perf: Bump max number of cpus to 1024

SPARC based systems currently support up to 1024 cpus (e.g. T5-8).
Allow perf to work on those systems.

Signed-off-by: David Ahern <david.ahern@oracle.com>
Link: http://lkml.kernel.org/r/1427213438-127216-1-git-send-email-david.ahern@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 1caa70a..c38a085 100644 (file)
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -29,7 +29,7 @@ static inline unsigned long long rdclock(void)
        return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
 }
 
-#define MAX_NR_CPUS                    256
+#define MAX_NR_CPUS                    1024
 
 extern const char *input_name;
 extern bool perf_host, perf_guest;