Add kernel and UST time namespace context

[lttng-tools.git] / src / common / lttng-kernel.h

diff --git a/src/common/lttng-kernel.h b/src/common/lttng-kernel.h
index 78d5fc449ced3d3aae92e6feb1e35a3335d78509..fc2a1e25944f26cd8273353d5dd6ce49dce92e9e 100644 (file)
--- a/src/common/lttng-kernel.h
+++ b/src/common/lttng-kernel.h
@@ -1,20 +1,10 @@
 /*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *                      David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 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, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _LTTNG_KERNEL_H
@@ -22,8 +12,13 @@
 
 #include <stdint.h>
 #include <common/macros.h>
+#include <lttng/constant.h>
+#include <lttng/event.h>
 
 #define LTTNG_KERNEL_SYM_NAME_LEN  256
+#define LTTNG_KERNEL_MAX_UPROBE_NUM  32
+#define LTTNG_KERNEL_SESSION_NAME_LEN  256
+#define LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN 26
 
 /*
  * LTTng DebugFS ABI structures.
@@ -39,6 +34,7 @@ enum lttng_kernel_instrumentation {
        LTTNG_KERNEL_KRETPROBE     = 3,
        LTTNG_KERNEL_NOOP          = 4,    /* not hooked */
        LTTNG_KERNEL_SYSCALL       = 5,
+       LTTNG_KERNEL_UPROBE        = 6,
 };
 
 enum lttng_kernel_context_type {
@@ -58,6 +54,28 @@ 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,
+       LTTNG_KERNEL_CONTEXT_CGROUP_NS      = 18,
+       LTTNG_KERNEL_CONTEXT_IPC_NS         = 19,
+       LTTNG_KERNEL_CONTEXT_MNT_NS         = 20,
+       LTTNG_KERNEL_CONTEXT_NET_NS         = 21,
+       LTTNG_KERNEL_CONTEXT_PID_NS         = 22,
+       LTTNG_KERNEL_CONTEXT_USER_NS        = 23,
+       LTTNG_KERNEL_CONTEXT_UTS_NS         = 24,
+       LTTNG_KERNEL_CONTEXT_UID            = 25,
+       LTTNG_KERNEL_CONTEXT_EUID           = 26,
+       LTTNG_KERNEL_CONTEXT_SUID           = 27,
+       LTTNG_KERNEL_CONTEXT_GID            = 28,
+       LTTNG_KERNEL_CONTEXT_EGID           = 29,
+       LTTNG_KERNEL_CONTEXT_SGID           = 30,
+       LTTNG_KERNEL_CONTEXT_VUID           = 31,
+       LTTNG_KERNEL_CONTEXT_VEUID          = 32,
+       LTTNG_KERNEL_CONTEXT_VSUID          = 33,
+       LTTNG_KERNEL_CONTEXT_VGID           = 34,
+       LTTNG_KERNEL_CONTEXT_VEGID          = 35,
+       LTTNG_KERNEL_CONTEXT_VSGID          = 36,
+       LTTNG_KERNEL_CONTEXT_TIME_NS        = 37,
 };
 
 /* Perf counter attributes */
@@ -97,6 +115,20 @@ struct lttng_kernel_kprobe {
        char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
 } LTTNG_PACKED;
 
+struct lttng_kernel_uprobe {
+       int fd;
+} LTTNG_PACKED;
+
+struct lttng_kernel_event_callsite_uprobe {
+       uint64_t offset;
+} LTTNG_PACKED;
+
+struct lttng_kernel_event_callsite {
+       union {
+               struct lttng_kernel_event_callsite_uprobe uprobe;
+       } u;
+} LTTNG_PACKED;
+
 /* Function tracer */
 struct lttng_kernel_function {
        char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
@@ -113,6 +145,7 @@ struct lttng_kernel_event {
        union {
                struct lttng_kernel_kretprobe kretprobe;
                struct lttng_kernel_kprobe kprobe;
+               struct lttng_kernel_uprobe uprobe;
                struct lttng_kernel_function ftrace;
                char padding[LTTNG_KERNEL_EVENT_PADDING2];
        } u;
@@ -129,14 +162,6 @@ struct lttng_kernel_tracer_abi_version {
        uint32_t minor;
 } 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;
-
 struct lttng_kernel_syscall_mask {
        uint32_t len;   /* in bits */
        char mask[];
@@ -165,4 +190,34 @@ struct lttng_kernel_filter_bytecode {
        char data[0];
 } LTTNG_PACKED;
 
+/*
+ * kernel session name
+ */
+struct lttng_kernel_session_name {
+       char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+} LTTNG_PACKED;
+
+/*
+ * kernel session creation datetime
+ */
+struct lttng_kernel_session_creation_time {
+       char iso8601[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
+} LTTNG_PACKED;
+
+enum lttng_kernel_tracker_type {
+       LTTNG_KERNEL_TRACKER_UNKNOWN            = -1,
+
+       LTTNG_KERNEL_TRACKER_PID                = 0,
+       LTTNG_KERNEL_TRACKER_VPID               = 1,
+       LTTNG_KERNEL_TRACKER_UID                = 2,
+       LTTNG_KERNEL_TRACKER_VUID               = 3,
+       LTTNG_KERNEL_TRACKER_GID                = 4,
+       LTTNG_KERNEL_TRACKER_VGID               = 5,
+};
+
+struct lttng_kernel_tracker_args {
+       enum lttng_kernel_tracker_type type;
+       int32_t id;
+};
+
 #endif /* _LTTNG_KERNEL_H */