esp-idf/tools/esp_app_trace/test/sysview/gdbinit

target remote :3333

mon reset halt
flushregs

b heap_trace_start
commands
clear heap_trace_start
mon esp32 sysview start file://cpu0.svdat file://cpu1.svdat
c
end

b heap_trace_stop
commands
clear heap_trace_stop
mon esp32 sysview stop
end

c