diff options
| author |   Björn Töpel <bjorn.topel@intel.com> | 2019-10-01 13:33:06 +0200 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2019-10-31 21:38:41 +0100 |
| commit | 6bd7cf66578fae18c26d92115058482cc74ca71b (patch) | |
| tree | fe7177a667e95cb07058b82e9befb39bf44b3be4 /tools/perf/perf-sys.h | |
| parent | bpf: Allow narrow loads of bpf_sysctl fields with offset > 0 (diff) | |
| download | linux-dev-6bd7cf66578fae18c26d92115058482cc74ca71b.tar.xz linux-dev-6bd7cf66578fae18c26d92115058482cc74ca71b.zip | |
perf tools: Make usage of test_attr__* optional for perf-sys.h
For users of perf-sys.h outside perf, e.g. samples/bpf/bpf_load.c, it's
convenient not to depend on test_attr__*.
After commit 91854f9a077e ("perf tools: Move everything related to
sys_perf_event_open() to perf-sys.h"), all users of perf-sys.h will
depend on test_attr__enabled and test_attr__open.
This commit enables a user to define HAVE_ATTR_TEST to zero in order
to omit the test dependency.
Fixes: 91854f9a077e ("perf tools: Move everything related to sys_perf_event_open() to perf-sys.h")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Acked-by: Song Liu <songliubraving@fb.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: http://lore.kernel.org/bpf/20191001113307.27796-2-bjorn.topel@gmail.com
Diffstat (limited to 'tools/perf/perf-sys.h')
| -rw-r--r-- | tools/perf/perf-sys.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h index 63e4349a772a..15e458e150bd 100644 --- a/tools/perf/perf-sys.h +++ b/tools/perf/perf-sys.h @@ -15,7 +15,9 @@ void test_attr__init(void); void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, int fd, int group_fd, unsigned long flags); -#define HAVE_ATTR_TEST +#ifndef HAVE_ATTR_TEST +#define HAVE_ATTR_TEST 1 +#endif static inline int sys_perf_event_open(struct perf_event_attr *attr, @@ -27,7 +29,7 @@ sys_perf_event_open(struct perf_event_attr *attr, fd = syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags); -#ifdef HAVE_ATTR_TEST +#if HAVE_ATTR_TEST if (unlikely(test_attr__enabled)) test_attr__open(attr, pid, cpu, fd, group_fd, flags); #endif |