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: 2012-06-02 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         8721608 :     static inline int64_t now() {
      99         8721608 :         return PRMJ_Now();
     100                 :     }
     101                 : 
     102         4363436 :     inline void start() {
     103         4363436 :         t_start = now();
     104         4363436 :     }
     105                 : 
     106         4358172 :     inline void stop() {
     107         4358172 :         t_stop = now();
     108         4358172 :     }
     109                 : 
     110         4229345 :     inline uint32_t time_ms() {
     111         4229345 :         return uint32_t((t_stop - t_start) / PRMJ_USEC_PER_MSEC);
     112                 :     }
     113                 : 
     114          128827 :     inline uint32_t time_us() {
     115          128827 :         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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