Not working well with systems that use P and E cores

[bjorn3]

collector bench_local errors with

thread 'main' panicked at collector/src/compile/execute/mod.rs:565:13:
measurement of `cpu_atom/instructions:u/` only active for 4.00% of the time

by default. If I use taskset to force the benchmarks to run on P cores, it collects everything, but the website will not show anything for the instructions and cycles metrics, likely because perf calls the metrics cpu_core/instructions:u/ and cpu_core/cycles:u/ Selecting the respective metric in the dropdown menu results in a popup with:

Failed to deserialize request: Error("unknown variant `cpu_core/cycles:u/`, expected one of `context-switches`, `cpu-clock`, `cpu-clock:u`, `cycles`, `cycles:u`, `faults`, `faults:u`, `instructions:u`, `max-rss`, `task-clock`, `task-clock:u`, `wall-time`, `branch-misses`, `cache-misses`, `size:codegen_unit_size_estimate`, `size:cgu_instructions`, `size:dep_graph`, `size:linked_artifact`, `size:object_file`, `size:query_cache`, `size:work_product_index`, `size:crate_metadata`, `size:dwo_file`, `size:assembly_file`, `size:llvm_bitcode`, `size:llvm_ir`, `size:doc_bytes`, `size:doc_files_count`", line: 1, column: 74)