kmp_itt.cpp
#include "kmp_config.h"
#if USE_ITT_BUILD
/*
* kmp_itt.cpp -- ITT Notify interface.
*/
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "kmp_itt.h"
#if KMP_DEBUG
#include "kmp_itt.inl"
#endif
#if USE_ITT_NOTIFY
#include "ittnotify_config.h"
__itt_global __kmp_ittapi_clean_global;
extern __itt_global __kmp_itt__ittapi_global;
kmp_int32 __kmp_barrier_domain_count;
kmp_int32 __kmp_region_domain_count;
__itt_domain *__kmp_itt_barrier_domains[KMP_MAX_FRAME_DOMAINS];
__itt_domain *__kmp_itt_region_domains[KMP_MAX_FRAME_DOMAINS];
__itt_domain *__kmp_itt_imbalance_domains[KMP_MAX_FRAME_DOMAINS];
kmp_int32 __kmp_itt_region_team_size[KMP_MAX_FRAME_DOMAINS];
__itt_domain *metadata_domain = NULL;
__itt_string_handle *string_handle_imbl = NULL;
__itt_string_handle *string_handle_loop = NULL;
__itt_string_handle *string_handle_sngl = NULL;
#include "kmp_i18n.h"
#include "kmp_str.h"
#include "kmp_version.h"
KMP_BUILD_ASSERT(sizeof(kmp_itt_mark_t) == sizeof(__itt_mark_type));
/* Previously used warnings:
KMP_WARNING( IttAllNotifDisabled );
KMP_WARNING( IttObjNotifDisabled );
KMP_WARNING( IttMarkNotifDisabled );
KMP_WARNING( IttUnloadLibFailed, libittnotify );
*/
kmp_int32 __kmp_itt_prepare_delay = 0;
kmp_bootstrap_lock_t __kmp_itt_debug_lock =
KMP_BOOTSTRAP_LOCK_INITIALIZER(__kmp_itt_debug_lock);
#endif // USE_ITT_NOTIFY
void __kmp_itt_reset() {
#if USE_ITT_NOTIFY
__kmp_itt__ittapi_global = __kmp_ittapi_clean_global;
#endif
}
void __kmp_itt_initialize() {
// ITTNotify library is loaded and initialized at first call to any ittnotify
// function, so we do not need to explicitly load it any more. Just report OMP
// RTL version to ITTNotify.
#if USE_ITT_NOTIFY
// Backup a clean global state
__kmp_ittapi_clean_global = __kmp_itt__ittapi_global;
// Report OpenMP RTL version.
kmp_str_buf_t buf;
__itt_mark_type version;
__kmp_str_buf_init(&buf);
__kmp_str_buf_print(&buf, "OMP RTL Version %d.%d.%d", __kmp_version_major,
__kmp_version_minor, __kmp_version_build);
if (__itt_api_version_ptr != NULL) {
__kmp_str_buf_print(&buf, ":%s", __itt_api_version());
}
version = __itt_mark_create(buf.str);
__itt_mark(version, NULL);
__kmp_str_buf_free(&buf);
#endif
} // __kmp_itt_initialize
void __kmp_itt_destroy() {
#if USE_ITT_NOTIFY
__kmp_itt_fini_ittlib();
#endif
} // __kmp_itt_destroy
extern "C" void __itt_error_handler(__itt_error_code err, va_list args) {
switch (err) {
case __itt_error_no_module: {
char const *library = va_arg(args, char const *);
#if KMP_OS_WINDOWS
int sys_err = va_arg(args, int);
kmp_msg_t err_code = KMP_SYSERRCODE(sys_err);
__kmp_msg(kmp_ms_warning, KMP_MSG(IttLoadLibFailed, library), err_code,
__kmp_msg_null);
if (__kmp_generate_warnings == kmp_warnings_off) {
__kmp_str_free(&err_code.str);
}
#else
char const *sys_err = va_arg(args, char const *);
kmp_msg_t err_code = KMP_SYSERRMESG(sys_err);
__kmp_msg(kmp_ms_warning, KMP_MSG(IttLoadLibFailed, library), err_code,
__kmp_msg_null);
if (__kmp_generate_warnings == kmp_warnings_off) {
__kmp_str_free(&err_code.str);
}
#endif
} break;
case __itt_error_no_symbol: {
char const *library = va_arg(args, char const *);
char const *symbol = va_arg(args, char const *);
KMP_WARNING(IttLookupFailed, symbol, library);
} break;
case __itt_error_unknown_group: {
char const *var = va_arg(args, char const *);
char const *group = va_arg(args, char const *);
KMP_WARNING(IttUnknownGroup, var, group);
} break;
case __itt_error_env_too_long: {
char const *var = va_arg(args, char const *);
size_t act_len = va_arg(args, size_t);
size_t max_len = va_arg(args, size_t);
KMP_WARNING(IttEnvVarTooLong, var, (unsigned long)act_len,
(unsigned long)max_len);
} break;
case __itt_error_cant_read_env: {
char const *var = va_arg(args, char const *);
int sys_err = va_arg(args, int);
kmp_msg_t err_code = KMP_ERR(sys_err);
__kmp_msg(kmp_ms_warning, KMP_MSG(CantGetEnvVar, var), err_code,
__kmp_msg_null);
if (__kmp_generate_warnings == kmp_warnings_off) {
__kmp_str_free(&err_code.str);
}
} break;
case __itt_error_system: {
char const *func = va_arg(args, char const *);
int sys_err = va_arg(args, int);
kmp_msg_t err_code = KMP_SYSERRCODE(sys_err);
__kmp_msg(kmp_ms_warning, KMP_MSG(IttFunctionError, func), err_code,
__kmp_msg_null);
if (__kmp_generate_warnings == kmp_warnings_off) {
__kmp_str_free(&err_code.str);
}
} break;
default: {
KMP_WARNING(IttUnknownError, err);
}
}
} // __itt_error_handler
#endif /* USE_ITT_BUILD */