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authorDimitri Staessens <[email protected]>2018-04-02 08:19:54 +0200
committerSander Vrijders <[email protected]>2018-04-05 10:31:52 +0200
commit3b03c4b2bcbcf5a913a3127d2b45283540c505c3 (patch)
treefc18ab41a741f7d6ce3b05145558a1cf83c422f8 /src/ipcpd/eth/eth.c
parentb81d5a327d272db9b511217665b5febceccb725d (diff)
downloadouroboros-3b03c4b2bcbcf5a913a3127d2b45283540c505c3.tar.gz
ouroboros-3b03c4b2bcbcf5a913a3127d2b45283540c505c3.zip
ipcpd: Enable locking threads to a CPU core
This adds a function that locks a thread to a random core. This greatly improves performance on multi-cpu systems. There is no portable way to do this, this only implements it for GNU/Linux. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
Diffstat (limited to 'src/ipcpd/eth/eth.c')
-rw-r--r--src/ipcpd/eth/eth.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c
index b43caae1..d1ee088d 100644
--- a/src/ipcpd/eth/eth.c
+++ b/src/ipcpd/eth/eth.c
@@ -777,6 +777,8 @@ static void * eth_ipcp_sdu_reader(void * o)
(void) o;
+ ipcp_lock_to_core();
+
memset(br_addr, 0xff, MAC_SIZE * sizeof(uint8_t));
while (true) {
@@ -893,6 +895,8 @@ static void * eth_ipcp_sdu_writer(void * o)
(void) o;
+ ipcp_lock_to_core();
+
while (true) {
fevent(eth_data.np1_flows, eth_data.fq, NULL);