wu-arch/kernels
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

merging perf counters

Browse Source
This commit is contained in:
Blaise Tine
2020-12-08 21:02:39 -08:00
parent 14baec86d5 1595ff08e2
commit d5438fd591
27 changed files with 1047 additions and 230 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
hw/rtl/VX_pipeline.v
View File

@@ -51,6 +51,10 @@ module VX_pipeline #(
output wire[31:0] csr_io_rsp_data,
input wire csr_io_rsp_ready,
`ifdef PERF_ENABLE
VX_perf_memsys_if perf_memsys_if,
`endif
// Status
output wire busy,
output wire ebreak
@@ -171,6 +175,10 @@ module VX_pipeline #(
VX_commit_if fpu_commit_if();
VX_commit_if gpu_commit_if();
`ifdef PERF_ENABLE
VX_perf_pipeline_if perf_pipeline_if();
`endif
VX_fetch #(
.CORE_ID(CORE_ID)
) fetch (
@@ -206,6 +214,10 @@ module VX_pipeline #(
.clk (clk),
.reset (reset),
`ifdef PERF_ENABLE
.perf_pipeline_if (perf_pipeline_if),
`endif
.decode_if (decode_if),
.writeback_if (writeback_if),
@@ -224,7 +236,12 @@ module VX_pipeline #(
.clk (clk),
.reset (reset),
`ifdef PERF_ENABLE
.perf_memsys_if (perf_memsys_if),
.perf_pipeline_if (perf_pipeline_if),
`endif
.dcache_req_if (core_dcache_req_if),
.dcache_rsp_if (core_dcache_rsp_if),
@@ -272,4 +289,78 @@ module VX_pipeline #(
.cmt_to_csr_if (cmt_to_csr_if)
);
`ifdef PERF_ENABLE
reg [63:0] perf_icache_stalls;
reg [63:0] perf_ibuffer_stalls;
reg [63:0] perf_alu_stalls;
reg [63:0] perf_lsu_stalls;
reg [63:0] perf_csr_stalls;
reg [63:0] perf_gpu_stalls;
`ifdef EXT_M_ENABLE
reg [63:0] perf_mul_stalls;
`endif
`ifdef EXT_F_ENABLE
reg [63:0] perf_fpu_stalls;
`endif
always @(posedge clk) begin
if (reset) begin
perf_icache_stalls <= 0;
perf_ibuffer_stalls <= 0;
perf_alu_stalls <= 0;
perf_lsu_stalls <= 0;
perf_csr_stalls <= 0;
perf_gpu_stalls <= 0;
`ifdef EXT_M_ENABLE
perf_mul_stalls <= 0;
`endif
`ifdef EXT_F_ENABLE
perf_fpu_stalls <= 0;
`endif
end else begin
if (core_icache_req_if.valid & !core_icache_req_if.ready) begin
perf_icache_stalls <= perf_icache_stalls + 64'd1;
end
if (decode_if.valid & !decode_if.ready) begin
perf_ibuffer_stalls <= perf_ibuffer_stalls + 64'd1;
end
if (alu_req_if.valid & !alu_req_if.ready) begin
perf_alu_stalls <= perf_alu_stalls + 64'd1;
end
if (lsu_req_if.valid & !lsu_req_if.ready) begin
perf_lsu_stalls <= perf_lsu_stalls + 64'd1;
end
if (csr_req_if.valid & !csr_req_if.ready) begin
perf_csr_stalls <= perf_csr_stalls + 64'd1;
end
if (gpu_req_if.valid & !gpu_req_if.ready) begin
perf_gpu_stalls <= perf_gpu_stalls + 64'd1;
end
`ifdef EXT_M_ENABLE
if (mul_req_if.valid & !mul_req_if.ready) begin
perf_mul_stalls <= perf_mul_stalls + 64'd1;
end
`endif
`ifdef EXT_F_ENABLE
if (fpu_req_if.valid & !fpu_req_if.ready) begin
perf_fpu_stalls <= perf_fpu_stalls + 64'd1;
end
`endif
end
end
assign perf_pipeline_if.icache_stalls = perf_icache_stalls;
assign perf_pipeline_if.ibuffer_stalls = perf_ibuffer_stalls;
assign perf_pipeline_if.alu_stalls = perf_alu_stalls;
assign perf_pipeline_if.lsu_stalls = perf_lsu_stalls;
assign perf_pipeline_if.csr_stalls = perf_csr_stalls;
assign perf_pipeline_if.gpu_stalls = perf_gpu_stalls;
`ifdef EXT_M_ENABLE
assign perf_pipeline_if.mul_stalls = perf_mul_stalls;
`endif
`ifdef EXT_F_ENABLE
assign perf_pipeline_if.fpu_stalls = perf_fpu_stalls;
`endif
`endif
endmodule