diff options
| author | Marko Kallio <marko.kallio@tieto.com> | 2015-06-02 18:31:16 +0100 |
|---|---|---|
| committer | Zoltan Kiss <zoltan.kiss@linaro.org> | 2015-07-09 18:41:16 +0100 |
| commit | 5fc406713fdf9cdc52b80a0683f9d6cbcc380e1a (patch) | |
| tree | 177054c7eeede9abd61a1caace85e3c2a8702a3a | |
| parent | 2f9bf8942e7a330ac15fd3a39b021fe6734867c0 (diff) | |
netdev: affinity fix for ovs-odp
This patch will fix the core affinity setting in ovs, when using
ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=1e
In case of 2 NUMA nodes there is needed to do more work to netdev-odp.c
Reviewed-by: Santosh Shukla <santosh.shukla@linaro.org>
Signed-off-by: Zoltan Kiss <zoltan.kiss@linaro.org>
Signed-off-by: Marko Kallio <marko.kallio@tieto.com>
| -rw-r--r-- | lib/netdev-dpdk.h | 2 | ||||
| -rw-r--r-- | lib/netdev-odp.c | 20 |
2 files changed, 22 insertions, 0 deletions
diff --git a/lib/netdev-dpdk.h b/lib/netdev-dpdk.h index 646d3e21f..e7777fe49 100644 --- a/lib/netdev-dpdk.h +++ b/lib/netdev-dpdk.h @@ -54,11 +54,13 @@ free_dpdk_buf(struct dp_packet *buf OVS_UNUSED) /* Nothing */ } +#ifndef ODP_NETDEV static inline int pmd_thread_setaffinity_cpu(unsigned cpu OVS_UNUSED) { return 0; } +#endif /*#ifndef ODP_NETDEV */ #endif /* DPDK_NETDEV */ #endif diff --git a/lib/netdev-odp.c b/lib/netdev-odp.c index b3803f275..c04299b4d 100644 --- a/lib/netdev-odp.c +++ b/lib/netdev-odp.c @@ -677,3 +677,23 @@ netdev_odp_register(void) ovsthread_once_done(&once); } } + +int +pmd_thread_setaffinity_cpu(int cpu) +{ + cpu_set_t cpuset; + int err; + + CPU_ZERO(&cpuset); + CPU_SET(cpu, &cpuset); + err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset); + if (err) { + VLOG_ERR("Thread affinity error %d",err); + return err; + } + /* lcore_id 0 is reseved for use by non pmd threads. */ + ovs_assert(cpu); + + return 0; +} + |