On Fri, Feb 23 2024 at 15:18, Bitao Hu wrote:
> On 2024/2/22 21:22, Thomas Gleixner wrote:
>>> - if (desc->kstat_irqs) {
>>> - for_each_online_cpu(j)
>>> - any_count |= data_race(*per_cpu_ptr(desc->kstat_irqs,
>>> j));
>>> - }
>>> + if (desc->kstat_irqs)
>>> +
Hi,
On 2024/2/22 21:22, Thomas Gleixner wrote:
On Thu, Feb 22 2024 at 17:34, Bitao Hu wrote:
First of all the subsystem prefix is 'genirq:'. 'git log kernel/irq/'
gives you a pretty good hint. It's documented
Secondly the subject line does not match what this patch is about. It's
not
On Thu, Feb 22 2024 at 17:34, Bitao Hu wrote:
First of all the subsystem prefix is 'genirq:'. 'git log kernel/irq/'
gives you a pretty good hint. It's documented
Secondly the subject line does not match what this patch is about. It's
not about using a struct, it's about providing a snapshot
The current implementation uses an int for the kstat_irqs in the
interrupt descriptor.
However, we need to know the number of interrupts which happened
since softlockup detection took a snapshot in order to analyze
the problem caused by an interrupt storm.
Replacing an int with a struct and
