blob: d9f41587fadac6d908af9f1b9b970d3404668e85 [file] [log] [blame]
/*
* Copyright © 2020 Valve Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include "radv_private.h"
#include "util/u_process.h"
#include "drm-uapi/amdgpu_drm.h"
#define SQTT_FILE_MAGIC_NUMBER 0x50303042
#define SQTT_FILE_VERSION_MAJOR 1
#define SQTT_FILE_VERSION_MINOR 4
#define SQTT_GPU_NAME_MAX_SIZE 256
#define SQTT_MAX_NUM_SE 32
#define SQTT_SA_PER_SE 2
enum sqtt_version {
SQTT_VERSION_NONE = 0x0,
SQTT_VERSION_1_0 = 0x1,
SQTT_VERSION_1_1 = 0x2,
SQTT_VERSION_2_0 = 0x3, /* GFX6 */
SQTT_VERSION_2_1 = 0x4, /* GFX7 */
SQTT_VERSION_2_2 = 0x5, /* GFX8 */
SQTT_VERSION_2_3 = 0x6, /* GFX9 */
SQTT_VERSION_2_4 = 0x7 /* GFX10 */
};
/**
* SQTT chunks.
*/
enum sqtt_file_chunk_type {
SQTT_FILE_CHUNK_TYPE_ASIC_INFO,
SQTT_FILE_CHUNK_TYPE_SQTT_DESC,
SQTT_FILE_CHUNK_TYPE_SQTT_DATA,
SQTT_FILE_CHUNK_TYPE_API_INFO,
SQTT_FILE_CHUNK_TYPE_ISA_DATABASE,
SQTT_FILE_CHUNK_TYPE_QUEUE_EVENT_TIMINGS,
SQTT_FILE_CHUNK_TYPE_CLOCK_CALIBRATION,
SQTT_FILE_CHUNK_TYPE_CPU_INFO,
SQTT_FILE_CHUNK_TYPE_SPM_DB,
SQTT_FILE_CHUNK_TYPE_CODE_OBJECT_DATABASE,
SQTT_FILE_CHUNK_TYPE_CODE_OBJECT_LOADER_EVENTS,
SQTT_FILE_CHUNK_TYPE_PSO_CORRELATION,
SQTT_FILE_CHUNK_TYPE_INSTRUMENTATION_TABLE,
SQTT_FILE_CHUNK_TYPE_COUNT
};
struct sqtt_file_chunk_id {
enum sqtt_file_chunk_type type : 8;
int32_t index : 8;
int32_t reserved : 16;
};
struct sqtt_file_chunk_header {
struct sqtt_file_chunk_id chunk_id;
uint16_t minor_version;
uint16_t major_version;
int32_t size_in_bytes;
int32_t padding;
};
/**
* SQTT file header.
*/
struct sqtt_file_header_flags {
union {
struct {
int32_t is_semaphore_queue_timing_etw : 1;
int32_t no_queue_semaphore_timestamps : 1;
int32_t reserved : 30;
};
uint32_t value;
};
};
struct sqtt_file_header {
uint32_t magic_number;
uint32_t version_major;
uint32_t version_minor;
struct sqtt_file_header_flags flags;
int32_t chunk_offset;
int32_t second;
int32_t minute;
int32_t hour;
int32_t day_in_month;
int32_t month;
int32_t year;
int32_t day_in_week;
int32_t day_in_year;
int32_t is_daylight_savings;
};
static_assert(sizeof(struct sqtt_file_header) == 56,
"sqtt_file_header doesn't match RGP spec");
static void
radv_sqtt_fill_header(struct sqtt_file_header *header)
{
struct tm *timep, result;
time_t raw_time;
header->magic_number = SQTT_FILE_MAGIC_NUMBER;
header->version_major = SQTT_FILE_VERSION_MAJOR;
header->version_minor = SQTT_FILE_VERSION_MINOR;
header->flags.value = 0;
header->flags.is_semaphore_queue_timing_etw = 1;
header->flags.no_queue_semaphore_timestamps = 0;
header->chunk_offset = sizeof(*header);
time(&raw_time);
timep = localtime_r(&raw_time, &result);
header->second = timep->tm_sec;
header->minute = timep->tm_min;
header->hour = timep->tm_hour;
header->day_in_month = timep->tm_mday;
header->month = timep->tm_mon;
header->year = timep->tm_year;
header->day_in_week = timep->tm_wday;
header->day_in_year = timep->tm_yday;
header->is_daylight_savings = timep->tm_isdst;
}
/**
* SQTT CPU info.
