Re: [PATCH v3] selftests/bpf: Add ring_buffer__consume_n test.

On Thu, Apr 25, 2024 at 11:47:07AM -0700, Andrii Nakryiko wrote: > On Thu, Apr 25, 2024 at 7:06 AM Andrea Righi > wrote: > > > > Add a testcase for the ring_buffer__consume_n() API. > > > > The test produces multiple samples in a ring buffer, using a > > sy

[PATCH v3] selftests/bpf: Add ring_buffer__consume_n test.

/lkml/CAEf4BzaR4zqUpDmj44KNLdpJ=tpa97grvzuzvno5nm6b7ow...@mail.gmail.com Signed-off-by: Andrea Righi --- tools/testing/selftests/bpf/Makefile | 2 +- .../selftests/bpf/prog_tests/ringbuf.c| 64 +++ .../selftests/bpf/progs/test_ringbuf_n.c | 47 ++ 3

Re: [PATCH] selftests/bpf: Add ring_buffer__consume_n test.

On Thu, Apr 25, 2024 at 02:23:30PM +0200, Jiri Olsa wrote: > On Thu, Apr 25, 2024 at 08:19:04AM +0200, Andrea Righi wrote: > > On Sun, Apr 21, 2024 at 10:11:33PM +0200, Jiri Olsa wrote: > > ... > > > > static struct test_ringbuf_map_key_lskel *skel_map_

[PATCH v2] selftests/bpf: Add ring_buffer__consume_n test.

/lkml/CAEf4BzaR4zqUpDmj44KNLdpJ=tpa97grvzuzvno5nm6b7ow...@mail.gmail.com Signed-off-by: Andrea Righi --- tools/testing/selftests/bpf/Makefile | 2 +- .../selftests/bpf/prog_tests/ringbuf.c| 64 +++ .../selftests/bpf/progs/test_ringbuf_n.c | 47 ++ 3

Re: [PATCH] selftests/bpf: Add ring_buffer__consume_n test.

syscall(__NR_getpgid); > > + > > + /* Consume all samples from the ring buffer in batches of N_SAMPLES */ > > + for (i = 0; i < N_TOT_SAMPLES; i += err) { > > + err = ring_buffer__consume_n(ringbuf, N_SAMPLES); > > + ASSERT_EQ(err, N_SAMPLES, &

[PATCH] selftests/bpf: Add ring_buffer__consume_n test.

/lkml/CAEf4BzaR4zqUpDmj44KNLdpJ=tpa97grvzuzvno5nm6b7ow...@mail.gmail.com Signed-off-by: Andrea Righi --- tools/testing/selftests/bpf/Makefile | 2 +- .../selftests/bpf/prog_tests/ringbuf.c| 65 +++ .../selftests/bpf/progs/test_ringbuf_n.c | 52

Re: [PATCH v4 4/4] selftests/bpf: Add tests for ring__consume_n and ring_buffer__consume_n

On Sat, Apr 06, 2024 at 10:52:10AM -0700, Andrii Nakryiko wrote: > On Sat, Apr 6, 2024 at 10:39 AM Andrii Nakryiko > wrote: > > > > On Sat, Apr 6, 2024 at 2:20 AM Andrea Righi > > wrote: > > > > > > Add tests for new API ring__consume_n() and ring_buff

[PATCH v4 4/4] selftests/bpf: Add tests for ring__consume_n and ring_buffer__consume_n

Add tests for new API ring__consume_n() and ring_buffer__consume_n(). Signed-off-by: Andrea Righi --- tools/testing/selftests/bpf/prog_tests/ringbuf.c | 8 1 file changed, 8 insertions(+) diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf

[PATCH v4 3/4] libbpf: Add ring__consume_n / ring_buffer__consume_n

Introduce a new API to consume items from a ring buffer, limited to a specified amount, and return to the caller the actual number of items consumed. Link: https://lore.kernel.org/lkml/20240310154726.734289-1-andrea.ri...@canonical.com/T Signed-off-by: Andrea Righi --- tools/lib/bpf/libbpf.h

[PATCH v4 2/4] libbpf: ringbuf: allow to consume up to a certain amount of items

consumed from one or more ring buffers. Signed-off-by: Andrea Righi --- tools/lib/bpf/ringbuf.c | 23 +++ 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c index aacb64278a01..2c4031168413 100644 --- a/tools/lib

[PATCH v4 0/4] libbpf: API to partially consume items from ringbuffer

- open a new 1.5.0 cycle v3: - rename ring__consume_max() -> ring__consume_n() and ring_buffer__consume_max() -> ring_buffer__consume_n() - add new API to a new 1.5.0 cycle - fixed minor nits / comments v2: - introduce a new API instead of changing the callback's retcode behav

[PATCH v4 1/4] libbpf: Start v1.5 development cycle

Bump libbpf.map to v1.5.0 to start a new libbpf version cycle. Signed-off-by: Andrea Righi --- tools/lib/bpf/libbpf.map | 3 +++ tools/lib/bpf/libbpf_version.h | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index