gcc/timevar.def

   1 /* This file contains the definitions for timing variables used to
   2    measure run-time performance of the compiler.
   3    Copyright (C) 2000-2016 Free Software Foundation, Inc.
   4    Contributed by Alex Samuel <samuel@codesourcery.com>
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3, or (at your option)
  11    any later version.
  12
  13    GCC is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 /* This file contains timing variable definitions, used by timevar.h
  23    and timevar.c.
  24
  25    Syntax:
  26
  27      DEFTIMEVAR (id, name)
  28
  29    where ID is the enumeral value used to identify the timing
  30    variable, and NAME is a character string describing its purpose.  */
  31
  32 /* The total execution time.  */
  33 DEFTIMEVAR (TV_TOTAL                 , "total time")
  34 /* The compiler phases.
  35
  36    These must be mutually exclusive, and the NAME field must begin
  37    with "phase".
  38
  39    Also, their sum must be within a millionth of the total time (see
  40    validate_phases).  */
  41 DEFTIMEVAR (TV_PHASE_SETUP           , "phase setup")
  42 DEFTIMEVAR (TV_PHASE_PARSING         , "phase parsing")
  43 DEFTIMEVAR (TV_PHASE_DEFERRED        , "phase lang. deferred")
  44 DEFTIMEVAR (TV_PHASE_LATE_PARSING_CLEANUPS, "phase late parsing cleanups")
  45 DEFTIMEVAR (TV_PHASE_OPT_GEN         , "phase opt and generate")
  46 DEFTIMEVAR (TV_PHASE_DBGINFO         , "phase debug info")
  47 DEFTIMEVAR (TV_PHASE_CHECK_DBGINFO   , "phase check & debug info")
  48 DEFTIMEVAR (TV_PHASE_LATE_ASM        , "phase last asm")
  49 DEFTIMEVAR (TV_PHASE_STREAM_IN       , "phase stream in")
  50 DEFTIMEVAR (TV_PHASE_STREAM_OUT      , "phase stream out")
  51 DEFTIMEVAR (TV_PHASE_FINALIZE        , "phase finalize")
  52
  53 /* Concurrent timers, indicated by "|".  */
  54 DEFTIMEVAR (TV_NAME_LOOKUP           , "|name lookup")
  55 DEFTIMEVAR (TV_OVERLOAD              , "|overload resolution")
  56
  57 /* Time spent garbage-collecting.  */
  58 DEFTIMEVAR (TV_GC                    , "garbage collection")
  59
  60 /* Time spent generating dump files.  */
  61 DEFTIMEVAR (TV_DUMP                  , "dump files")
  62
  63 /* Time spent saving/restoring PCH state.  */
  64 DEFTIMEVAR (TV_PCH_SAVE              , "PCH main state save")
  65 DEFTIMEVAR (TV_PCH_CPP_SAVE          , "PCH preprocessor state save")
  66 DEFTIMEVAR (TV_PCH_PTR_REALLOC       , "PCH pointer reallocation")
  67 DEFTIMEVAR (TV_PCH_PTR_SORT          , "PCH pointer sort")
  68 DEFTIMEVAR (TV_PCH_RESTORE           , "PCH main state restore")
  69 DEFTIMEVAR (TV_PCH_CPP_RESTORE       , "PCH preprocessor state restore")
  70
  71 DEFTIMEVAR (TV_CGRAPH                , "callgraph construction")
  72 DEFTIMEVAR (TV_CGRAPHOPT             , "callgraph optimization")
  73 DEFTIMEVAR (TV_IPA_UNREACHABLE       , "ipa dead code removal")
  74 DEFTIMEVAR (TV_IPA_INHERITANCE       , "ipa inheritance graph")
