mirror of
https://github.com/mozilla/gecko-dev.git
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441 lines
9.9 KiB
C
441 lines
9.9 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#define FORCE_PR_LOG /* So that this works in an optimized build */
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#include "mkutils.h"
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#include "mktrace.h"
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#include "timing.h"
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#include "prprf.h"
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#include "plstr.h"
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#include "prlog.h"
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#include "prsystem.h"
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#include "prtime.h"
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#include "plhash.h"
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/* If you want to trace netlib, set this to 1, or use CTRL-ALT-T
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* stroke (preferred method) to toggle it on and off */
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int MKLib_trace_flag=0;
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PUBLIC void NET_ToggleTrace(void) {
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if(MKLib_trace_flag)
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MKLib_trace_flag = 0;
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else
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MKLib_trace_flag = 1;
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}
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/* Map netlib trace messages into nspr logger so that they are
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* thread safe. */
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#if defined(DEBUG) || defined(NETLIB_TRACE_ON)
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PRLogModuleInfo* NETLIB=NULL;
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/* Used by NET_NTrace() */
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PRIVATE void net_Trace(char *msg) {
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/* Only trace if the user explicitly told us to. */
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if(MKLib_trace_flag) {
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/* PR_LogPrint prints to stderr which doesn't exist in a windows app.
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* Use the win32 routine OutputDebugString to get text to goto the
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* debug console. */
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#if defined(WIN32) && defined(DEBUG)
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OutputDebugString(msg);
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OutputDebugString("\n");
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#else
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PR_LogPrint(msg);
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#endif
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} else {
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PR_LOG(NETLIB, PR_LOG_ALWAYS, (msg));
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}
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}
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/* Called to trace a message */
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void NET_NTrace(char *msg, int32 length) {
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char * new_string = PR_Malloc(length+1);
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if(!new_string)
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return;
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strncpy(new_string, msg, length);
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new_string[length] = '\0';
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net_Trace(new_string);
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FREE(new_string);
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}
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/* #define'd in mktrace.h to TRACEMSG */
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void ns_MK_TraceMsg(char *fmt, ...) {
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va_list ap;
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char buf[512];
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va_start(ap, fmt);
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PR_vsnprintf(buf, sizeof(buf), fmt, ap);
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net_Trace(buf);
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}
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#endif /* DEBUG || NETLIB_TRACE_ON */
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/************************************************
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*
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* Runtime performance tracing stubs.
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*
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*/
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static PRLogModuleInfo* gTimingLog = NULL;
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static const char* gTimingModuleName = "nsTiming";
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/**
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* Rev this if the output format changes significantly
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*/
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#define TIMING_VERSION 0x10000
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/**
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* Ensure that the log module actually exists before trying to use it.
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* @return <tt>FALSE</tt> if something goes wrong.
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*/
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static PRBool
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EnsureLogModule(void)
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{
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if (gTimingLog == NULL) {
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if ((gTimingLog = PR_NewLogModule(gTimingModuleName)) == NULL)
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return PR_FALSE;
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/* _On_ to start with -- if the env is set up */
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gTimingLog->level = PR_LOG_NOTICE;
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{
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/* Dump the session info */
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char hostname[SYS_INFO_BUFFER_LENGTH];
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char sysname[SYS_INFO_BUFFER_LENGTH];
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char release[SYS_INFO_BUFFER_LENGTH];
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char arch[SYS_INFO_BUFFER_LENGTH];
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if (PR_GetSystemInfo(PR_SI_HOSTNAME, hostname, sizeof(hostname)) != PR_SUCCESS)
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hostname[0] = '\0';
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if (PR_GetSystemInfo(PR_SI_SYSNAME, sysname, sizeof(sysname)) != PR_SUCCESS)
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sysname[0] = '\0';
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/* PR_SI_RELEASE only works for unix and it will still return success. */
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#ifdef XP_UNIX
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if (PR_GetSystemInfo(PR_SI_RELEASE, release, sizeof(release)) != PR_SUCCESS)
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release[0] = '\0';
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#else
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release[0] = '\0';
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#endif
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if (PR_GetSystemInfo(PR_SI_ARCHITECTURE, arch, sizeof(arch)) != PR_SUCCESS)
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arch[0] = '\0';
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TimingWriteMessage("begin-session,%08x,%s,%s,%s,%s,%s,%ld",
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TIMING_VERSION, hostname, sysname,
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release, arch,
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#ifdef DEBUG
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"debug",
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#else
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"opt",
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#endif
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0 /* XXX build number */
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);
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}
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}
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return (gTimingLog != NULL) ? PR_TRUE : PR_FALSE;
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}
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/**
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* Write a message to the log. You should use the TIMING_MSG() macro,
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* rather than calling this directly.
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*/
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PR_IMPLEMENT(void)
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TimingWriteMessage(const char* fmtstr, ...)
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{
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char line[256];
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va_list ap;
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PRUint32 nb;
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if (! EnsureLogModule())
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return;
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if (gTimingLog->level == PR_LOG_NONE)
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return;
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{
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PRExplodedTime now;
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PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &now);
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/* Print out "YYYYMMDD.HHMMSS.UUUUUU: " */
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nb = PR_snprintf(line, sizeof(line) - 1,
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"%04d%02d%02d.%02d%02d%02d.%06d: ",
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now.tm_year, now.tm_month + 1, now.tm_mday,
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now.tm_hour, now.tm_min, now.tm_sec,
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now.tm_usec);
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}
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/* ...followed by the "real" message */
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va_start(ap, fmtstr);
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nb += PR_vsnprintf(line + nb, sizeof(line) - nb - 1, fmtstr, ap);
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PR_LOG(gTimingLog, PR_LOG_NOTICE, ("%s", line));
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}
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/**
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* Enable or disable the timing log.
