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
  23 struct intel_pt_pkt;
  24
  25 void intel_pt_log_enable(void);
  26 void intel_pt_log_disable(void);
  27 void intel_pt_log_set_name(const char *name);
  28
  29 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
  30                            uint64_t pos, const unsigned char *buf);
  31
  32 struct intel_pt_insn;
  33
  34 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
  35 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
  36                                  uint64_t ip);
  37
  38 void __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
  66 extern bool intel_pt_enable_logging;
  67
  68 static 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
  73 static 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