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sched: Optimize sched_note_begin/end

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Optimize sched_note_begin/end, replace note_printf with note_string
sched_note_begin/end optimized from 50us to 1us per consumption

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
This commit is contained in:
yinshengkai 2022-09-27 16:05:28 +08:00 committed by Xiang Xiao
parent aa42f29465
commit ae38e3eb10
2 changed files with 10 additions and 10 deletions
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12
include/nuttx/sched_note.h
View File

@ -125,9 +125,9 @@
# define SCHED_NOTE_BPRINTF(event, fmt, ...) \
sched_note_bprintf(SCHED_NOTE_IP, event, fmt, ##__VA_ARGS__)
# define SCHED_NOTE_BEGIN() \
sched_note_begin(SCHED_NOTE_IP, __FUNCTION__)
sched_note_begin(SCHED_NOTE_IP)
# define SCHED_NOTE_END() \
sched_note_end(SCHED_NOTE_IP, __FUNCTION__)
sched_note_end(SCHED_NOTE_IP)
#else
# define SCHED_NOTE_STRING(buf)
# define SCHED_NOTE_DUMP(event, buf, len)
@ -553,8 +553,8 @@ void sched_note_printf(uintptr_t ip,
FAR const char *fmt, ...) printflike(2, 3);
void sched_note_bprintf(uintptr_t ip, uint8_t event,
FAR const char *fmt, ...) printflike(3, 4);
void sched_note_begin(uintptr_t ip, FAR const char *buf);
void sched_note_end(uintptr_t ip, FAR const char *buf);
void sched_note_begin(uintptr_t ip);
void sched_note_end(uintptr_t ip);
#else
# define sched_note_string(ip,b)
# define sched_note_dump(ip,e,b,l)
@ -562,8 +562,8 @@ void sched_note_end(uintptr_t ip, FAR const char *buf);
# define sched_note_vbprintf(ip,e,f,v)
# define sched_note_printf(ip,f,...)
# define sched_note_bprintf(ip,e,f,...)
# define sched_note_begin(ip,f)
# define sched_note_end(ip,f)
# define sched_note_begin(ip)
# define sched_note_end(ip)
#endif /* CONFIG_SCHED_INSTRUMENTATION_DUMP */
#if defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT)

8
sched/sched/sched_note.c
View File

@ -1161,14 +1161,14 @@ void sched_note_bprintf(uintptr_t ip, uint8_t event,
va_end(va);
}
void sched_note_begin(uintptr_t ip, FAR const char *buf)
void sched_note_begin(uintptr_t ip)
{
sched_note_printf(ip, "B|%d|%s", getpid(), buf);
sched_note_string(ip, "B");
}
void sched_note_end(uintptr_t ip, FAR const char *buf)
void sched_note_end(uintptr_t ip)
{
sched_note_printf(ip, "E|%d|%s", getpid(), buf);
sched_note_string(ip, "E");
}
#endif /* CONFIG_SCHED_INSTRUMENTATION_DUMP */