#include <stdint.h>
#include <stdio.h>
-#include <ust/kernelcompat.h>
#define _LGPL_SOURCE
#include <urcu-bp.h>
#include <urcu/rculist.h>
+#include <ust/core.h>
+#include <ust/clock.h>
#include "buffers.h"
#include "tracer.h"
-//#include "list.h"
#include "usterr.h"
#include "ust_snprintf.h"
LTT_TYPE_NONE,
};
-static int ust_get_cpu(void)
-{
- return sched_getcpu();
-}
-
#define LTT_ATTRIBUTE_NETWORK_BYTE_ORDER (1<<1)
/*
return;
rcu_read_lock(); //ust// rcu_read_lock_sched_notrace();
-//ust// cpu = smp_processor_id();
cpu = ust_get_cpu();
-//ust// __get_cpu_var(ltt_nesting)++;
- /* FIXME: should nesting be per-cpu? */
- ltt_nesting++;
+
+ /* Force volatile access. */
+ STORE_SHARED(ltt_nesting, LOAD_SHARED(ltt_nesting) + 1);
+ barrier();
pdata = (struct ltt_active_marker *)probe_data;
eID = mdata->event_id;
}
/* reserve space : header and data */
- ret = ltt_reserve_slot(trace, channel, &transport_data,
- data_size, &slot_size, &buf_offset,
- &tsc, &rflags,
- largest_align, cpu);
+ ret = ltt_reserve_slot(channel, trace, data_size, largest_align,
+ cpu, &buf, &slot_size, &buf_offset,
+ &tsc, &rflags);
if (unlikely(ret < 0))
continue; /* buffer full */
//ust// buf = ((struct rchan *)channel->trans_channel_data)->buf[cpu];
buf = channel->buf[cpu];
/* Out-of-order write : header and data */
- buf_offset = ltt_write_event_header(trace,
- channel, buf, buf_offset,
+ buf_offset = ltt_write_event_header(channel, buf, buf_offset,
eID, data_size, tsc, rflags);
ltt_write_event_data(buf, buf_offset, &closure,
serialize_private,
va_end(args_copy);
/* Out-of-order commit */
ltt_commit_slot(channel, buf, buf_offset, data_size, slot_size);
- DBG("just commited event at offset %ld and size %zd", buf_offset, slot_size);
+ DBG("just commited event (%s/%s) at offset %ld and size %zd", mdata->channel, mdata->name, buf_offset, slot_size);
}
-//ust// __get_cpu_var(ltt_nesting)--;
- ltt_nesting--;
+
+ barrier();
+ STORE_SHARED(ltt_nesting, LOAD_SHARED(ltt_nesting) - 1);
+
rcu_read_unlock(); //ust// rcu_read_unlock_sched_notrace();
}