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>
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 344a659..9fd4e43 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -932,9 +932,9 @@
},
{
.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,
},