rocm-systems/projects/rocprofiler/include/rocprofiler/rocprofiler.h

/******************************************************************************
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*******************************************************************************/

////////////////////////////////////////////////////////////////////////////////
//
// ROC Profiler API
//
// The goal of the implementation is to provide a HW specific low-level
// performance analysis interface for profiling of GPU compute applications.
// The profiling includes HW performance counters (PMC) with complex
// performance metrics and traces.
//
// The library can be used by a tool library loaded by HSA runtime or by
// higher level HW independent performance analysis API like PAPI.
//
// The library is written on C and will be based on AQLprofile AMD specific
// HSA extension. The library implementation requires HSA API intercepting and
// a profiling queue supporting a submit callback interface.
//
//

#ifndef INC_ROCPROFILER_H_
#define INC_ROCPROFILER_H_

/* Placeholder for calling convention and import/export macros */
#if !defined(ROCPROFILER_CALL)
#define ROCPROFILER_CALL
#endif /* !defined (ROCPROFILER_CALL) */

#if !defined(ROCPROFILER_EXPORT_DECORATOR)
#if defined(__GNUC__)
#define ROCPROFILER_EXPORT_DECORATOR __attribute__((visibility("default")))
#elif defined(_MSC_VER)
#define ROCPROFILER_EXPORT_DECORATOR __declspec(dllexport)
#endif /* defined (_MSC_VER) */
#endif /* !defined (ROCPROFILER_EXPORT_DECORATOR) */

#if !defined(ROCPROFILER_IMPORT_DECORATOR)
#if defined(__GNUC__)
#define ROCPROFILER_IMPORT_DECORATOR
#elif defined(_MSC_VER)
#define ROCPROFILER_IMPORT_DECORATOR __declspec(dllimport)
#endif /* defined (_MSC_VER) */
#endif /* !defined (ROCPROFILER_IMPORT_DECORATOR) */

#define ROCPROFILER_EXPORT ROCPROFILER_EXPORT_DECORATOR ROCPROFILER_CALL
#define ROCPROFILER_IMPORT ROCPROFILER_IMPORT_DECORATOR ROCPROFILER_CALL

#if !defined(ROCPROFILER)
#if defined(ROCPROFILER_EXPORTS)
#define ROCPROFILER_API ROCPROFILER_EXPORT
#else /* !defined (ROCPROFILER_EXPORTS) */
#define ROCPROFILER_API ROCPROFILER_IMPORT
#endif /* !defined (ROCPROFILER_EXPORTS) */
#endif /* !defined (ROCPROFILER) */

#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#include <hsa/amd_hsa_kernel_code.h>
#include <hsa/hsa.h>
#include <hsa/hsa_ext_amd.h>
#include <hsa/hsa_ven_amd_aqlprofile.h>
#include <stdint.h>


#define ROCPROFILER_VERSION_MAJOR 8
#define ROCPROFILER_VERSION_MINOR 0

////////////////////////////////////////////////////////////////////////////////
// Returning library version
uint32_t rocprofiler_version_major();
uint32_t rocprofiler_version_minor();

////////////////////////////////////////////////////////////////////////////////
// Global properties structure

typedef struct {
  uint32_t intercept_mode;
  uint32_t code_obj_tracking;
  uint32_t memcopy_tracking;
  uint32_t trace_size;
  uint32_t trace_local;
  uint64_t timeout;
  uint32_t timestamp_on;
  uint32_t hsa_intercepting;
  uint32_t k_concurrent;
  uint32_t opt_mode;
  uint32_t obj_dumping;
} rocprofiler_settings_t;

////////////////////////////////////////////////////////////////////////////////
// Returning the error string method

hsa_status_t rocprofiler_error_string(
    const char** str);  // [out] the API error string pointer returning

////////////////////////////////////////////////////////////////////////////////
// Profiling features and data
//
// Profiling features objects have profiling feature info, type, parameters and data
// Also profiling data samplaes can be iterated using a callback

