};
+#define LTTNG_UST_CONTEXT_PADDING1 16
+#define LTTNG_UST_CONTEXT_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_context {
enum lttng_ust_context_type ctx;
+ char padding[LTTNG_UST_CONTEXT_PADDING1];
+
union {
+ char padding[LTTNG_UST_CONTEXT_PADDING2];
} u;
};
/*
* Tracer channel attributes.
*/
+#define LTTNG_UST_CHANNEL_ATTR_PADDING LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_channel_attr {
int overwrite; /* 1: overwrite, 0: discard */
uint64_t subbuf_size; /* bytes */
unsigned int switch_timer_interval; /* usec */
unsigned int read_timer_interval; /* usec */
enum lttng_ust_output output; /* splice, mmap */
+ char padding[LTTNG_UST_CHANNEL_ATTR_PADDING];
};
+#define LTTNG_UST_TRACEPOINT_ITER_PADDING 16
struct lttng_ust_tracepoint_iter {
char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */
int loglevel;
+ char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING];
};
+#define LTTNG_UST_OBJECT_DATA_PADDING LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_object_data {
int handle;
int shm_fd;
+ char *shm_path;
int wait_fd;
+ char *wait_pipe_path;
uint64_t memory_map_size;
+ char padding[LTTNG_UST_OBJECT_DATA_PADDING];
};
enum lttng_ust_calibrate_type {
LTTNG_UST_CALIBRATE_TRACEPOINT,
};
+#define LTTNG_UST_CALIBRATE_PADDING1 16
+#define LTTNG_UST_CALIBRATE_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32
struct lttng_ust_calibrate {
enum lttng_ust_calibrate_type type; /* type (input) */
+ char padding[LTTNG_UST_CALIBRATE_PADDING1];
+
+ union {
+ char padding[LTTNG_UST_CALIBRATE_PADDING2];
+ } u;
};
#define _UST_CMD(minor) (minor)
#define LTTNG_UST_STREAM _UST_CMD(0x60)
#define LTTNG_UST_EVENT \
_UST_CMDW(0x61, struct lttng_ust_event)
-
+#define LTTNG_UST_STREAM_PIPE _UST_CMD(0x62)
/* Event and Channel FD commands */
#define LTTNG_UST_CONTEXT \
_UST_CMDW(0x70, struct lttng_ust_context)
union ust_args {
struct {
int *shm_fd;
+ char *shm_path;
int *wait_fd;
+ char *wait_pipe_path;
uint64_t *memory_map_size;
} channel;
struct {
int *shm_fd;
+ char *shm_path;
int *wait_fd;
+ char *wait_pipe_path;
uint64_t *memory_map_size;
} stream;
};
projects / lttng-ust.git / blobdiff