X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-abi.h;h=db66bf375b74663e30f1b91809746a0bc76147b2;hp=9b9a2323b66f20f26eb498027f0e507728e5cc2b;hb=740572854b9a9a2670ef6185afc9707608559368;hpb=fe40f016c667f247b8e81c318cafa173de745fdd diff --git a/lttng-abi.h b/lttng-abi.h index 9b9a2323..db66bf37 100644 --- a/lttng-abi.h +++ b/lttng-abi.h @@ -1,28 +1,15 @@ -#ifndef _LTTNG_ABI_H -#define _LTTNG_ABI_H - -/* +/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) + * * lttng-abi.h * * LTTng ABI header * * Copyright (C) 2010-2012 Mathieu Desnoyers - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; only - * version 2.1 of the License. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#ifndef _LTTNG_ABI_H +#define _LTTNG_ABI_H + #include /* @@ -30,7 +17,7 @@ * should be increased when an incompatible ABI change is done. */ #define LTTNG_MODULES_ABI_MAJOR_VERSION 2 -#define LTTNG_MODULES_ABI_MINOR_VERSION 1 +#define LTTNG_MODULES_ABI_MINOR_VERSION 3 #define LTTNG_KERNEL_SYM_NAME_LEN 256 @@ -41,6 +28,7 @@ enum lttng_kernel_instrumentation { LTTNG_KERNEL_KRETPROBE = 3, LTTNG_KERNEL_NOOP = 4, /* not hooked */ LTTNG_KERNEL_SYSCALL = 5, + LTTNG_KERNEL_UPROBE = 6, }; /* @@ -86,6 +74,20 @@ struct lttng_kernel_function_tracer { char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; } __attribute__((packed)); +struct lttng_kernel_uprobe { + int fd; +} __attribute__((packed)); + +struct lttng_kernel_event_callsite_uprobe { + uint64_t offset; +} __attribute__((packed)); + +struct lttng_kernel_event_callsite { + union { + struct lttng_kernel_event_callsite_uprobe uprobe; + } u; +} __attribute__((packed)); + /* * For syscall tracing, name = "*" means "enable all". */ @@ -101,6 +103,7 @@ struct lttng_kernel_event { struct lttng_kernel_kretprobe kretprobe; struct lttng_kernel_kprobe kprobe; struct lttng_kernel_function_tracer ftrace; + struct lttng_kernel_uprobe uprobe; char padding[LTTNG_KERNEL_EVENT_PADDING2]; } u; } __attribute__((packed)); @@ -146,6 +149,8 @@ enum lttng_kernel_context_type { LTTNG_KERNEL_CONTEXT_PREEMPTIBLE = 13, LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE = 14, LTTNG_KERNEL_CONTEXT_MIGRATABLE = 15, + LTTNG_KERNEL_CONTEXT_CALLSTACK_KERNEL = 16, + LTTNG_KERNEL_CONTEXT_CALLSTACK_USER = 17, }; struct lttng_kernel_perf_counter_ctx { @@ -204,6 +209,8 @@ struct lttng_kernel_filter_bytecode { */ #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) #define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59) +/* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */ +#define LTTNG_KERNEL_SESSION_STATEDUMP _IO(0xF6, 0x5C) /* Channel FD ioctl */ #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62) @@ -222,6 +229,7 @@ struct lttng_kernel_filter_bytecode { /* Event FD ioctl */ #define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90) +#define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91) /* LTTng-specific ioctls for the lib ringbuffer */ /* returns the timestamp begin of the current sub-buffer */