// Profiling feature kind
typedef enum {
  ROCPROFILER_FEATURE_KIND_METRIC = 0,
  ROCPROFILER_FEATURE_KIND_TRACE = 1,
  ROCPROFILER_FEATURE_KIND_SPM_MOD = 2,
  ROCPROFILER_FEATURE_KIND_PCSMP_MOD = 4
} rocprofiler_feature_kind_t;

// Profiling feture parameter
typedef hsa_ven_amd_aqlprofile_parameter_t rocprofiler_parameter_t;

// Profiling data kind
typedef enum {
  ROCPROFILER_DATA_KIND_UNINIT = 0,
  ROCPROFILER_DATA_KIND_INT32 = 1,
  ROCPROFILER_DATA_KIND_INT64 = 2,
  ROCPROFILER_DATA_KIND_FLOAT = 3,
  ROCPROFILER_DATA_KIND_DOUBLE = 4,
  ROCPROFILER_DATA_KIND_BYTES = 5
} rocprofiler_data_kind_t;

// Profiling data type
typedef struct {
  rocprofiler_data_kind_t kind;  // result kind
  union {
    uint32_t result_int32;  // 32bit integer result
    uint64_t result_int64;  // 64bit integer result
    float result_float;     // float single-precision result
    double result_double;   // float double-precision result
    struct {
      void* ptr;
      uint32_t size;
      uint32_t instance_count;
      bool copy;
    } result_bytes;  // data by ptr and byte size
  };
} rocprofiler_data_t;

// Profiling feature type
typedef struct {
  rocprofiler_feature_kind_t kind;  // feature kind
  union {
    const char* name;  // feature name
    struct {
      const char* block;  // counter block name
      uint32_t event;     // counter event id
    } counter;
  };
  const rocprofiler_parameter_t* parameters;  // feature parameters array
  uint32_t parameter_count;                   // feature parameters count
  rocprofiler_data_t data;                    // profiling data
} rocprofiler_feature_t;

// Profiling features set type
typedef void rocprofiler_feature_set_t;

////////////////////////////////////////////////////////////////////////////////
// Profiling context
//
// Profiling context object accumuate all profiling information

// Profiling context object
typedef void rocprofiler_t;

// Profiling group object
typedef struct {
  unsigned index;                    // group index
  rocprofiler_feature_t** features;  // profiling info array
  uint32_t feature_count;            // profiling info count
  rocprofiler_t* context;            // context object
} rocprofiler_group_t;

// Profiling mode mask
typedef enum {
  ROCPROFILER_MODE_STANDALONE = 1,   // standalone mode when ROC profiler supports a queue
  ROCPROFILER_MODE_CREATEQUEUE = 2,  // ROC profiler creates queue in standalone mode
  ROCPROFILER_MODE_SINGLEGROUP = 4   // only one group is allowed, failed otherwise
} rocprofiler_mode_t;

// Profiling handler, calling on profiling completion
typedef bool (*rocprofiler_handler_t)(rocprofiler_group_t group, void* arg);

// Profiling preperties
typedef struct {
  hsa_queue_t* queue;             // queue for STANDALONE mode
                                  // the queue is created and returned in CREATEQUEUE mode
  uint32_t queue_depth;           // created queue depth
  rocprofiler_handler_t handler;  // handler on completion
  void* handler_arg;              // the handler arg
} rocprofiler_properties_t;

// Create new profiling context
hsa_status_t rocprofiler_open(hsa_agent_t agent,                // GPU handle
                              rocprofiler_feature_t* features,  // [in] profiling features array
                              uint32_t feature_count,           // profiling info count
                              rocprofiler_t** context,          // [out] context object
                              uint32_t mode,                    // profiling mode mask
                              rocprofiler_properties_t* properties);  // profiling properties

// Add feature to a features set
hsa_status_t rocprofiler_add_feature(
    const rocprofiler_feature_t* feature,      // [in]
    rocprofiler_feature_set_t* features_set);  // [in/out] profiling features set

// Create new profiling context
hsa_status_t rocprofiler_features_set_open(
    hsa_agent_t agent,                        // GPU handle
    rocprofiler_feature_set_t* features_set,  // [in] profiling features set
    rocprofiler_t** context,                  // [out] context object
    uint32_t mode,                            // profiling mode mask
    rocprofiler_properties_t* properties);    // profiling properties

