Messages in this thread | | | From | Shakeel Butt <> | Date | Sat, 21 May 2022 22:42:10 -0700 | Subject | Re: [PATCH v4] tracing: add 'accounted' entry into output of allocation tracepoints |
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On Sat, May 21, 2022 at 10:19 PM Hyeonggon Yoo <42.hyeyoo@gmail.com> wrote: > [...] > > No strong opinion but just a concern that maybe later someone want add > something similar like 'reclaimable=true/false', 'dma=true/false', ... > and I would prefer more general solution. (especially if we'll not > change tracepoints after release because of backward compatibility) >
There is no contract for tracepoints to be stable and can be changed.
> > For my task it's not important to know SLAB flags, I just need to understand, > > is current allocation accounted or not. > > SLAB_ACCOUNT, SLAB_RECLAIM_ACCOUNT, SLAB_DMA, ... etc are SLAB flags. > > 'if current allocation is accounted or not' depends on SLAB_ACCOUNT > flag is set or not. >
allocation can be accounted due to __GFP_ACCOUNT as well.
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