#include "util/strlist.h"
#include "util/intlist.h"
#include "util/thread_map.h"
+#include "util/stat.h"
#include <libaudit.h>
#include <stdlib.h>
+#include <sys/eventfd.h>
#include <sys/mman.h>
#include <linux/futex.h>
# define MADV_UNMERGEABLE 13
#endif
-static size_t syscall_arg__scnprintf_hex(char *bf, size_t size,
- unsigned long arg,
- u8 arg_idx __maybe_unused,
- u8 *arg_mask __maybe_unused)
+struct syscall_arg {
+ unsigned long val;
+ struct thread *thread;
+ struct trace *trace;
+ void *parm;
+ u8 idx;
+ u8 mask;
+};
+
+struct strarray {
+ int offset;
+ int nr_entries;
+ const char **entries;
+};
+
+#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
+ .nr_entries = ARRAY_SIZE(array), \
+ .entries = array, \
+}
+
+#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
+ .offset = off, \
+ .nr_entries = ARRAY_SIZE(array), \
+ .entries = array, \
+}
+
+static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size,
+ const char *intfmt,
+ struct syscall_arg *arg)
{
- return scnprintf(bf, size, "%#lx", 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]);
}
-#define SCA_HEX syscall_arg__scnprintf_hex
+static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg);
+}
-static size_t syscall_arg__scnprintf_whence(char *bf, size_t size,
- unsigned long arg,
- u8 arg_idx __maybe_unused,
- u8 *arg_mask __maybe_unused)
+#define SCA_STRARRAY syscall_arg__scnprintf_strarray
+
+static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size,
+ struct syscall_arg *arg)
{
- int whence = arg;
+ return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg);
+}
- switch (whence) {
-#define P_WHENCE(n) case SEEK_##n: return scnprintf(bf, size, #n)
- P_WHENCE(SET);
- P_WHENCE(CUR);
- P_WHENCE(END);
-#ifdef SEEK_DATA
- P_WHENCE(DATA);
-#endif
-#ifdef SEEK_HOLE
- P_WHENCE(HOLE);
-#endif
-#undef P_WHENCE
- default: break;
- }
+#define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray
+
+static size_t syscall_arg__scnprintf_fd(char *bf, size_t size,
+ struct syscall_arg *arg);
+
+#define SCA_FD syscall_arg__scnprintf_fd
+
+static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int fd = arg->val;
+
+ if (fd == AT_FDCWD)
+ return scnprintf(bf, size, "CWD");
+
+ return syscall_arg__scnprintf_fd(bf, size, arg);
+}
- return scnprintf(bf, size, "%#x", whence);
+#define SCA_FDAT syscall_arg__scnprintf_fd_at
+
+static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
+ struct syscall_arg *arg);
+
+#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)
+{
+ return scnprintf(bf, size, "%#lx", arg->val);
}
-#define SCA_WHENCE syscall_arg__scnprintf_whence
+#define SCA_HEX syscall_arg__scnprintf_hex
static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
- unsigned long arg,
- u8 arg_idx __maybe_unused,
- u8 *arg_mask __maybe_unused)
+ struct syscall_arg *arg)
{
- int printed = 0, prot = arg;
+ int printed = 0, prot = arg->val;
if (prot == PROT_NONE)
return scnprintf(bf, size, "NONE");
#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
- unsigned long arg, u8 arg_idx __maybe_unused,
- u8 *arg_mask __maybe_unused)
+ struct syscall_arg *arg)
{
- int printed = 0, flags = arg;
+ int printed = 0, flags = arg->val;
#define P_MMAP_FLAG(n) \
if (flags & MAP_##n) { \
#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
- unsigned long arg, u8 arg_idx __maybe_unused,
- u8 *arg_mask __maybe_unused)
+ struct syscall_arg *arg)
{
- int behavior = arg;
+ int behavior = arg->val;
switch (behavior) {
#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
-static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, unsigned long arg,
- u8 arg_idx __maybe_unused, u8 *arg_mask)
+static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int printed = 0, op = arg->val;
+
+ if (op == 0)
+ return scnprintf(bf, size, "NONE");
+#define P_CMD(cmd) \
+ if ((op & LOCK_##cmd) == LOCK_##cmd) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
+ op &= ~LOCK_##cmd; \
+ }
+
+ P_CMD(SH);
+ P_CMD(EX);
+ P_CMD(NB);
+ P_CMD(UN);
+ P_CMD(MAND);
+ P_CMD(RW);
+ P_CMD(READ);
+ P_CMD(WRITE);
+#undef P_OP
+
+ if (op)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
+
+ return printed;
+}
+
+#define SCA_FLOCK syscall_arg__scnprintf_flock
+
+static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg)
{
enum syscall_futex_args {
SCF_UADDR = (1 << 0),
SCF_UADDR2 = (1 << 4),
SCF_VAL3 = (1 << 5),
};
- int op = arg;
+ int op = arg->val;
int cmd = op & FUTEX_CMD_MASK;
size_t printed = 0;
switch (cmd) {