// Delete profiling info
hsa_status_t rocprofiler_close(rocprofiler_t* context);  // [in] profiling context

// Context reset before reusing
hsa_status_t rocprofiler_reset(rocprofiler_t* context,  // [in] profiling context
                               uint32_t group_index);   // group index

// Return context agent
hsa_status_t rocprofiler_get_agent(rocprofiler_t* context,  // [in] profiling context
                                   hsa_agent_t* agent);     // [out] GPU handle

// Supported time value ID
typedef enum {
  ROCPROFILER_TIME_ID_CLOCK_REALTIME = 0,          // Linux realtime clock time
  ROCPROFILER_TIME_ID_CLOCK_REALTIME_COARSE = 1,   // Linux realtime-coarse clock time
  ROCPROFILER_TIME_ID_CLOCK_MONOTONIC = 2,         // Linux monotonic clock time
  ROCPROFILER_TIME_ID_CLOCK_MONOTONIC_COARSE = 3,  // Linux monotonic-coarse clock time
  ROCPROFILER_TIME_ID_CLOCK_MONOTONIC_RAW = 4,     // Linux monotonic-raw clock time
} rocprofiler_time_id_t;

// Return time value for a given time ID and profiling timestamp
hsa_status_t rocprofiler_get_time(
    rocprofiler_time_id_t time_id,  // identifier of the particular time to convert the timesatmp
    uint64_t timestamp,             // profiling timestamp
    uint64_t* value_ns,             // [out] returned time 'ns' value, ignored if NULL
    uint64_t* error_ns);            // [out] returned time error 'ns' value, ignored if NULL

////////////////////////////////////////////////////////////////////////////////
// Queue callbacks
//
// Queue callbacks for initiating profiling per kernel dispatch and to wait
// the profiling data on the queue destroy.

// Dispatch record
typedef struct {
  uint64_t dispatch;  // dispatch timestamp, ns
  uint64_t begin;     // kernel begin timestamp, ns
  uint64_t end;       // kernel end timestamp, ns
  uint64_t complete;  // completion signal timestamp, ns
} rocprofiler_dispatch_record_t;

// Profiling callback data
typedef struct {
  hsa_agent_t agent;         // GPU agent handle
  uint32_t agent_index;      // GPU index (GPU Driver Node ID as reported in the sysfs topology)
  const hsa_queue_t* queue;  // HSA queue
  uint64_t queue_index;      // Index in the queue
  uint32_t queue_id;         // Queue id
  hsa_signal_t completion_signal;               // Completion signal
  const hsa_kernel_dispatch_packet_t* packet;   // HSA dispatch packet
  const char* kernel_name;                      // Kernel name
  uint64_t kernel_object;                       // Kernel object address
  const amd_kernel_code_t* kernel_code;         // Kernel code pointer
  uint32_t thread_id;                           // Thread id
  const rocprofiler_dispatch_record_t* record;  // Dispatch record
} rocprofiler_callback_data_t;

// Profiling callback type
typedef hsa_status_t (*rocprofiler_callback_t)(
    const rocprofiler_callback_data_t* callback_data,  // [in] callback data
    void* user_data,                                   // [in/out] user data passed to the callback
    rocprofiler_group_t* group);                       // [out] returned profiling group

// Queue callbacks
typedef struct {
  rocprofiler_callback_t dispatch;                          // dispatch callback
  hsa_status_t (*create)(hsa_queue_t* queue, void* data);   // create callback
  hsa_status_t (*destroy)(hsa_queue_t* queue, void* data);  // destroy callback
} rocprofiler_queue_callbacks_t;

// Set queue callbacks
hsa_status_t rocprofiler_set_queue_callbacks(rocprofiler_queue_callbacks_t callbacks,  // callbacks
                                             void* data);  // [in/out] passed callbacks data

// Remove queue callbacks
hsa_status_t rocprofiler_remove_queue_callbacks();

// Start/stop queue callbacks
hsa_status_t rocprofiler_start_queue_callbacks();
hsa_status_t rocprofiler_stop_queue_callbacks();

