/*
- * (C) Copyright 2009-2011 -
- * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * lttng-context-perf-counters.c
*
* LTTng performance monitoring counters (perf-counters) integration module.
*
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2009-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library 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; only
+ * version 2.1 of the License.
+ *
+ * This library 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 library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/module.h>
#include <linux/perf_event.h>
#include <linux/list.h>
#include <linux/string.h>
-#include "ltt-events.h"
-#include "wrapper/ringbuffer/frontend_types.h"
-#include "wrapper/vmalloc.h"
-#include "wrapper/perf.h"
-#include "ltt-tracer.h"
+#include <linux/cpu.h>
+#include <lttng-events.h>
+#include <wrapper/ringbuffer/frontend_types.h>
+#include <wrapper/vmalloc.h>
+#include <wrapper/perf.h>
+#include <lttng-tracer.h>
static
size_t perf_counter_get_size(size_t offset)
{
size_t size = 0;
- size += lib_ring_buffer_align(offset, ltt_alignof(uint64_t));
+ size += lib_ring_buffer_align(offset, lttng_alignof(uint64_t));
size += sizeof(uint64_t);
return size;
}
static
void perf_counter_record(struct lttng_ctx_field *field,
struct lib_ring_buffer_ctx *ctx,
- struct ltt_channel *chan)
+ struct lttng_channel *chan)
{
struct perf_event *event;
uint64_t value;
*/
value = 0;
}
- lib_ring_buffer_align_ctx(ctx, ltt_alignof(value));
+ lib_ring_buffer_align_ctx(ctx, lttng_alignof(value));
chan->ops->event_write(ctx, &value, sizeof(value));
}
* soon).
*/
static
-int __cpuinit lttng_perf_counter_cpu_hp_callback(struct notifier_block *nb,
+int lttng_perf_counter_cpu_hp_callback(struct notifier_block *nb,
unsigned long action,
void *hcpu)
{
field->event_field.name = name_alloc;
field->event_field.type.atype = atype_integer;
field->event_field.type.u.basic.integer.size = sizeof(uint64_t) * CHAR_BIT;
- field->event_field.type.u.basic.integer.alignment = ltt_alignof(uint64_t) * CHAR_BIT;
- field->event_field.type.u.basic.integer.signedness = is_signed_type(uint64_t);
+ field->event_field.type.u.basic.integer.alignment = lttng_alignof(uint64_t) * CHAR_BIT;
+ field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(uint64_t);
field->event_field.type.u.basic.integer.reverse_byte_order = 0;
field->event_field.type.u.basic.integer.base = 10;
field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
field->record = perf_counter_record;
field->u.perf_counter = perf_field;
perf_field->hp_enable = 1;
+ lttng_context_update(*ctx);
wrapper_vmalloc_sync_all();
return 0;
kfree(events);
return ret;
}
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit Perf Support");