Changeset e4d8513 in rtems for cpukit/libfs/src/nfsclient/src/rpcio.c

Timestamp:

Nov 14, 2014, 7:58:00 AM (6 years ago)

Author:

Daniel Cederman <cederman@…>

Branches:

4.11, 5, master

Children:

9e8d8b5c

Parents:

69e3f27

git-author:

Daniel Cederman <cederman@…> (11/14/14 07:58:00)

git-committer:

Daniel Hellstrom <daniel@…> (12/02/14 12:41:20)

Message:

nfs: Add RPCd task affinity config option

Similar to the task priority option, the new CPU affinity
option is first controlled by the RPCI specific rpciodCpuset
option. If that is not set, it uses the global network task config.
If that is also not set, it falls back to not setting the affinity
at all, using all CPUs.

File:

• cpukit/libfs/src/nfsclient/src/rpcio.c (modified) (3 diffs)

cpukit/libfs/src/nfsclient/src/rpcio.c

@@ -85 +85 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#include <sys/cpuset.h>
 
 #include "rpcio.h"
@@ -408 +409 @@
 
 rtems_task_priority             rpciodPriority = 0;
+#ifdef RTEMS_SMP
+const cpu_set_t                 *rpciodCpuset = 0;
+size_t                          rpciodCpusetSize = 0;
+#endif
 
 #if (DEBUG) & DEBUG_MALLOC
@@ -983 +988 @@
                                                                                         &rpciod);
                         assert( status == RTEMS_SUCCESSFUL );
+
+#ifdef RTEMS_SMP
+                        if ( rpciodCpuset == 0 ) {
+                                rpciodCpuset = rtems_bsdnet_config.network_task_cpuset;
+                                rpciodCpusetSize = rtems_bsdnet_config.network_task_cpuset_size;
+                        }
+                        if ( rpciodCpuset != 0 )
+                                rtems_task_set_affinity( rpciod, rpciodCpusetSize, rpciodCpuset );
+#endif
 
                         wkup.sw_pfn = rxWakeupCB;