Files
sysprof/src/libsysprof-capture/sysprof-capture-types.h
2019-05-29 15:13:01 -07:00

309 lines
8.0 KiB
C

/* sysprof-capture-types.h
*
* Copyright 2016-2019 Christian Hergert <chergert@redhat.com>
*
* This file 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; either version 2 of the License, or (at your option)
* any later version.
*
* This file 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 General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#pragma once
#include <glib.h>
#include "sysprof-clock.h"
G_BEGIN_DECLS
#define SYSPROF_CAPTURE_MAGIC (GUINT32_TO_LE(0xFDCA975E))
#define SYSPROF_CAPTURE_ALIGN (sizeof(SysprofCaptureAddress))
#if defined(_MSC_VER)
# define SYSPROF_ALIGNED_BEGIN(_N) __declspec(align (_N))
# define SYSPROF_ALIGNED_END(_N)
#else
# define SYSPROF_ALIGNED_BEGIN(_N)
# define SYSPROF_ALIGNED_END(_N) __attribute__((aligned ((_N))))
#endif
#if GLIB_SIZEOF_VOID_P == 8
# define SYSPROF_CAPTURE_JITMAP_MARK G_GUINT64_CONSTANT(0xE000000000000000)
# define SYSPROF_CAPTURE_ADDRESS_FORMAT "0x%016lx"
#elif GLIB_SIZEOF_VOID_P == 4
# define SYSPROF_CAPTURE_JITMAP_MARK G_GUINT64_CONSTANT(0xE0000000)
# define SYSPROF_CAPTURE_ADDRESS_FORMAT "0x%016llx"
#else
#error Unknown GLIB_SIZEOF_VOID_P
#endif
#define SYSPROF_CAPTURE_CURRENT_TIME (sysprof_clock_get_current_time())
#define SYSPROF_CAPTURE_COUNTER_INT64 0
#define SYSPROF_CAPTURE_COUNTER_DOUBLE 1
typedef struct _SysprofCaptureReader SysprofCaptureReader;
typedef struct _SysprofCaptureWriter SysprofCaptureWriter;
typedef struct _SysprofCaptureCursor SysprofCaptureCursor;
typedef struct _SysprofCaptureCondition SysprofCaptureCondition;
typedef guint64 SysprofCaptureAddress;
typedef struct
{
/*
* The number of frames indexed by SysprofCaptureFrameType
*/
gsize frame_count[16];
/*
* Padding for future expansion.
*/
gsize padding[48];
} SysprofCaptureStat;
typedef union
{
gint64 v64;
gdouble vdbl;
} SysprofCaptureCounterValue;
typedef enum
{
SYSPROF_CAPTURE_FRAME_TIMESTAMP = 1,
SYSPROF_CAPTURE_FRAME_SAMPLE = 2,
SYSPROF_CAPTURE_FRAME_MAP = 3,
SYSPROF_CAPTURE_FRAME_PROCESS = 4,
SYSPROF_CAPTURE_FRAME_FORK = 5,
SYSPROF_CAPTURE_FRAME_EXIT = 6,
SYSPROF_CAPTURE_FRAME_JITMAP = 7,
SYSPROF_CAPTURE_FRAME_CTRDEF = 8,
SYSPROF_CAPTURE_FRAME_CTRSET = 9,
SYSPROF_CAPTURE_FRAME_MARK = 10,
SYSPROF_CAPTURE_FRAME_METADATA = 11,
SYSPROF_CAPTURE_FRAME_LOG = 12,
SYSPROF_CAPTURE_FRAME_FILE_CHUNK = 13,
} SysprofCaptureFrameType;
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
guint32 magic;
guint32 version : 8;
guint32 little_endian : 1;
guint32 padding : 23;
gchar capture_time[64];
gint64 time;
gint64 end_time;
gchar suffix[168];
} SysprofCaptureFileHeader
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
guint16 len;
gint16 cpu;
gint32 pid;
gint64 time;
guint32 type : 8;
guint32 padding1 : 24;
guint32 padding2;
guint8 data[0];
} SysprofCaptureFrame
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint64 start;
guint64 end;
guint64 offset;
guint64 inode;
gchar filename[0];
} SysprofCaptureMap
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint32 n_jitmaps;
guint8 data[0];
} SysprofCaptureJitmap
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