  75 DEFTIMEVAR (TV_IPA_VIRTUAL_CALL      , "ipa virtual call target")
  76 DEFTIMEVAR (TV_IPA_DEVIRT            , "ipa devirtualization")
  77 DEFTIMEVAR (TV_IPA_CONSTANT_PROP     , "ipa cp")
  78 DEFTIMEVAR (TV_IPA_INLINING          , "ipa inlining heuristics")
  79 DEFTIMEVAR (TV_IPA_FNSPLIT           , "ipa function splitting")
  80 DEFTIMEVAR (TV_IPA_COMDATS           , "ipa comdats")
  81 DEFTIMEVAR (TV_IPA_OPT               , "ipa various optimizations")
  82 DEFTIMEVAR (TV_IPA_LTO_DECOMPRESS    , "lto stream inflate")
  83 DEFTIMEVAR (TV_IPA_LTO_COMPRESS      , "lto stream deflate")
  84 DEFTIMEVAR (TV_IPA_LTO_OUTPUT        , "lto stream output")
  85 DEFTIMEVAR (TV_IPA_LTO_GIMPLE_IN     , "ipa lto gimple in")
  86 DEFTIMEVAR (TV_IPA_LTO_GIMPLE_OUT    , "ipa lto gimple out")
  87 DEFTIMEVAR (TV_IPA_LTO_DECL_IN       , "ipa lto decl in")
  88 DEFTIMEVAR (TV_IPA_LTO_DECL_OUT      , "ipa lto decl out")
  89 DEFTIMEVAR (TV_IPA_LTO_CTORS_IN      , "ipa lto constructors in")
  90 DEFTIMEVAR (TV_IPA_LTO_CTORS_OUT     , "ipa lto constructors out")
  91 DEFTIMEVAR (TV_IPA_LTO_CGRAPH_IO     , "ipa lto cgraph I/O")
  92 DEFTIMEVAR (TV_IPA_LTO_DECL_MERGE    , "ipa lto decl merge")
  93 DEFTIMEVAR (TV_IPA_LTO_CGRAPH_MERGE  , "ipa lto cgraph merge")
  94 DEFTIMEVAR (TV_LTO                   , "lto")
  95 DEFTIMEVAR (TV_WHOPR_WPA             , "whopr wpa")
  96 DEFTIMEVAR (TV_WHOPR_WPA_IO          , "whopr wpa I/O")
  97 DEFTIMEVAR (TV_WHOPR_PARTITIONING    , "whopr partitioning")
  98 DEFTIMEVAR (TV_WHOPR_LTRANS          , "whopr ltrans")
  99 DEFTIMEVAR (TV_IPA_REFERENCE         , "ipa reference")
 100 DEFTIMEVAR (TV_IPA_HSA               , "ipa HSA")
 101 DEFTIMEVAR (TV_IPA_PROFILE           , "ipa profile")
 102 DEFTIMEVAR (TV_IPA_AUTOFDO           , "auto profile")
 103 DEFTIMEVAR (TV_IPA_PURE_CONST        , "ipa pure const")
 104 DEFTIMEVAR (TV_IPA_ICF               , "ipa icf")
 105 DEFTIMEVAR (TV_IPA_PTA               , "ipa points-to")
 106 DEFTIMEVAR (TV_IPA_SRA               , "ipa SRA")
 107 DEFTIMEVAR (TV_IPA_FREE_LANG_DATA    , "ipa free lang data")
 108 DEFTIMEVAR (TV_IPA_FREE_INLINE_SUMMARY, "ipa free inline summary")
 109 /* Time spent by constructing CFG.  */
 110 DEFTIMEVAR (TV_CFG                   , "cfg construction")
 111 /* Time spent by cleaning up CFG.  */
 112 DEFTIMEVAR (TV_CLEANUP_CFG           , "cfg cleanup")
 113 DEFTIMEVAR (TV_CFG_VERIFY            , "CFG verifier")
 114 DEFTIMEVAR (TV_DELETE_TRIVIALLY_DEAD , "trivially dead code")
 115
 116 /* Time spent in dataflow problems.  */
 117 DEFTIMEVAR (TV_DF_SCAN               , "df scan insns")
 118 DEFTIMEVAR (TV_DF_MD                 , "df multiple defs")
 119 DEFTIMEVAR (TV_DF_RD                 , "df reaching defs")
 120 DEFTIMEVAR (TV_DF_LR                 , "df live regs")
 121 DEFTIMEVAR (TV_DF_LIVE               , "df live&initialized regs")
