Re: [PATCH v5 02/50] libperf: Lazily allocate/size mmap event copy

From: Arnaldo Carvalho de Melo
Date: Thu Nov 30 2023 - 12:18:02 EST


Em Thu, Nov 30, 2023 at 11:19:51AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Nov 30, 2023 at 10:15:43AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Nov 27, 2023 at 02:08:14PM -0800, Ian Rogers escreveu:
> > > void perf_mmap__munmap(struct perf_mmap *map)
> > > {
> > > - if (map && map->base != NULL) {
> > > + if (!map)
> > > + return;
> > > +
> > > + free(map->event_copy);
> > > + map->event_copy = NULL;
> >
> > I´m converting this to:
> >
> > zfree(&map->event_copy);
> >
> > Hopefully we'll find some tool to flag these before submitting patches,
> > does clang-tidy do these kinds of things?
> >
> > Also, applied:
> >
> > b4 am -P2,4-7 -ctsl --cc-trailers 20231127220902.1315692-1-irogers@xxxxxxxxxx
> >
> > The ones that Namhyung acked and that applied cleanly in order.
> >
> > The first one, as Namhyung noted, is already merged.
>
> I'll fix this later:
>
> [perfbuilder@five ~]$ export BUILD_TARBALL=http://192.168.86.5/perf/perf-6.6.0-rc1.tar.xz
> [perfbuilder@five ~]$ time dm
> 1 16.97 almalinux:8 : FAIL gcc version 8.5.0 20210514 (Red Hat 8.5.0-20) (GCC)
> In file included from fs/fs.c:19:
> fs/../io.h:94:46: error: unknown type name '__u64'
> static inline int io__get_hex(struct io *io, __u64 *hex)

Added the following patch to just before your patches.

https://lore.kernel.org/all/ZWjDPL+IzPPsuC3X@xxxxxxxxxx/T/#u

tldr; missing linux/types.h for __u64 in api/io.h.

- Arnaldo