| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * LWIS Trace Event |
| * |
| * Copyright (c) 2021 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #undef TRACE_SYSTEM |
| #define TRACE_SYSTEM lwis |
| |
| #if !defined(_TRACE_LWIS_H_) || defined(TRACE_HEADER_MULTI_READ) |
| #define _TRACE_LWIS_H_ |
| |
| #include <linux/tracepoint.h> |
| #include "lwis_commands.h" |
| #include "lwis_device.h" |
| |
| #define LWIS_DEVICE_NAME_ENTRY \ |
| __array(char, lwis_name, LWIS_MAX_NAME_STRING_LEN) |
| #define LWIS_DEVICE_NAME_ASSIGN \ |
| strlcpy(__entry->lwis_name, lwis_dev->name, LWIS_MAX_NAME_STRING_LEN) |
| #define LWIS_DEVICE_NAME __entry->lwis_name |
| |
| TRACE_EVENT(tracing_mark_write, |
| TP_PROTO(struct lwis_device *lwis_dev, char type, |
| int pid, const char *func_name, int64_t value), |
| TP_ARGS(lwis_dev, type, pid, func_name, value), |
| TP_STRUCT__entry( |
| LWIS_DEVICE_NAME_ENTRY |
| __field(char, type) |
| __field(int, pid) |
| __string(func_name, func_name) |
| __field(int64_t, value) |
| ), |
| TP_fast_assign( |
| LWIS_DEVICE_NAME_ASSIGN; |
| __entry->type = type; |
| __entry->pid = pid; |
| __assign_str(func_name, func_name); |
| __entry->value = value; |
| ), |
| TP_printk("%c|%d|lwis-%s:%s|%lld", |
| __entry->type, __entry->pid, LWIS_DEVICE_NAME, __get_str(func_name), __entry->value) |
| ); |
| |
| #define LWIS_ATRACE_BEGIN(lwis_dev, func_name) \ |
| trace_tracing_mark_write(lwis_dev, 'B', current->tgid, func_name, 0) |
| #define LWIS_ATRACE_FUNC_BEGIN(lwis_dev) LWIS_ATRACE_BEGIN(lwis_dev, __func__) |
| |
| #define LWIS_ATRACE_END(lwis_dev, func_name) \ |
| trace_tracing_mark_write(lwis_dev, 'E', current->tgid, func_name, 0) |
| #define LWIS_ATRACE_FUNC_END(lwis_dev) LWIS_ATRACE_END(lwis_dev, __func__) |
| |
| #define LWIS_ATRACE_INT_PID(lwis_dev, func_name, value, pid) \ |
| trace_tracing_mark_write(lwis_dev, 'C', pid, func_name, value) |
| #define LWIS_ATRACE_INT(lwis_dev, func_name, value) \ |
| LWIS_ATRACE_INT_PID(lwis_dev, func_name, value, current->tgid) |
| |
| #endif /* _TRACE_LWIS_H_ */ |
| |
| #undef TRACE_INCLUDE_PATH |
| #define TRACE_INCLUDE_PATH . |
| |
| #undef TRACE_INCLUDE_FILE |
| #define TRACE_INCLUDE_FILE lwis_trace |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |