Rawat, Swati
97b7a6315d
* 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>
121 wiersze
4.6 KiB
C++
121 wiersze
4.6 KiB
C++
// MIT License
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//
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// Copyright (c) 2024-2025 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "lib/rocprofiler-sdk/counters/ioctl.hpp"
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#include "lib/rocprofiler-sdk/details/kfd_ioctl.h"
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#include "lib/rocprofiler-sdk/pc_sampling/ioctl/ioctl_adapter.hpp"
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#include <sys/ioctl.h>
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#include <cerrno>
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namespace rocprofiler
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{
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namespace counters
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{
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bool
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counter_collection_has_device_lock()
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{
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kfd_ioctl_profiler_args args = {};
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args.op = KFD_IOC_PROFILER_VERSION;
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int ret = ioctl(pc_sampling::ioctl::get_kfd_fd(), AMDKFD_IOC_PROFILER, &args);
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if(ret == 0)
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{
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return true;
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}
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return false;
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}
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rocprofiler_status_t
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counter_collection_device_lock(const rocprofiler_agent_t* agent, bool all_queues)
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{
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CHECK(agent);
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kfd_ioctl_profiler_args args = {};
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args.op = KFD_IOC_PROFILER_PMC;
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args.pmc.gpu_id = agent->gpu_id;
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args.pmc.lock = 1;
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args.pmc.perfcount_enable = all_queues ? 1 : 0;
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int ret = ioctl(pc_sampling::ioctl::get_kfd_fd(), AMDKFD_IOC_PROFILER, &args);
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if(ret != 0)
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{
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switch(ret)
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{
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case -EBUSY:
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ROCP_WARNING << fmt::format(
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"Device {} has a profiler attached to it. PMC Counters may be inaccurate.",
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agent->id.handle);
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return ROCPROFILER_STATUS_ERROR_OUT_OF_RESOURCES;
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case -EPERM:
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ROCP_WARNING << fmt::format(
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"Device {} could not be locked for profiling due to lack of permissions "
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"(capability SYS_PERFMON). PMC Counters may be inaccurate and System Counter "
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"Collection will be degraded.",
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agent->id.handle);
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return ROCPROFILER_STATUS_ERROR_PERMISSION_DENIED;
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case -EINVAL:
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ROCP_WARNING << fmt::format(
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"Driver/Kernel version does not support locking device {}. PMC Counters may be "
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"inaccurate and System Counter Collection will be degraded.",
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agent->id.handle);
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return ROCPROFILER_STATUS_ERROR_INCOMPATIBLE_ABI;
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default:
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ROCP_WARNING << fmt::format(
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"Failed to lock device {}. PMC Counters may be inaccurate and System Counter "
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"Collection will be degraded.",
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agent->id.handle);
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return ROCPROFILER_STATUS_ERROR;
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}
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}
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return ROCPROFILER_STATUS_SUCCESS;
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}
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// Not required now but may be useful in the future.
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// rocprofiler_status_t
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// counter_collection_device_unlock(const rocprofiler_agent_t* agent) {
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// CHECK(agent);
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// kfd_ioctl_profiler_args args = {};
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// args.op = KFD_IOC_PROFILER_PMC;
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// args.pmc.gpu_id = agent->gpu_id;
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// args.pmc.lock = 0;
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// args.pmc.perfcount_enable = 0;
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// int ret = ioctl(pc_sampling::ioctl::get_kfd_fd(), AMDKFD_IOC_PROFILER, &args);
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// if (ret != 0) {
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// switch (ret) {
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// case -EBUSY:
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// case -EPERM:
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// ROCP_WARNING << fmt::format("Could not unlock the device {}", agent->id.handle);
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// return ROCPROFILER_STATUS_ERROR;
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// case -EINVAL:
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// return ROCPROFILER_STATUS_ERROR_INCOMPATIBLE_ABI;
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// default:
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// ROCP_WARNING << fmt::format("Could not unlock the device {}", agent->id.handle);
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// return ROCPROFILER_STATUS_ERROR;
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// }
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// }
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// return ROCPROFILER_STATUS_SUCCESS;
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// }
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} // namespace counters
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} // namespace rocprofiler
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