LCOV - app.info - js/src/methodjit/Logging.h

LCOV - code coverage report
| Current view: | directory - js/src/methodjit - Logging.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 12 | 12 | 100.0 %
| Date: | 2012-04-07 | Functions: | 5 | 5 | 100.0 %

           1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
           2                 :  * vim: set ts=4 sw=4 et tw=99:
           3                 :  *
           4                 :  * ***** BEGIN LICENSE BLOCK *****
           5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           6                 :  *
           7                 :  * The contents of this file are subject to the Mozilla Public License Version
           8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           9                 :  * the License. You may obtain a copy of the License at
          10                 :  * http://www.mozilla.org/MPL/
          11                 :  *
          12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          14                 :  * for the specific language governing rights and limitations under the
          15                 :  * License.
          16                 :  *
          17                 :  * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
          18                 :  * May 28, 2008.
          19                 :  *
          20                 :  * The Initial Developer of the Original Code is
          21                 :  *   Brendan Eich <brendan@mozilla.org>
          22                 :  *
          23                 :  * Contributor(s):
          24                 :  *   David Anderson <danderson@mozilla.com>
          25                 :  *   Julian Seward <jseward@acm.org>
          26                 :  *
          27                 :  * Alternatively, the contents of this file may be used under the terms of
          28                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          29                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          31                 :  * of those above. If you wish to allow use of your version of this file only
          32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          33                 :  * use your version of this file under the terms of the MPL, indicate your
          34                 :  * decision by deleting the provisions above and replace them with the notice
          35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          36                 :  * the provisions above, a recipient may use your version of this file under
          37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          38                 :  *
          39                 :  * ***** END LICENSE BLOCK ***** */
          40                 :
          41                 : #if !defined jsjaeger_logging_h__
          42                 : #define jsjaeger_logging_h__
          43                 :
          44                 : #include "assembler/wtf/Platform.h"
          45                 : #include "prmjtime.h"
          46                 :
          47                 : #if defined(JS_METHODJIT) || ENABLE_YARR_JIT
          48                 :
          49                 : namespace js {
          50                 :
          51                 : #define JSPEW_CHAN_MAP(_)   \
          52                 :     _(Abort)                \
          53                 :     _(Scripts)              \
          54                 :     _(Prof)                 \
          55                 :     _(JSOps)                \
          56                 :     _(Insns)                \
          57                 :     _(VMFrame)              \
          58                 :     _(PICs)                 \
          59                 :     _(SlowCalls)            \
          60                 :     _(Analysis)             \
          61                 :     _(Regalloc)             \
          62                 :     _(Inlining)             \
          63                 :     _(Recompile)
          64                 :
          65                 : enum JaegerSpewChannel {
          66                 : #define _(name) JSpew_##name,
          67                 :     JSPEW_CHAN_MAP(_)
          68                 : #undef  _
          69                 :     JSpew_Terminator
          70                 : };
          71                 :
          72                 : #if defined(DEBUG) && !defined(JS_METHODJIT_SPEW)
          73                 : # define JS_METHODJIT_SPEW
          74                 : #endif
          75                 :
          76                 : #if defined(JS_METHODJIT_SPEW)
          77                 :
          78                 : void JMCheckLogging();
          79                 :
          80                 : struct ConditionalLog {
          81                 :     uint32_t oldBits;
          82                 :     bool logging;
          83                 :     ConditionalLog(bool logging);
          84                 :     ~ConditionalLog();
          85                 : };
          86                 :
          87                 : bool IsJaegerSpewChannelActive(JaegerSpewChannel channel);
          88                 : #ifdef __GNUC__
          89                 : void JaegerSpew(JaegerSpewChannel channel, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
          90                 : #else
          91                 : void JaegerSpew(JaegerSpewChannel channel, const char *fmt, ...);
          92                 : #endif
          93                 :
          94                 : struct Profiler {
          95                 :     int64_t t_start;
          96                 :     int64_t t_stop;
          97                 :
          98         2567862 :     static inline int64_t now() {
          99         2567862 :         return PRMJ_Now();
         100                 :     }
         101                 :
         102         1285036 :     inline void start() {
         103         1285036 :         t_start = now();
         104         1285036 :     }
         105                 :
         106         1282826 :     inline void stop() {
         107         1282826 :         t_stop = now();
         108         1282826 :     }
         109                 :
         110         1189174 :     inline uint32_t time_ms() {
         111         1189174 :         return uint32_t((t_stop - t_start) / PRMJ_USEC_PER_MSEC);
         112                 :     }
         113                 :
         114           93652 :     inline uint32_t time_us() {
         115           93652 :         return uint32_t(t_stop - t_start);
         116                 :     }
         117                 : };
         118                 :
         119                 : #else
         120                 :
         121                 : static inline void JaegerSpew(JaegerSpewChannel channel, const char *fmt, ...)
         122                 : {
         123                 : }
         124                 :
         125                 : #endif
         126                 :
         127                 : }
         128                 :
         129                 : #endif
         130                 :
         131                 : #endif
         132                 :

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