diff options
| author | Daniel Hellstrom <daniel@gaisler.com> | 2014-06-23 15:10:34 +0200 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2014-06-26 10:25:25 +0200 |
| commit | f9898a5f684b2a1d3a66bcc302d851d09ffc49cb (patch) | |
| tree | f736e256a59d93fed7c9719d424309eb0c3da5bb | |
| parent | 4f1ad65fa279fe8d904a1a0236eee0c277ec91aa (diff) | |
NFS RPCd task affinity config option
Similar to the task priority option the new CPU Affinity
option is fist controlled by the RPCI specific rpciodCpuset
option and then the global network task config and then
falls back to not setting the affinity (all CPUs)
| -rw-r--r-- | cpukit/libfs/src/nfsclient/src/rpcio.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/cpukit/libfs/src/nfsclient/src/rpcio.c b/cpukit/libfs/src/nfsclient/src/rpcio.c index 7324e02fd9..aeeb275b69 100644 --- a/cpukit/libfs/src/nfsclient/src/rpcio.c +++ b/cpukit/libfs/src/nfsclient/src/rpcio.c @@ -84,6 +84,9 @@ #include <string.h> #include <netinet/in.h> #include <arpa/inet.h> +#ifdef RTEMS_SMP +#include <sys/cpuset.h> +#endif #include "rpcio.h" @@ -407,6 +410,7 @@ static rtems_interval ticksPerSec; /* cached system clock rate (WHO IS ASSUMED */ rtems_task_priority rpciodPriority = 0; +cpu_set_t rpciodCpuset; #if (DEBUG) & DEBUG_MALLOC /* malloc wrappers for debugging */ @@ -983,6 +987,13 @@ struct sockwakeup wkup; &rpciod); assert( status == RTEMS_SUCCESSFUL ); +#ifdef RTEMS_SMP + if (CPU_EMPTY(&rpciodCpuset)) + CPU_COPY(&rpciodCpuset, &rtems_bsdnet_config.network_task_cpuset); + if (!CPU_EMPTY(&rpciodCpuset)) + rtems_task_set_affinity(rpciod, sizeof(cpu_set_t), &rpciodCpuset); +#endif + wkup.sw_pfn = rxWakeupCB; wkup.sw_arg = &rpciod; assert( 0==setsockopt(ourSock, SOL_SOCKET, SO_RCVWAKEUP, &wkup, sizeof(wkup)) ); |