Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-20 20:44:39 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

sched_note: add function auto-tracing

Browse Source 
After enabling this option, you can automatically trace the function instrumentation without adding tracepoint manually.
This is similar to the Function Trace effect of the linux kernel

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
This commit is contained in:
yinshengkai
2023-04-06 23:11:02 +08:00
committed by Alan Carvalho de Assis
parent 5e5fcd8076
commit b3e1004658
2 changed files with 37 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/note/note_driver.c
+23
View File
@@ -1987,3 +1987,26 @@ int note_driver_register(FAR struct note_driver_s *driver)
return -ENOMEM;
}
#ifdef CONFIG_SCHED_INSTRUMENTATION_FUNCTION
/****************************************************************************
* Name: __cyg_profile_func_enter
****************************************************************************/
void noinstrument_function
__cyg_profile_func_enter(void *this_fn, void *call_site)
{
sched_note_string_ip(NOTE_TAG_ALWAYS, (uintptr_t)this_fn, "B");
}
/****************************************************************************
* Name: __cyg_profile_func_exit
****************************************************************************/
void noinstrument_function
__cyg_profile_func_exit(void *this_fn, void *call_site)
{
sched_note_string_ip(NOTE_TAG_ALWAYS, (uintptr_t)this_fn, "E");
}
#endif
sched/Kconfig
+14
View File
@@ -1088,6 +1088,20 @@ config SCHED_INSTRUMENTATION_DUMP
void sched_note_printf(FAR const char *fmt, ...) printf_like(1, 2);
void sched_note_bprintf(uint32_t module, uint8_t event, FAR const char *fmt, ...);
config SCHED_INSTRUMENTATION_FUNCTION
bool "Enable function auto-tracing"
default n
---help---
After enabling this option, you can automatically trace the function instrumentation without adding tracepoint manually.
This is similar to the Function Trace effect of the linux kernel
Add CFLAGS += -finstrument-functions to the makefile to track the required modules.
The following compilation option can exclude files that do not want to be tracked in this module
CFLAGS += -finstrument-functions-exclude-file-list=xxx
The following compilation option can exclude functions that do not want to be tracked in this module
CFLAGS += -finstrument-functions-exclude-function-list=xxx
For a more detailed description of compilation options,
refer to the "Program Instrumentation Options" chapter in the gcc documentation
endif # SCHED_INSTRUMENTATION
endmenu # Performance Monitoring