Re: [PATCHv6 bpf-next 13/16] selftests/bpf: Add uprobe session single consumer test

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On Thu, Oct 10, 2024 at 07:25:59PM -0700, Andrii Nakryiko wrote:
> On Thu, Oct 10, 2024 at 1:12 PM Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
> >
> > Testing that the session ret_handler bypass works on single
> > uprobe with multiple consumers, each with different session
> > ignore return value.
> >
> > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> > ---
> >  .../bpf/prog_tests/uprobe_multi_test.c        | 33 ++++++++++++++
> >  .../bpf/progs/uprobe_multi_session_single.c   | 44 +++++++++++++++++++
> >  2 files changed, 77 insertions(+)
> >  create mode 100644 tools/testing/selftests/bpf/progs/uprobe_multi_session_single.c
> >
> 
> see the nit, but regardless:
> 
> Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> 
> [...]
> 
> > diff --git a/tools/testing/selftests/bpf/progs/uprobe_multi_session_single.c b/tools/testing/selftests/bpf/progs/uprobe_multi_session_single.c
> > new file mode 100644
> > index 000000000000..1fa53d3785f6
> > --- /dev/null
> > +++ b/tools/testing/selftests/bpf/progs/uprobe_multi_session_single.c
> > @@ -0,0 +1,44 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +#include <linux/bpf.h>
> > +#include <bpf/bpf_helpers.h>
> > +#include <bpf/bpf_tracing.h>
> > +#include <stdbool.h>
> > +#include "bpf_kfuncs.h"
> > +#include "bpf_misc.h"
> > +
> > +char _license[] SEC("license") = "GPL";
> > +
> > +__u64 uprobe_session_result[3] = {};
> > +int pid = 0;
> > +
> > +static int uprobe_multi_check(void *ctx, bool is_return, int idx)
> 
> nit: you don't use is_return

ugh true, thanks

jirka




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