Files
rocm-systems/source/lib/rocprofiler-sdk/counters/ioctl.cpp
T
Rawat, Swati 97b7a6315d update copyright date to 2025 (#102)
* Update LICENSE

* Update conf.py

* Update copyright year

* [fix] Update copyright year

* Update copyright year "ROCm Developer Tools"

* Add license headers to c++ files

* Add license to *.py

* Update licenses in rocdecode sources

---------

Co-authored-by: srawat <120587655+SwRaw@users.noreply.github.com>
Co-authored-by: Mythreya <mythreya.kuricheti@amd.com>
Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>
2025-01-22 19:11:20 -06:00

121 строка
4.6 KiB
C++

// MIT License
//
// Copyright (c) 2024-2025 Advanced Micro Devices, Inc. All rights reserved.
//
// 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 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 "lib/rocprofiler-sdk/counters/ioctl.hpp"
#include "lib/rocprofiler-sdk/details/kfd_ioctl.h"
#include "lib/rocprofiler-sdk/pc_sampling/ioctl/ioctl_adapter.hpp"
#include <sys/ioctl.h>
#include <cerrno>
namespace rocprofiler
{
namespace counters
{
bool
counter_collection_has_device_lock()
{
kfd_ioctl_profiler_args args = {};
args.op = KFD_IOC_PROFILER_VERSION;
int ret = ioctl(pc_sampling::ioctl::get_kfd_fd(), AMDKFD_IOC_PROFILER, &args);
if(ret == 0)
{
return true;
}
return false;
}
rocprofiler_status_t
counter_collection_device_lock(const rocprofiler_agent_t* agent, bool all_queues)
{
CHECK(agent);
kfd_ioctl_profiler_args args = {};
args.op = KFD_IOC_PROFILER_PMC;
args.pmc.gpu_id = agent->gpu_id;
args.pmc.lock = 1;
args.pmc.perfcount_enable = all_queues ? 1 : 0;
int ret = ioctl(pc_sampling::ioctl::get_kfd_fd(), AMDKFD_IOC_PROFILER, &args);
if(ret != 0)
{
switch(ret)
{
case -EBUSY:
ROCP_WARNING << fmt::format(
"Device {} has a profiler attached to it. PMC Counters may be inaccurate.",
agent->id.handle);
return ROCPROFILER_STATUS_ERROR_OUT_OF_RESOURCES;
case -EPERM:
ROCP_WARNING << fmt::format(
"Device {} could not be locked for profiling due to lack of permissions "
"(capability SYS_PERFMON). PMC Counters may be inaccurate and System Counter "
"Collection will be degraded.",
agent->id.handle);
return ROCPROFILER_STATUS_ERROR_PERMISSION_DENIED;
case -EINVAL:
ROCP_WARNING << fmt::format(
"Driver/Kernel version does not support locking device {}. PMC Counters may be "
"inaccurate and System Counter Collection will be degraded.",
agent->id.handle);
return ROCPROFILER_STATUS_ERROR_INCOMPATIBLE_ABI;
default:
ROCP_WARNING << fmt::format(
"Failed to lock device {}. PMC Counters may be inaccurate and System Counter "
"Collection will be degraded.",
agent->id.handle);
return ROCPROFILER_STATUS_ERROR;
}
}
return ROCPROFILER_STATUS_SUCCESS;
}
// Not required now but may be useful in the future.
// rocprofiler_status_t
// counter_collection_device_unlock(const rocprofiler_agent_t* agent) {
// CHECK(agent);
// kfd_ioctl_profiler_args args = {};
// args.op = KFD_IOC_PROFILER_PMC;
// args.pmc.gpu_id = agent->gpu_id;
// args.pmc.lock = 0;
// args.pmc.perfcount_enable = 0;
// int ret = ioctl(pc_sampling::ioctl::get_kfd_fd(), AMDKFD_IOC_PROFILER, &args);
// if (ret != 0) {
// switch (ret) {
// case -EBUSY:
// case -EPERM:
// ROCP_WARNING << fmt::format("Could not unlock the device {}", agent->id.handle);
// return ROCPROFILER_STATUS_ERROR;
// case -EINVAL:
// return ROCPROFILER_STATUS_ERROR_INCOMPATIBLE_ABI;
// default:
// ROCP_WARNING << fmt::format("Could not unlock the device {}", agent->id.handle);
// return ROCPROFILER_STATUS_ERROR;
// }
// }
// return ROCPROFILER_STATUS_SUCCESS;
// }
} // namespace counters
} // namespace rocprofiler