gchar cmdline[0];
} SysprofCaptureProcess
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint32 n_addrs : 16;
guint32 padding1 : 16;
gint32 tid;
SysprofCaptureAddress addrs[0];
} SysprofCaptureSample
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
gint32 child_pid;
} SysprofCaptureFork
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
} SysprofCaptureExit
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
} SysprofCaptureTimestamp
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
gchar category[32];
gchar name[32];
gchar description[52];
guint32 id : 24;
guint32 type : 8;
SysprofCaptureCounterValue value;
} SysprofCaptureCounter
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint32 n_counters : 16;
guint32 padding1 : 16;
guint32 padding2;
SysprofCaptureCounter counters[0];
} SysprofCaptureCounterDefine
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
/*
* 96 bytes might seem a bit odd, but the counter frame header is 32
* bytes. So this makes a nice 2-cacheline aligned size which is
* useful when the number of counters is rather small.
*/
guint32 ids[8];
SysprofCaptureCounterValue values[8];
} SysprofCaptureCounterValues
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint32 n_values : 16;
guint32 padding1 : 16;
guint32 padding2;
SysprofCaptureCounterValues values[0];
} SysprofCaptureCounterSet
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
gint64 duration;
gchar group[24];
gchar name[40];
gchar message[0];
} SysprofCaptureMark
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
gchar id[40];
gchar metadata[0];
} SysprofCaptureMetadata
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint32 severity : 16;
guint32 padding1 : 16;
guint32 padding2 : 32;
gchar domain[32];
gchar message[0];
} SysprofCaptureLog
SYSPROF_ALIGNED_END(1);
SYSPROF_ALIGNED_BEGIN(1)
typedef struct
{
SysprofCaptureFrame frame;
guint32 is_last : 1;
guint32 padding1 : 15;
guint32 len : 16;
gchar path[256];
guint8 data[0];
} SysprofCaptureFileChunk
SYSPROF_ALIGNED_END(1);
G_STATIC_ASSERT (sizeof (SysprofCaptureFileHeader) == 256);
G_STATIC_ASSERT (sizeof (SysprofCaptureFrame) == 24);
G_STATIC_ASSERT (sizeof (SysprofCaptureMap) == 56);
G_STATIC_ASSERT (sizeof (SysprofCaptureJitmap) == 28);
G_STATIC_ASSERT (sizeof (SysprofCaptureProcess) == 24);
G_STATIC_ASSERT (sizeof (SysprofCaptureSample) == 32);
G_STATIC_ASSERT (sizeof (SysprofCaptureFork) == 28);
G_STATIC_ASSERT (sizeof (SysprofCaptureExit) == 24);
G_STATIC_ASSERT (sizeof (SysprofCaptureTimestamp) == 24);
G_STATIC_ASSERT (sizeof (SysprofCaptureCounter) == 128);
G_STATIC_ASSERT (sizeof (SysprofCaptureCounterValues) == 96);
G_STATIC_ASSERT (sizeof (SysprofCaptureCounterDefine) == 32);
G_STATIC_ASSERT (sizeof (SysprofCaptureCounterSet) == 32);
G_STATIC_ASSERT (sizeof (SysprofCaptureMark) == 96);
G_STATIC_ASSERT (sizeof (SysprofCaptureMetadata) == 64);
G_STATIC_ASSERT (sizeof (SysprofCaptureLog) == 64);
G_STATIC_ASSERT (sizeof (SysprofCaptureFileChunk) == 284);
static inline gint
sysprof_capture_address_compare (SysprofCaptureAddress a,
SysprofCaptureAddress b)
{
if (a < b)
return -1;
if (a > b)
return 1;
else
return 0;
}
G_END_DECLS