diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
-rw-r--r-- | tools/perf/builtin-trace.c | 602 |
1 files changed, 319 insertions, 283 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 4b2a5d298197..1e4c0657b712 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -64,6 +64,10 @@ # define O_CLOEXEC 02000000 #endif +#ifndef F_LINUX_SPECIFIC_BASE +# define F_LINUX_SPECIFIC_BASE 1024 +#endif + struct trace { struct perf_tool tool; struct syscalltbl *sctbl; @@ -279,34 +283,21 @@ out_delete: ({ struct syscall_tp *fields = evsel->priv; \ fields->name.pointer(&fields->name, sample); }) -struct strarray { - int offset; - int nr_entries; - const char **entries; -}; +size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val) +{ + int idx = val - sa->offset; -#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ - .nr_entries = ARRAY_SIZE(array), \ - .entries = array, \ -} + if (idx < 0 || idx >= sa->nr_entries) + return scnprintf(bf, size, intfmt, val); -#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ - .offset = off, \ - .nr_entries = ARRAY_SIZE(array), \ - .entries = array, \ + return scnprintf(bf, size, "%s", sa->entries[idx]); } static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size, const char *intfmt, struct syscall_arg *arg) { - struct strarray *sa = arg->parm; - int idx = arg->val - sa->offset; - - if (idx < 0 || idx >= sa->nr_entries) - return scnprintf(bf, size, intfmt, arg->val); - - return scnprintf(bf, size, "%s", sa->entries[idx]); + return strarray__scnprintf(arg->parm, bf, size, intfmt, arg->val); } static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, @@ -317,6 +308,36 @@ static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, #define SCA_STRARRAY syscall_arg__scnprintf_strarray +struct strarrays { + int nr_entries; + struct strarray **entries; +}; + +#define DEFINE_STRARRAYS(array) struct strarrays strarrays__##array = { \ + .nr_entries = ARRAY_SIZE(array), \ + .entries = array, \ +} + +size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, + struct syscall_arg *arg) +{ + struct strarrays *sas = arg->parm; + int i; + + for (i = 0; i < sas->nr_entries; ++i) { + struct strarray *sa = sas->entries[i]; + int idx = arg->val - sa->offset; + + if (idx >= 0 && idx < sa->nr_entries) { + if (sa->entries[idx] == NULL) + break; + return scnprintf(bf, size, "%s", sa->entries[idx]); + } + } + + return scnprintf(bf, size, "%d", arg->val); +} + #if defined(__i386__) || defined(__x86_64__) /* * FIXME: Make this available to all arches as soon as the ioctl beautifier @@ -331,11 +352,6 @@ static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray #endif /* defined(__i386__) || defined(__x86_64__) */ -static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, - struct syscall_arg *arg); - -#define SCA_FD syscall_arg__scnprintf_fd - #ifndef AT_FDCWD #define AT_FDCWD -100 #endif @@ -358,21 +374,20 @@ static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, #define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd -static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, - struct syscall_arg *arg) +size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg) { return scnprintf(bf, size, "%#lx", arg->val); } -#define SCA_HEX syscall_arg__scnprintf_hex - -static size_t syscall_arg__scnprintf_int(char *bf, size_t size, - struct syscall_arg *arg) +size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg) { return scnprintf(bf, size, "%d", arg->val); } -#define SCA_INT syscall_arg__scnprintf_int +size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg) +{ + return scnprintf(bf, size, "%ld", arg->val); +} static const char *bpf_cmd[] = { "MAP_CREATE", "MAP_LOOKUP_ELEM", "MAP_UPDATE_ELEM", "MAP_DELETE_ELEM", @@ -407,12 +422,27 @@ static DEFINE_STRARRAY(whences); static const char *fcntl_cmds[] = { "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK", - "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64", - "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX", - "F_GETOWNER_UIDS", + "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "GETLK64", + "SETLK64", "SETLKW64", "SETOWN_EX", "GETOWN_EX", + "GETOWNER_UIDS", }; static DEFINE_STRARRAY(fcntl_cmds); +static const char *fcntl_linux_specific_cmds[] = { + "SETLEASE", "GETLEASE", "NOTIFY", [5] = "CANCELLK", "DUPFD_CLOEXEC", + "SETPIPE_SZ", "GETPIPE_SZ", "ADD_SEALS", "GET_SEALS", + "GET_RW_HINT", "SET_RW_HINT", "GET_FILE_RW_HINT", "SET_FILE_RW_HINT", +}; + +static DEFINE_STRARRAY_OFFSET(fcntl_linux_specific_cmds, F_LINUX_SPECIFIC_BASE); + +static struct strarray *fcntl_cmds_arrays[] = { + &strarray__fcntl_cmds, + &strarray__fcntl_linux_specific_cmds, +}; + +static DEFINE_STRARRAYS(fcntl_cmds_arrays); + static const char *rlimit_resources[] = { "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE", "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO", @@ -552,9 +582,9 @@ static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size, #define SCA_GETRANDOM_FLAGS syscall_arg__scnprintf_getrandom_flags -#define STRARRAY(arg, name, array) \ - .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ - .arg_parm = { [arg] = &strarray__##array, } +#define STRARRAY(name, array) \ + { .scnprintf = SCA_STRARRAY, \ + .parm = &strarray__##array, } #include "trace/beauty/eventfd.c" #include "trace/beauty/flock.c" @@ -571,242 +601,205 @@ static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size, #include "trace/beauty/socket_type.c" #include "trace/beauty/waitid_options.c" +struct syscall_arg_fmt { + size_t (*scnprintf)(char *bf, size_t size, struct syscall_arg *arg); + void *parm; + bool show_zero; +}; + static struct syscall_fmt { const char *name; const char *alias; - size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg); - void *arg_parm[6]; - bool errmsg; + struct syscall_arg_fmt arg[6]; bool errpid; bool timeout; bool hexret; } syscall_fmts[] = { - { .name = "access", .errmsg = true, - .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, }, - { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, - { .name = "bpf", .errmsg = true, STRARRAY(0, cmd, bpf_cmd), }, + { .name = "access", + .arg = { [1] = { .scnprintf = SCA_ACCMODE, /* mode */ }, }, }, + { .name = "arch_prctl", .alias = "prctl", }, + { .name = "bpf", + .arg = { [0] = STRARRAY(cmd, bpf_cmd), }, }, { .name = "brk", .hexret = true, - .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, - { .name = "chdir", .errmsg = true, }, - { .name = "chmod", .errmsg = true, }, - { .name = "chroot", .errmsg = true, }, - { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), }, + .arg = { [0] = { .scnprintf = SCA_HEX, /* brk */ }, }, }, + { .name = "clock_gettime", + .arg = { [0] = STRARRAY(clk_id, clockid), }, }, { .name = "clone", .errpid = true, }, - { .name = "close", .errmsg = true, - .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, }, - { .name = "connect", .errmsg = true, }, - { .name = "creat", .errmsg = true, }, - { .name = "dup", .errmsg = true, }, - { .name = "dup2", .errmsg = true, }, - { .name = "dup3", .errmsg = true, }, - { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, - { .name = "eventfd2", .errmsg = true, - .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, - { .name = "faccessat", .errmsg = true, }, - { .name = "fadvise64", .errmsg = true, }, - { .name = "fallocate", .errmsg = true, }, - { .name = "fchdir", .errmsg = true, }, - { .name = "fchmod", .errmsg = true, }, - { .name = "fchmodat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, - { .name = "fchown", .errmsg = true, }, - { .name = "fchownat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, - { .name = "fcntl", .errmsg = true, - .arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ }, - .