ESP32 启动时间过长分析

1、问题描述  正常启动:1555ms [2019-03-14 15:42:29.183]# RECV ASCII> ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00

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