X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=test_qsbr.c;h=6830fe1d2c1c77f144f1f28760bf2a2123cff2c4;hb=65f03794a386588df536051ca4df9fd6e777f372;hp=dc871dc118ee9c82d5fd1676533eef1751552844;hpb=9e31d0f0084e781405056c347aa4a8c53f676096;p=urcu.git

diff --git a/test_qsbr.c b/test_qsbr.c
index dc871dc..6830fe1 100644
--- a/test_qsbr.c
+++ b/test_qsbr.c
@@ -35,6 +35,9 @@
 
 #include "arch.h"
 
+/* Make this big enough to include the POWER5+ L3 cacheline size of 256B */
+#define CACHE_LINE_SIZE 4096
+
 #if defined(_syscall0)
 _syscall0(pid_t, gettid)
 #elif defined(__NR_gettid)
@@ -339,10 +342,26 @@ int main(int argc, char **argv)
 	printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
 			"main", pthread_self(), (unsigned long)gettid());
 
-	if (use_affinity
-	    && sched_setaffinity(0, sizeof(affinity), &affinity) < 0) {
-		perror("sched_setaffinity");
-		exit(-1);
+	if (use_affinity) {
+		for (i = 0; i < CPU_SETSIZE; i++)
+			if (CPU_ISSET(i, &affinity))
+				printf_verbose("About to set affinity "
+					       "to CPU : %d\n", i);
+
+		if (sched_setaffinity(0, sizeof(affinity), &affinity) < 0) {
+			perror("sched_setaffinity");
+			exit(-1);
+		}
+
+		if (sched_getaffinity(0, sizeof(affinity), &affinity) < 0) {
+			perror("sched_getaffinity");
+			exit(-1);
+		}
+
+		for (i = 0; i < CPU_SETSIZE; i++)
+			if (CPU_ISSET(i, &affinity))
+				printf_verbose("Effectively set affinity "
+					       "to CPU : %d\n", i);
 	}
 
 	test_array = malloc(sizeof(*test_array) * ARRAY_SIZE);