void leaky::open()
{
LoadMap();
setupSymbols(progFile);
// open up the log file
mappedLogFile = ::open(logFile, O_RDONLY);
if (mappedLogFile < 0) {
perror("open");
exit(-1);
}
off_t size;
firstLogEntry = (malloc_log_entry*) mapFile(mappedLogFile, PROT_READ, &size);
lastLogEntry = (malloc_log_entry*)((char*)firstLogEntry + size);
analyze();
exit(0);
}
void leaky::open(char *logFile)
{
int threadArray[100]; // should auto-expand
int last_thread = -1;
int numThreads = 0;
int section = -1;
bool collecting = false;
LoadMap();
setupSymbols(progFile);
// open up the log file
if (mappedLogFile)
::close(mappedLogFile);
mappedLogFile = ::open(logFile, O_RDONLY);
if (mappedLogFile < 0) {
perror("open");
exit(-1);
}
off_t size;
firstLogEntry = (malloc_log_entry*) mapFile(mappedLogFile, PROT_READ, &size);
lastLogEntry = (malloc_log_entry*)((char*)firstLogEntry + size);
if (!collect_last || collect_start < 0) {
collecting = true;
}
// First, restrict it to the capture sections specified (all, last, start/end)
// This loop walks through all the call stacks we recorded
for (malloc_log_entry* lep=firstLogEntry;
lep < lastLogEntry;
lep = reinterpret_cast<malloc_log_entry*>(&lep->pcs[lep->numpcs])) {
if (lep->flags & JP_FIRST_AFTER_PAUSE) {
section++;
if (collect_last) {
firstLogEntry = lep;
numThreads = 0;
collecting = true;
}
if (collect_start == section) {
collecting = true;
firstLogEntry = lep;
}
if (collect_end == section) {
collecting = false;
lastLogEntry = lep;
}
if (!quiet)
fprintf(stderr,"New section %d: first=%p, last=%p, collecting=%d\n",
section,(void*)firstLogEntry,(void*)lastLogEntry,collecting);
}
// Capture thread info at the same time
// Find all the threads captured
// pthread/linux docs say the signal can be delivered to any thread in
// the process. In practice, it appears in Linux that it's always
// delivered to the thread that called setitimer(), and each thread can
// have a separate itimer. There's a support library for gprof that
// overlays pthread_create() to set timers in any threads you spawn.
if (showThreads && collecting) {
if (lep->thread != last_thread)
{
int i;
for (i=0; i<numThreads; i++)
{
if (lep->thread == threadArray[i])
break;
}
if (i == numThreads &&
i < (int) (sizeof(threadArray)/sizeof(threadArray[0])))
{
threadArray[i] = lep->thread;
numThreads++;
if (!quiet)
fprintf(stderr,"new thread %d\n",lep->thread);
}
}
}
}
if (!quiet)
fprintf(stderr,"Done collecting: sections %d: first=%p, last=%p, numThreads=%d\n",
section,(void*)firstLogEntry,(void*)lastLogEntry,numThreads);
if (!cleo) {
fprintf(outputfd,"<html><head><title>Jprof Profile Report</title></head><body>\n");
fprintf(outputfd,"<h1><center>Jprof Profile Report</center></h1>\n");
}
if (showThreads)
{
fprintf(stderr,"Num threads %d\n",numThreads);
if (!cleo) {
fprintf(outputfd,"<hr>Threads:<p><pre>\n");
for (int i=0; i<numThreads; i++)
{
fprintf(outputfd," <a href=\"#thread_%d\">%d</a> ",
threadArray[i],threadArray[i]);
if ((i+1)%10 == 0)
fprintf(outputfd,"<br>\n");
}
fprintf(outputfd,"</pre>");
}
for (int i=0; i<numThreads; i++)
{
if (!onlyThread || onlyThread == threadArray[i])
analyze(threadArray[i]);
}
}
else
{
analyze(0);
}
if (!cleo)
fprintf(outputfd,"</pre></body></html>\n");
}
void leaky::open()
{
int threadArray[100]; // should auto-expand
int last_thread = -1;
int numThreads=0;
LoadMap();
setupSymbols(progFile);
// open up the log file
mappedLogFile = ::open(logFile, O_RDONLY);
if (mappedLogFile < 0) {
perror("open");
exit(-1);
}
off_t size;
firstLogEntry = (malloc_log_entry*) mapFile(mappedLogFile, PROT_READ, &size);
lastLogEntry = (malloc_log_entry*)((char*)firstLogEntry + size);
fprintf(stdout,"<html><head><title>Jprof Profile Report</title></head><body>\n");
fprintf(stdout,"<h1><center>Jprof Profile Report</center></h1>\n");
if (showThreads)
{
// Find all the threads captured
// pthread/linux docs say the signal can be delivered to any thread in
// the process. In practice, it appears in Linux that it's always
// delivered to the thread that called setitimer(), and each thread can
// have a separate itimer. There's a support library for gprof that
// overlays pthread_create() to set timers in any threads you spawn.
// This loop walks through all the call stacks we recorded
for (malloc_log_entry* lep=firstLogEntry;
lep < lastLogEntry;
lep = reinterpret_cast<malloc_log_entry*>(&lep->pcs[lep->numpcs])) {
if (lep->thread != last_thread)
{
int i;
for (i=0; i<numThreads; i++)
{
if (lep->thread == threadArray[i])
break;
}
if (i == numThreads &&
i < (int) (sizeof(threadArray)/sizeof(threadArray[0])))
{
threadArray[i] = lep->thread;
numThreads++;
fprintf(stderr,"new thread %d\n",lep->thread);
}
}
}
fprintf(stderr,"Num threads %d\n",numThreads);
fprintf(stdout,"<hr>Threads:<p><pre>\n");
for (int i=0; i<numThreads; i++)
{
fprintf(stdout," <a href=\"thread_%d\">%d</a><p>\n",
threadArray[i],threadArray[i]);
}
fprintf(stdout,"</pre><hr>");
for (int i=0; i<numThreads; i++)
{
analyze(threadArray[i]);
}
}
else
{
analyze(0);
}
fprintf(stdout,"</pre></body></html>\n");
exit(0);
}