 122 DEFTIMEVAR (TV_DF_MIR                , "df must-initialized regs")
 123 DEFTIMEVAR (TV_DF_CHAIN              , "df use-def / def-use chains")
 124 DEFTIMEVAR (TV_DF_WORD_LR            , "df live reg subwords")
 125 DEFTIMEVAR (TV_DF_NOTE               , "df reg dead/unused notes")
 126 DEFTIMEVAR (TV_REG_STATS             , "register information")
 127
 128 DEFTIMEVAR (TV_ALIAS_ANALYSIS        , "alias analysis")
 129 DEFTIMEVAR (TV_ALIAS_STMT_WALK       , "alias stmt walking")
 130 DEFTIMEVAR (TV_REG_SCAN              , "register scan")
 131 DEFTIMEVAR (TV_REBUILD_JUMP          , "rebuild jump labels")
 132 /* Timing in various stages of the compiler.  */
 133 DEFTIMEVAR (TV_CPP                   , "preprocessing")
 134 DEFTIMEVAR (TV_LEX                   , "lexical analysis")
 135 DEFTIMEVAR (TV_PARSE_GLOBAL          , "parser (global)")
 136 DEFTIMEVAR (TV_PARSE_STRUCT          , "parser struct body")
 137 DEFTIMEVAR (TV_PARSE_ENUM            , "parser enumerator list")
 138 DEFTIMEVAR (TV_PARSE_FUNC            , "parser function body")
 139 DEFTIMEVAR (TV_PARSE_INLINE          , "parser inl. func. body")
 140 DEFTIMEVAR (TV_PARSE_INMETH          , "parser inl. meth. body")
 141 DEFTIMEVAR (TV_TEMPLATE_INST         , "template instantiation")
 142 DEFTIMEVAR (TV_FLATTEN_INLINING      , "flatten inlining")
 143 DEFTIMEVAR (TV_EARLY_INLINING        , "early inlining heuristics")
 144 DEFTIMEVAR (TV_INLINE_PARAMETERS     , "inline parameters")
 145 DEFTIMEVAR (TV_INTEGRATION           , "integration")
 146 DEFTIMEVAR (TV_TREE_GIMPLIFY         , "tree gimplify")
 147 DEFTIMEVAR (TV_TREE_EH               , "tree eh")
 148 DEFTIMEVAR (TV_TREE_CFG              , "tree CFG construction")
 149 DEFTIMEVAR (TV_TREE_CLEANUP_CFG      , "tree CFG cleanup")
 150 DEFTIMEVAR (TV_TREE_TAIL_MERGE       , "tree tail merge")
 151 DEFTIMEVAR (TV_TREE_VRP              , "tree VRP")
 152 DEFTIMEVAR (TV_TREE_COPY_PROP        , "tree copy propagation")
 153 DEFTIMEVAR (TV_FIND_REFERENCED_VARS  , "tree find ref. vars")
 154 DEFTIMEVAR (TV_TREE_PTA              , "tree PTA")
 155 DEFTIMEVAR (TV_TREE_INSERT_PHI_NODES , "tree PHI insertion")
 156 DEFTIMEVAR (TV_TREE_SSA_REWRITE_BLOCKS, "tree SSA rewrite")
 157 DEFTIMEVAR (TV_TREE_SSA_OTHER        , "tree SSA other")
 158 DEFTIMEVAR (TV_TREE_SSA_INCREMENTAL  , "tree SSA incremental")
 159 DEFTIMEVAR (TV_TREE_OPS              , "tree operand scan")
 160 DEFTIMEVAR (TV_TREE_SSA_DOMINATOR_OPTS   , "dominator optimization")
 161 DEFTIMEVAR (TV_TREE_SRA              , "tree SRA")
 162 DEFTIMEVAR (TV_ISOLATE_ERRONEOUS_PATHS    , "isolate eroneous paths")
 163 DEFTIMEVAR (TV_TREE_CCP              , "tree CCP")
 164 DEFTIMEVAR (TV_TREE_PHI_CPROP        , "tree PHI const/copy prop")
 165 DEFTIMEVAR (TV_TREE_SPLIT_EDGES      , "tree split crit edges")
 166 DEFTIMEVAR (TV_TREE_REASSOC          , "tree reassociation")
 167 DEFTIMEVAR (TV_TREE_PRE              , "tree PRE")
 168 DEFTIMEVAR (TV_TREE_FRE              , "tree FRE")
