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8a61a53b07
Add a tracepoint to capture the same details that are being sent through the generic netlink interface during transaction failures. This provides a useful debugging tool to observe the events independently from the netlink listeners. Signed-off-by: Carlos Llamas <cmllamas@google.com> Link: https://lore.kernel.org/r/20250727182932.2499194-6-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
448 lines
13 KiB
C
448 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2012 Google, Inc.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM binder
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#if !defined(_BINDER_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _BINDER_TRACE_H
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#include <linux/tracepoint.h>
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struct binder_buffer;
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struct binder_node;
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struct binder_proc;
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struct binder_alloc;
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struct binder_ref_data;
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struct binder_thread;
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struct binder_transaction;
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TRACE_EVENT(binder_ioctl,
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TP_PROTO(unsigned int cmd, unsigned long arg),
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TP_ARGS(cmd, arg),
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TP_STRUCT__entry(
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__field(unsigned int, cmd)
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__field(unsigned long, arg)
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),
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TP_fast_assign(
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__entry->cmd = cmd;
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__entry->arg = arg;
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),
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TP_printk("cmd=0x%x arg=0x%lx", __entry->cmd, __entry->arg)
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);
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DECLARE_EVENT_CLASS(binder_function_return_class,
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TP_PROTO(int ret),
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TP_ARGS(ret),
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TP_STRUCT__entry(
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__field(int, ret)
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),
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TP_fast_assign(
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__entry->ret = ret;
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),
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TP_printk("ret=%d", __entry->ret)
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);
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#define DEFINE_BINDER_FUNCTION_RETURN_EVENT(name) \
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DEFINE_EVENT(binder_function_return_class, name, \
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TP_PROTO(int ret), \
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TP_ARGS(ret))
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DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_ioctl_done);
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DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_write_done);
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DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_read_done);
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TRACE_EVENT(binder_wait_for_work,
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TP_PROTO(bool proc_work, bool transaction_stack, bool thread_todo),
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TP_ARGS(proc_work, transaction_stack, thread_todo),
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TP_STRUCT__entry(
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__field(bool, proc_work)
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__field(bool, transaction_stack)
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__field(bool, thread_todo)
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),
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TP_fast_assign(
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__entry->proc_work = proc_work;
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__entry->transaction_stack = transaction_stack;
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__entry->thread_todo = thread_todo;
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),
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TP_printk("proc_work=%d transaction_stack=%d thread_todo=%d",
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__entry->proc_work, __entry->transaction_stack,
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__entry->thread_todo)
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);
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TRACE_EVENT(binder_txn_latency_free,
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TP_PROTO(struct binder_transaction *t,
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int from_proc, int from_thread,
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int to_proc, int to_thread),
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TP_ARGS(t, from_proc, from_thread, to_proc, to_thread),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, from_proc)
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__field(int, from_thread)
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__field(int, to_proc)
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__field(int, to_thread)
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__field(unsigned int, code)
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__field(unsigned int, flags)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->from_proc = from_proc;
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__entry->from_thread = from_thread;
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__entry->to_proc = to_proc;
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__entry->to_thread = to_thread;
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__entry->code = t->code;
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__entry->flags = t->flags;
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),
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TP_printk("transaction=%d from %d:%d to %d:%d flags=0x%x code=0x%x",
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__entry->debug_id, __entry->from_proc, __entry->from_thread,
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__entry->to_proc, __entry->to_thread, __entry->code,
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__entry->flags)
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);
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TRACE_EVENT(binder_transaction,
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TP_PROTO(bool reply, struct binder_transaction *t,
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struct binder_node *target_node),
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TP_ARGS(reply, t, target_node),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, target_node)
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__field(int, to_proc)
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__field(int, to_thread)
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__field(int, reply)
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__field(unsigned int, code)
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__field(unsigned int, flags)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->target_node = target_node ? target_node->debug_id : 0;
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__entry->to_proc = t->to_proc->pid;
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__entry->to_thread = t->to_thread ? t->to_thread->pid : 0;
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__entry->reply = reply;
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__entry->code = t->code;
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__entry->flags = t->flags;
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),
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TP_printk("transaction=%d dest_node=%d dest_proc=%d dest_thread=%d reply=%d flags=0x%x code=0x%x",
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__entry->debug_id, __entry->target_node,
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__entry->to_proc, __entry->to_thread,
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__entry->reply, __entry->flags, __entry->code)
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);
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TRACE_EVENT(binder_transaction_received,
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TP_PROTO(struct binder_transaction *t),
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TP_ARGS(t),
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TP_STRUCT__entry(
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__field(int, debug_id)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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),
