77 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * intel_pt_log.h: Intel Processor Trace support4 * Copyright (c) 2013-2014, Intel Corporation.5 */6 7#ifndef INCLUDE__INTEL_PT_LOG_H__8#define INCLUDE__INTEL_PT_LOG_H__9 10#include <linux/compiler.h>11#include <stdint.h>12#include <inttypes.h>13 14struct intel_pt_pkt;15 16void *intel_pt_log_fp(void);17void intel_pt_log_enable(bool dump_log_on_error, unsigned int log_on_error_size);18void intel_pt_log_disable(void);19void intel_pt_log_set_name(const char *name);20void intel_pt_log_dump_buf(void);21 22void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,23 uint64_t pos, const unsigned char *buf);24 25struct intel_pt_insn;26 27void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);28void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,29 uint64_t ip);30 31void __intel_pt_log(const char *fmt, ...) __printf(1, 2);32 33#define intel_pt_log(fmt, ...) \34 do { \35 if (intel_pt_enable_logging) \36 __intel_pt_log(fmt, ##__VA_ARGS__); \37 } while (0)38 39#define intel_pt_log_packet(arg, ...) \40 do { \41 if (intel_pt_enable_logging) \42 __intel_pt_log_packet(arg, ##__VA_ARGS__); \43 } while (0)44 45#define intel_pt_log_insn(arg, ...) \46 do { \47 if (intel_pt_enable_logging) \48 __intel_pt_log_insn(arg, ##__VA_ARGS__); \49 } while (0)50 51#define intel_pt_log_insn_no_data(arg, ...) \52 do { \53 if (intel_pt_enable_logging) \54 __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \55 } while (0)56 57#define x64_fmt "0x%" PRIx6458 59extern bool intel_pt_enable_logging;60 61static inline void intel_pt_log_at(const char *msg, uint64_t u)62{63 intel_pt_log("%s at " x64_fmt "\n", msg, u);64}65 66static inline void intel_pt_log_to(const char *msg, uint64_t u)67{68 intel_pt_log("%s to " x64_fmt "\n", msg, u);69}70 71#define intel_pt_log_var(var, fmt) intel_pt_log("%s: " #var " " fmt "\n", __func__, var)72 73#define intel_pt_log_x32(var) intel_pt_log_var(var, "%#x")74#define intel_pt_log_x64(var) intel_pt_log_var(var, "%#" PRIx64)75 76#endif77