*/
struct sqtt_file_chunk_cpu_info {
struct sqtt_file_chunk_header header;
uint32_t vendor_id[4];
uint32_t processor_brand[12];
uint32_t reserved[2];
uint64_t cpu_timestamp_freq;
uint32_t clock_speed;
uint32_t num_logical_cores;
uint32_t num_physical_cores;
uint32_t system_ram_size;
};
static_assert(sizeof(struct sqtt_file_chunk_cpu_info) == 112,
"sqtt_file_chunk_cpu_info doesn't match RGP spec");
static void
radv_sqtt_fill_cpu_info(struct sqtt_file_chunk_cpu_info *chunk)
{
uint64_t system_ram_size = 0;
chunk->header.chunk_id.type = SQTT_FILE_CHUNK_TYPE_CPU_INFO;
chunk->header.chunk_id.index = 0;
chunk->header.major_version = 0;
chunk->header.minor_version = 0;
chunk->header.size_in_bytes = sizeof(*chunk);
chunk->cpu_timestamp_freq = 1000000000; /* tick set to 1ns */
/* TODO: fill with real info. */
strncpy((char *)chunk->vendor_id, "Unknown", sizeof(chunk->vendor_id));
strncpy((char *)chunk->processor_brand, "Unknown", sizeof(chunk->processor_brand));
chunk->clock_speed = 0;
chunk->num_logical_cores = 0;
chunk->num_physical_cores = 0;
chunk->system_ram_size = 0;
if (os_get_total_physical_memory(&system_ram_size))
chunk->system_ram_size = system_ram_size / (1024 * 1024);
}
/**
* SQTT ASIC info.
*/
enum sqtt_file_chunk_asic_info_flags
{
SQTT_FILE_CHUNK_ASIC_INFO_FLAG_SC_PACKER_NUMBERING = (1 << 0),
SQTT_FILE_CHUNK_ASIC_INFO_FLAG_PS1_EVENT_TOKENS_ENABLED = (1 << 1)
};
enum sqtt_gpu_type {
SQTT_GPU_TYPE_UNKNOWN = 0x0,
SQTT_GPU_TYPE_INTEGRATED = 0x1,
SQTT_GPU_TYPE_DISCRETE = 0x2,
SQTT_GPU_TYPE_VIRTUAL = 0x3
};
enum sqtt_gfxip_level {
SQTT_GFXIP_LEVEL_NONE = 0x0,
SQTT_GFXIP_LEVEL_GFXIP_6 = 0x1,
SQTT_GFXIP_LEVEL_GFXIP_7 = 0x2,
SQTT_GFXIP_LEVEL_GFXIP_8 = 0x3,
SQTT_GFXIP_LEVEL_GFXIP_8_1 = 0x4,
SQTT_GFXIP_LEVEL_GFXIP_9 = 0x5,
SQTT_GFXIP_LEVEL_GFXIP_10_1 = 0x7,
};
enum sqtt_memory_type {
SQTT_MEMORY_TYPE_UNKNOWN = 0x0,
SQTT_MEMORY_TYPE_DDR = 0x1,
SQTT_MEMORY_TYPE_DDR2 = 0x2,
SQTT_MEMORY_TYPE_DDR3 = 0x3,
SQTT_MEMORY_TYPE_DDR4 = 0x4,
SQTT_MEMORY_TYPE_GDDR3 = 0x10,
SQTT_MEMORY_TYPE_GDDR4 = 0x11,
SQTT_MEMORY_TYPE_GDDR5 = 0x12,
SQTT_MEMORY_TYPE_GDDR6 = 0x13,
SQTT_MEMORY_TYPE_HBM = 0x20,
SQTT_MEMORY_TYPE_HBM2 = 0x21,
SQTT_MEMORY_TYPE_HBM3 = 0x22,
};
struct sqtt_file_chunk_asic_info {
struct sqtt_file_chunk_header header;
uint64_t flags;
uint64_t trace_shader_core_clock;
uint64_t trace_memory_clock;
int32_t device_id;
int32_t device_revision_id;
int32_t vgprs_per_simd;
int32_t sgprs_per_simd;
int32_t shader_engines;
int32_t compute_unit_per_shader_engine;
int32_t simd_per_compute_unit;
int32_t wavefronts_per_simd;
int32_t minimum_vgpr_alloc;
int32_t vgpr_alloc_granularity;
