+++ /dev/null
-/*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- * 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 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.
- */
-
-#ifndef _LTTNG_KERNEL_H
-#define _LTTNG_KERNEL_H
-
-#include <stdint.h>
-
-#define LTTNG_KERNEL_SYM_NAME_LEN 256
-
-/*
- * LTTng DebugFS ABI structures.
- *
- * This is the kernel ABI copied from lttng-modules tree.
- */
-
-enum lttng_kernel_instrumentation {
- LTTNG_KERNEL_ALL = -1, /* Used within lttng-tools */
- LTTNG_KERNEL_TRACEPOINT = 0,
- LTTNG_KERNEL_KPROBE = 1,
- LTTNG_KERNEL_FUNCTION = 2,
- LTTNG_KERNEL_KRETPROBE = 3,
- LTTNG_KERNEL_NOOP = 4, /* not hooked */
- LTTNG_KERNEL_SYSCALL = 5,
-};
-
-enum lttng_kernel_context_type {
- LTTNG_KERNEL_CONTEXT_PID = 0,
- LTTNG_KERNEL_CONTEXT_PERF_COUNTER = 1,
- LTTNG_KERNEL_CONTEXT_PROCNAME = 2,
- LTTNG_KERNEL_CONTEXT_PRIO = 3,
- LTTNG_KERNEL_CONTEXT_NICE = 4,
- LTTNG_KERNEL_CONTEXT_VPID = 5,
- LTTNG_KERNEL_CONTEXT_TID = 6,
- LTTNG_KERNEL_CONTEXT_VTID = 7,
- LTTNG_KERNEL_CONTEXT_PPID = 8,
- LTTNG_KERNEL_CONTEXT_VPPID = 9,
-};
-
-/* Perf counter attributes */
-struct lttng_kernel_perf_counter_ctx {
- uint32_t type;
- uint64_t config;
- char name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
-
-/* Event/Channel context */
-#define LTTNG_KERNEL_CONTEXT_PADDING1 16
-#define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
-struct lttng_kernel_context {
- enum lttng_kernel_context_type ctx;
- char padding[LTTNG_KERNEL_CONTEXT_PADDING1];
-
- union {
- struct lttng_kernel_perf_counter_ctx perf_counter;
- char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
- } u;
-};
-
-struct lttng_kernel_kretprobe {
- uint64_t addr;
-
- uint64_t offset;
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
-
-/*
- * Either addr is used, or symbol_name and offset.
- */
-struct lttng_kernel_kprobe {
- uint64_t addr;
-
- uint64_t offset;
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
-
-/* Function tracer */
-struct lttng_kernel_function {
- char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
-
-#define LTTNG_KERNEL_EVENT_PADDING1 16
-#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;
- char padding[LTTNG_KERNEL_EVENT_PADDING1];
-
- /* Per instrumentation type configuration */
- union {
- struct lttng_kernel_kretprobe kretprobe;
- struct lttng_kernel_kprobe kprobe;
- struct lttng_kernel_function ftrace;
- char padding[LTTNG_KERNEL_EVENT_PADDING2];
- } u;
-};
-
-struct lttng_kernel_tracer_version {
- uint32_t version;
- uint32_t patchlevel;
- uint32_t sublevel;
-};
-
-enum lttng_kernel_calibrate_type {
- LTTNG_KERNEL_CALIBRATE_KRETPROBE,
-};
-
-struct lttng_kernel_calibrate {
- enum lttng_kernel_calibrate_type type; /* type (input) */
-};
-
-#endif /* _LTTNG_KERNEL_H */