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TP_printk("transaction=%d", __entry->debug_id)
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);
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TRACE_EVENT(binder_transaction_node_to_ref,
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TP_PROTO(struct binder_transaction *t, struct binder_node *node,
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struct binder_ref_data *rdata),
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TP_ARGS(t, node, rdata),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, node_debug_id)
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__field(binder_uintptr_t, node_ptr)
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__field(int, ref_debug_id)
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__field(uint32_t, ref_desc)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->node_debug_id = node->debug_id;
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__entry->node_ptr = node->ptr;
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__entry->ref_debug_id = rdata->debug_id;
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__entry->ref_desc = rdata->desc;
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),
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TP_printk("transaction=%d node=%d src_ptr=0x%016llx ==> dest_ref=%d dest_desc=%d",
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__entry->debug_id, __entry->node_debug_id,
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(u64)__entry->node_ptr,
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__entry->ref_debug_id, __entry->ref_desc)
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);
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TRACE_EVENT(binder_transaction_ref_to_node,
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TP_PROTO(struct binder_transaction *t, struct binder_node *node,
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struct binder_ref_data *rdata),
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TP_ARGS(t, node, rdata),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, ref_debug_id)
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__field(uint32_t, ref_desc)
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__field(int, node_debug_id)
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__field(binder_uintptr_t, node_ptr)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->ref_debug_id = rdata->debug_id;
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__entry->ref_desc = rdata->desc;
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__entry->node_debug_id = node->debug_id;
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__entry->node_ptr = node->ptr;
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),
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TP_printk("transaction=%d node=%d src_ref=%d src_desc=%d ==> dest_ptr=0x%016llx",
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__entry->debug_id, __entry->node_debug_id,
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__entry->ref_debug_id, __entry->ref_desc,
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(u64)__entry->node_ptr)
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);
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TRACE_EVENT(binder_transaction_ref_to_ref,
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TP_PROTO(struct binder_transaction *t, struct binder_node *node,
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struct binder_ref_data *src_ref,
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struct binder_ref_data *dest_ref),
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TP_ARGS(t, node, src_ref, dest_ref),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, node_debug_id)
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__field(int, src_ref_debug_id)
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__field(uint32_t, src_ref_desc)
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__field(int, dest_ref_debug_id)
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__field(uint32_t, dest_ref_desc)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->node_debug_id = node->debug_id;
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__entry->src_ref_debug_id = src_ref->debug_id;
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__entry->src_ref_desc = src_ref->desc;
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__entry->dest_ref_debug_id = dest_ref->debug_id;
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__entry->dest_ref_desc = dest_ref->desc;
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),
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TP_printk("transaction=%d node=%d src_ref=%d src_desc=%d ==> dest_ref=%d dest_desc=%d",
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__entry->debug_id, __entry->node_debug_id,
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__entry->src_ref_debug_id, __entry->src_ref_desc,
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__entry->dest_ref_debug_id, __entry->dest_ref_desc)
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);
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TRACE_EVENT(binder_transaction_fd_send,
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TP_PROTO(struct binder_transaction *t, int fd, size_t offset),
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TP_ARGS(t, fd, offset),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, fd)
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__field(size_t, offset)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->fd = fd;
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__entry->offset = offset;
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),
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TP_printk("transaction=%d src_fd=%d offset=%zu",
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__entry->debug_id, __entry->fd, __entry->offset)
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);
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TRACE_EVENT(binder_transaction_fd_recv,
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TP_PROTO(struct binder_transaction *t, int fd, size_t offset),
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TP_ARGS(t, fd, offset),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(int, fd)
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__field(size_t, offset)
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),
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TP_fast_assign(
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__entry->debug_id = t->debug_id;
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__entry->fd = fd;
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__entry->offset = offset;
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),
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TP_printk("transaction=%d dest_fd=%d offset=%zu",
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__entry->debug_id, __entry->fd, __entry->offset)
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);
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DECLARE_EVENT_CLASS(binder_buffer_class,
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TP_PROTO(struct binder_buffer *buf),
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TP_ARGS(buf),
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TP_STRUCT__entry(
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__field(int, debug_id)
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__field(size_t, data_size)
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__field(size_t, offsets_size)
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__field(size_t, extra_buffers_size)
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),
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TP_fast_assign(
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__entry->debug_id = buf->debug_id;
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__entry->data_size = buf->data_size;
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__entry->offsets_size = buf->offsets_size;
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__entry->extra_buffers_size = buf->extra_buffers_size;
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),
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TP_printk("transaction=%d data_size=%zd offsets_size=%zd extra_buffers_size=%zd",
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__entry->debug_id, __entry->data_size, __entry->offsets_size,
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__entry->extra_buffers_size)
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);
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DEFINE_EVENT(binder_buffer_class, binder_transaction_alloc_buf,
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TP_PROTO(struct binder_buffer *buffer),
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TP_ARGS(buffer));
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DEFINE_EVENT(binder_buffer_class, binder_transaction_buffer_release,
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TP_PROTO(struct binder_buffer *buffer),
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TP_ARGS(buffer));
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DEFINE_EVENT(binder_buffer_class, binder_transaction_failed_buffer_release,
