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perf_counter, x86: Update x86_pmu after WARN() 

The print out should read the value before changing the value.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4A487017.4090007@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2009-06-29 00:41:11 -07:00 committed by Ingo Molnar
parent c3043569dc
commit 4078c444cf
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/cpu/perf_counter.c
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@ -1496,17 +1496,17 @@ void __init init_hw_perf_counters(void)
pr_cont("%s PMU driver.\n", x86_pmu.name);
if (x86_pmu.num_counters > X86_PMC_MAX_GENERIC) {
x86_pmu.num_counters = X86_PMC_MAX_GENERIC;
WARN(1, KERN_ERR "hw perf counters %d > max(%d), clipping!",
x86_pmu.num_counters, X86_PMC_MAX_GENERIC);
x86_pmu.num_counters = X86_PMC_MAX_GENERIC;
}
perf_counter_mask = (1 << x86_pmu.num_counters) - 1;
perf_max_counters = x86_pmu.num_counters;
if (x86_pmu.num_counters_fixed > X86_PMC_MAX_FIXED) {
x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED;
WARN(1, KERN_ERR "hw perf counters fixed %d > max(%d), clipping!",
x86_pmu.num_counters_fixed, X86_PMC_MAX_FIXED);
x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED;
}
perf_counter_mask |=