95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
|
|
* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation;
|
|
* version 2.1 of the License (not later!)
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this program; if not, see <http://www.gnu.org/licenses>
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "event-parse.h"
|
|
|
|
static int call_site_handler(struct trace_seq *s, struct pevent_record *record,
|
|
struct event_format *event, void *context)
|
|
{
|
|
struct format_field *field;
|
|
unsigned long long val, addr;
|
|
void *data = record->data;
|
|
const char *func;
|
|
|
|
field = pevent_find_field(event, "call_site");
|
|
if (!field)
|
|
return 1;
|
|
|
|
if (pevent_read_number_field(field, data, &val))
|
|
return 1;
|
|
|
|
func = pevent_find_function(event->pevent, val);
|
|
if (!func)
|
|
return 1;
|
|
|
|
addr = pevent_find_function_address(event->pevent, val);
|
|
|
|
trace_seq_printf(s, "(%s+0x%x) ", func, (int)(val - addr));
|
|
return 1;
|
|
}
|
|
|
|
int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
|
|
{
|
|
pevent_register_event_handler(pevent, -1, "kmem", "kfree",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_register_event_handler(pevent, -1, "kmem", "kmalloc",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_register_event_handler(pevent, -1, "kmem", "kmalloc_node",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_alloc",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_register_event_handler(pevent, -1, "kmem",
|
|
"kmem_cache_alloc_node",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_free",
|
|
call_site_handler, NULL);
|
|
return 0;
|
|
}
|
|
|
|
void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
|
|
{
|
|
pevent_unregister_event_handler(pevent, -1, "kmem", "kfree",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_unregister_event_handler(pevent, -1, "kmem", "kmalloc",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_unregister_event_handler(pevent, -1, "kmem", "kmalloc_node",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_unregister_event_handler(pevent, -1, "kmem", "kmem_cache_alloc",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_unregister_event_handler(pevent, -1, "kmem",
|
|
"kmem_cache_alloc_node",
|
|
call_site_handler, NULL);
|
|
|
|
pevent_unregister_event_handler(pevent, -1, "kmem", "kmem_cache_free",
|
|
call_site_handler, NULL);
|
|
}
|