Re: [RFC PATCH 1/1] smp: Add tracepoints for functions called with smp_call_function*()

[Sebastian Andrzej Siewior]

On 2023-04-06 04:57:18 [-0300], Leonardo Bras wrote:
> When running RT workloads in isolated CPUs, many cases of deadline misses
> are caused by remote CPU requests such as smp_call_function*().
> 
> For those cases, having the names of those functions running around the
> deadline miss moment could help finding a target for the next improvements.
> 
> Add tracepoints for acquiring the funtion name & argument before entry and
> after exitting the called function.
> 
> Signed-off-by: Leonardo Bras <leobras@xxxxxxxxxx>

Check
	https://lore.kernel.org/20230307143558.294354-1-vschneid@xxxxxxxxxx

Sebastian