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, - { .name = "fdatasync", .errmsg = true, }, - { .name = "flock", .errmsg = true, - .arg_scnprintf = { [1] = SCA_FLOCK, /* cmd */ }, }, - { .name = "fsetxattr", .errmsg = true, }, - { .name = "fstat", .errmsg = true, .alias = "newfstat", }, - { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, - { .name = "fstatfs", .errmsg = true, }, - { .name = "fsync", .errmsg = true, }, - { .name = "ftruncate", .errmsg = true, }, - { .name = "futex", .errmsg = true, - .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, - { .name = "futimesat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, - { .name = "getdents", .errmsg = true, }, - { .name = "getdents64", .errmsg = true, }, - { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, + { .name = "close", + .arg = { [0] = { .scnprintf = SCA_CLOSE_FD, /* fd */ }, }, }, + { .name = "epoll_ctl", + .arg = { [1] = STRARRAY(op, epoll_ctl_ops), }, }, + { .name = "eventfd2", + .arg = { [1] = { .scnprintf = SCA_EFD_FLAGS, /* flags */ }, }, }, + { .name = "fchmodat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, }, + { .name = "fchownat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, }, + { .name = "fcntl", + .arg = { [1] = { .scnprintf = SCA_FCNTL_CMD, /* cmd */ + .parm = &strarrays__fcntl_cmds_arrays, + .show_zero = true, }, + [2] = { .scnprintf = SCA_FCNTL_ARG, /* arg */ }, }, }, + { .name = "flock", + .arg = { [1] = { .scnprintf = SCA_FLOCK, /* cmd */ }, }, }, + { .name = "fstat", .alias = "newfstat", }, + { .name = "fstatat", .alias = "newfstatat", }, + { .name = "futex", + .arg = { [1] = { .scnprintf = SCA_FUTEX_OP, /* op */ }, }, }, + { .name = "futimesat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, }, + { .name = "getitimer", + .arg = { [0] = STRARRAY(which, itimers), }, }, { .name = "getpid", .errpid = true, }, { .name = "getpgid", .errpid = true, }, { .name = "getppid", .errpid = true, }, - { .name = "getrandom", .errmsg = true, - .arg_scnprintf = { [2] = SCA_GETRANDOM_FLAGS, /* flags */ }, }, - { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, - { .name = "getxattr", .errmsg = true, }, - { .name = "inotify_add_watch", .errmsg = true, }, - { .name = "ioctl", .errmsg = true, - .arg_scnprintf = { + { .name = "getrandom", + .arg = { [2] = { .scnprintf = SCA_GETRANDOM_FLAGS, /* flags */ }, }, }, + { .name = "getrlimit", + .arg = { [0] = STRARRAY(resource, rlimit_resources), }, }, + { .name = "ioctl", + .arg = { #if defined(__i386__) || defined(__x86_64__) /* * FIXME: Make this available to all arches. */ - [1] = SCA_STRHEXARRAY, /* cmd */ - [2] = SCA_HEX, /* arg */ }, - .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, }, + [1] = { .scnprintf = SCA_STRHEXARRAY, /* cmd */ + .parm = &strarray__tioctls, }, + [2] = { .scnprintf = SCA_HEX, /* arg */ }, }, }, #else - [2] = SCA_HEX, /* arg */ }, }, + [2] = { .scnprintf = SCA_HEX, /* arg */ }, }, }, #endif - { .name = "keyctl", .errmsg = true, STRARRAY(0, option, keyctl_options), }, - { .name = "kill", .errmsg = true, - .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, - { .name = "lchown", .errmsg = true, }, - { .name = "lgetxattr", .errmsg = true, }, - { .name = "linkat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, - { .name = "listxattr", .errmsg = true, }, - { .name = "llistxattr", .errmsg = true, }, - { .name = "lremovexattr", .errmsg = true, }, - { .name = "lseek", .errmsg = true, - .arg_scnprintf = { [2] = SCA_STRARRAY, /* whence */ }, - .