Fix: timer_expire_entry changed in 4.19.312

[lttng-modules.git] / lttng-context-prio.c

diff --git a/lttng-context-prio.c b/lttng-context-prio.c
deleted file mode 100644 (file)
index 5a27e04..0000000
--- a/lttng-context-prio.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * lttng-context-prio.c
- *
- * LTTng priority 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 "wrapper/kallsyms.h"
-#include "lttng-tracer.h"
-
-static
-int (*wrapper_task_prio_sym)(struct task_struct *t);
-
-int wrapper_task_prio_init(void)
-{
-       wrapper_task_prio_sym = (void *) kallsyms_lookup_funcptr("task_prio");
-       if (!wrapper_task_prio_sym) {
-               printk(KERN_WARNING "LTTng: task_prio symbol lookup failed.\n");
-               return -EINVAL;
-       }
-       return 0;
-}
-
-static
-size_t prio_get_size(size_t offset)
-{
-       size_t size = 0;
-
-       size += lib_ring_buffer_align(offset, lttng_alignof(int));
-       size += sizeof(int);
-       return size;
-}
-
-static
-void prio_record(struct lttng_ctx_field *field,
-               struct lib_ring_buffer_ctx *ctx,
-               struct lttng_channel *chan)
-{
-       int prio;
-
-       prio = wrapper_task_prio_sym(current);
-       lib_ring_buffer_align_ctx(ctx, lttng_alignof(prio));
-       chan->ops->event_write(ctx, &prio, sizeof(prio));
-}
-
-static
-void prio_get_value(struct lttng_ctx_field *field,
-               struct lttng_probe_ctx *lttng_probe_ctx,
-               union lttng_ctx_value *value)
-{
-       value->s64 = wrapper_task_prio_sym(current);
-}
-
-int lttng_add_prio_to_ctx(struct lttng_ctx **ctx)
-{
-       struct lttng_ctx_field *field;
-       int ret;
-
-       if (!wrapper_task_prio_sym) {
-               ret = wrapper_task_prio_init();
-               if (ret)
-                       return ret;
-       }
-
-       field = lttng_append_context(ctx);
-       if (!field)
-               return -ENOMEM;
-       if (lttng_find_context(*ctx, "prio")) {
-               lttng_remove_context_field(ctx, field);
-               return -EEXIST;
-       }
-       field->event_field.name = "prio";
-       field->event_field.type.atype = atype_integer;
-       field->event_field.type.u.basic.integer.size = sizeof(int) * CHAR_BIT;
-       field->event_field.type.u.basic.integer.alignment = lttng_alignof(int) * CHAR_BIT;
-       field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(int);
-       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->get_size = prio_get_size;
-       field->record = prio_record;
-       field->get_value = prio_get_value;
-       lttng_context_update(*ctx);
-       wrapper_vmalloc_sync_all();
-       return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_add_prio_to_ctx);