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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "trace-cmd.h"
static int call_site_handler(struct trace_seq *s, struct record *record,
struct event_format *event)
{
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);
pevent_register_event_handler(pevent, -1, "kmem", "kmalloc",
call_site_handler);
pevent_register_event_handler(pevent, -1, "kmem", "kmalloc_node",
call_site_handler);
pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_alloc",
call_site_handler);
pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_alloc_node",
call_site_handler);
pevent_register_event_handler(pevent, -1, "kmem", "kfree",
call_site_handler);
pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_free",
call_site_handler);
return 0;
}
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