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, - { .name = "lsetxattr", .errmsg = true, }, - { .name = "lstat", .errmsg = true, .alias = "newlstat", }, - { .name = "lsxattr", .errmsg = true, }, - { .name = "madvise", .errmsg = true, - .arg_scnprintf = { [0] = SCA_HEX, /* start */ - [2] = SCA_MADV_BHV, /* behavior */ }, }, - { .name = "mkdir", .errmsg = true, }, - { .name = "mkdirat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, - { .name = "mknod", .errmsg = true, }, - { .name = "mknodat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, }, - { .name = "mlock", .errmsg = true, - .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, - { .name = "mlockall", .errmsg = true, - .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, + { .name = "keyctl", + .arg = { [0] = STRARRAY(option, keyctl_options), }, }, + { .name = "kill", + .arg = { [1] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "linkat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, }, + { .name = "lseek", + .arg = { [2] = STRARRAY(whence, whences), }, }, + { .name = "lstat", .alias = "newlstat", }, + { .name = "madvise", + .arg = { [0] = { .scnprintf = SCA_HEX, /* start */ }, + [2] = { .scnprintf = SCA_MADV_BHV, /* behavior */ }, }, }, + { .name = "mkdirat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, }, + { .name = "mknodat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, }, + { .name = "mlock", + .arg = { [0] = { .scnprintf = SCA_HEX, /* addr */ }, }, }, + { .name = "mlockall", + .arg = { [0] = { .scnprintf = SCA_HEX, /* addr */ }, }, }, { .name = "mmap", .hexret = true, /* The standard mmap maps to old_mmap on s390x */ #if defined(__s390x__) .alias = "old_mmap", #endif - .arg_scnprintf = { [0] = SCA_HEX, /* addr */ - [2] = SCA_MMAP_PROT, /* prot */ - [3] = SCA_MMAP_FLAGS, /* flags */ }, }, - { .name = "mprotect", .errmsg = true, - .arg_scnprintf = { [0] = SCA_HEX, /* start */ - [2] = SCA_MMAP_PROT, /* prot */ }, }, - { .name = "mq_unlink", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FILENAME, /* u_name */ }, }, + .arg = { [0] = { .scnprintf = SCA_HEX, /* addr */ }, + [2] = { .scnprintf = SCA_MMAP_PROT, /* prot */ }, + [3] = { .scnprintf = SCA_MMAP_FLAGS, /* flags */ }, }, }, + { .name = "mprotect", + .arg = { [0] = { .scnprintf = SCA_HEX, /* start */ }, + [2] = { .scnprintf = SCA_MMAP_PROT, /* prot */ }, }, }, + { .name = "mq_unlink", + .arg = { [0] = { .scnprintf = SCA_FILENAME, /* u_name */ }, }, }, { .name = "mremap", .hexret = true, - .arg_scnprintf = { [0] = SCA_HEX, /* addr */ - [3] = SCA_MREMAP_FLAGS, /* flags */ - [4] = SCA_HEX, /* new_addr */ }, }, - { .name = "munlock", .errmsg = true, - .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, - { .name = "munmap", .errmsg = true, - .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, - { .name = "name_to_handle_at", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, - { .name = "newfstatat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, - { .name = "open", .errmsg = true, - .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, - { .name = "open_by_handle_at", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ - [2] = SCA_OPEN_FLAGS, /* flags */ }, }, - { .name = "openat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ - [2] = SCA_OPEN_FLAGS, /* flags */ }, }, - { .name = "perf_event_open", .errmsg = true, - .arg_scnprintf = { [2] = SCA_INT, /* cpu */ - [3] = SCA_FD, /* group_fd */ - [4] = SCA_PERF_FLAGS, /* flags */ }, }, - { .name = "pipe2", .errmsg = true, - .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, - { .name = "poll", .errmsg = true, .timeout = true, }, - { .name = "ppoll", .errmsg = true, .timeout = true, }, - { .name = "pread", .errmsg = true, .alias = "pread64", }, - { .name = "preadv", .errmsg = true, .alias = "pread", }, - { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, - { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, - { .name = "pwritev", .errmsg = true, }, - { .name = "read", .errmsg = true, }, - { .name = "readlink", .errmsg = true, }, - { .name = "readlinkat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, - { .name = "readv", .errmsg = true, }, - { .name = "recvfrom", .errmsg = true, - .