diff options
| author |   Jianchuan Wang <jianchuan.wang@windriver.com> | 2015-07-10 14:33:12 +0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-07-16 15:08:42 +0100 |
| commit | 780a590cf2f0604435c05445d02c342e3387497f (patch) | |
| tree | d9a4604617c6ad3b68f1b2f5c847163161731e4f /meta/recipes-kernel/lttng/lttng-ust | |
| parent | 88d60e70da0890184922056cef1f20171f716ace (diff) | |
| download | openembedded-core-780a590cf2f0604435c05445d02c342e3387497f.tar.gz | |
lttng: Fix timer calculation error
Fix timer calculation error in the lttng-tools/lttng-ust
Signed-off-by: Jianchuan Wang <jianchuan.wang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-ust')
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-ust/lttng-ust-Fix-live-timer-calculation-error.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-ust/lttng-ust-Fix-live-timer-calculation-error.patch b/meta/recipes-kernel/lttng/lttng-ust/lttng-ust-Fix-live-timer-calculation-error.patch new file mode 100644 index 0000000000..03120fe5d6 --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-ust/lttng-ust-Fix-live-timer-calculation-error.patch @@ -0,0 +1,42 @@ +From 6d02a6c1aeb1d050ffe7c6624bab9acfa76fc05f Mon Sep 17 00:00:00 2001 +From: Mikael Beckius <mikael.beckius@windriver.com> +Date: Tue, 12 May 2015 11:04:34 +0200 +Subject: [PATCH] lttng-ust:Fix live timer calculation error + +There is an calculation error for live timer. Variable chan->switch_timer_interval is +based on microsecond, and it is not right to assign chan->switch_timer_interval mod +1000000 to var tv_nsec which is based on nanosecond. + +Upstream-Status: Pending + +Signed-off-by: Mikael Beckius <mikael.beckius@windriver.com> +Signed-off-by: Jianchuan Wang <jianchuan.wang@windriver.com> +--- + libringbuffer/ring_buffer_frontend.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/libringbuffer/ring_buffer_frontend.c b/libringbuffer/ring_buffer_frontend.c +index eb4e486..e0377a3 100644 +--- a/libringbuffer/ring_buffer_frontend.c ++++ b/libringbuffer/ring_buffer_frontend.c +@@ -528,7 +528,7 @@ void lib_ring_buffer_channel_switch_timer_start(struct channel *chan) + } + + its.it_value.tv_sec = chan->switch_timer_interval / 1000000; +- its.it_value.tv_nsec = chan->switch_timer_interval % 1000000; ++ its.it_value.tv_nsec = (chan->switch_timer_interval % 1000000) * 1000; + its.it_interval.tv_sec = its.it_value.tv_sec; + its.it_interval.tv_nsec = its.it_value.tv_nsec; + +@@ -582,7 +582,7 @@ void lib_ring_buffer_channel_read_timer_start(struct channel *chan) + } + + its.it_value.tv_sec = chan->read_timer_interval / 1000000; +- its.it_value.tv_nsec = chan->read_timer_interval % 1000000; ++ its.it_value.tv_nsec = (chan->read_timer_interval % 1000000) * 1000; + its.it_interval.tv_sec = its.it_value.tv_sec; + its.it_interval.tv_nsec = its.it_value.tv_nsec; + +-- +1.9.1 + |