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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-05-10 10:24:40 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-11 01:40:52 +0200 |
| commit | d0cabbb021bee5c4b831a0235af9534ad07f8d3d (patch) | |
| tree | 7843337206d80588110d9112d49836624b09be64 /samples | |
| parent | 5f9380572b4bb24f60cd492b17331db6ee34a516 (diff) | |
| download | linux-d0cabbb021bee5c4b831a0235af9534ad07f8d3d.tar.gz linux-d0cabbb021bee5c4b831a0235af9534ad07f8d3d.tar.bz2 linux-d0cabbb021bee5c4b831a0235af9534ad07f8d3d.zip | |
tools: bpf: move the event reading loop to libbpf
There are two copies of event reading loop - in bpftool and
trace_helpers "library". Consolidate them and move the code
to libbpf. Return codes from trace_helpers are kept, but
renamed to include LIBBPF prefix.
Suggested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/Makefile | 8 | ||||
| -rw-r--r-- | samples/bpf/trace_output_user.c | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 79cdb66a5ea7..8ce72d211c3e 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -165,6 +165,14 @@ HOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include HOSTCFLAGS += -I$(srctree)/tools/perf HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable +HOSTCFLAGS_trace_helpers.o += -I$(srctree)/tools/lib/bpf/ + +HOSTCFLAGS_trace_output_user.o += -I$(srctree)/tools/lib/bpf/ +HOSTCFLAGS_offwaketime_user.o += -I$(srctree)/tools/lib/bpf/ +HOSTCFLAGS_spintest_user.o += -I$(srctree)/tools/lib/bpf/ +HOSTCFLAGS_trace_event_user.o += -I$(srctree)/tools/lib/bpf/ +HOSTCFLAGS_sampleip_user.o += -I$(srctree)/tools/lib/bpf/ + HOSTLOADLIBES_test_lru_dist += -lelf HOSTLOADLIBES_sock_example += -lelf HOSTLOADLIBES_fds_example += -lelf diff --git a/samples/bpf/trace_output_user.c b/samples/bpf/trace_output_user.c index 5e78c2ecd08d..da98be721001 100644 --- a/samples/bpf/trace_output_user.c +++ b/samples/bpf/trace_output_user.c @@ -48,7 +48,7 @@ static int print_bpf_output(void *data, int size) if (e->cookie != 0x12345678) { printf("BUG pid %llx cookie %llx sized %d\n", e->pid, e->cookie, size); - return PERF_EVENT_ERROR; + return LIBBPF_PERF_EVENT_ERROR; } cnt++; @@ -56,10 +56,10 @@ static int print_bpf_output(void *data, int size) if (cnt == MAX_CNT) { printf("recv %lld events per sec\n", MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); - return PERF_EVENT_DONE; + return LIBBPF_PERF_EVENT_DONE; } - return PERF_EVENT_CONT; + return LIBBPF_PERF_EVENT_CONT; } static void test_bpf_perf_event(void) |