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| -rw-r--r-- | include/iprt/formats/tracelog.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/include/iprt/formats/tracelog.h b/include/iprt/formats/tracelog.h new file mode 100644 index 00000000..756a7945 --- /dev/null +++ b/include/iprt/formats/tracelog.h @@ -0,0 +1,229 @@ +/* $Id: tracelog.h $ */ +/** @file + * IPRT, Binary trace log format. + */ + +/* + * Copyright (C) 2018-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef IPRT_INCLUDED_formats_tracelog_h +#define IPRT_INCLUDED_formats_tracelog_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/assert.h> +#include <iprt/cdefs.h> +#include <iprt/types.h> + + +/** @defgroup grp_rt_formats_tracelog Binary trace log structures and definitions + * @ingroup grp_rt_formats + * @{ + */ + +/** Size of the record magic in bytes. */ +#define TRACELOG_MAGIC_SZ 8 + +/** + * Trace log identification and options header. + */ +typedef struct TRACELOGHDR +{ + /** Identifiaction magic. */ + uint8_t szMagic[8]; + /** Endianess indicator. */ + uint32_t u32Endianess; + /** File version indicator. */ + uint32_t u32Version; + /** File flags (MBZ for now). */ + uint32_t fFlags; + /** Size of the trace log description in bytes following this header. */ + uint32_t cbStrDesc; + /** Size of a pointer item in bytes. */ + uint8_t cbTypePtr; + /** size of the size_t item in bytes. */ + uint8_t cbTypeSize; + /** Padding to an 4 byte boundary. */ + uint16_t u16Reserved0; + /** Padding to an 8 byte boundary. */ + uint32_t u32Reserved0; + /** Starting timestamp when the log was initialised. */ + uint64_t u64TsStart; + /** Padding to 64byte boundary, reserved for future use. */ + uint64_t au64Reserved[3]; +} TRACELOGHDR; +AssertCompileSize(TRACELOGHDR, 64); +/** Pointer to a trace log header. */ +typedef TRACELOGHDR *PTRACELOGHDR; +/** Pointer to a const trace log header. */ +typedef const TRACELOGHDR *PCTRACELOGHDR; + +/** Magic value for a trace log file (TRACELOG backwards). */ +#define TRACELOG_HDR_MAGIC "GOLECART" +/** Endianess indicator. */ +#define TRACELOG_HDR_ENDIANESS 0xdeadc0de +/** The default version (Higher 16bits major, low 16bits minor version). */ +#define TRACELOG_VERSION RT_MAKE_U32(1, 0) + + +/** + * Trace log event structure descriptor. + */ +typedef struct TRACELOGEVTDESC +{ + /** Event descriptor magic. */ + uint8_t szMagic[8]; + /** Event structure descriptor ID for identification in events later. */ + uint32_t u32Id; + /** Severity class of the event .*/ + uint32_t u32Severity; + /** Size of the identifier string in bytes without terminator. */ + uint32_t cbStrId; + /** Size of the description string in bytes without terminator. */ + uint32_t cbStrDesc; + /** Number of event items following. */ + uint32_t cEvtItems; + /** Padding to end the descriptor on a 32 byte boundary. */ + uint32_t au32Padding0; +} TRACELOGEVTDESC; +AssertCompileSize(TRACELOGEVTDESC, 32); +/** Pointer to a trace log event structure descriptor. */ +typedef TRACELOGEVTDESC *PTRACELOGEVTDESC; +/** Pointer to a const trace log event structure descriptor. */ +typedef const TRACELOGEVTDESC *PCTRACELOGEVTDESC; + +/** Event descriptor magic. */ +#define TRACELOG_EVTDESC_MAGIC "\0CSEDTVE" + +/** Severity: Informational event*/ +#define TRACELOG_EVTDESC_SEVERITY_INFO UINT32_C(0) +/** Severity: Warning event*/ +#define TRACELOG_EVTDESC_SEVERITY_WARNING UINT32_C(1) +/** Severity: Error event*/ +#define TRACELOG_EVTDESC_SEVERITY_ERROR UINT32_C(2) +/** Severity: Fatal event*/ +#define TRACELOG_EVTDESC_SEVERITY_FATAL UINT32_C(3) +/** Severity: Debug event*/ +#define TRACELOG_EVTDESC_SEVERITY_DEBUG UINT32_C(4) + + +/** + * Trace log event item descriptor. + */ +typedef struct TRACELOGEVTITEMDESC +{ + /** Event item descriptor magic. */ + uint8_t szMagic[8]; + /** Size of the item name string in bytes without terminator. */ + uint32_t cbStrName; + /** Size of the optional description string in bytes without terminator. */ + uint32_t cbStrDesc; + /** Item type */ + uint32_t u32Type; + /** Size of the raw data type if static throughout. */ + uint32_t cbRawData; + /** Padding to end the descriptor on a 32 byte boundary. */ + uint32_t au32Padding0[2]; +} TRACELOGEVTITEMDESC; +AssertCompileSize(TRACELOGEVTITEMDESC, 32); +/** Pointer to a trace log event item descriptor. */ +typedef TRACELOGEVTITEMDESC *PTRACELOGEVTITEMDESC; +/** Pointer to a const trace log event item descriptor. */ +typedef const TRACELOGEVTITEMDESC *PCTRACELOGEVTITEMDESC; + +/** Event item descriptor magic. */ +#define TRACELOG_EVTITEMDESC_MAGIC "CSEDMETI" +/** Boolean type. */ +#define TRACELOG_EVTITEMDESC_TYPE_BOOL UINT32_C(1) +/** Unsigned 8bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_UINT8 UINT32_C(2) +/** Signed 8bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_INT8 UINT32_C(3) +/** Unsigned 16bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_UINT16 UINT32_C(4) +/** Signed 16bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_INT16 UINT32_C(5) +/** Unsigned 32bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_UINT32 UINT32_C(6) +/** Signed 32bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_INT32 UINT32_C(7) +/** Unsigned 64bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_UINT64 UINT32_C(8) +/** Signed 64bit integer type. */ +#define TRACELOG_EVTITEMDESC_TYPE_INT64 UINT32_C(9) +/** 32bit floating point type. */ +#define TRACELOG_EVTITEMDESC_TYPE_FLOAT32 UINT32_C(10) +/** 64bit floating point type. */ +#define TRACELOG_EVTITEMDESC_TYPE_FLOAT64 UINT32_C(11) +/** Raw binary data type. */ +#define TRACELOG_EVTITEMDESC_TYPE_RAWDATA UINT32_C(12) +/** Pointer data type. */ +#define TRACELOG_EVTITEMDESC_TYPE_POINTER UINT32_C(13) +/** size_t data type. */ +#define TRACELOG_EVTITEMDESC_TYPE_SIZE UINT32_C(14) + +/** + * Trace log event marker. + */ +typedef struct TRACELOGEVT +{ + /** Event marker magic. */ + uint8_t szMagic[8]; + /** Trace log sequence number to identify the event uniquely. */ + uint64_t u64SeqNo; + /** Timestamp for the marker (resolution is infered from the header). */ + uint64_t u64Ts; + /** Event group ID for grouping different events together - for no grouped event. */ + uint64_t u64EvtGrpId; + /** Parent group ID this event originated from. */ + uint64_t u64EvtParentGrpId; + /** Overall number of bytes for the event data following including static and possibly variable data. */ + uint32_t cbEvtData; + /** Number of size_t sized raw data size indicators before the raw event data follows. */ + uint32_t cRawEvtDataSz; + /** Event flags. */ + uint32_t fFlags; + /** Event structure descriptor ID to use for structuring the event data. */ + uint32_t u32EvtDescId; + /** Reserved for future use. */ + uint64_t u64Reserved0; +} TRACELOGEVT; +AssertCompileSize(TRACELOGEVT, 64); +/** Pointer to a trace log event marker. */ +typedef TRACELOGEVT *PTRACELOGEVT; +/** Pointer to a const trace log event marker. */ +typedef const TRACELOGEVT *PCTRACELOGEVT; + +/** Event marker descriptor magic. */ +#define TRACELOG_EVT_MAGIC "\0RKRMTVE" +/** Flag indicating this is the start of an event group and all subsequent events + * with the same group ID belong to the same group. */ +#define TRACELOG_EVT_F_GRP_START RT_BIT_32(0) +/** Flag indicating this is the end of an event group which was started earlier. */ +#define TRACELOG_EVT_F_GRP_END RT_BIT_32(1) +/** Combination of valid flags. */ +#define TRACELOG_EVT_F_VALID (TRACELOG_EVT_F_GRP_START | TRACELOG_EVT_F_GRP_END) + +/** @} */ + +#endif /* !IPRT_INCLUDED_formats_tracelog_h */ + |