| Date | Mon, 14 Sep 2020 11:36:02 +0200 | From | peterz@infradea ... | Subject | Re: [PATCH 02/26] perf: Introduce mmap3 version of mmap event |
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On Sun, Sep 13, 2020 at 11:02:49PM +0200, Jiri Olsa wrote: > Add new version of mmap event. The MMAP3 record is an > augmented version of MMAP2, it adds build id value to > identify the exact binary object behind memory map: > > struct { > struct perf_event_header header; > > u32 pid, tid; > u64 addr; > u64 len; > u64 pgoff; > u32 maj; > u32 min; > u64 ino; > u64 ino_generation; > u32 prot, flags; > u32 reserved; > u8 buildid[20]; > char filename[]; > struct sample_id sample_id; > }; >
So weren't there still open problems with mmap2 that also needed addressing? I seem to have forgotten :/
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