 169 DEFTIMEVAR (TV_TREE_SINK             , "tree code sinking")
 170 DEFTIMEVAR (TV_TREE_PHIOPT           , "tree linearize phis")
 171 DEFTIMEVAR (TV_TREE_BACKPROP         , "tree backward propagate")
 172 DEFTIMEVAR (TV_TREE_FORWPROP         , "tree forward propagate")
 173 DEFTIMEVAR (TV_TREE_PHIPROP          , "tree phiprop")
 174 DEFTIMEVAR (TV_TREE_DCE              , "tree conservative DCE")
 175 DEFTIMEVAR (TV_TREE_CD_DCE           , "tree aggressive DCE")
 176 DEFTIMEVAR (TV_TREE_CALL_CDCE        , "tree buildin call DCE")
 177 DEFTIMEVAR (TV_TREE_DSE              , "tree DSE")
 178 DEFTIMEVAR (TV_TREE_MERGE_PHI        , "PHI merge")
 179 DEFTIMEVAR (TV_TREE_LOOP             , "tree loop optimization")
 180 DEFTIMEVAR (TV_TREE_NOLOOP           , "loopless fn")
 181 DEFTIMEVAR (TV_TREE_LOOP_BOUNDS      , "tree loop bounds")
 182 DEFTIMEVAR (TV_LIM                   , "tree loop invariant motion")
 183 DEFTIMEVAR (TV_TREE_LOOP_IVCANON     , "tree canonical iv")
 184 DEFTIMEVAR (TV_SCEV_CONST            , "scev constant prop")
 185 DEFTIMEVAR (TV_TREE_LOOP_UNSWITCH    , "tree loop unswitching")
 186 DEFTIMEVAR (TV_COMPLETE_UNROLL       , "complete unrolling")
 187 DEFTIMEVAR (TV_TREE_PARALLELIZE_LOOPS, "tree parallelize loops")
 188 DEFTIMEVAR (TV_TREE_VECTORIZATION    , "tree vectorization")
 189 DEFTIMEVAR (TV_TREE_SLP_VECTORIZATION, "tree slp vectorization")
 190 DEFTIMEVAR (TV_GRAPHITE              , "Graphite")
 191 DEFTIMEVAR (TV_GRAPHITE_TRANSFORMS   , "Graphite loop transforms")
 192 DEFTIMEVAR (TV_GRAPHITE_DATA_DEPS    , "Graphite data dep analysis")
 193 DEFTIMEVAR (TV_GRAPHITE_CODE_GEN     , "Graphite code generation")
 194 DEFTIMEVAR (TV_TREE_LOOP_DISTRIBUTION, "tree loop distribution")
 195 DEFTIMEVAR (TV_CHECK_DATA_DEPS       , "tree check data dependences")
 196 DEFTIMEVAR (TV_TREE_PREFETCH         , "tree prefetching")
 197 DEFTIMEVAR (TV_TREE_LOOP_IVOPTS      , "tree iv optimization")
 198 DEFTIMEVAR (TV_PREDCOM               , "predictive commoning")
 199 DEFTIMEVAR (TV_TREE_CH               , "tree copy headers")
 200 DEFTIMEVAR (TV_TREE_SSA_UNCPROP      , "tree SSA uncprop")
 201 DEFTIMEVAR (TV_TREE_NRV              , "tree NRV optimization")
 202 DEFTIMEVAR (TV_TREE_COPY_RENAME      , "tree rename SSA copies")
 203 DEFTIMEVAR (TV_TREE_SSA_VERIFY       , "tree SSA verifier")
 204 DEFTIMEVAR (TV_TREE_STMT_VERIFY      , "tree STMT verifier")
 205 DEFTIMEVAR (TV_TREE_SWITCH_CONVERSION, "tree switch conversion")
 206 DEFTIMEVAR (TV_TRANS_MEM             , "transactional memory")
 207 DEFTIMEVAR (TV_TREE_STRLEN           , "tree strlen optimization")
 208 DEFTIMEVAR (TV_CGRAPH_VERIFY         , "callgraph verifier")
 209 DEFTIMEVAR (TV_DOM_FRONTIERS         , "dominance frontiers")
 210 DEFTIMEVAR (TV_DOMINANCE             , "dominance computation")
 211 DEFTIMEVAR (TV_CONTROL_DEPENDENCES   , "control dependences")
 212 DEFTIMEVAR (TV_OUT_OF_SSA            , "out of ssa")
