From: Arnaldo Carvalho de Melo Date: Fri, 14 Jul 2017 14:05:40 +0000 (-0300) Subject: perf trace beauty fcntl: Basic 'arg' beautifier X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9c47f66748381ecbaa3a5eb301b81fd2fd0a282d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git perf trace beauty fcntl: Basic 'arg' beautifier Sometimes it should be printed as an hex number, like with F_SETLK, F_SETLKW and F_GETLK, that treat 'arg' as a struct flock pointer, in other cases it is just an integer. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-2gykg6enk7vos6q0m97hkgsg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index a323736043e1..2a894ea7f540 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -660,7 +660,8 @@ static struct syscall_fmt { { .name = "fchownat", .errmsg = true, .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, { .name = "fcntl", .errmsg = true, - .arg_scnprintf = { [1] = SCA_FCNTL_CMD, /* cmd */ }, + .arg_scnprintf = { [1] = SCA_FCNTL_CMD, /* cmd */ + [2] = SCA_FCNTL_ARG, /* arg */ }, .arg_parm = { [1] = &strarrays__fcntl_cmds_arrays, /* cmd */ }, }, { .name = "fdatasync", .errmsg = true, }, { .name = "flock", .errmsg = true, diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h index 61aec19e55ec..d76f903bf2ed 100644 --- a/tools/perf/trace/beauty/beauty.h +++ b/tools/perf/trace/beauty/beauty.h @@ -43,6 +43,9 @@ size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *ar size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg); #define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd +size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg + size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg); #define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags diff --git a/tools/perf/trace/beauty/fcntl.c b/tools/perf/trace/beauty/fcntl.c index 7e4582c9308e..8a5f58d9eb7c 100644 --- a/tools/perf/trace/beauty/fcntl.c +++ b/tools/perf/trace/beauty/fcntl.c @@ -21,3 +21,21 @@ size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_ar return syscall_arg__scnprintf_strarrays(bf, size, arg); } + +size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg) +{ + int cmd = syscall_arg__val(arg, 1); + + /* + * We still don't grab the contents of pointers on entry or exit, + * so just print them as hex numbers + */ + if (cmd == F_SETLK || cmd == F_SETLKW || cmd == F_GETLK || + cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW || cmd == F_OFD_GETLK || + cmd == F_GETOWN_EX || cmd == F_SETOWN_EX || + cmd == F_GET_RW_HINT || cmd == F_SET_RW_HINT || + cmd == F_GET_FILE_RW_HINT || cmd == F_SET_FILE_RW_HINT) + return syscall_arg__scnprintf_hex(bf, size, arg); + + return syscall_arg__scnprintf_long(bf, size, arg); +}