////////////////////////////////////////////////////////////////////////////////
// Start/stop profiling
//
// Start/stop the context profiling invocation, have to be as many as
// contect.invocations' to collect all profiling data

// Start profiling
hsa_status_t rocprofiler_start(rocprofiler_t* context,  // [in/out] profiling context
                               uint32_t group_index);   // group index

// Stop profiling
hsa_status_t rocprofiler_stop(rocprofiler_t* context,  // [in/out] profiling context
                              uint32_t group_index);   // group index

// Read profiling
hsa_status_t rocprofiler_read(rocprofiler_t* context,  // [in/out] profiling context
                              uint32_t group_index);   // group index

// Read profiling data
hsa_status_t rocprofiler_get_data(rocprofiler_t* context,  // [in/out] profiling context
                                  uint32_t group_index);   // group index

// Get profiling groups count
hsa_status_t rocprofiler_group_count(const rocprofiler_t* context,  // [in] profiling context
                                     uint32_t* group_count);        // [out] profiling groups count

// Get profiling group for a given index
hsa_status_t rocprofiler_get_group(rocprofiler_t* context,       // [in] profiling context
                                   uint32_t group_index,         // profiling group index
                                   rocprofiler_group_t* group);  // [out] profiling group

// Start profiling
hsa_status_t rocprofiler_group_start(rocprofiler_group_t* group);  // [in/out] profiling group

// Stop profiling
hsa_status_t rocprofiler_group_stop(rocprofiler_group_t* group);  // [in/out] profiling group

// Read profiling
hsa_status_t rocprofiler_group_read(rocprofiler_group_t* group);  // [in/out] profiling group

// Get profiling data
hsa_status_t rocprofiler_group_get_data(rocprofiler_group_t* group);  // [in/out] profiling group

// Get metrics data
hsa_status_t rocprofiler_get_metrics(const rocprofiler_t* context);  // [in/out] profiling context

// Definition of output data iterator callback
typedef hsa_ven_amd_aqlprofile_data_callback_t rocprofiler_trace_data_callback_t;

// Method for iterating the events output data
hsa_status_t rocprofiler_iterate_trace_data(
    rocprofiler_t* context,                      // [in] profiling context
    rocprofiler_trace_data_callback_t callback,  // callback to iterate the output data
    void* data);                                 // [in/out] callback data

////////////////////////////////////////////////////////////////////////////////
// Profiling features and data
//
// Profiling features objects have profiling feature info, type, parameters and data
// Also profiling data samplaes can be iterated using a callback

// Profiling info kind
typedef enum {
  ROCPROFILER_INFO_KIND_METRIC = 0,                // metric info
  ROCPROFILER_INFO_KIND_METRIC_COUNT = 1,          // metric features count, int32
  ROCPROFILER_INFO_KIND_TRACE = 2,                 // trace info
  ROCPROFILER_INFO_KIND_TRACE_COUNT = 3,           // trace features count, int32
  ROCPROFILER_INFO_KIND_TRACE_PARAMETER = 4,       // trace parameter info
  ROCPROFILER_INFO_KIND_TRACE_PARAMETER_COUNT = 5  // trace parameter count, int32
} rocprofiler_info_kind_t;

// Profiling info query
typedef union {
  rocprofiler_info_kind_t info_kind;  // queried profiling info kind
  struct {
    const char* trace_name;  // queried info trace name
  } trace_parameter;
} rocprofiler_info_query_t;

// Profiling info data
typedef struct {
  uint32_t
      agent_index;  // GPU HSA agent index (GPU Driver Node ID as reported in the sysfs topology)
  rocprofiler_info_kind_t kind;  // info data kind
  union {
    struct {
      const char* name;         // metric name
      uint32_t instances;       // instances number
      const char* expr;         // metric expression, NULL for basic counters
      const char* description;  // metric description
      const char* block_name;   // block name
      uint32_t block_counters;  // number of block counters
    } metric;
    struct {
      const char* name;          // trace name
      const char* description;   // trace description
      uint32_t parameter_count;  // supported by the trace number parameters
    } trace;
    struct {
      uint32_t code;               // parameter code
      const char* trace_name;      // trace name
      const char* parameter_name;  // parameter name
      const char* description;     // trace parameter description
    } trace_parameter;
  };
} rocprofiler_info_data_t;