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TP_PROTO(struct binder_buffer *buffer),
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TP_ARGS(buffer));
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DEFINE_EVENT(binder_buffer_class, binder_transaction_update_buffer_release,
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TP_PROTO(struct binder_buffer *buffer),
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TP_ARGS(buffer));
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TRACE_EVENT(binder_update_page_range,
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TP_PROTO(struct binder_alloc *alloc, bool allocate,
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unsigned long start, unsigned long end),
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TP_ARGS(alloc, allocate, start, end),
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TP_STRUCT__entry(
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__field(int, proc)
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__field(bool, allocate)
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__field(size_t, offset)
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__field(size_t, size)
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),
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TP_fast_assign(
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__entry->proc = alloc->pid;
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__entry->allocate = allocate;
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__entry->offset = start - alloc->vm_start;
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__entry->size = end - start;
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),
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TP_printk("proc=%d allocate=%d offset=%zu size=%zu",
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__entry->proc, __entry->allocate,
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__entry->offset, __entry->size)
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);
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DECLARE_EVENT_CLASS(binder_lru_page_class,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index),
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TP_STRUCT__entry(
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__field(int, proc)
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__field(size_t, page_index)
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),
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TP_fast_assign(
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__entry->proc = alloc->pid;
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__entry->page_index = page_index;
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),
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TP_printk("proc=%d page_index=%zu",
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__entry->proc, __entry->page_index)
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);
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DEFINE_EVENT(binder_lru_page_class, binder_alloc_lru_start,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_alloc_lru_end,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_free_lru_start,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_free_lru_end,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_alloc_page_start,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_alloc_page_end,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_unmap_user_start,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_unmap_user_end,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_unmap_kernel_start,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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DEFINE_EVENT(binder_lru_page_class, binder_unmap_kernel_end,
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TP_PROTO(const struct binder_alloc *alloc, size_t page_index),
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TP_ARGS(alloc, page_index));
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TRACE_EVENT(binder_command,
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TP_PROTO(uint32_t cmd),
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TP_ARGS(cmd),
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TP_STRUCT__entry(
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__field(uint32_t, cmd)
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),
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TP_fast_assign(
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__entry->cmd = cmd;
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),
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TP_printk("cmd=0x%x %s",
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__entry->cmd,
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_IOC_NR(__entry->cmd) < ARRAY_SIZE(binder_command_strings) ?
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binder_command_strings[_IOC_NR(__entry->cmd)] :
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"unknown")
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);
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TRACE_EVENT(binder_return,
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TP_PROTO(uint32_t cmd),
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TP_ARGS(cmd),
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TP_STRUCT__entry(
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__field(uint32_t, cmd)
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),
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TP_fast_assign(
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__entry->cmd = cmd;
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),
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TP_printk("cmd=0x%x %s",
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__entry->cmd,
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_IOC_NR(__entry->cmd) < ARRAY_SIZE(binder_return_strings) ?
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binder_return_strings[_IOC_NR(__entry->cmd)] :
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"unknown")
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);
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TRACE_EVENT(binder_netlink_report,
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TP_PROTO(const char *context,
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struct binder_transaction *t,
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u32 data_size,
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u32 error),
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TP_ARGS(context, t, data_size, error),
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TP_STRUCT__entry(
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__field(const char *, context)
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__field(u32, error)
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__field(int, from_pid)
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__field(int, from_tid)
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__field(int, to_pid)
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__field(int, to_tid)
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__field(bool, is_reply)
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__field(unsigned int, flags)
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__field(unsigned int, code)
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__field(size_t, data_size)
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),
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TP_fast_assign(
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__entry->context = context;
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__entry->error = error;
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__entry->from_pid = t->from_pid;
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__entry->from_tid = t->from_tid;
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__entry->to_pid = t->to_proc ? t->to_proc->pid : 0;
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__entry->to_tid = t->to_thread ? t->to_thread->pid : 0;
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__entry->is_reply = t->is_reply;
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__entry->flags = t->flags;
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__entry->code = t->code;
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__entry->data_size = data_size;
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),
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TP_printk("from %d:%d to %d:%d context=%s error=%d is_reply=%d flags=0x%x code=0x%x size=%zu",
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__entry->from_pid, __entry->from_tid,
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__entry->to_pid, __entry->to_tid,
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__entry->context, __entry->error, __entry->is_reply,
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__entry->flags, __entry->code, __entry->data_size)
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);
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#endif /* _BINDER_TRACE_H */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE binder_trace
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#include <trace/define_trace.h>
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