On 2015/09/08 18:32, Alexander Shishkin wrote: > Takao Indoh <indou.ta...@jp.fujitsu.com> writes: > >> perf_event_create_kernel_counter is used to enable perf events in kernel >> without buffer for logging its events. This patch add new fucntion which >> enable perf events with ring buffer. Intel PT logger uses this to enable >> Intel PT and some associated events with its log buffer. > > Have you seen [1] and related patches? I haven't gotten around to > updating them yet, but hopefully it's going to happen soon. > > The problem is that for such api to work, this memory needs to be > accounted, especially when you start handling event inheritance. For > system crash dump it doesn't really matter, but I also need a similar > api for per-task core dumps, for example.
I have not seen this, I'll check it. You or someone else are working on api for process core dump? Thanks, Takao Indoh > > [1] https://lkml.org/lkml/2014/10/13/290 > > Thanks, > -- > Alex > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
