*
* 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; either version 2
- * of the License, or (at your option) any later version.
+ * 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
#ifndef _LTTNG_KERNEL_H
#define _LTTNG_KERNEL_H
-#include "lttng-share.h"
+#include <stdint.h>
-#define LTTNG_SYM_NAME_LEN 128
+#include <lttng-share.h>
+
+#define LTTNG_SYM_NAME_LEN 256
/*
* LTTng DebugFS ABI structures.
*/
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 {
struct lttng_kernel_perf_counter_ctx {
uint32_t type;
uint64_t config;
- char name[LTTNG_SYMBOL_NAME_LEN];
+ char name[LTTNG_SYM_NAME_LEN];
};
/* Event/Channel context */
} u;
};
+struct lttng_kernel_kretprobe {
+ uint64_t addr;
+
+ uint64_t offset;
+ char symbol_name[LTTNG_SYM_NAME_LEN];
+};
+
/*
* Either addr is used, or symbol_name and offset.
*/
enum lttng_kernel_instrumentation instrumentation;
/* Per instrumentation type configuration */
union {
+ struct lttng_kernel_kretprobe kretprobe;
struct lttng_kernel_kprobe kprobe;
struct lttng_kernel_function ftrace;
} u;
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 */