#define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n);
- P_FUTEX_OP(WAIT); *arg_mask |= SCF_VAL3|SCF_UADDR2; break;
- P_FUTEX_OP(WAKE); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
- P_FUTEX_OP(FD); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
- P_FUTEX_OP(REQUEUE); *arg_mask |= SCF_VAL3|SCF_TIMEOUT; break;
- P_FUTEX_OP(CMP_REQUEUE); *arg_mask |= SCF_TIMEOUT; break;
- P_FUTEX_OP(CMP_REQUEUE_PI); *arg_mask |= SCF_TIMEOUT; break;
+ P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
+ P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
+ P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
+ P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break;
+ P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break;
+ P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break;
P_FUTEX_OP(WAKE_OP); break;
- P_FUTEX_OP(LOCK_PI); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
- P_FUTEX_OP(UNLOCK_PI); *arg_mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
- P_FUTEX_OP(TRYLOCK_PI); *arg_mask |= SCF_VAL3|SCF_UADDR2; break;
- P_FUTEX_OP(WAIT_BITSET); *arg_mask |= SCF_UADDR2; break;
- P_FUTEX_OP(WAKE_BITSET); *arg_mask |= SCF_UADDR2; break;
+ P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
+ P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
+ P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
+ P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break;
+ P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break;
P_FUTEX_OP(WAIT_REQUEUE_PI); break;
default: printed = scnprintf(bf, size, "%#x", cmd); break;
}
#define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
+static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", };
+static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1);
+
+static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", };
+static DEFINE_STRARRAY(itimers);
+
+static const char *whences[] = { "SET", "CUR", "END",
+#ifdef SEEK_DATA
+"DATA",
+#endif
+#ifdef SEEK_HOLE
+"HOLE",
+#endif
+};
+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",
+};
+static DEFINE_STRARRAY(fcntl_cmds);
+
+static const char *rlimit_resources[] = {
+ "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE",
+ "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO",
+ "RTTIME",
+};
+static DEFINE_STRARRAY(rlimit_resources);
+
+static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", };
+static DEFINE_STRARRAY(sighow);
+
+static const char *clockid[] = {
+ "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID",
+ "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE",
+};
+static DEFINE_STRARRAY(clockid);
+
+static const char *socket_families[] = {
+ "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM",
+ "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI",
+ "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC",
+ "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC",
+ "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF",
+ "ALG", "NFC", "VSOCK",
+};
+static DEFINE_STRARRAY(socket_families);
+
+#ifndef SOCK_TYPE_MASK
+#define SOCK_TYPE_MASK 0xf
+#endif
+
+static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ size_t printed;
+ int type = arg->val,
+ flags = type & ~SOCK_TYPE_MASK;
+
+ type &= SOCK_TYPE_MASK;
+ /*
+ * Can't use a strarray, MIPS may override for ABI reasons.
+ */
+ switch (type) {
+#define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break;
+ P_SK_TYPE(STREAM);
+ P_SK_TYPE(DGRAM);
+ P_SK_TYPE(RAW);
+ P_SK_TYPE(RDM);
+ P_SK_TYPE(SEQPACKET);
+ P_SK_TYPE(DCCP);
+ P_SK_TYPE(PACKET);
+#undef P_SK_TYPE
+ default:
+ printed = scnprintf(bf, size, "%#x", type);
+ }
+
+#define P_SK_FLAG(n) \
+ if (flags & SOCK_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
+ flags &= ~SOCK_##n; \
+ }
+
+ P_SK_FLAG(CLOEXEC);
+ P_SK_FLAG(NONBLOCK);
+#undef P_SK_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
+
+ return printed;
+}
+
+#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
+
+#ifndef MSG_PROBE
+#define MSG_PROBE 0x10
+#endif
+#ifndef MSG_WAITFORONE
+#define MSG_WAITFORONE 0x10000
+#endif
+#ifndef MSG_SENDPAGE_NOTLAST
+#define MSG_SENDPAGE_NOTLAST 0x20000
+#endif
+#ifndef MSG_FASTOPEN
+#define MSG_FASTOPEN 0x20000000
+#endif
+
+static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int printed = 0, flags = arg->val;
+
+ if (flags == 0)
+ return scnprintf(bf, size, "NONE");
+#define P_MSG_FLAG(n) \
+ if (flags & MSG_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+ flags &= ~MSG_##n; \
