From: alexandre.belloni at bootlin.com (Alexandre Belloni) Subject: [PATCH 2/4] selftests: timers: rtcpie: restore previous PIE rate Date: Thu, 19 Apr 2018 14:50:28 +0200 [thread overview] Message-ID: <20180419125030.5076-3-alexandre.belloni@bootlin.com> (raw) In-Reply-To: <20180419125030.5076-1-alexandre.belloni@bootlin.com> After the test ends, restore the PIE rate to its previous value to be less disruptive. Signed-off-by: Alexandre Belloni <alexandre.belloni at bootlin.com> --- tools/testing/selftests/timers/rtcpie.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c index ea98b1f6ac17..47b5bad1b393 100644 --- a/tools/testing/selftests/timers/rtcpie.c +++ b/tools/testing/selftests/timers/rtcpie.c @@ -28,7 +28,7 @@ static const char default_rtc[] = "/dev/rtc0"; int main(int argc, char **argv) { int i, fd, retval, irqcount = 0; - unsigned long tmp, data; + unsigned long tmp, data, old_pie_rate; const char *rtc = default_rtc; struct timeval start, end, diff; @@ -51,7 +51,7 @@ int main(int argc, char **argv) } /* Read periodic IRQ rate */ - retval = ioctl(fd, RTC_IRQP_READ, &tmp); + retval = ioctl(fd, RTC_IRQP_READ, &old_pie_rate); if (retval == -1) { /* not all RTCs support periodic IRQs */ if (errno == EINVAL) { @@ -61,7 +61,7 @@ int main(int argc, char **argv) perror("RTC_IRQP_READ ioctl"); exit(errno); } - fprintf(stderr, "\nPeriodic IRQ rate is %ldHz.\n", tmp); + fprintf(stderr, "\nPeriodic IRQ rate is %ldHz.\n", old_pie_rate); fprintf(stderr, "Counting 20 interrupts at:"); fflush(stderr); @@ -124,6 +124,8 @@ int main(int argc, char **argv) } done: + ioctl(fd, RTC_IRQP_SET, old_pie_rate); + fprintf(stderr, "\n\n\t\t\t *** Test complete ***\n"); close(fd); -- 2.17.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: alexandre.belloni@bootlin.com (Alexandre Belloni) Subject: [PATCH 2/4] selftests: timers: rtcpie: restore previous PIE rate Date: Thu, 19 Apr 2018 14:50:28 +0200 [thread overview] Message-ID: <20180419125030.5076-3-alexandre.belloni@bootlin.com> (raw) Message-ID: <20180419125028.QtLJ0kHy2uVwqv46p7c3_uQuq4enDNFzcq4nOSyPT5Q@z> (raw) In-Reply-To: <20180419125030.5076-1-alexandre.belloni@bootlin.com> After the test ends, restore the PIE rate to its previous value to be less disruptive. Signed-off-by: Alexandre Belloni <alexandre.belloni at bootlin.com> --- tools/testing/selftests/timers/rtcpie.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c index ea98b1f6ac17..47b5bad1b393 100644 --- a/tools/testing/selftests/timers/rtcpie.c +++ b/tools/testing/selftests/timers/rtcpie.c @@ -28,7 +28,7 @@ static const char default_rtc[] = "/dev/rtc0"; int main(int argc, char **argv) { int i, fd, retval, irqcount = 0; - unsigned long tmp, data; + unsigned long tmp, data, old_pie_rate; const char *rtc = default_rtc; struct timeval start, end, diff; @@ -51,7 +51,7 @@ int main(int argc, char **argv) } /* Read periodic IRQ rate */ - retval = ioctl(fd, RTC_IRQP_READ, &tmp); + retval = ioctl(fd, RTC_IRQP_READ, &old_pie_rate); if (retval == -1) { /* not all RTCs support periodic IRQs */ if (errno == EINVAL) { @@ -61,7 +61,7 @@ int main(int argc, char **argv) perror("RTC_IRQP_READ ioctl"); exit(errno); } - fprintf(stderr, "\nPeriodic IRQ rate is %ldHz.\n", tmp); + fprintf(stderr, "\nPeriodic IRQ rate is %ldHz.\n", old_pie_rate); fprintf(stderr, "Counting 20 interrupts at:"); fflush(stderr); @@ -124,6 +124,8 @@ int main(int argc, char **argv) } done: + ioctl(fd, RTC_IRQP_SET, old_pie_rate); + fprintf(stderr, "\n\n\t\t\t *** Test complete ***\n"); close(fd); -- 2.17.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-04-19 12:50 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-04-19 12:50 [PATCH 0/4] selftests: rework RTC tests alexandre.belloni 2018-04-19 12:50 ` Alexandre Belloni 2018-04-19 12:50 ` [PATCH 1/4] selftests: timers: move PIE tests out of rtctest alexandre.belloni 2018-04-19 12:50 ` Alexandre Belloni 2018-11-29 19:57 ` rafael.tinoco 2018-11-29 19:57 ` Rafael David Tinoco 2018-12-01 9:55 ` alexandre.belloni 2018-12-01 9:55 ` Alexandre Belloni 2018-04-19 12:50 ` alexandre.belloni [this message] 2018-04-19 12:50 ` [PATCH 2/4] selftests: timers: rtcpie: restore previous PIE rate Alexandre Belloni 2018-04-19 12:50 ` [PATCH 3/4] selftests: move RTC tests to rtc subfolder alexandre.belloni 2018-04-19 12:50 ` Alexandre Belloni 2018-04-19 12:50 ` [PATCH 4/4] selftests: rtc: rework rtctest alexandre.belloni 2018-04-19 12:50 ` Alexandre Belloni 2018-04-24 19:33 ` [PATCH 0/4] selftests: rework RTC tests shuah 2018-04-24 19:33 ` Shuah Khan 2018-05-10 17:34 ` shuah 2018-05-10 17:34 ` Shuah Khan
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