int32_t minimum_sgpr_alloc;
int32_t sgpr_alloc_granularity;
int32_t hardware_contexts;
enum sqtt_gpu_type gpu_type;
enum sqtt_gfxip_level gfxip_level;
int32_t gpu_index;
int32_t gds_size;
int32_t gds_per_shader_engine;
int32_t ce_ram_size;
int32_t ce_ram_size_graphics;
int32_t ce_ram_size_compute;
int32_t max_number_of_dedicated_cus;
int64_t vram_size;
int32_t vram_bus_width;
int32_t l2_cache_size;
int32_t l1_cache_size;
int32_t lds_size;
char gpu_name[SQTT_GPU_NAME_MAX_SIZE];
float alu_per_clock;
float texture_per_clock;
float prims_per_clock;
float pixels_per_clock;
uint64_t gpu_timestamp_frequency;
uint64_t max_shader_core_clock;
uint64_t max_memory_clock;
uint32_t memory_ops_per_clock;
enum sqtt_memory_type memory_chip_type;
uint32_t lds_granularity;
uint16_t cu_mask[SQTT_MAX_NUM_SE][SQTT_SA_PER_SE];
char reserved1[128];
char padding[4];
};
static_assert(sizeof(struct sqtt_file_chunk_asic_info) == 720,
"sqtt_file_chunk_asic_info doesn't match RGP spec");
static enum sqtt_gfxip_level
radv_chip_class_to_sqtt_gfxip_level(enum chip_class chip_class)
{
switch (chip_class) {
case GFX6:
return SQTT_GFXIP_LEVEL_GFXIP_6;
case GFX7:
return SQTT_GFXIP_LEVEL_GFXIP_7;
case GFX8:
return SQTT_GFXIP_LEVEL_GFXIP_8;
case GFX9:
return SQTT_GFXIP_LEVEL_GFXIP_9;
case GFX10:
return SQTT_GFXIP_LEVEL_GFXIP_10_1;
default:
unreachable("Invalid chip class");
}
}
static enum sqtt_memory_type
radv_vram_type_to_sqtt_memory_type(uint32_t vram_type)
{
switch (vram_type) {
case AMDGPU_VRAM_TYPE_UNKNOWN:
return SQTT_MEMORY_TYPE_UNKNOWN;
case AMDGPU_VRAM_TYPE_DDR2:
return SQTT_MEMORY_TYPE_DDR2;
case AMDGPU_VRAM_TYPE_DDR3:
return SQTT_MEMORY_TYPE_DDR3;
case AMDGPU_VRAM_TYPE_DDR4:
return SQTT_MEMORY_TYPE_DDR4;
case AMDGPU_VRAM_TYPE_GDDR5:
return SQTT_MEMORY_TYPE_GDDR5;
case AMDGPU_VRAM_TYPE_HBM:
return SQTT_MEMORY_TYPE_HBM;
case AMDGPU_VRAM_TYPE_GDDR6:
return SQTT_MEMORY_TYPE_GDDR6;
case AMDGPU_VRAM_TYPE_GDDR1:
case AMDGPU_VRAM_TYPE_GDDR3:
case AMDGPU_VRAM_TYPE_GDDR4:
default:
unreachable("Invalid vram type");
}
}
static void
radv_fill_sqtt_asic_info(struct radv_device *device,
struct sqtt_file_chunk_asic_info *chunk)
{
struct radeon_info *rad_info = &device->physical_device->rad_info;
bool has_wave32 = rad_info->chip_class >= GFX10;
chunk->header.chunk_id.type = SQTT_FILE_CHUNK_TYPE_ASIC_INFO;
chunk->header.chunk_id.index = 0;
chunk->header.major_version = 0;
chunk->header.minor_version = 4;
chunk->header.size_in_bytes = sizeof(*chunk);
chunk->flags = 0;
/* All chips older than GFX9 are affected by the "SPI not
* differentiating pkr_id for newwave commands" bug.
