LXR linux/tools/perf/util/intel-pt-decoder/intel-pt-log.h

   1/*
   2 * intel_pt_log.h: Intel Processor Trace support
   3 * Copyright (c) 2013-2014, Intel Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms and conditions of the GNU General Public License,
   7 * version 2, as published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 */
  15
  16#ifndef INCLUDE__INTEL_PT_LOG_H__
  17#define INCLUDE__INTEL_PT_LOG_H__
  18
  19#include <linux/compiler.h>
  20#include <stdint.h>
  21#include <inttypes.h>
  22
  23struct intel_pt_pkt;
  24
  25void intel_pt_log_enable(void);
  26void intel_pt_log_disable(void);
  27void intel_pt_log_set_name(const char *name);
  28
  29void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
  30                           uint64_t pos, const unsigned char *buf);
  31
  32struct intel_pt_insn;
  33
  34void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
  35void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
  36                                 uint64_t ip);
  37
  38void __intel_pt_log(const char *fmt, ...) __printf(1, 2);
  39
  40#define intel_pt_log(fmt, ...) \
  41        do { \
  42                if (intel_pt_enable_logging) \
  43                        __intel_pt_log(fmt, ##__VA_ARGS__); \
  44        } while (0)
  45
  46#define intel_pt_log_packet(arg, ...) \
  47        do { \
  48                if (intel_pt_enable_logging) \
  49                        __intel_pt_log_packet(arg, ##__VA_ARGS__); \
  50        } while (0)
  51
  52#define intel_pt_log_insn(arg, ...) \
  53        do { \
  54                if (intel_pt_enable_logging) \
  55                        __intel_pt_log_insn(arg, ##__VA_ARGS__); \
  56        } while (0)
  57
  58#define intel_pt_log_insn_no_data(arg, ...) \
  59        do { \
  60                if (intel_pt_enable_logging) \
  61                        __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \
  62        } while (0)
  63
  64#define x64_fmt "0x%" PRIx64
  65
  66extern bool intel_pt_enable_logging;
  67
  68static inline void intel_pt_log_at(const char *msg, uint64_t u)
  69{
  70        intel_pt_log("%s at " x64_fmt "\n", msg, u);
  71}
  72
  73static inline void intel_pt_log_to(const char *msg, uint64_t u)
  74{
  75        intel_pt_log("%s to " x64_fmt "\n", msg, u);
  76}
  77
  78#endif
  79