accel/tcg/perf.h

   1 /*
   2  * Linux perf perf-<pid>.map and jit-<pid>.dump integration.
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef ACCEL_TCG_PERF_H
   8 #define ACCEL_TCG_PERF_H
   9
  10 #if defined(CONFIG_TCG) && defined(CONFIG_LINUX)
  11 /* Start writing perf-<pid>.map. */
  12 void perf_enable_perfmap(void);
  13
  14 /* Start writing jit-<pid>.dump. */
  15 void perf_enable_jitdump(void);
  16
  17 /* Add information about TCG prologue to profiler maps. */
  18 void perf_report_prologue(const void *start, size_t size);
  19
  20 /* Add information about JITted guest code to profiler maps. */
  21 void perf_report_code(uint64_t guest_pc, TranslationBlock *tb,
  22                       const void *start);
  23
  24 /* Stop writing perf-<pid>.map and/or jit-<pid>.dump. */
  25 void perf_exit(void);
  26 #else
  27 static inline void perf_enable_perfmap(void)
  28 {
  29 }
  30
  31 static inline void perf_enable_jitdump(void)
  32 {
  33 }
  34
  35 static inline void perf_report_prologue(const void *start, size_t size)
  36 {
  37 }
  38
  39 static inline void perf_report_code(uint64_t guest_pc, TranslationBlock *tb,
  40                                     const void *start)
  41 {
  42 }
  43
  44 static inline void perf_exit(void)
  45 {
  46 }
  47 #endif
  48
  49 #endif