X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-procname.c;h=54007d15f5180a544d317d65171fb35bfca07aa4;hp=124eb5c84aa39380f31ec8fc4ee33604484c647a;hb=HEAD;hpb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c

diff --git a/lttng-context-procname.c b/lttng-context-procname.c
deleted file mode 100644
index 124eb5c8..00000000
--- a/lttng-context-procname.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * lttng-context-procname.c
- *
- * LTTng procname context.
- *
- * 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/slab.h>
-#include <linux/sched.h>
-#include "lttng-events.h"
-#include "wrapper/ringbuffer/frontend_types.h"
-#include "wrapper/vmalloc.h"
-#include "lttng-tracer.h"
-
-static
-size_t procname_get_size(size_t offset)
-{
-	size_t size = 0;
-
-	size += sizeof(current->comm);
-	return size;
-}
-
-/*
- * Racy read of procname. We simply copy its whole array size.
- * Races with /proc/<task>/procname write only.
- * Otherwise having to take a mutex for each event is cumbersome and
- * could lead to crash in IRQ context and deadlock of the lockdep tracer.
- */
-static
-void procname_record(struct lttng_ctx_field *field,
-		 struct lib_ring_buffer_ctx *ctx,
-		 struct lttng_channel *chan)
-{
-	chan->ops->event_write(ctx, current->comm, sizeof(current->comm));
-}
-
-int lttng_add_procname_to_ctx(struct lttng_ctx **ctx)
-{
-	struct lttng_ctx_field *field;
-
-	field = lttng_append_context(ctx);
-	if (!field)
-		return -ENOMEM;
-	if (lttng_find_context(*ctx, "procname")) {
-		lttng_remove_context_field(ctx, field);
-		return -EEXIST;
-	}
-	field->event_field.name = "procname";
-	field->event_field.type.atype = atype_array;
-	field->event_field.type.u.array.elem_type.atype = atype_integer;
-	field->event_field.type.u.array.elem_type.u.basic.integer.size = sizeof(char) * CHAR_BIT;
-	field->event_field.type.u.array.elem_type.u.basic.integer.alignment = lttng_alignof(char) * CHAR_BIT;
-	field->event_field.type.u.array.elem_type.u.basic.integer.signedness = is_signed_type(char);
-	field->event_field.type.u.array.elem_type.u.basic.integer.reverse_byte_order = 0;
-	field->event_field.type.u.array.elem_type.u.basic.integer.base = 10;
-	field->event_field.type.u.array.elem_type.u.basic.integer.encoding = lttng_encode_UTF8;
-	field->event_field.type.u.array.length = sizeof(current->comm);
-
-	field->get_size = procname_get_size;
-	field->record = procname_record;
-	wrapper_vmalloc_sync_all();
-	return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_add_procname_to_ctx);
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit Perf Support");