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Merge branch 'bugfix/eth_iperf_performance_iram' into 'master'

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Eth iperf default sdkconfig: Enable lwIP IRAM optimization

See merge request espressif/esp-idf!17556
This commit is contained in:
Ondrej Kosta 2022-03-24 23:16:35 +08:00
commit 8ce997f02c
2 changed files with 4 additions and 1 deletions
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2
examples/ethernet/iperf/README.md
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@ -146,7 +146,7 @@ I (2534456) iperf: want recv=16384
## Suggestions of getting higher bandwidth
1. Higher MCU working frequency will get higher bandwidth.
2. Put frequency invoked function into IRAM via macro `IRAM_ATTR` in code.
2. Put frequently invoked functions into IRAM via macro `IRAM_ATTR` in code. Note that the lwIP IRAM optimization is already enabled by default.
3. Priority of iperf task may also have effect.
## Troubleshooting

3
examples/ethernet/iperf/sdkconfig.defaults
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@ -18,3 +18,6 @@ CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
# Disable watch dog
CONFIG_ESP_INT_WDT=n
CONFIG_ESP_TASK_WDT=n
# Enable lwIP IRAM optimization
CONFIG_LWIP_IRAM_OPTIMIZATION=y