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add some basic statistics to task.c

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This commit is contained in:
Michael Graff 2007-01-03 20:23:46 +00:00
parent 3730232147
commit 69da4348da
2 changed files with 94 additions and 2 deletions
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11
lib/isc/include/isc/task.h
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@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: task.h,v 1.55 2006/12/22 01:59:43 marka Exp $ */
/* $Id: task.h,v 1.56 2007/01/03 20:23:46 explorer Exp $ */
#ifndef ISC_TASK_H
#define ISC_TASK_H 1
@ -84,6 +84,7 @@
#include <isc/lang.h>
#include <isc/stdtime.h>
#include <isc/types.h>
#include <isc/xml.h>
#define ISC_TASKEVENT_FIRSTEVENT (ISC_EVENTCLASS_TASK + 0)
#define ISC_TASKEVENT_SHUTDOWN (ISC_EVENTCLASS_TASK + 1)
@ -611,6 +612,14 @@ isc_taskmgr_destroy(isc_taskmgr_t **managerp);
* have been freed.
*/
#ifdef HAVE_LIBXML2
void
isc_taskmgr_renderxml(isc_taskmgr_t *mgr, xmlTextWriterPtr writer);
/*%<
* Render internal statistics and other state into the XML document.
*/
#endif /* HAVE_LIBXML2 */
ISC_LANG_ENDDECLS
#endif /* ISC_TASK_H */

85
lib/isc/task.c
View File

@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: task.c,v 1.97 2006/01/04 23:50:24 marka Exp $ */
/* $Id: task.c,v 1.98 2007/01/03 20:23:46 explorer Exp $ */
/*! \file
* \author Principal Author: Bob Halley
@ -67,6 +67,10 @@ typedef enum {
task_state_done
} task_state_t;
static const char *statenames[] = {
"idle", "ready", "running", "done",
};
#define TASK_MAGIC ISC_MAGIC('T', 'A', 'S', 'K')
#define VALID_TASK(t) ISC_MAGIC_VALID(t, TASK_MAGIC)
@ -1296,3 +1300,82 @@ isc_task_endexclusive(isc_task_t *task) {
UNUSED(task);
#endif
}
#ifdef HAVE_LIBXML2
void
isc_taskmgr_renderxml(isc_taskmgr_t *mgr, xmlTextWriterPtr writer)
{
isc_task_t *task;
LOCK(&mgr->lock);
/*
* Write out the thread-model, and some details about each depending
* on which type is enabled.
*/
xmlTextWriterStartElement(writer, ISC_XMLCHAR "thread-model");
#ifdef ISC_PLATFORM_USETHREADS
xmlTextWriterStartElement(writer, ISC_XMLCHAR "type");
xmlTextWriterWriteString(writer, ISC_XMLCHAR "threaded");
xmlTextWriterEndElement(writer); /* type */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "worker-threads");
xmlTextWriterWriteFormatString(writer, "%d", mgr->workers);
xmlTextWriterEndElement(writer); /* worker-threads */
#else /* ISC_PLATFORM_USETHREADS */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "type");
xmlTextWriterWriteString(writer, ISC_XMLCHAR "non-threaded");
xmlTextWriterEndElement(writer); /* type */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "references");
xmlTextWriterWriteFormatString(writer, "%d", mgr->refs);
xmlTextWriterEndElement(writer); /* references */
#endif /* ISC_PLATFORM_USETHREADS */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "default-quantum");
xmlTextWriterWriteFormatString(writer, "%d", mgr->default_quantum);
xmlTextWriterEndElement(writer); /* default-quantum */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "tasks-running");
xmlTextWriterWriteFormatString(writer, "%d", mgr->tasks_running);
xmlTextWriterEndElement(writer); /* tasks-running */
xmlTextWriterEndElement(writer); /* thread-model */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "tasks");
task = ISC_LIST_HEAD(mgr->tasks);
while (task != NULL) {
LOCK(&task->lock);
xmlTextWriterStartElement(writer, ISC_XMLCHAR "task");
if (task->name[0] != 0) {
xmlTextWriterStartElement(writer, ISC_XMLCHAR "name");
xmlTextWriterWriteFormatString(writer, "%s",
task->name);
xmlTextWriterEndElement(writer); /* name */
}
xmlTextWriterStartElement(writer, ISC_XMLCHAR "references");
xmlTextWriterWriteFormatString(writer, "%d", task->references);
xmlTextWriterEndElement(writer); /* references */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "state");
xmlTextWriterWriteFormatString(writer, "%s",
statenames[task->state]);
xmlTextWriterEndElement(writer); /* state */
xmlTextWriterStartElement(writer, ISC_XMLCHAR "quantum");
xmlTextWriterWriteFormatString(writer, "%d", task->quantum);
xmlTextWriterEndElement(writer); /* quantum */
xmlTextWriterEndElement(writer);
UNLOCK(&task->lock);
task = ISC_LIST_NEXT(task, link);
}
xmlTextWriterEndElement(writer); /* tasks */
UNLOCK(&mgr->lock);
}
#endif /* HAVE_LIBXML2 */