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Jianchuan Wang
c18fadb068
Fix timer calculation error in the lttng-tools/lttng-ust (From OE-Core rev: 780a590cf2f0604435c05445d02c342e3387497f) Signed-off-by: Jianchuan Wang <jianchuan.wang@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
43 lines
1.7 KiB
Diff
43 lines
1.7 KiB
Diff
From 6d02a6c1aeb1d050ffe7c6624bab9acfa76fc05f Mon Sep 17 00:00:00 2001
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From: Mikael Beckius <mikael.beckius@windriver.com>
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Date: Tue, 12 May 2015 11:04:34 +0200
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Subject: [PATCH] lttng-ust:Fix live timer calculation error
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There is an calculation error for live timer. Variable chan->switch_timer_interval is
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based on microsecond, and it is not right to assign chan->switch_timer_interval mod
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1000000 to var tv_nsec which is based on nanosecond.
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Upstream-Status: Pending
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Signed-off-by: Mikael Beckius <mikael.beckius@windriver.com>
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Signed-off-by: Jianchuan Wang <jianchuan.wang@windriver.com>
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---
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libringbuffer/ring_buffer_frontend.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/libringbuffer/ring_buffer_frontend.c b/libringbuffer/ring_buffer_frontend.c
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index eb4e486..e0377a3 100644
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--- a/libringbuffer/ring_buffer_frontend.c
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+++ b/libringbuffer/ring_buffer_frontend.c
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@@ -528,7 +528,7 @@ void lib_ring_buffer_channel_switch_timer_start(struct channel *chan)
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}
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its.it_value.tv_sec = chan->switch_timer_interval / 1000000;
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- its.it_value.tv_nsec = chan->switch_timer_interval % 1000000;
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+ its.it_value.tv_nsec = (chan->switch_timer_interval % 1000000) * 1000;
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its.it_interval.tv_sec = its.it_value.tv_sec;
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its.it_interval.tv_nsec = its.it_value.tv_nsec;
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@@ -582,7 +582,7 @@ void lib_ring_buffer_channel_read_timer_start(struct channel *chan)
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}
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its.it_value.tv_sec = chan->read_timer_interval / 1000000;
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- its.it_value.tv_nsec = chan->read_timer_interval % 1000000;
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+ its.it_value.tv_nsec = (chan->read_timer_interval % 1000000) * 1000;
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its.it_interval.tv_sec = its.it_value.tv_sec;
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its.it_interval.tv_nsec = its.it_value.tv_nsec;
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--
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1.9.1
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