*/
if (rad_info->chip_class < GFX9)
chunk->flags |= SQTT_FILE_CHUNK_ASIC_INFO_FLAG_SC_PACKER_NUMBERING;
/* Only FIJI and GFX9+ support PS1 events. */
if (rad_info->family == CHIP_FIJI || rad_info->chip_class >= GFX9)
chunk->flags |= SQTT_FILE_CHUNK_ASIC_INFO_FLAG_PS1_EVENT_TOKENS_ENABLED;
chunk->trace_shader_core_clock = rad_info->max_shader_clock * 1000000;
chunk->trace_memory_clock = rad_info->max_memory_clock * 1000000;
chunk->device_id = rad_info->pci_id;
chunk->device_revision_id = rad_info->pci_rev_id;
chunk->vgprs_per_simd = rad_info->num_physical_wave64_vgprs_per_simd *
(has_wave32 ? 2 : 1);
chunk->sgprs_per_simd = rad_info->num_physical_sgprs_per_simd;
chunk->shader_engines = rad_info->max_se;
chunk->compute_unit_per_shader_engine = rad_info->min_good_cu_per_sa *
rad_info->max_sh_per_se;
chunk->simd_per_compute_unit = rad_info->num_simd_per_compute_unit;
chunk->wavefronts_per_simd = rad_info->max_wave64_per_simd;
chunk->minimum_vgpr_alloc = rad_info->min_wave64_vgpr_alloc;
chunk->vgpr_alloc_granularity = rad_info->wave64_vgpr_alloc_granularity *
(has_wave32 ? 2 : 1);
chunk->minimum_sgpr_alloc = rad_info->min_sgpr_alloc;
chunk->sgpr_alloc_granularity = rad_info->sgpr_alloc_granularity;
chunk->hardware_contexts = 8;
chunk->gpu_type = rad_info->has_dedicated_vram ? SQTT_GPU_TYPE_DISCRETE : SQTT_GPU_TYPE_INTEGRATED;
chunk->gfxip_level = radv_chip_class_to_sqtt_gfxip_level(rad_info->chip_class);
chunk->gpu_index = 0;
chunk->max_number_of_dedicated_cus = 0;
chunk->ce_ram_size = rad_info->ce_ram_size;
chunk->ce_ram_size_graphics = 0;
chunk->ce_ram_size_compute = 0;
chunk->vram_bus_width = rad_info->vram_bit_width;
chunk->vram_size = rad_info->vram_size;
chunk->l2_cache_size = rad_info->l2_cache_size;
chunk->l1_cache_size = rad_info->l1_cache_size;
chunk->lds_size = rad_info->lds_size_per_workgroup;
strncpy(chunk->gpu_name, device->physical_device->name, SQTT_GPU_NAME_MAX_SIZE);
chunk->alu_per_clock = 0.0;
chunk->texture_per_clock = 0.0;
chunk->prims_per_clock = 0.0;
chunk->pixels_per_clock = 0.0;
chunk->gpu_timestamp_frequency = rad_info->clock_crystal_freq * 1000;
chunk->max_shader_core_clock = rad_info->max_shader_clock * 1000000;
chunk->max_memory_clock = rad_info->max_memory_clock * 1000000;
chunk->memory_ops_per_clock = 0;
chunk->memory_chip_type = radv_vram_type_to_sqtt_memory_type(rad_info->vram_type);
chunk->lds_granularity = rad_info->lds_granularity;
for (unsigned se = 0; se < 4; se++) {
for (unsigned sa = 0; sa < 2; sa++) {
chunk->cu_mask[se][sa] = rad_info->cu_mask[se][sa];
}
}
}
/**
* SQTT API info.