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, - { .name = "recvmmsg", .errmsg = true, - .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, - { .name = "recvmsg", .errmsg = true, - .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, - { .name = "removexattr", .errmsg = true, }, - { .name = "renameat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, - { .name = "rmdir", .errmsg = true, }, - { .name = "rt_sigaction", .errmsg = true, - .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, - { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, - { .name = "rt_sigqueueinfo", .errmsg = true, - .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, - { .name = "rt_tgsigqueueinfo", .errmsg = true, - .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, - { .name = "sched_getattr", .errmsg = true, }, - { .name = "sched_setattr", .errmsg = true, }, - { .name = "sched_setscheduler", .errmsg = true, - .arg_scnprintf = { [1] = SCA_SCHED_POLICY, /* policy */ }, }, - { .name = "seccomp", .errmsg = true, - .arg_scnprintf = { [0] = SCA_SECCOMP_OP, /* op */ - [1] = SCA_SECCOMP_FLAGS, /* flags */ }, }, - { .name = "select", .errmsg = true, .timeout = true, }, - { .name = "sendmmsg", .errmsg = true, - .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, - { .name = "sendmsg", .errmsg = true, - .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, - { .name = "sendto", .errmsg = true, - .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, + .arg = { [0] = { .scnprintf = SCA_HEX, /* addr */ }, + [3] = { .scnprintf = SCA_MREMAP_FLAGS, /* flags */ }, + [4] = { .scnprintf = SCA_HEX, /* new_addr */ }, }, }, + { .name = "munlock", + .arg = { [0] = { .scnprintf = SCA_HEX, /* addr */ }, }, }, + { .name = "munmap", + .arg = { [0] = { .scnprintf = SCA_HEX, /* addr */ }, }, }, + { .name = "name_to_handle_at", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, + { .name = "newfstatat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, + { .name = "open", + .arg = { [1] = { .scnprintf = SCA_OPEN_FLAGS, /* flags */ }, }, }, + { .name = "open_by_handle_at", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, + [2] = { .scnprintf = SCA_OPEN_FLAGS, /* flags */ }, }, }, + { .name = "openat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, + [2] = { .scnprintf = SCA_OPEN_FLAGS, /* flags */ }, }, }, + { .name = "perf_event_open", + .arg = { [2] = { .scnprintf = SCA_INT, /* cpu */ }, + [3] = { .scnprintf = SCA_FD, /* group_fd */ }, + [4] = { .scnprintf = SCA_PERF_FLAGS, /* flags */ }, }, }, + { .name = "pipe2", + .arg = { [1] = { .scnprintf = SCA_PIPE_FLAGS, /* flags */ }, }, }, + { .name = "poll", .timeout = true, }, + { .name = "ppoll", .timeout = true, }, + { .name = "pread", .alias = "pread64", }, + { .name = "preadv", .alias = "pread", }, + { .name = "prlimit64", + .arg = { [1] = STRARRAY(resource, rlimit_resources), }, }, + { .name = "pwrite", .alias = "pwrite64", }, + { .name = "readlinkat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, + { .name = "recvfrom", + .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, + { .name = "recvmmsg", + .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, + { .name = "recvmsg", + .arg = { [2] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, + { .name = "renameat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, + { .name = "rt_sigaction", + .arg = { [0] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "rt_sigprocmask", + .arg = { [0] = STRARRAY(how, sighow), }, }, + { .name = "rt_sigqueueinfo", + .arg = { [1] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "rt_tgsigqueueinfo", + .arg = { [2] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "sched_setscheduler", + .arg = { [1] = { .scnprintf = SCA_SCHED_POLICY, /* policy */ }, }, }, + { .name = "seccomp", + .arg = { [0] = { .scnprintf = SCA_SECCOMP_OP, /* op */ }, + [1] = { .scnprintf = SCA_SECCOMP_FLAGS, /* flags */ }, }, }, + { .name = "select", .timeout = true, }, + { .name = "sendmmsg", + .