On 22/03/23 11:30, Peter Zijlstra wrote:
> On Wed, Mar 22, 2023 at 10:39:55AM +0100, Peter Zijlstra wrote:
>> On Tue, Mar 07, 2023 at 02:35:52PM +, Valentin Schneider wrote:
>> > +TRACE_EVENT(ipi_send_cpumask,
>> > +
>> > + TP_PROTO(const struct cpumask *cpumask, unsigned long callsite, void
On Wed, Mar 22, 2023 at 10:39:55AM +0100, Peter Zijlstra wrote:
> On Tue, Mar 07, 2023 at 02:35:52PM +, Valentin Schneider wrote:
> > trace_ipi_raise() is unsuitable for generically tracing IPI sources due to
> > its "reason" argument being an uninformative string (on arm64 all you get
> > is "
On Tue, Mar 07, 2023 at 02:35:52PM +, Valentin Schneider wrote:
> trace_ipi_raise() is unsuitable for generically tracing IPI sources due to
> its "reason" argument being an uninformative string (on arm64 all you get
> is "Function call interrupts" for SMP calls).
>
> Add a variant of it that
trace_ipi_raise() is unsuitable for generically tracing IPI sources due to
its "reason" argument being an uninformative string (on arm64 all you get
is "Function call interrupts" for SMP calls).
Add a variant of it that exports a target cpumask, a callsite and a callback.
Signed-off-by: Valentin
