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Code Issues Releases Activity

debug support

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This commit is contained in:
dwight 2010-12-24 12:13:26 -05:00
parent d5e6b184cd
commit 0f468fa5c1
2 changed files with 32 additions and 11 deletions
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16
db/dur_commitjob.cpp
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@ -38,12 +38,28 @@ namespace mongo {
}
void Writes::clear() {
dbMutex.assertAtLeastReadLocked();
_alreadyNoted.clear();
_writes.clear();
_ops.clear();
_drained = false;
#if defined(DEBUG_WRITE_INTENT)
cout << "_debug clear\n";
_debug.clear();
#endif
}
#if defined(DEBUG_WRITE_INTENT)
void assertAlreadyDeclared(void *p, int len) {
if( commitJob.wi()._debug[p] >= len )
return;
log() << "assertAlreadyDeclared fails " << (void*)p << " len:" << len << ' ' << commitJob.wi()._debug[p] << endl;
printStackTrace();
abort();
}
#endif
void Writes::_insertWriteIntent(void* p, int len){
WriteIntent wi(p, len);

27
db/dur_commitjob.h
View File

@ -27,6 +27,8 @@
#include "dur.h"
#include "taskqueue.h"
//#define DEBUG_WRITE_INTENT 1
namespace mongo {
namespace dur {
@ -118,10 +120,14 @@ namespace mongo {
/** reset the Writes structure (empties all the above) */
void clear();
/** merges into set */
/** merges into set (ie non-deferred version) */
void _insertWriteIntent(void* p, int len);
void insertWriteIntent(void* p, int len) {
#if defined(DEBUG_WRITE_INTENT)
if( _debug[p] < len )
_debug[p] = len;
#endif
D d;
d.p = p;
d.len = len;
@ -130,9 +136,18 @@ namespace mongo {
#ifdef _DEBUG
WriteIntent _last;
#endif
#if defined(DEBUG_WRITE_INTENT)
map<void*,int> _debug;
#endif
};
#if defined(DEBUG_WRITE_INTENT)
void assertAlreadyDeclared(void *, int len);
#else
void assertAlreadyDeclared(void *, int len) { }
#endif
/** A commit job object for a group commit. Currently there is one instance of this object.
concurrency: assumption is caller is appropriately locking.
@ -198,12 +213,6 @@ namespace mongo {
// inlines
inline void CommitJob::note(void* p, int len) {
#if defined(_DEBUG)
// TEMP?
_wi._last = WriteIntent(p, len);
getDur().debugCheckLastDeclaredWrite();
#endif
// from the point of view of the dur module, it would be fine (i think) to only
// be read locked here. but must be at least read locked to avoid race with
// remapprivateview
@ -236,10 +245,6 @@ namespace mongo {
else {
log() << "DEBUG note write intent " << w.p << ' ' << w.len << " NOT FOUND IN privateViews" << endl;
}
/*if( w.len > 48 ) {
log() << "big TEMP" << endl;
log() << hexdump((char*) w.p, 48) << endl;
}*/
}
else if( n == 10000 ) {
log() << "DEBUG stopping write intent logging, too much to log" << endl;