// Return the info for a given info kind
hsa_status_t rocprofiler_get_info(const hsa_agent_t* agent,      // [in] GFXIP handle
                                  rocprofiler_info_kind_t kind,  // kind of iterated info
                                  void* data);                   // [in/out] returned data

// Iterate over the info for a given info kind, and invoke an application-defined callback on every
// iteration
hsa_status_t rocprofiler_iterate_info(const hsa_agent_t* agent,      // [in] GFXIP handle
                                      rocprofiler_info_kind_t kind,  // kind of iterated info
                                      hsa_status_t (*callback)(const rocprofiler_info_data_t info,
                                                               void* data),  // callback
                                      void* data);  // [in/out] data passed to callback

// Iterate over the info for a given info query, and invoke an application-defined callback on every
// iteration
hsa_status_t rocprofiler_query_info(const hsa_agent_t* agent,        // [in] GFXIP handle
                                    rocprofiler_info_query_t query,  // iterated info query
                                    hsa_status_t (*callback)(const rocprofiler_info_data_t info,
                                                             void* data),  // callback
                                    void* data);  // [in/out] data passed to callback

// Create a profiled queue. All dispatches on this queue will be profiled
hsa_status_t rocprofiler_queue_create_profiled(
    hsa_agent_t agent_handle, uint32_t size, hsa_queue_type32_t type,
    void (*callback)(hsa_status_t status, hsa_queue_t* source, void* data), void* data,
    uint32_t private_segment_size, uint32_t group_segment_size, hsa_queue_t** queue);

////////////////////////////////////////////////////////////////////////////////
// Profiling pool
//
// Support for profiling contexts pool
// The API provide capability to create a contexts pool for a given agent and a set of features,
// to fetch/relase a context entry, to register a callback for the contexts completion.

// Profiling pool handle
typedef void rocprofiler_pool_t;

// Profiling pool entry
typedef struct {
  rocprofiler_t* context;  // context object
  void* payload;           // payload data object
} rocprofiler_pool_entry_t;

// Profiling handler, calling on profiling completion
typedef bool (*rocprofiler_pool_handler_t)(const rocprofiler_pool_entry_t* entry, void* arg);

// Profiling preperties
typedef struct {
  uint32_t num_entries;                // pool size entries
  uint32_t payload_bytes;              // payload size bytes
  rocprofiler_pool_handler_t handler;  // handler on context completion
  void* handler_arg;                   // the handler arg
} rocprofiler_pool_properties_t;

// Open profiling pool
hsa_status_t rocprofiler_pool_open(
    hsa_agent_t agent,                // GPU handle
    rocprofiler_feature_t* features,  // [in] profiling features array
    uint32_t feature_count,           // profiling info count
    rocprofiler_pool_t** pool,        // [out] context object
    uint32_t mode,                    // profiling mode mask
    rocprofiler_pool_properties_t*);  // pool properties

// Close profiling pool
hsa_status_t rocprofiler_pool_close(rocprofiler_pool_t* pool);  // profiling pool handle

// Fetch profiling pool entry
hsa_status_t rocprofiler_pool_fetch(
    rocprofiler_pool_t* pool,          // profiling pool handle
    rocprofiler_pool_entry_t* entry);  // [out] empty profiling pool entry

// Release profiling pool entry
hsa_status_t rocprofiler_pool_release(
    rocprofiler_pool_entry_t* entry);  // released profiling pool entry

// Iterate fetched profiling pool entries
hsa_status_t rocprofiler_pool_iterate(rocprofiler_pool_t* pool,  // profiling pool handle
                                      hsa_status_t (*callback)(rocprofiler_pool_entry_t* entry,
                                                               void* data),  // callback
                                      void* data);  // [in/out] data passed to callback

// Flush completed entries in profiling pool
hsa_status_t rocprofiler_pool_flush(rocprofiler_pool_t* pool);  // profiling pool handle

