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doc: develop: update ram and rom report sample and reduce width
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Update the sample outputs for ram and rom report commands to reflect
current look&feel, and reduce the width of the output to better fit
on narrow screens & PDF output.

Signed-off-by: Benjamin Cabé <[email protected]>
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@kartben @nashif
kartben authored and nashif committed Nov 8, 2023
1 parent 73a106c commit 5594242
Showing 1 changed file with 76 additions and 72 deletions.
148 changes: 76 additions & 72 deletions doc/develop/optimizations/tools.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -33,37 +33,48 @@ Use the ``ram_report`` target with your board:

which will generate something similar to the output below::

Path Size %
==============================================================================================================
...
...
SystemCoreClock 4 0.08%
_kernel 48 0.99%
_sw_isr_table 384 7.94%
cli.10544 16 0.33%
gpio_initialized.9765 1 0.02%
on.10543 4 0.08%
poll_out_lock.9764 4 0.08%
z_idle_threads 128 2.65%
z_interrupt_stacks 2048 42.36%
z_main_thread 128 2.65%
arch 1 0.02%
arm 1 0.02%
core 1 0.02%
aarch32 1 0.02%
cortex_m 1 0.02%
mpu 1 0.02%
arm_mpu.c 1 0.02%
static_regions_num 1 0.02%
drivers 536 11.09%
clock_control 100 2.07%
nrf_power_clock.c 100 2.07%
__device_clock_nrf 16 0.33%
data 80 1.65%
hfclk_users 4 0.08%
...
...

Path Size %
========================================================================================
Root 4637 100.00%
├── (hidden) 4 0.09%
├── (no paths) 2748 59.26%
│ ├── _cpus_active 4 0.09%
│ ├── _kernel 32 0.69%
│ ├── _sw_isr_table 384 8.28%
│ ├── cli.1 16 0.35%
│ ├── on.2 4 0.09%
│ ├── poll_out_lock.0 4 0.09%
│ ├── z_idle_threads 128 2.76%
│ ├── z_interrupt_stacks 2048 44.17%
│ └── z_main_thread 128 2.76%
├── WORKSPACE 184 3.97%
│ └── modules 184 3.97%
│ └── hal 184 3.97%
│ └── nordic 184 3.97%
│ └── nrfx 184 3.97%
│ └── drivers 184 3.97%
│ └── src 184 3.97%
│ ├── nrfx_clock.c 8 0.17%
│ │ └── m_clock_cb 8 0.17%
│ ├── nrfx_gpiote.c 132 2.85%
│ │ └── m_cb 132 2.85%
│ ├── nrfx_ppi.c 4 0.09%
│ │ └── m_channels_allocated 4 0.09%
│ └── nrfx_twim.c 40 0.86%
│ └── m_cb 40 0.86%
└── ZEPHYR_BASE 1701 36.68%
├── arch 5 0.11%
│ └── arm 5 0.11%
│ └── core 5 0.11%
│ ├── mpu 1 0.02%
│ │ └── arm_mpu.c 1 0.02%
│ │ └── static_regions_num 1 0.02%
│ └── tls.c 4 0.09%
│ └── z_arm_tls_ptr 4 0.09%
├── drivers 258 5.56%
│ ├── ... ... ...%
========================================================================================
4637

Build Target: rom_report
========================
Expand All @@ -82,47 +93,40 @@ Use the ``rom_report`` to get the ROM report:

which will generate something similar to the output below::

Path Size %
==============================================================================================================
...
...
CSWTCH.5 4 0.02%
SystemCoreClock 4 0.02%
__aeabi_idiv0 2 0.01%
__udivmoddi4 702 3.37%
_sw_isr_table 384 1.85%
delay_machine_code.9114 6 0.03%
levels.8826 20 0.10%
mpu_config 8 0.04%
transitions.10558 12 0.06%
arch 1194 5.74%
arm 1194 5.74%
core 1194 5.74%
aarch32 1194 5.74%
cortex_m 852 4.09%
fault.c 400 1.92%
bus_fault.isra.0 60 0.29%
mem_manage_fault.isra.0 56 0.27%
usage_fault.isra.0 36 0.17%
z_arm_fault 232 1.11%
z_arm_fault_init 16 0.08%
irq_init.c 24 0.12%
z_arm_interrupt_init 24 0.12%
mpu 352 1.69%
arm_core_mpu.c 56 0.27%
z_arm_configure_static_mpu_regions 56 0.27%
arm_mpu.c 296 1.42%
__init_sys_init_arm_mpu_init0 8 0.04%
arm_core_mpu_configure_static_mpu_regions 20 0.10%
arm_core_mpu_disable 16 0.08%
arm_core_mpu_enable 20 0.10%
arm_mpu_init 92 0.44%
mpu_configure_regions 140 0.67%
thread_abort.c 76 0.37%
z_impl_k_thread_abort
76 0.37%
...
...
Path Size %
========================================================================================
Root 21652 100.00%
├── ... ... ...%
└── ZEPHYR_BASE 13378 61.79%
├── arch 1718 7.93%
│ └── arm 1718 7.93%
│ └── core 1718 7.93%
│ ├── cortex_m 1020 4.71%
│ │ ├── fault.c 620 2.86%
│ │ │ ├── bus_fault.constprop.0 108 0.50%
│ │ │ ├── mem_manage_fault.constprop.0 120 0.55%
│ │ │ ├── usage_fault.constprop.0 84 0.39%
│ │ │ ├── z_arm_fault 292 1.35%
│ │ │ └── z_arm_fault_init 16 0.07%
│ │ ├── ... ... ...%
├── boards 32 0.15%
│ └── arm 32 0.15%
│ └── reel_board 32 0.15%
│ └── board.c 32 0.15%
│ ├── __init_board_reel_board_init 8 0.04%
│ └── board_reel_board_init 24 0.11%
├── build 194 0.90%
│ └── zephyr 194 0.90%
│ ├── isr_tables.c 192 0.89%
│ │ └── _irq_vector_table 192 0.89%
│ └── misc 2 0.01%
│ └── generated 2 0.01%
│ └── configs.c 2 0.01%
│ └── _ConfigAbsSyms 2 0.01%
├── drivers 6162 28.46%
│ ├── ... ... ...%
========================================================================================
21652

Build Target: puncover
======================
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