AXI4 · 只写流量

ACTUAL TUI CAPTURE · XPVKIT 0.5.5

观察 AW/W/B 关联、写带宽与写响应。 以下内容由同一份 CSV 经 release 工具实际打印,网页仅回放终端输出。

XPVKIT  ·  PV SUMMARY
traffic                                                                                                   AXI / CSV 2.0
──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
20.00 µs  ·  473 rows  ·  integrity OK

ACTIVITY                                BANDWIDTH                               OUTSTANDING                            
─────────                               ─────────                               ───────────                            
85.56%                                  total 0.29 GB/s                         avg 0.29                               
idle 2.89 µs                            W 0.29 GB/s                             peak 1                                 
                                        peak 0.74 GB/s                                                                 
Partial write: 0.00% (0 / 156 known beats; 0 unknown) [WSTRB]

 TRAFFIC
 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Write
    transactions              39  burst size      128 B           
    beats / txn                4  WSTRB partial   0 / 156  (0.00%)

 LATENCY
 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Write    avg 148.54 ns  p50 137.00 ns  p95 187.00 ns  max 187.00 ns

 PV TREND
 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Write BW  █▁▅▁█▅▁▅▁▁▅█▁▅▁▅▁█▁█▁▅▁▅█▁▅▁▁▅█▁█▁▅▁█▁█▅▁▁▅█▁▅▁▅▁█▁█▁▅▁▅▁█▅▁▁▅█▁█▁▅▁█▁█▅  avg 0.29 GB/s
                                                                                                 
Write OS  ▁▁█▁██▁▁▁█▁█▁█▁█▁██▁▁█▁▁█▁█▁█▁█▁▁▁█▁██▁█▁▁██▁▁▁█▁█▁█▁█▁██▁█▁▁▁█▁█▁█▁█▁▁█  avg 0.29     

 BACKPRESSURE
 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
AW        ········································································    0.00%
W         ·································▒······································   47.14%
B         ········································································    0.00%
density   low ░▒▓█ high                                                                    

 INTEGRITY
 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Protocol checks  OK  no structural or transaction-matching issues detected

──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Active window  520.00 ns → 17.63 µs  ·  auto-active  ·  1 region
Bandwidth: accepted-data; transactions / latency / outstanding / backpressure: capture
HTML report              pvkit/examples/axi4/write_only/traffic.pv.html                                                
Tracker log              pvkit/examples/axi4/write_only/traffic.tracker.log                                            
Analyze log              pvkit/examples/axi4/write_only/traffic.analyze.log                                            

使用已有的 xpvkit 0.5.5 工具,从仓库根目录复现(Rich 为彩色 TUI 的可选依赖):

python xpv.pyz analyze pvkit/examples/axi4/write_only/traffic.csv --report-mode standard --trend all

默认带宽按实际数据活动窗口计算;事务、延迟与诊断保留完整 capture 范围。TUI 是输出式报告,鼠标选窗与事务查询请打开交互 HTML。