 213 DEFTIMEVAR (TV_VAR_EXPAND            , "expand vars")
 214 DEFTIMEVAR (TV_EXPAND                , "expand")
 215 DEFTIMEVAR (TV_POST_EXPAND           , "post expand cleanups")
 216 DEFTIMEVAR (TV_VARCONST              , "varconst")
 217 DEFTIMEVAR (TV_LOWER_SUBREG          , "lower subreg")
 218 DEFTIMEVAR (TV_JUMP                  , "jump")
 219 DEFTIMEVAR (TV_FWPROP                , "forward prop")
 220 DEFTIMEVAR (TV_CSE                   , "CSE")
 221 DEFTIMEVAR (TV_DCE                   , "dead code elimination")
 222 DEFTIMEVAR (TV_DSE1                  , "dead store elim1")
 223 DEFTIMEVAR (TV_DSE2                  , "dead store elim2")
 224 DEFTIMEVAR (TV_LOOP                  , "loop analysis")
 225 DEFTIMEVAR (TV_LOOP_INIT             , "loop init")
 226 DEFTIMEVAR (TV_LOOP_MOVE_INVARIANTS  , "loop invariant motion")
 227 DEFTIMEVAR (TV_LOOP_UNROLL           , "loop unrolling")
 228 DEFTIMEVAR (TV_LOOP_DOLOOP           , "loop doloop")
 229 DEFTIMEVAR (TV_LOOP_FINI             , "loop fini")
 230 DEFTIMEVAR (TV_CPROP                 , "CPROP")
 231 DEFTIMEVAR (TV_PRE                   , "PRE")
 232 DEFTIMEVAR (TV_HOIST                 , "code hoisting")
 233 DEFTIMEVAR (TV_LSM                   , "LSM")
 234 DEFTIMEVAR (TV_TRACER                , "tracer")
 235 DEFTIMEVAR (TV_WEB                   , "web")
 236 DEFTIMEVAR (TV_AUTO_INC_DEC          , "auto inc dec")
 237 DEFTIMEVAR (TV_CSE2                  , "CSE 2")
 238 DEFTIMEVAR (TV_BRANCH_PROB           , "branch prediction")
 239 DEFTIMEVAR (TV_COMBINE               , "combiner")
 240 DEFTIMEVAR (TV_IFCVT                 , "if-conversion")
 241 DEFTIMEVAR (TV_MODE_SWITCH           , "mode switching")
 242 DEFTIMEVAR (TV_SMS                   , "sms modulo scheduling")
 243 DEFTIMEVAR (TV_LIVE_RANGE_SHRINKAGE  , "live range shrinkage")
 244 DEFTIMEVAR (TV_SCHED                 , "scheduling")
 245 DEFTIMEVAR (TV_IRA                   , "integrated RA")
 246 DEFTIMEVAR (TV_LRA                   , "LRA non-specific")
 247 DEFTIMEVAR (TV_LRA_ELIMINATE         , "LRA virtuals elimination")
 248 DEFTIMEVAR (TV_LRA_INHERITANCE       , "LRA reload inheritance")
 249 DEFTIMEVAR (TV_LRA_CREATE_LIVE_RANGES, "LRA create live ranges")
 250 DEFTIMEVAR (TV_LRA_ASSIGN            , "LRA hard reg assignment")
 251 DEFTIMEVAR (TV_LRA_COALESCE          , "LRA coalesce pseudo regs")
 252 DEFTIMEVAR (TV_LRA_REMAT             , "LRA rematerialization")
 253 DEFTIMEVAR (TV_RELOAD                , "reload")
 254 DEFTIMEVAR (TV_RELOAD_CSE_REGS       , "reload CSE regs")
 255 DEFTIMEVAR (TV_GCSE_AFTER_RELOAD     , "load CSE after reload")
 256 DEFTIMEVAR (TV_REE                   , "ree")
 257 DEFTIMEVAR (TV_THREAD_PROLOGUE_AND_EPILOGUE, "thread pro- & epilogue")
 258 DEFTIMEVAR (TV_IFCVT2                , "if-conversion 2")
 259 DEFTIMEVAR (TV_SPLIT_PATHS           , "split paths")