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, + { .name = "sendmsg", + .arg = { [2] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, + { .name = "sendto", + .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, { .name = "set_tid_address", .errpid = true, }, - { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, - { .name = "setpgid", .errmsg = true, }, - { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, - { .name = "setxattr", .errmsg = true, }, - { .name = "shutdown", .errmsg = true, }, - { .name = "socket", .errmsg = true, - .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ - [1] = SCA_SK_TYPE, /* type */ }, - .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, - { .name = "socketpair", .errmsg = true, - .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ - [1] = SCA_SK_TYPE, /* type */ }, - .arg_parm = { [0] = &strarray__socket_families, /* family */ }, }, - { .name = "stat", .errmsg = true, .alias = "newstat", }, - { .name = "statfs", .errmsg = true, }, - { .name = "statx", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* flags */ - [2] = SCA_STATX_FLAGS, /* flags */ - [3] = SCA_STATX_MASK, /* mask */ }, }, - { .name = "swapoff", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FILENAME, /* specialfile */ }, }, - { .name = "swapon", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FILENAME, /* specialfile */ }, }, - { .name = "symlinkat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, - { .name = "tgkill", .errmsg = true, - .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, - { .name = "tkill", .errmsg = true, - .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, - { .name = "truncate", .errmsg = true, }, - { .name = "uname", .errmsg = true, .alias = "newuname", }, - { .name = "unlinkat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, }, - { .name = "utime", .errmsg = true, }, - { .name = "utimensat", .errmsg = true, - .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, }, - { .name = "utimes", .errmsg = true, }, - { .name = "vmsplice", .errmsg = true, }, + { .name = "setitimer", + .arg = { [0] = STRARRAY(which, itimers), }, }, + { .name = "setrlimit", + .arg = { [0] = STRARRAY(resource, rlimit_resources), }, }, + { .name = "socket", + .arg = { [0] = STRARRAY(family, socket_families), + [1] = { .scnprintf = SCA_SK_TYPE, /* type */ }, }, }, + { .name = "socketpair", + .arg = { [0] = STRARRAY(family, socket_families), + [1] = { .scnprintf = SCA_SK_TYPE, /* type */ }, }, }, + { .name = "stat", .alias = "newstat", }, + { .name = "statx", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* fdat */ }, + [2] = { .scnprintf = SCA_STATX_FLAGS, /* flags */ } , + [3] = { .scnprintf = SCA_STATX_MASK, /* mask */ }, }, }, + { .name = "swapoff", + .arg = { [0] = { .scnprintf = SCA_FILENAME, /* specialfile */ }, }, }, + { .name = "swapon", + .arg = { [0] = { .scnprintf = SCA_FILENAME, /* specialfile */ }, }, }, + { .name = "symlinkat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, + { .name = "tgkill", + .arg = { [2] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "tkill", + .arg = { [1] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "uname", .alias = "newuname", }, + { .name = "unlinkat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, + { .name = "utimensat", + .arg = { [0] = { .scnprintf = SCA_FDAT, /* dirfd */ }, }, }, { .name = "wait4", .errpid = true, - .arg_scnprintf = { [2] = SCA_WAITID_OPTIONS, /* options */ }, }, + .arg = { [2] = { .scnprintf = SCA_WAITID_OPTIONS, /* options */ }, }, }, { .name = "waitid", .errpid = true, - .arg_scnprintf = { [3] = SCA_WAITID_OPTIONS, /* options */ }, }, - { .name = "write", .errmsg = true, }, - { .name = "writev", .errmsg = true, }, + .arg = { [3] = { .scnprintf = SCA_WAITID_OPTIONS, /* options */ }, }, }, }; static int syscall_fmt__cmp(const void *name, const void *fmtp) @@ -828,8 +821,7 @@ struct syscall { const char *name; bool is_exit; struct syscall_fmt *fmt; - size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); - void **arg_parm; + struct syscall_arg_fmt *arg_fmt; }; /* @@ -859,6 +851,8 @@ static size_t fprintf_duration(unsigned long t, bool calculated, FILE *fp) * filename.ptr: The filename char pointer that will be vfs_getname'd * filename.entry_str_pos: Where to insert the string translated from * filename.ptr by the vfs_getname tracepoint/kprobe. + * ret_scnprintf: syscall args may set this to a different syscall return + * formatter, for instance, fcntl may return fds, file flags, etc. */ struct thread_trace { u64 entry_time; @@ -867,6 +861,7 @@ struct thread_trace { unsigned long pfmaj, pfmin; char *entry_str; double runtime_ms; + size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg); struct { unsigned long ptr; short int entry_str_pos; @@ -917,6 +912,15 @@ fail: return NULL; } + +void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, + size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg)) +{ + struct thread_trace *ttrace = thread__priv(arg->thread); + + ttrace->ret_scnprintf = ret_scnprintf; +} + #define TRACE_PFMAJ (1 << 0) #define TRACE_PFMIN (1 << 1) @@ -996,8 +1000,7 @@ static const char *thread__fd_path(struct thread *thread, int fd, return ttrace->paths.table[fd]; } -static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, - struct syscall_arg *arg) +size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg) { int fd = arg->val; size_t printed = scnprintf(bf, size, "%d", fd); @@ -1167,27 +1170,29 @@ static int syscall__set_arg_fmts(struct syscall *sc) struct format_field *field; int idx = 0, len; - sc->arg_scnprintf = calloc(sc->nr_args, sizeof(void *)); - if (sc->arg_scnprintf == NULL) + sc->arg_fmt = calloc(sc->nr_args, sizeof(*sc->arg_fmt)); + if (sc->arg_fmt == NULL) return -1; - if (sc->fmt) - sc->arg_parm = sc->fmt->arg_parm; + for (field = sc->args; field; field = field->next, ++idx) { + if (sc->fmt) { + sc->arg_fmt[idx] = sc->fmt->arg[idx]; - for (field = sc->args; field; field = field->next) { - if (sc->fmt && sc->fmt->arg_scnprintf[idx]) - sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx]; - else if (strcmp(field->type, "const char *") == 0 && + if (sc->fmt->arg[idx].scnprintf) + continue; + } + + if (strcmp(field->type, "const char *") == 0 && (strcmp(field->name, "filename") == 0 || strcmp(field->name, "path") == 0 || strcmp(field->name, "pathname") == 0)) - sc->arg_scnprintf[idx] = SCA_FILENAME; + sc->arg_fmt[idx].scnprintf = SCA_FILENAME; else if (field->flags & FIELD_IS_POINTER) - sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex; + sc->arg_fmt[idx].scnprintf = syscall_arg__scnprintf_hex; else if (strcmp(field->type, "pid_t") == 0) - sc->arg_scnprintf[idx] = SCA_PID; + sc->arg_fmt[idx].scnprintf = SCA_PID; else if (strcmp(field->type, "umode_t") == 0) - sc->arg_scnprintf[idx] = SCA_MODE_T; + sc->arg_fmt[idx].scnprintf = SCA_MODE_T; else if ((strcmp(field->type, "int") == 0 || strcmp(field->type, "unsigned int") == 0 || strcmp(field->type, "long") == 0) && @@ -1200,9 +1205,8 @@ static int syscall__set_arg_fmts(struct syscall *sc) * 23 unsigned int * 7 unsigned long */ - sc->arg_scnprintf[idx] = SCA_FD; + sc->arg_fmt[idx].scnprintf = SCA_FD; } - ++idx; } return 