On Sat, 12 Jul 2025, Cheng-Yang Chou wrote: > Signed-off-by: Cheng-Yang Chou <yphbchou0911@xxxxxxxxx> > --- > src/rt-migrate-test/rt-migrate-test.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/src/rt-migrate-test/rt-migrate-test.c b/src/rt-migrate-test/rt-migrate-test.c > index 8afe083..d7c0bf3 100644 > --- a/src/rt-migrate-test/rt-migrate-test.c > +++ b/src/rt-migrate-test/rt-migrate-test.c > @@ -61,6 +61,7 @@ static void ftrace_write(const char *fmt, ...) > { > va_list ap; > int n; > + int ret; > > if (mark_fd < 0) > return; > @@ -69,7 +70,9 @@ static void ftrace_write(const char *fmt, ...) > n = vsnprintf(buff, BUFSIZ, fmt, ap); > va_end(ap); > > - write(mark_fd, buff, n); > + ret = write(mark_fd, buff, n); > + if (ret < 0) > + perror("ftrace_write failed"); > } > > #define nano2sec(nan) (nan / 1000000000ULL) > -- > 2.48.1 > > > Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>