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Message-ID: <CA+G9fYtdy=yybGGdcpFWMoui0v57UwYrT-NP0pZvesURQU7BzA@mail.gmail.com>
Date: Thu, 10 Nov 2022 13:09:09 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: "open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>,
lkft-triage@...ts.linaro.org, Shuah Khan <shuah@...nel.org>,
Mateusz Jończyk <mat.jonczyk@...pl>,
Alessandro Zummo <a.zummo@...ertech.it>,
Daniel Díaz <daniel.diaz@...aro.org>
Subject: Re: kselftest rtctests failed on arm64 Raspberry Pi 4 -
rtctest.c:34:date_read:Expected -1 (-1) != self->fd (-1)
Hi Alexandre,
On Wed, 9 Nov 2022 at 03:05, Alexandre Belloni
<alexandre.belloni@...tlin.com> wrote:
>
> Hello,
>
> On 08/11/2022 15:17:04+0530, Naresh Kamboju wrote:
> > kselftest rtctests failed on arm64 Raspberry Pi 4 Model B device and
> > passed on other devices and qemu emulators. Please refer to the
> > full logs and test comparison results links.
> >
>
> It seems your board doesn't have an rtc at all, the tests will not run
> unless you add one.
>
> You can try the following patch:
Daniel Diaz tested the following patch and results were changed from
FAIL to SKIP [1].
Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
Tested-by: Daniel Diaz <daniel.diaz@...aro.org>
[ 241.791361] kselftest: Running tests in rtc
TAP version 13
1..1
# selftests: rtc: rtctest
# TAP version 13
# 1..8
# # Starting 8 tests from 2 test cases.
# # RUN rtc.date_read ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.date_read
# ok 1 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.date_read_loop ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.date_read_loop
# ok 2 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.uie_read ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.uie_read
# ok 3 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.uie_select ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.uie_select
# ok 4 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.alarm_alm_set ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.alarm_alm_set
# ok 5 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.alarm_wkalm_set ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.alarm_wkalm_set
# ok 6 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.alarm_alm_set_minute ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.alarm_alm_set_minute
# ok 7 # SKIP Skipping test since /dev/rtc0 does not exist
# # RUN rtc.alarm_wkalm_set_minute ...
# # SKIP Skipping test since /dev/rtc0 does not exist
# # OK rtc.alarm_wkalm_set_minute
# ok 8 # SKIP Skipping test since /dev/rtc0 does not exist
# # PASSED: 8 / 8 tests passed.
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:8 error:0
ok 1 selftests: rtc: rtctest
>
> From e93ddc7046aba97b39b0ceffc53ebf1f10ad9868 Mon Sep 17 00:00:00 2001
> From: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Date: Tue, 8 Nov 2022 22:18:55 +0100
> Subject: [PATCH] selftests: rtc: skip when RTC is not present
>
> There is not point in failing the tests when there the RTC is not present,
> simply skip the test.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> ---
> tools/testing/selftests/rtc/rtctest.c | 33 ++++++++++++++++++++++++++-
> 1 file changed, 32 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
> index 2b9d929a24ed..63ce02d1d5cc 100644
> --- a/tools/testing/selftests/rtc/rtctest.c
> +++ b/tools/testing/selftests/rtc/rtctest.c
> @@ -31,7 +31,6 @@ FIXTURE(rtc) {
>
> FIXTURE_SETUP(rtc) {
> self->fd = open(rtc_file, O_RDONLY);
> - ASSERT_NE(-1, self->fd);
> }
>
> FIXTURE_TEARDOWN(rtc) {
> @@ -42,6 +41,10 @@ TEST_F(rtc, date_read) {
> int rc;
> struct rtc_time rtc_tm;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> /* Read the RTC time/date */
> rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm);
> ASSERT_NE(-1, rc);
> @@ -85,6 +88,10 @@ TEST_F_TIMEOUT(rtc, date_read_loop, READ_LOOP_DURATION_SEC + 2) {
> struct rtc_time rtc_tm;
> time_t start_rtc_read, prev_rtc_read;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> TH_LOG("Continuously reading RTC time for %ds (with %dms breaks after every read).",
> READ_LOOP_DURATION_SEC, READ_LOOP_SLEEP_MS);
>
> @@ -119,6 +126,10 @@ TEST_F_TIMEOUT(rtc, uie_read, NUM_UIE + 2) {
> int i, rc, irq = 0;
> unsigned long data;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> /* Turn on update interrupts */
> rc = ioctl(self->fd, RTC_UIE_ON, 0);
> if (rc == -1) {
> @@ -144,6 +155,10 @@ TEST_F(rtc, uie_select) {
> int i, rc, irq = 0;
> unsigned long data;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> /* Turn on update interrupts */
> rc = ioctl(self->fd, RTC_UIE_ON, 0);
> if (rc == -1) {
> @@ -183,6 +198,10 @@ TEST_F(rtc, alarm_alm_set) {
> time_t secs, new;
> int rc;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> rc = ioctl(self->fd, RTC_RD_TIME, &tm);
> ASSERT_NE(-1, rc);
>
> @@ -237,6 +256,10 @@ TEST_F(rtc, alarm_wkalm_set) {
> time_t secs, new;
> int rc;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
> ASSERT_NE(-1, rc);
>
> @@ -285,6 +308,10 @@ TEST_F_TIMEOUT(rtc, alarm_alm_set_minute, 65) {
> time_t secs, new;
> int rc;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> rc = ioctl(self->fd, RTC_RD_TIME, &tm);
> ASSERT_NE(-1, rc);
>
> @@ -339,6 +366,10 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) {
> time_t secs, new;
> int rc;
>
> + if (self->fd == -1 && errno == ENOENT)
> + SKIP(return, "Skipping test since %s does not exist", rtc_file);
> + ASSERT_NE(-1, self->fd);
> +
> rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
> ASSERT_NE(-1, rc);
[1] https://lkft.validation.linaro.org/scheduler/job/5831980#L1760
--
Linaro LKFT
https://lkft.linaro.org
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