perf_counter: Rename perf_counter_limit sysctl

Rename perf_counter_limit to perf_counter_max_sample_rate and
prohibit creation of counters with a known higher sample
frequency.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 344a65981dee..9fd4e436b696 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -932,9 +932,9 @@ static struct ctl_table kern_table[] = {
         },
         {
                 .ctl_name       = CTL_UNNUMBERED,
-                .procname       = "perf_counter_int_limit",
-                .data           = &sysctl_perf_counter_limit,
-                .maxlen         = sizeof(sysctl_perf_counter_limit),
+                .procname       = "perf_counter_max_sample_rate",
+                .data           = &sysctl_perf_counter_sample_rate,
+                .maxlen         = sizeof(sysctl_perf_counter_sample_rate),
                 .mode           = 0644,
                 .proc_handler   = &proc_dointvec,
         },