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*/
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PR_IMPLEMENT(void)
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TimingSetEnabled(PRBool enabled)
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{
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if (! EnsureLogModule())
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return;
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if (enabled) {
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if (gTimingLog->level == PR_LOG_NONE) {
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gTimingLog->level = PR_LOG_NOTICE;
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TimingWriteMessage("(tracing enabled)");
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}
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} else {
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if (gTimingLog->level != PR_LOG_NONE) {
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TimingWriteMessage("(tracing disabled)");
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gTimingLog->level = PR_LOG_NONE;
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}
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}
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}
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/**
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* Query whether the timing log is enabled.
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*/
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PR_IMPLEMENT(PRBool)
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TimingIsEnabled(void)
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{
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if (! EnsureLogModule())
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return PR_FALSE;
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return (gTimingLog->level == PR_LOG_NONE) ? PR_FALSE : PR_TRUE;
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}
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/*************************************************************************
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*
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* Clocking functions
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*
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*/
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/*
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* Allocation routines
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*/
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static PR_CALLBACK void*
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_timingClockAllocTable(void* pool, PRSize size)
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{
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return PR_MALLOC(size);
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}
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static PR_CALLBACK void
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_timingClockFreeTable(void* pool, void* item)
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{
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PR_DELETE(item);
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}
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static PR_CALLBACK PLHashEntry*
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_timingClockAllocEntry(void* pool, const void* key)
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{
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return PR_NEW(PLHashEntry);
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}
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static PR_CALLBACK void
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_timingClockFreeEntry(void* pool, PLHashEntry* he, PRUintn flag)
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{
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if (flag == HT_FREE_VALUE) {
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if (he->value)
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PR_DELETE(he->value);
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}
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else if (flag == HT_FREE_ENTRY) {
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if (he->key)
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PL_strfree((char*) he->key);
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if (he->value)
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PR_DELETE(he->value);
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PR_DELETE(he);
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}
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}
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static PLHashAllocOps _timingClockAllocOps = {
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_timingClockAllocTable,
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_timingClockFreeTable,
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_timingClockAllocEntry,
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_timingClockFreeEntry
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};
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/**
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* The initial size of the clock table
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*/
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#define CLOCK_TABLE_INIT_SIZE 13
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/**
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* The clock table.
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*/
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static PLHashTable *_timingClockTable = NULL;
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/**
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* Ensure that the clock table exists and is initialized.
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*/
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static PRBool
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EnsureTimingTable()
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{
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if (! _timingClockTable) {
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_timingClockTable =
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PL_NewHashTable(CLOCK_TABLE_INIT_SIZE,
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PL_HashString,
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PL_CompareStrings,
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PL_CompareValues,
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&_timingClockAllocOps,
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NULL);
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}
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return (_timingClockTable != NULL);
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}
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/**
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* Start a clock
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*/
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PR_IMPLEMENT(void)
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TimingStartClock(const char* clock)
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{
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char* key = NULL;
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PRTime* value = NULL;
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if (! TimingIsEnabled())
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return;
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if (! EnsureTimingTable())
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return;
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if (PL_HashTableLookup(_timingClockTable, clock) != NULL)
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/* The clock is already running... */
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return;
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if ((key = PL_strdup(clock)) == NULL)
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goto error;
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if ((value = PR_NEW(PRTime)) == NULL)
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goto error;
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*value = PR_Now();
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PL_HashTableAdd(_timingClockTable, key, value);
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return;
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error:
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if (key)
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PL_strfree(key);
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PR_DELETE(value);
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}
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PR_EXTERN(PRBool)
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TimingStopClock(PRTime* result, const char* clock)
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{
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PRTime* start;
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PRTime stop = PR_Now();
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if (! TimingIsEnabled())
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return PR_FALSE;
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if (! EnsureTimingTable())
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return PR_FALSE;
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if ((start = PL_HashTableLookup(_timingClockTable, clock)) != NULL) {
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if (result != NULL)
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LL_SUB(*result, stop, *start);
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PL_HashTableRemove(_timingClockTable, clock);
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return PR_TRUE;
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} else {
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*result = LL_ZERO;
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return PR_FALSE;
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}
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}
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PR_EXTERN(PRBool)
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TimingIsClockRunning(const char* clock)
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{
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if (! TimingIsEnabled())
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return PR_FALSE;
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if (! EnsureTimingTable())
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return PR_FALSE;
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if (PL_HashTableLookup(_timingClockTable, clock) != NULL) {
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return PR_TRUE;
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} else {
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return PR_FALSE;
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}
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}
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PR_EXTERN(char*)
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TimingElapsedTimeToString(PRTime time, char* buffer, PRUint32 size)
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{
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PRTime tmUSec;
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PRTime tmSec;
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PRTime tmMin;
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{
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PRTime n;
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LL_UI2L(n, 1000000L);
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LL_MOD(tmUSec, time, n);
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LL_DIV(time, time, n);
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}
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{
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PRTime n;
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LL_UI2L(n, 60L);
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LL_MOD(tmSec, time, n);
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LL_DIV(time, time, n);
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LL_MOD(tmMin, time, n);
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LL_DIV(time, time, n);
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}
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{
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PRUint32 nHours;
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PRUint32 nMin;
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PRUint32 nSec;
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PRUint32 nUSec;
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LL_L2UI(nHours, time);
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LL_L2UI(nMin, tmMin);
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LL_L2UI(nSec, tmSec);
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LL_L2UI(nUSec, tmUSec);
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/* Print out "HHMMSS.UUUUUU" */
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PR_snprintf(buffer, size, "%02d%02d%02d.%06d",
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nHours, nMin, nSec, nUSec);
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}
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return buffer;
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}
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