On 2016-11-03 04:35, Andrew Jones wrote:
+/*
+ * Ensure that the cycle counter progresses between back-to-back
reads.
+ */
+static bool check_cycles_increase(void)
+{
+ struct pmu_data pmu = {{0}};
+
+ enable_counter(ARMV8_PMU_CYCLE_IDX);
+ set_pmccfiltr(0); /* count cycles i
On Wed, Nov 02, 2016 at 05:22:16PM -0500, Wei Huang wrote:
Missing From: Christopher
> Ensure that reads of the PMCCNTR_EL0 are monotonically increasing,
> even for the smallest delta of two subsequent reads.
>
> Signed-off-by: Christopher Covington
> Signed-off-by: Wei Huang
> ---
> arm/pmu.
Hi Wei,
Thanks for your work on this.
On 2016-11-02 16:22, Wei Huang wrote:
Ensure that reads of the PMCCNTR_EL0 are monotonically increasing,
even for the smallest delta of two subsequent reads.
Signed-off-by: Christopher Covington
Signed-off-by: Wei Huang
---
arm/pmu.c | 100
Ensure that reads of the PMCCNTR_EL0 are monotonically increasing,
even for the smallest delta of two subsequent reads.
Signed-off-by: Christopher Covington
Signed-off-by: Wei Huang
---
arm/pmu.c | 100 ++
1 file changed, 100 insertion
