ust-fd: Add close_range declaration

[lttng-ust.git] / liblttng-ust / lttng-context-cpu-id.c

diff --git a/liblttng-ust/lttng-context-cpu-id.c b/liblttng-ust/lttng-context-cpu-id.c
deleted file mode 100644 (file)
index baa1a88..0000000
--- a/liblttng-ust/lttng-context-cpu-id.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2009-2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * LTTng UST CPU id context.
- *
- * Note: threads can be migrated at any point while executing the
- * tracepoint probe. This means the CPU id field (and filter) is only
- * statistical. For instance, even though a user might select a
- * cpu_id==1 filter, there may be few events recorded into the channel
- * appearing from other CPUs, due to migration.
- */
-
-#define _LGPL_SOURCE
-#include <stddef.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <lttng/ust-events.h>
-#include <lttng/ust-tracer.h>
-#include "../libringbuffer/getcpu.h"
-#include <lttng/ringbuffer-context.h>
-
-#include "context-internal.h"
-
-static
-size_t cpu_id_get_size(struct lttng_ust_ctx_field *field, size_t offset)
-{
-       size_t size = 0;
-
-       size += lib_ring_buffer_align(offset, lttng_alignof(int));
-       size += sizeof(int);
-       return size;
-}
-
-static
-void cpu_id_record(struct lttng_ust_ctx_field *field,
-                struct lttng_ust_lib_ring_buffer_ctx *ctx,
-                struct lttng_ust_channel_buffer *chan)
-{
-       int cpu;
-
-       cpu = lttng_ust_get_cpu();
-       lib_ring_buffer_align_ctx(ctx, lttng_alignof(cpu));
-       chan->ops->event_write(ctx, &cpu, sizeof(cpu));
-}
-
-static
-void cpu_id_get_value(struct lttng_ust_ctx_field *field,
-               struct lttng_ust_ctx_value *value)
-{
-       value->u.s64 = lttng_ust_get_cpu();
-}
-
-int lttng_add_cpu_id_to_ctx(struct lttng_ust_ctx **ctx)
-{
-       struct lttng_ust_ctx_field *field;
-       struct lttng_ust_type_common *type;
-       int ret;
-
-       type = lttng_ust_create_type_integer(sizeof(int) * CHAR_BIT,
-                       lttng_alignof(int) * CHAR_BIT,
-                       lttng_ust_is_signed_type(int),
-                       BYTE_ORDER, 10);
-       if (!type)
-               return -ENOMEM;
-       field = lttng_append_context(ctx);
-       if (!field) {
-               ret = -ENOMEM;
-               goto error_context;
-       }
-       if (lttng_find_context(*ctx, "cpu_id")) {
-               ret = -EEXIST;
-               goto error_find_context;
-       }
-       field->event_field->name = strdup("cpu_id");
-       if (!field->event_field->name) {
-               ret = -ENOMEM;
-               goto error_name;
-       }
-       field->event_field->type = type;
-       field->get_size = cpu_id_get_size;
-       field->record = cpu_id_record;
-       field->get_value = cpu_id_get_value;
-       lttng_context_update(*ctx);
-       return 0;
-
-error_name:
-error_find_context:
-       lttng_remove_context_field(ctx, field);
-error_context:
-       lttng_ust_destroy_type(type);
-       return ret;
-}