*/
enum sqtt_api_type {
SQTT_API_TYPE_DIRECTX_12,
SQTT_API_TYPE_VULKAN,
SQTT_API_TYPE_GENERIC,
SQTT_API_TYPE_OPENCL
};
enum sqtt_instruction_trace_mode
{
SQTT_INSTRUCTION_TRACE_DISABLED = 0x0,
SQTT_INSTRUCTION_TRACE_FULL_FRAME = 0x1,
SQTT_INSTRUCTION_TRACE_API_PSO = 0x2,
};
enum sqtt_profiling_mode {
SQTT_PROFILING_MODE_PRESENT = 0x0,
SQTT_PROFILING_MODE_USER_MARKERS = 0x1,
SQTT_PROFILING_MODE_INDEX = 0x2,
SQTT_PROFILING_MODE_TAG = 0x3,
};
union sqtt_profiling_mode_data {
struct {
char start[256];
char end[256];
} user_marker_profiling_data;
struct {
uint32_t start;
uint32_t end;
} index_profiling_data;
struct {
uint32_t begin_hi;
uint32_t begin_lo;
uint32_t end_hi;
uint32_t end_lo;
} tag_profiling_data;
};
union sqtt_instruction_trace_data {
struct {
uint64_t api_pso_filter;
} api_pso_data;
struct {
char start[256];
char end[256];
} user_marker_data;
};
struct sqtt_file_chunk_api_info {
struct sqtt_file_chunk_header header;
enum sqtt_api_type api_type;
uint16_t major_version;
uint16_t minor_version;
enum sqtt_profiling_mode profiling_mode;
uint32_t reserved;
union sqtt_profiling_mode_data profiling_mode_data;
enum sqtt_instruction_trace_mode instruction_trace_mode;
uint32_t reserved2;
union sqtt_instruction_trace_data instruction_trace_data;
};
static_assert(sizeof(struct sqtt_file_chunk_api_info) == 1064,
"sqtt_file_chunk_api_info doesn't match RGP spec");
static void
radv_sqtt_fill_api_info(struct sqtt_file_chunk_api_info *chunk)
{
chunk->header.chunk_id.type = SQTT_FILE_CHUNK_TYPE_API_INFO;
chunk->header.chunk_id.index = 0;
chunk->header.major_version = 0;
chunk->header.minor_version = 1;
chunk->header.size_in_bytes = sizeof(*chunk);
chunk->api_type = SQTT_API_TYPE_VULKAN;
chunk->major_version = 0;
chunk->minor_version = 0;
chunk->profiling_mode = SQTT_PROFILING_MODE_PRESENT;
chunk->instruction_trace_mode = SQTT_INSTRUCTION_TRACE_DISABLED;
}
/**
* SQTT desc info.
*/
struct sqtt_file_chunk_sqtt_desc {
struct sqtt_file_chunk_header header;
int32_t shader_engine_index;
enum sqtt_version sqtt_version;
union {
struct {
int32_t instrumentation_version;
} v0;
struct {
int16_t instrumentation_spec_version;
int16_t instrumentation_api_version;
int32_t compute_unit_index;
} v1;
};
};
static_assert(sizeof(struct sqtt_file_chunk_sqtt_desc) == 32,
"sqtt_file_chunk_sqtt_desc doesn't match RGP spec");
static enum sqtt_version
radv_chip_class_to_sqtt_version(enum chip_class chip_class)
{
switch (chip_class) {
case GFX6:
return SQTT_VERSION_2_0;
case GFX7:
return SQTT_VERSION_2_1;
case GFX8:
return SQTT_VERSION_2_2;
case GFX9:
return SQTT_VERSION_2_3;
case GFX10:
return SQTT_VERSION_2_4;
default:
unreachable("Invalid chip class");
}
}
static void
radv_sqtt_fill_sqtt_desc(struct radv_device *device,
struct sqtt_file_chunk_sqtt_desc *chunk,
int32_t chunk_index,
int32_t shader_engine_index,
int32_t compute_unit_index)
{
chunk->header.chunk_id.type = SQTT_FILE_CHUNK_TYPE_SQTT_DESC;
chunk->header.chunk_id.index = chunk_index;
chunk->header.major_version = 0;
chunk->header.minor_version = 2;
chunk->header.size_in_bytes = sizeof(*chunk);
chunk->sqtt_version = radv_chip_class_to_sqtt_version(device->physical_device->rad_info.chip_class);
chunk->shader_engine_index = shader_engine_index;
chunk->v1.instrumentation_spec_version = 1;
chunk->v1.instrumentation_api_version = 0;
chunk->v1.compute_unit_index = compute_unit_index;
}
/**
* SQTT data info.
