Messages in this thread Patch in this message | | | Date | Tue, 9 May 2023 15:21:29 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH] perf bpf skels: vmlinux.h uses bpf.h and perf_event.h in the source directory |
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Em Tue, May 09, 2023 at 06:36:49AM +0000, Yang Jihong escreveu: > Currently, vmlinux.h uses the bpf.h and perf_event.h header files in the > system path. If the header files in compilation environment are old, > compilation may fail. For example: > > /home/yangjihong/linux/tools/perf/util/bpf_skel/.tmp/../vmlinux.h:151:27: error: field has incomplete type 'union perf_sample_weight' > union perf_sample_weight weight;
Can this be solved in the Makefile directives for building BPF targets?
- Arnaldo > Use the bpf.h and perf_event.h files in the source code directory to > avoid compilation compatibility problems. > > Signed-off-by: Yang Jihong <yangjihong1@huawei.com> > --- > tools/perf/util/bpf_skel/vmlinux.h | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/tools/perf/util/bpf_skel/vmlinux.h b/tools/perf/util/bpf_skel/vmlinux.h > index 449b1ea91fc4..af79bcc4c4b7 100644 > --- a/tools/perf/util/bpf_skel/vmlinux.h > +++ b/tools/perf/util/bpf_skel/vmlinux.h > @@ -1,11 +1,13 @@ > #ifndef __VMLINUX_H > #define __VMLINUX_H > > -#include <linux/bpf.h> > #include <linux/types.h> > -#include <linux/perf_event.h> > #include <stdbool.h> > > +// Use header files in source directory to avoid compilation compatibility problems. > +#include "../../../include/uapi/linux/perf_event.h" > +#include "../../../include/uapi/linux/bpf.h" > + > // non-UAPI kernel data structures, used in the .bpf.c BPF tool component. > > // Just the fields used in these tools preserving the access index so that > -- > 2.30.GIT >
--
- Arnaldo
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