0; @@ -1321,19 +1325,40 @@ out: * variable to read it. Most notably this avoids extended load instructions * on unaligned addresses */ +static unsigned long __syscall_arg__val(unsigned char *args, u8 idx) +{ + unsigned long val; + unsigned char *p = args + sizeof(unsigned long) * idx; + + memcpy(&val, p, sizeof(val)); + return val; +} + +unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx) +{ + return __syscall_arg__val(arg->args, idx); +} static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, unsigned char *args, struct trace *trace, struct thread *thread) { size_t printed = 0; - unsigned char *p; unsigned long val; + struct thread_trace *ttrace = thread__priv(thread); + + /* + * Things like fcntl will set this in its 'cmd' formatter to pick the + * right formatter for the return value (an fd? file flags?), which is + * not needed for syscalls that always return a given type, say an fd. + */ + ttrace->ret_scnprintf = NULL; if (sc->args != NULL) { struct format_field *field; u8 bit = 1; struct syscall_arg arg = { + .args = args, .idx = 0, .mask = 0, .trace = trace, @@ -1345,9 +1370,7 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, if (arg.mask & bit) continue; - /* special care for unaligned accesses */ - p = args + sizeof(unsigned long) * arg.idx; - memcpy(&val, p, sizeof(val)); + val = syscall_arg__val(&arg, arg.idx); /* * Suppress this argument if its value is zero and @@ -1355,19 +1378,20 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, * strarray for it. */ if (val == 0 && - !(sc->arg_scnprintf && - sc->arg_scnprintf[arg.idx] == SCA_STRARRAY && - sc->arg_parm[arg.idx])) + !(sc->arg_fmt && + (sc->arg_fmt[arg.idx].show_zero || + sc->arg_fmt[arg.idx].scnprintf == SCA_STRARRAY || + sc->arg_fmt[arg.idx].scnprintf == SCA_STRARRAYS) && + sc->arg_fmt[arg.idx].parm)) continue; printed += scnprintf(bf + printed, size - printed, "%s%s: ", printed ? ", " : "", field->name); - if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { + if (sc->arg_fmt && sc->arg_fmt[arg.idx].scnprintf) { arg.val = val; - if (sc->arg_parm) - arg.parm = sc->arg_parm[arg.idx]; - printed += sc->arg_scnprintf[arg.idx](bf + printed, - size - printed, &arg); + if (sc->arg_fmt[arg.idx].parm) + arg.parm = sc->arg_fmt[arg.idx].parm; + printed += sc->arg_fmt[arg.idx].scnprintf(bf + printed, size - printed, &arg); } else { printed += scnprintf(bf + printed, size - printed, "%ld", val); @@ -1382,9 +1406,7 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, int i = 0; while (i < 6) { - /* special care for unaligned accesses */ - p = args + sizeof(unsigned long) * i; - memcpy(&val, p, sizeof(val)); + val = __syscall_arg__val(args, i); printed += scnprintf(bf + printed, size - printed, "%sarg%d: %ld", printed ? ", " : "", i, val); @@ -1635,17 +1657,31 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, } if (sc->fmt == NULL) { + if (ret < 0) + goto errno_print; signed_print: - fprintf(trace->output, ") = %ld", ret); - } else if (ret < 0 && (sc->fmt->errmsg || sc->fmt->errpid)) { + fprintf(trace->output, ") %ld", ret); + } else if (ret < 0) { +errno_print: { char bf[STRERR_BUFSIZE]; const char *emsg = str_error_r(-ret, bf, sizeof(bf)), *e = audit_errno_to_name(-ret); fprintf(trace->output, ") = -1 %s %s", e, emsg); + } } else if (ret == 0 && sc->fmt->timeout) fprintf(trace->output, ") = 0 Timeout"); - else if (sc->fmt->hexret) + else if (ttrace->ret_scnprintf) { + char bf[1024]; + struct syscall_arg arg = { + .val = ret, + .thread = thread, + .trace = trace, + }; + ttrace->ret_scnprintf(bf, sizeof(bf), &arg); + ttrace->ret_scnprintf = NULL; + fprintf(trace->output, ") = %s", bf); + } else if (sc->fmt->hexret) fprintf(trace->output, ") = %#lx", ret); else if (sc->fmt->errpid) { struct thread *child = machine__find_thread(trace->host, ret, ret); |