On 2021-03-02 04:13, Doug Anderson wrote:
Hi,
On Mon, Mar 1, 2021 at 11:05 AM Sai Prakash Ranjan
wrote:
On production systems with ETMs enabled, it is preferred to exclude
kernel mode(NS EL1) tracing for security concerns and support only
userspace(NS EL0) tracing. Perf subsystem interface
Hi,
On Mon, Mar 1, 2021 at 11:05 AM Sai Prakash Ranjan
wrote:
>
> On production systems with ETMs enabled, it is preferred to exclude
> kernel mode(NS EL1) tracing for security concerns and support only
> userspace(NS EL0) tracing. Perf subsystem interface uses the newly
> introduced kernel
On production systems with ETMs enabled, it is preferred to exclude
kernel mode(NS EL1) tracing for security concerns and support only
userspace(NS EL0) tracing. Perf subsystem interface uses the newly
introduced kernel config CONFIG_EXCLUDE_KERNEL_PMU_TRACE to exclude
kernel mode tracing, but
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