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97 lines
4.3 KiB
Python
97 lines
4.3 KiB
Python
import ctypes, pathlib, argparse, pickle, re, functools, dataclasses
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from extra.sqtt.rocprof import rocprof
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from extra.sqtt.disasm import comgr_get_address_table
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from tinygrad.helpers import temp, DEBUG
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from tinygrad.device import ProfileEvent, ProfileProgramEvent
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from tinygrad.runtime.ops_amd import ProfileSQTTEvent
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@dataclasses.dataclass
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class InstInfo:
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typ:str=""
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inst:str=""
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hit:int=0
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lat:int=0
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stall:int=0
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def __str__(self): return f"{self.inst:>20} hits:{self.typ:>6} hits:{self.hit:>6} latency:{self.lat:>6} stall:{self.stall:>6}"
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def on_ev(self, ev):
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self.hit, self.lat, self.stall = self.hit + 1, self.lat + ev.duration, self.stall + ev.stall
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class _ROCParseCtx:
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def __init__(self, sqtt_evs:list[ProfileSQTTEvent], prog_evs:list[ProfileProgramEvent]):
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self.sqtt_evs, self.prog_evs = iter(sqtt_evs), prog_evs
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self.wave_events, self.disasms, self.addr2prg = {}, {}, {}
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for prog in prog_evs:
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for addr, info in comgr_get_address_table(prog.lib).items():
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self.disasms[prog.base + addr] = info
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self.addr2prg[prog.base + addr] = prog
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def next_sqtt(self): return next(self.sqtt_evs, None)
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def find_program(self, addr): return self.addr2prg[addr]
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def on_occupancy_ev(self, ev):
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if DEBUG >= 4: print("OCC", ev.time, ev.cu, ev.simd, ev.wave_id, ev.start)
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def on_wave_ev(self, ev):
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if DEBUG >= 4: print("WAVE", ev.wave_id, ev.cu, ev.simd, ev.contexts, ev.begin_time, ev.end_time)
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asm = {}
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for j in range(ev.instructions_size):
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inst_ev = ev.instructions_array[j]
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inst_typ = rocprof.rocprofiler_thread_trace_decoder_inst_category_t__enumvalues[inst_ev.category]
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asm.setdefault(inst_ev.pc.address, InstInfo(typ=inst_typ, inst=self.disasms[inst_ev.pc.address][0]))
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asm[inst_ev.pc.address].on_ev(inst_ev)
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self.wave_events[(self.find_program(ev.instructions_array[0].pc.address).name, ev.wave_id, ev.cu, ev.simd)] = asm
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument('--profile', type=pathlib.Path, help='Path to profile', default=pathlib.Path(temp("profile.pkl", append_user=True)))
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args = parser.parse_args()
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with args.profile.open("rb") as f: profile = pickle.load(f)
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sqtt_events:list[ProfileSQTTEvent] = []
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prog_events:list[ProfileProgramEvent] = []
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for e in profile:
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if isinstance(e, ProfileSQTTEvent): sqtt_events.append(e)
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if isinstance(e, ProfileProgramEvent) and e.device.startswith("AMD"): prog_events.append(e)
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ROCParseCtx = _ROCParseCtx(sqtt_events, prog_events)
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@rocprof.rocprof_trace_decoder_se_data_callback_t
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def copy_cb(buf, buf_size, data_ptr):
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if (prof:=ROCParseCtx.next_sqtt()) is None: return 0
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buf[0] = ctypes.cast((ctypes.c_ubyte * len(prof.blob)).from_buffer_copy(prof.blob), ctypes.POINTER(ctypes.c_ubyte))
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buf_size[0] = len(prof.blob)
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return len(prof.blob)
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@rocprof.rocprof_trace_decoder_trace_callback_t
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def trace_cb(record_type, events_ptr, n, data_ptr):
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match record_type:
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case rocprof.ROCPROFILER_THREAD_TRACE_DECODER_RECORD_OCCUPANCY:
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for ev in (rocprof.rocprofiler_thread_trace_decoder_occupancy_t * n).from_address(events_ptr): ROCParseCtx.on_occupancy_ev(ev)
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case rocprof.ROCPROFILER_THREAD_TRACE_DECODER_RECORD_WAVE:
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for ev in (rocprof.rocprofiler_thread_trace_decoder_wave_t * n).from_address(events_ptr): ROCParseCtx.on_wave_ev(ev)
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case _:
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if DEBUG >= 2: print(rocprof.rocprofiler_thread_trace_decoder_record_type_t__enumvalues[record_type], events_ptr, n)
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return rocprof.ROCPROFILER_THREAD_TRACE_DECODER_STATUS_SUCCESS
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@rocprof.rocprof_trace_decoder_isa_callback_t
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def isa_cb(instr_ptr, mem_size_ptr, size_ptr, pc, data_ptr):
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instr, mem_size_ptr[0] = ROCParseCtx.disasms[pc.address]
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# this is the number of bytes to next instruction, set to 0 for end_pgm
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if instr == "s_endpgm": mem_size_ptr[0] = 0
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if (max_sz:=size_ptr[0]) == 0: return rocprof.ROCPROFILER_THREAD_TRACE_DECODER_STATUS_ERROR_OUT_OF_RESOURCES
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# truncate the instr if it doesn't fit
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if (str_sz:=len(instr_bytes:=instr.encode()))+1 > max_sz: str_sz = max_sz
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ctypes.memmove(instr_ptr, instr_bytes, str_sz)
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size_ptr[0] = str_sz
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return rocprof.ROCPROFILER_THREAD_TRACE_DECODER_STATUS_SUCCESS
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rocprof.rocprof_trace_decoder_parse_data(copy_cb, trace_cb, isa_cb, None)
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print(ROCParseCtx.wave_events.keys())
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