*/
struct sqtt_file_chunk_sqtt_data {
struct sqtt_file_chunk_header header;
int32_t offset; /* in bytes */
int32_t size; /* in bytes */
};
static_assert(sizeof(struct sqtt_file_chunk_sqtt_data) == 24,
"sqtt_file_chunk_sqtt_data doesn't match RGP spec");
static void
radv_sqtt_fill_sqtt_data(struct sqtt_file_chunk_sqtt_data *chunk,
int32_t chunk_index, int32_t offset, int32_t size)
{
chunk->header.chunk_id.type = SQTT_FILE_CHUNK_TYPE_SQTT_DATA;
chunk->header.chunk_id.index = chunk_index;
chunk->header.major_version = 0;
chunk->header.minor_version = 0;
chunk->header.size_in_bytes = sizeof(*chunk) + size;
chunk->offset = sizeof(*chunk) + offset;
chunk->size = size;
}
static void
radv_sqtt_dump_data(struct radv_device *device,
const struct radv_thread_trace *thread_trace,
FILE *output)
{
struct sqtt_file_chunk_asic_info asic_info = {0};
struct sqtt_file_chunk_cpu_info cpu_info = {0};
struct sqtt_file_chunk_api_info api_info = {0};
struct sqtt_file_header header = {0};
size_t file_offset = 0;
/* SQTT header file. */
radv_sqtt_fill_header(&header);
file_offset += sizeof(header);
fwrite(&header, sizeof(header), 1, output);
/* SQTT cpu chunk. */
radv_sqtt_fill_cpu_info(&cpu_info);
file_offset += sizeof(cpu_info);
fwrite(&cpu_info, sizeof(cpu_info), 1, output);
/* SQTT asic chunk. */
radv_fill_sqtt_asic_info(device, &asic_info);
file_offset += sizeof(asic_info);
fwrite(&asic_info, sizeof(asic_info), 1, output);
/* SQTT api chunk. */
radv_sqtt_fill_api_info(&api_info);
file_offset += sizeof(api_info);
fwrite(&api_info, sizeof(api_info), 1, output);
if (thread_trace) {
for (unsigned i = 0; i < thread_trace->num_traces; i++) {
const struct radv_thread_trace_se *se = &thread_trace->traces[i];
const struct radv_thread_trace_info *info = &se->info;
struct sqtt_file_chunk_sqtt_desc desc = {0};
struct sqtt_file_chunk_sqtt_data data = {0};
uint64_t size = info->cur_offset * 32; /* unit of 32 bytes */
/* SQTT desc chunk. */
radv_sqtt_fill_sqtt_desc(device, &desc, i,
se->shader_engine,
se->compute_unit);
file_offset += sizeof(desc);
fwrite(&desc, sizeof(desc), 1, output);
/* SQTT data chunk. */
radv_sqtt_fill_sqtt_data(&data, i, file_offset, size);
file_offset += sizeof(data);
fwrite(&data, sizeof(data), 1, output);
/* Copy thread trace data generated by the hardware. */
file_offset += size;
fwrite(se->data_ptr, size, 1, output);
}
}
}
int
radv_dump_thread_trace(struct radv_device *device,
const struct radv_thread_trace *thread_trace)
{
char filename[2048];
struct tm now;
time_t t;
FILE *f;
t = time(NULL);
now = *localtime(&t);
snprintf(filename, sizeof(filename), "/tmp/%s_%04d.%02d.%02d_%02d.%02d.rgp",
util_get_process_name(), 1900 + now.tm_year, now.tm_mon + 1,
now.tm_mday, now.tm_hour, now.tm_min);
f = fopen(filename, "w+");
if (!f)
return -1;
radv_sqtt_dump_data(device, thread_trace, f);
fprintf(stderr, "Thread trace capture saved to '%s'\n", filename);
fclose(f);
return 0;
}