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perf trace: Add cmd string table to decode sys_bpf first arg 

# perf trace -e bpf perf record -e /tmp/foo.o -a
   362.779 (0.130 ms): perf/3451 bpf(cmd: PROG_LOAD, uattr: 0x7ffe9a6825d0, size: 48) = 3

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-2b0nknu53baz9e0wj4thcdd8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-10-29 11:48:18 -03:00
parent 66a565c203
commit 729a78417a
1 changed files with 7 additions and 0 deletions
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7
tools/perf/builtin-trace.c
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@ -585,6 +585,12 @@ static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct sysc
#define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
static const char *bpf_cmd[] = {
"MAP_CREATE", "MAP_LOOKUP_ELEM", "MAP_UPDATE_ELEM", "MAP_DELETE_ELEM",
"MAP_GET_NEXT_KEY", "PROG_LOAD",
};
static DEFINE_STRARRAY(bpf_cmd);
static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", }; static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", };
static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1); static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1);
@ -1011,6 +1017,7 @@ static struct syscall_fmt {
.arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */
[1] = SCA_ACCMODE, /* mode */ }, }, [1] = SCA_ACCMODE, /* mode */ }, },
{ .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, { .name = "arch_prctl", .errmsg = true, .alias = "prctl", },
{ .name = "bpf", .errmsg = true, STRARRAY(0, cmd, bpf_cmd), },
{ .name = "brk", .hexret = true, { .name = "brk", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, },
{ .name = "chdir", .errmsg = true, { .name = "chdir", .errmsg = true,