提交 5bcdf5e4 编写于 作者: R Robert Richter 提交者: Ingo Molnar

perf/x86: Update event scheduling constraints for AMD family 15h models

This update is for newer family 15h cpu models from 0x02 to 0x1f.
Signed-off-by: NRobert Richter <robert.richter@amd.com>
Acked-by: NPeter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: stable@vger.kernel.org # v2.6.39+
Link: http://lkml.kernel.org/r/1337337642-1621-1-git-send-email-robert.richter@amd.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
上级 42ea7d7f
......@@ -493,6 +493,7 @@ static __initconst const struct x86_pmu amd_pmu = {
* 0x023 DE PERF_CTL[2:0]
* 0x02D LS PERF_CTL[3]
* 0x02E LS PERF_CTL[3,0]
* 0x031 LS PERF_CTL[2:0] (**)
* 0x043 CU PERF_CTL[2:0]
* 0x045 CU PERF_CTL[2:0]
* 0x046 CU PERF_CTL[2:0]
......@@ -506,10 +507,12 @@ static __initconst const struct x86_pmu amd_pmu = {
* 0x0DD LS PERF_CTL[5:0]
* 0x0DE LS PERF_CTL[5:0]
* 0x0DF LS PERF_CTL[5:0]
* 0x1C0 EX PERF_CTL[5:3]
* 0x1D6 EX PERF_CTL[5:0]
* 0x1D8 EX PERF_CTL[5:0]
*
* (*) depending on the umask all FPU counters may be used
* (*) depending on the umask all FPU counters may be used
* (**) only one unitmask enabled at a time
*/
static struct event_constraint amd_f15_PMC0 = EVENT_CONSTRAINT(0, 0x01, 0);
......@@ -559,6 +562,12 @@ amd_get_event_constraints_f15h(struct cpu_hw_events *cpuc, struct perf_event *ev
return &amd_f15_PMC3;
case 0x02E:
return &amd_f15_PMC30;
case 0x031:
if (hweight_long(hwc->config & ARCH_PERFMON_EVENTSEL_UMASK) <= 1)
return &amd_f15_PMC20;
return &emptyconstraint;
case 0x1C0:
return &amd_f15_PMC53;
default:
return &amd_f15_PMC50;
}
......
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