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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-24 16:02:17 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-25 15:12:11 +0100 |
| commit | 76a06125dd57ed2c7559410168b543313fa0cc51 (patch) | |
| tree | d12a79636ae246a3b895af031f2e7d55cb6e194d /tools/perf/examples | |
| parent | f52fdd64f6046ab121688155aebd66b52ce0077d (diff) | |
perf augmented_syscalls: Convert to bpf_map()
To make the code more compact, end result is the same:
# perf trace -e /home/acme/git/perf/tools/perf/examples/bpf/augmented_syscalls.c sleep 1
0.000 ( 0.008 ms): sleep/9663 openat(dfd: CWD, filename: "/etc/ld.so.cache", flags: RDONLY|CLOEXEC) = 3
0.022 ( 0.005 ms): sleep/9663 openat(dfd: CWD, filename: "/lib64/libc.so.6", flags: RDONLY|CLOEXEC) = 3
0.226 ( 0.006 ms): sleep/9663 openat(dfd: CWD, filename: "/usr/lib/locale/locale-archive", flags: RDONLY|CLOEXEC) = 3
#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-23z08bgizqnbc3qdsyl7jyyg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/examples')
| -rw-r--r-- | tools/perf/examples/bpf/augmented_syscalls.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/tools/perf/examples/bpf/augmented_syscalls.c b/tools/perf/examples/bpf/augmented_syscalls.c index b7dba114e36c..524fdb8534b3 100644 --- a/tools/perf/examples/bpf/augmented_syscalls.c +++ b/tools/perf/examples/bpf/augmented_syscalls.c @@ -19,12 +19,8 @@ #include <stdio.h> #include <linux/socket.h> -struct bpf_map SEC("maps") __augmented_syscalls__ = { - .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, - .key_size = sizeof(int), - .value_size = sizeof(u32), - .max_entries = __NR_CPUS__, -}; +/* bpf-output associated map */ +bpf_map(__augmented_syscalls__, PERF_EVENT_ARRAY, int, u32, __NR_CPUS__); struct syscall_exit_args { unsigned long long common_tp_fields; |