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perf_counter: Rename perf_counter_limit sysctl

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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>
This commit is contained in:
Peter Zijlstra
2009-06-11 11:25:05 +02:00
committed by Ingo Molnar
parent 0764771dab
commit df58ab24bf
3 changed files with 23 additions and 12 deletions
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6
kernel/sysctl.c
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@@ -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,
},