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 79