Aksal/nuttx-apps
1
0
Fork 1
mirror of https://github.com/apache/nuttx-apps.git synced 2026-08-01 20:29:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

benchmarks/osperf/osperf.c: add pipe read-write performance test

Browse source 
This adds a simple pip read-write performance test.

Signed-off-by: Michal Lenc <michallenc@seznam.cz>
This commit is contained in:
Michal Lenc 2025-06-13 08:35:06 +02:00 • committed by Xiang Xiao
parent 9a73fb7f4b
commit 7ca3656c3e
1 changed files with 26 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

26
benchmarks/osperf/osperf.c
View file

@ -71,6 +71,7 @@ static size_t pthread_switch_performance(void);
static size_t context_switch_performance(void);
static size_t hpwork_performance(void);
static size_t poll_performance(void);
static size_t pipe_performance(void);
static size_t semwait_performance(void);
static size_t sempost_performance(void);
@ -85,6 +86,7 @@ static const struct performance_entry_s g_entry_list[] =
{"context-switch", context_switch_performance},
{"hpwork", hpwork_performance},
{"poll-write", poll_performance},
{"pipe-rw", pipe_performance},
{"semwait", semwait_performance},
{"sempost", sempost_performance},
};
@ -290,6 +292,30 @@ static size_t poll_performance(void)
return performance_gettime(&result);
}
/****************************************************************************
* pipe performance
****************************************************************************/
static size_t pipe_performance(void)
{
struct performance_time_s result;
int pipefd[2];
int ret;
char r;
ret = pipe(pipefd);
DEBUGASSERT(ret == 0);
performance_start(&result);
write(pipefd[0], "a", 1);
read(pipefd[1], &r, 1);
performance_end(&result);
close(pipefd[0]);
close(pipefd[1]);
return performance_gettime(&result);
}
/****************************************************************************
* semwait_performance
****************************************************************************/