Adding GPU index as a parameter for ATT (#547)

* Adding GPU index as a parameter for ATT

* Tidy fix

* Using tokenize

* Update tests/rocprofv3/advanced-thread-trace/CMakeLists.txt

Co-authored-by: Indic, Vladimir <Vladimir.Indic@amd.com>

* Update tests/rocprofv3/advanced-thread-trace/CMakeLists.txt

* Adding error logging. Using idx instead of id.

---------

Co-authored-by: Giovanni <gbaraldi@amd.com>
Co-authored-by: Indic, Vladimir <Vladimir.Indic@amd.com>

[ROCm/rocprofiler-sdk commit: fd6f96ffb5]

projects/rocprofiler-sdk/source/bin/rocprofv3.py

@@ -781,6 +781,13 @@ For MPI applications (or other job launchers such as SLURM), place rocprofv3 ins
         type=str,
     )
 
+    att_options.add_argument(
+        "--att-gpu-index",
+        help="Comma-separated list of GPU index(es) to enable thread trace. Default: All",
+        default=None,
+        type=str,
+    )
+
     att_options.add_argument(
         "--att-perfcounters",
         help="(gfx9) List of performance counters, and optionally their SIMD mask.",
@@ -1553,6 +1560,12 @@ def run(app_args, args, **kwargs):
                 args.att_serialize_all,
                 overwrite=True,
             )
+        if args.att_gpu_index:
+            update_env(
+                "ROCPROF_ATT_PARAM_GPU_INDEX",
+                args.att_gpu_index,
+                overwrite=True,
+            )
         if check_att_capability(args):
             update_env(
                 "ROCPROF_ATT_LIBRARY_PATH",

projects/rocprofiler-sdk/source/docs/how-to/using-thread-trace.rst

@@ -102,6 +102,9 @@ The following table lists the parameters relevant to thread tracing:
 |                          |         |         |           | Shorthand for att-perfcounter-ctrl and the att-perfcounters  |
 |                          |         |         |           | related to compute unit activity such as VALU, SALU, etc.    |
 +--------------------------+---------+---------+-----------+--------------------------------------------------------------+
+| att-gpu-index            | Integer |         |           | Comma-separated list of integers. If enabled, only the GPU   |
+|                          | (List)  |         |           | indexes in the list will be profiled by thread trace.        |
++--------------------------+---------+---------+-----------+--------------------------------------------------------------+
 
 For AMD Instinct accelerators, enable perfmon streaming using:
 

projects/rocprofiler-sdk/source/lib/rocprofiler-sdk-tool/config.hpp

@@ -151,6 +151,7 @@ struct config : output_config
     std::string pc_sampling_unit        = get_env("ROCPROF_PC_SAMPLING_UNIT", "none");
     std::string extra_counters_contents = get_env("ROCPROF_EXTRA_COUNTERS_CONTENTS", "");
     std::string att_library_path        = get_env("ROCPROF_ATT_LIBRARY_PATH", "");
+    std::string att_gpu_index           = get_env("ROCPROF_ATT_PARAM_GPU_INDEX", "");
 
     std::unordered_set<size_t>         kernel_filter_range    = {};
     std::vector<std::set<std::string>> counters               = {};

projects/rocprofiler-sdk/source/lib/rocprofiler-sdk-tool/tool.cpp

@@ -1941,10 +1941,28 @@ tool_init(rocprofiler_client_finalize_t fini_func, void* tool_data)
             ROCP_FATAL << "ATT Perf requires setting both perfcounter_ctrl and perfcounter list!";
         }
 
+        auto gpu_idx_set = std::set<uint64_t>{};
+
+        for(const auto& entry :
+            rocprofiler::sdk::parse::tokenize(tool::get_config().att_gpu_index, ","))
+        {
+            try
+            {
+                gpu_idx_set.insert(std::stoi(entry));
+            } catch(std::exception& e)
+            {
+                ROCP_FATAL << "Invalid GPU Id string: " << entry << " - " << e.what();
+            }
+        }
+
+        const auto selecting_by_gpuid = !gpu_idx_set.empty();
+
         for(auto& [id, agent] : tool_metadata->agents_map)
         {
             if(agent.type != ROCPROFILER_AGENT_TYPE_GPU) continue;
 
+            if(selecting_by_gpuid && gpu_idx_set.erase(agent.gpu_index) == 0) continue;
+
             auto agent_params = global_parameters;
             for(auto& counter : get_att_perfcounter_params(id, att_perf))
                 agent_params.push_back(counter);
@@ -1959,6 +1977,10 @@ tool_init(rocprofiler_client_finalize_t fini_func, void* tool_data)
                                                                     tool_data),
                 "thread trace service configure");
         }
+
+        // Any agent not removed by above loop was not in the agents_map list
+        for(const auto& entry : gpu_idx_set)
+            ROCP_ERROR << "Invalid GPU Device Index: " << entry;
     }
 
     if(tool::get_config().counter_collection)