From bcbccfad935ee4dfe2e08480d6275aff103b7b3e Mon Sep 17 00:00:00 2001
From: Rohit Gupta <rohit.gupta@eurecom.fr>
Date: Tue, 19 Apr 2016 18:53:48 +0200
Subject: [PATCH] change the default CPU Affinity configuration
---
targets/RT/USER/lte-softmodem.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index b08b73788b..a33b025569 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -1090,8 +1090,8 @@ static void* eNB_thread_tx( void* param )
#ifdef LOWLATENCY
struct sched_attr attr;
unsigned int flags = 0;
- uint64_t runtime = 900000 ;
- uint64_t deadline = 1 * 1000000; // each tx thread will finish within 1ms
+ uint64_t runtime = 850000 ;
+ uint64_t deadline = 1 * 1000000 ; // each tx thread will finish within 1ms
uint64_t period = 1 * 10000000; // each tx thread has a period of 10ms from the starting point
attr.size = sizeof(attr);
@@ -1125,7 +1125,8 @@ static void* eNB_thread_tx( void* param )
#ifdef CPU_AFFINITY
if (get_nprocs() > 2)
{
- CPU_SET(1, &cpuset);
+ for (j = 1; j < get_nprocs(); j++)
+ CPU_SET(j, &cpuset);
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0)
{
@@ -1372,7 +1373,7 @@ static void* eNB_thread_rx( void* param )
#ifdef LOWLATENCY
struct sched_attr attr;
unsigned int flags = 0;
- uint64_t runtime = 900000 ;
+ uint64_t runtime = 870000 ;
uint64_t deadline = 1 * 1000000;
uint64_t period = 1 * 10000000; // each rx thread has a period of 10ms from the starting point
@@ -1407,7 +1408,7 @@ static void* eNB_thread_rx( void* param )
#ifdef CPU_AFFINITY
if (get_nprocs() >2)
{
- for (j = 2; j < get_nprocs(); j++)
+ for (j = 1; j < get_nprocs(); j++)
CPU_SET(j, &cpuset);
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
--
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