 260 DEFTIMEVAR (TV_COMBINE_STACK_ADJUST  , "combine stack adjustments")
 261 DEFTIMEVAR (TV_PEEPHOLE2             , "peephole 2")
 262 DEFTIMEVAR (TV_RENAME_REGISTERS      , "rename registers")
 263 DEFTIMEVAR (TV_SCHED_FUSION          , "scheduling fusion")
 264 DEFTIMEVAR (TV_CPROP_REGISTERS       , "hard reg cprop")
 265 DEFTIMEVAR (TV_SCHED2                , "scheduling 2")
 266 DEFTIMEVAR (TV_MACH_DEP              , "machine dep reorg")
 267 DEFTIMEVAR (TV_DBR_SCHED             , "delay branch sched")
 268 DEFTIMEVAR (TV_REORDER_BLOCKS        , "reorder blocks")
 269 DEFTIMEVAR (TV_SHORTEN_BRANCH        , "shorten branches")
 270 DEFTIMEVAR (TV_REG_STACK             , "reg stack")
 271 DEFTIMEVAR (TV_FINAL                 , "final")
 272 DEFTIMEVAR (TV_VAROUT                , "variable output")
 273 DEFTIMEVAR (TV_SYMOUT                , "symout")
 274 DEFTIMEVAR (TV_VAR_TRACKING          , "variable tracking")
 275 DEFTIMEVAR (TV_VAR_TRACKING_DATAFLOW , "var-tracking dataflow")
 276 DEFTIMEVAR (TV_VAR_TRACKING_EMIT     , "var-tracking emit")
 277 DEFTIMEVAR (TV_TREE_IFCOMBINE        , "tree if-combine")
 278 DEFTIMEVAR (TV_TREE_UNINIT           , "uninit var analysis")
 279 DEFTIMEVAR (TV_PLUGIN_INIT           , "plugin initialization")
 280 DEFTIMEVAR (TV_PLUGIN_RUN            , "plugin execution")
 281 DEFTIMEVAR (TV_GIMPLE_SLSR           , "straight-line strength reduction")
 282 DEFTIMEVAR (TV_VTABLE_VERIFICATION   , "vtable verification")
 283 DEFTIMEVAR (TV_TREE_UBSAN            , "tree ubsan")
 284 DEFTIMEVAR (TV_INITIALIZE_RTL        , "initialize rtl")
 285 DEFTIMEVAR (TV_GIMPLE_LADDRESS       , "address lowering")
 286
 287 /* Everything else in rest_of_compilation not included above.  */
 288 DEFTIMEVAR (TV_EARLY_LOCAL           , "early local passes")
 289 DEFTIMEVAR (TV_OPTIMIZE              , "unaccounted optimizations")
 290 DEFTIMEVAR (TV_REST_OF_COMPILATION   , "rest of compilation")
 291 DEFTIMEVAR (TV_POSTRELOAD            , "unaccounted post reload")
 292 DEFTIMEVAR (TV_LATE_COMPILATION      , "unaccounted late compilation")
 293 DEFTIMEVAR (TV_REMOVE_UNUSED         , "remove unused locals")
 294 DEFTIMEVAR (TV_ADDRESS_TAKEN         , "address taken")
 295 DEFTIMEVAR (TV_TODO                  , "unaccounted todo")
 296 DEFTIMEVAR (TV_VERIFY_LOOP_CLOSED    , "verify loop closed")
 297 DEFTIMEVAR (TV_VERIFY_RTL_SHARING    , "verify RTL sharing")
 298 DEFTIMEVAR (TV_REBUILD_FREQUENCIES   , "rebuild frequencies")
 299 DEFTIMEVAR (TV_REPAIR_LOOPS          , "repair loop structures")
 300
 301 /* Stuff used by libgccjit.so.  */
 302 DEFTIMEVAR (TV_JIT_REPLAY            , "replay of JIT client activity")
 303 DEFTIMEVAR (TV_ASSEMBLE      , "assemble JIT code")
 304 DEFTIMEVAR (TV_LINK                  , "link JIT code")
 305 DEFTIMEVAR (TV_LOAD                  , "load JIT result")
 306 DEFTIMEVAR (TV_JIT_ACQUIRING_MUTEX   , "acquiring JIT mutex")
 307 DEFTIMEVAR (TV_JIT_CLIENT_CODE   , "JIT client code")