Jan Kiszka wrote: > This patch migrates the xnintr hits statistics to the new xnstat > subsystem and introduces per-CPU runtime statistics to xnintr entities. > The latter allows to differentiate between ISR and thread activity under > /proc/xenomai/stat. > > For querying the xnintr statistics, a scalable service based on IRQ list > revisions is introduced (xnintr_query), just like it already exists for > threads. > > Accounting model: > - hits are only counted if the ISR returns XN_ISR_HANDLED > - runtime is accounted over each ISR invocation, independent of its > return value > > As a hopefully not critical side effect, the native intr services now > only reports non-zero hit counters if XENO_OPT_STATS in enabled. This > fact is documented in the rt_intr_info structure. >
This patch causes an oops on process cleanup here - I'm still investigating (likely an outdated xnstat_runtime reference)... Jan
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