* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
* David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _LTTNG_KERNEL_H
#define _LTTNG_KERNEL_H
#include <stdint.h>
+#include <common/macros.h>
#define LTTNG_KERNEL_SYM_NAME_LEN 256
LTTNG_KERNEL_CONTEXT_VTID = 7,
LTTNG_KERNEL_CONTEXT_PPID = 8,
LTTNG_KERNEL_CONTEXT_VPPID = 9,
+ LTTNG_KERNEL_CONTEXT_HOSTNAME = 10,
};
/* Perf counter attributes */
uint32_t type;
uint64_t config;
char name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
/* Event/Channel context */
#define LTTNG_KERNEL_CONTEXT_PADDING1 16
struct lttng_kernel_perf_counter_ctx perf_counter;
char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
} u;
-};
+} LTTNG_PACKED;
struct lttng_kernel_kretprobe {
uint64_t addr;
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
/*
* Either addr is used, or symbol_name and offset.
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
/* Function tracer */
struct lttng_kernel_function {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
#define LTTNG_KERNEL_EVENT_PADDING1 16
#define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
struct lttng_kernel_function ftrace;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
-};
+} LTTNG_PACKED;
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
-};
+} LTTNG_PACKED;
enum lttng_kernel_calibrate_type {
LTTNG_KERNEL_CALIBRATE_KRETPROBE,
struct lttng_kernel_calibrate {
enum lttng_kernel_calibrate_type type; /* type (input) */
-};
+} LTTNG_PACKED;
+
+/*
+ * kernel channel
+ */
+#define LTTNG_KERNEL_CHANNEL_PADDING1 LTTNG_SYMBOL_NAME_LEN + 32
+struct lttng_kernel_channel {
+ uint64_t subbuf_size; /* bytes */
+ uint64_t num_subbuf; /* power of 2 */
+ unsigned int switch_timer_interval; /* usec */
+ unsigned int read_timer_interval; /* usec */
+ enum lttng_event_output output; /* splice, mmap */
+
+ int overwrite; /* 1: overwrite, 0: discard */
+ char padding[LTTNG_KERNEL_CHANNEL_PADDING1];
+} LTTNG_PACKED;
#endif /* _LTTNG_KERNEL_H */