////////////////////////////////////////////////////////////////////////////////
// HSA intercepting API

// HSA callbacks ID enumeration
typedef enum {
  ROCPROFILER_HSA_CB_ID_ALLOCATE = 0,  // Memory allocate callback
  ROCPROFILER_HSA_CB_ID_DEVICE = 1,    // Device assign callback
  ROCPROFILER_HSA_CB_ID_MEMCOPY = 2,   // Memcopy callback
  ROCPROFILER_HSA_CB_ID_SUBMIT = 3,    // Packet submit callback
  ROCPROFILER_HSA_CB_ID_KSYMBOL = 4,   // Loading/unloading of kernel symbol
  ROCPROFILER_HSA_CB_ID_CODEOBJ = 5    // Loading/unloading of kernel symbol
} rocprofiler_hsa_cb_id_t;

// HSA callback data type
typedef struct {
  union {
    struct {
      const void* ptr;            // allocated area ptr
      size_t size;                // allocated area size, zero size means 'free' callback
      hsa_amd_segment_t segment;  // allocated area's memory segment type
      hsa_amd_memory_pool_global_flag_t global_flag;  // allocated area's memory global flag
      int is_code;                                    // equal to 1 if code is allocated
    } allocate;
    struct {
      hsa_device_type_t type;  // type of assigned device
      uint32_t id;             // id of assigned device
      hsa_agent_t agent;       // device HSA agent handle
      const void* ptr;         // ptr the device is assigned to
    } device;
    struct {
      const void* dst;  // memcopy dst ptr
      const void* src;  // memcopy src ptr
      size_t size;      // memcopy size bytes
    } memcopy;
    struct {
      const void* packet;       // submitted to GPU packet
      const char* kernel_name;  // kernel name, not NULL if dispatch
      hsa_queue_t* queue;       // HSA queue the kernel was submitted to
      uint32_t device_type;     // type of device the packed is submitted to
      uint32_t device_id;       // id of device the packed is submitted to
    } submit;
    struct {
      uint64_t object;       // kernel symbol object
      const char* name;      // kernel symbol name
      uint32_t name_length;  // kernel symbol name length
      int unload;            // symbol executable destroy
    } ksymbol;
    struct {
      uint32_t storage_type;  // code object storage type
      int storage_file;       // origin file descriptor
      uint64_t memory_base;   // origin memory base
      uint64_t memory_size;   // origin memory size
      uint64_t load_base;     // codeobj load base
      uint64_t load_size;     // codeobj load size
      uint64_t load_delta;    // codeobj load size
      uint32_t uri_length;    // URI string length
      char* uri;              // URI string
      int unload;             // unload flag
    } codeobj;
  };
} rocprofiler_hsa_callback_data_t;

// HSA callback function type
typedef hsa_status_t (*rocprofiler_hsa_callback_fun_t)(
    rocprofiler_hsa_cb_id_t id,                   // callback id
    const rocprofiler_hsa_callback_data_t* data,  // [in] callback data
    void* arg);                                   // [in/out] user passed data

// HSA callbacks structure
typedef struct {
  rocprofiler_hsa_callback_fun_t allocate;  // memory allocate callback
  rocprofiler_hsa_callback_fun_t device;    // agent assign callback
  rocprofiler_hsa_callback_fun_t memcopy;   // memory copy callback
  rocprofiler_hsa_callback_fun_t submit;    // packet submit callback
  rocprofiler_hsa_callback_fun_t ksymbol;   // kernel symbol callback
  rocprofiler_hsa_callback_fun_t codeobj;   // codeobject load/unload callback
} rocprofiler_hsa_callbacks_t;

// Set callbacks. If the callback is NULL then it is disabled.
// If callback returns a value that is not HSA_STATUS_SUCCESS the  callback
// will be unregistered.
hsa_status_t rocprofiler_set_hsa_callbacks(
    const rocprofiler_hsa_callbacks_t callbacks,  // HSA callback function
    void* arg);                                   // callback user data

#ifdef __cplusplus
}  // extern "C" block
#endif  // __cplusplus

#endif  // INC_ROCPROFILER_H_