+ }
+
+ P_MSG_FLAG(OOB);
+ P_MSG_FLAG(PEEK);
+ P_MSG_FLAG(DONTROUTE);
+ P_MSG_FLAG(TRYHARD);
+ P_MSG_FLAG(CTRUNC);
+ P_MSG_FLAG(PROBE);
+ P_MSG_FLAG(TRUNC);
+ P_MSG_FLAG(DONTWAIT);
+ P_MSG_FLAG(EOR);
+ P_MSG_FLAG(WAITALL);
+ P_MSG_FLAG(FIN);
+ P_MSG_FLAG(SYN);
+ P_MSG_FLAG(CONFIRM);
+ P_MSG_FLAG(RST);
+ P_MSG_FLAG(ERRQUEUE);
+ P_MSG_FLAG(NOSIGNAL);
+ P_MSG_FLAG(MORE);
+ P_MSG_FLAG(WAITFORONE);
+ P_MSG_FLAG(SENDPAGE_NOTLAST);
+ P_MSG_FLAG(FASTOPEN);
+ P_MSG_FLAG(CMSG_CLOEXEC);
+#undef P_MSG_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+ return printed;
+}
+
+#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
+
+static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ size_t printed = 0;
+ int mode = arg->val;
+
+ if (mode == F_OK) /* 0 */
+ return scnprintf(bf, size, "F");
+#define P_MODE(n) \
+ if (mode & n##_OK) { \
+ printed += scnprintf(bf + printed, size - printed, "%s", #n); \
+ mode &= ~n##_OK; \
+ }
+
+ P_MODE(R);
+ P_MODE(W);
+ P_MODE(X);
+#undef P_MODE
+
+ if (mode)
+ printed += scnprintf(bf + printed, size - printed, "|%#x", mode);
+
+ return printed;
+}
+
+#define SCA_ACCMODE syscall_arg__scnprintf_access_mode
+
static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
- unsigned long arg,
- u8 arg_idx, u8 *arg_mask)
+ struct syscall_arg *arg)
{
- int printed = 0, flags = arg;
+ int printed = 0, flags = arg->val;
if (!(flags & O_CREAT))
- *arg_mask |= 1 << (arg_idx + 1); /* Mask the mode parm */
+ arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
if (flags == 0)
return scnprintf(bf, size, "RDONLY");
#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
+static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int printed = 0, flags = arg->val;
+
+ if (flags == 0)
+ return scnprintf(bf, size, "NONE");
+#define P_FLAG(n) \
+ if (flags & EFD_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+ flags &= ~EFD_##n; \
+ }
+
+ P_FLAG(SEMAPHORE);
+ P_FLAG(CLOEXEC);
+ P_FLAG(NONBLOCK);
+#undef P_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+ return printed;
+}
+
+#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
+
+static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int printed = 0, flags = arg->val;
+
+#define P_FLAG(n) \
+ if (flags & O_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+ flags &= ~O_##n; \
+ }
+
+ P_FLAG(CLOEXEC);
+ P_FLAG(NONBLOCK);
+#undef P_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+ return printed;
+}
+
+#define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags
+
+static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)
+{
+ int sig = arg->val;
+
+ switch (sig) {
+#define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n)
+ P_SIGNUM(HUP);
+ P_SIGNUM(INT);
+ P_SIGNUM(QUIT);
+ P_SIGNUM(ILL);
+ P_SIGNUM(TRAP);
+ P_SIGNUM(ABRT);
+ P_SIGNUM(BUS);
+ P_SIGNUM(FPE);
+ P_SIGNUM(KILL);
+ P_SIGNUM(USR1);
+ P_SIGNUM(SEGV);
+ P_SIGNUM(USR2);
+ P_SIGNUM(PIPE);
+ P_SIGNUM(ALRM);
+ P_SIGNUM(TERM);
+ P_SIGNUM(STKFLT);
+ P_SIGNUM(CHLD);
+ P_SIGNUM(CONT);
+ P_SIGNUM(STOP);
+ P_SIGNUM(TSTP);
+ P_SIGNUM(TTIN);
+ P_SIGNUM(TTOU);
+ P_SIGNUM(URG);
+ P_SIGNUM(XCPU);
+ P_SIGNUM(XFSZ);
+ P_SIGNUM(VTALRM);
+ P_SIGNUM(PROF);
+ P_SIGNUM(WINCH);
+ P_SIGNUM(IO);
+ P_SIGNUM(PWR);
+ P_SIGNUM(SYS);
+ default: break;
+ }
+
+ return scnprintf(bf, size, "%#x", sig);
+}
+
+#define SCA_SIGNUM syscall_arg__scnprintf_signum
+
+#define TCGETS 0x5401
+
+static const char *tioctls[] = {
+ "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW",
+ "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL",
+ "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI",
+ "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC",
+ "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX",
+ "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO",
+ "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK",
+ "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2",
+ "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK",
+ "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG",
+ "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL",
+ [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG",
+ "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS",
+ "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI",
+ "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE",
+};
+
+static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401);
+
+#define STRARRAY(arg, name, array) \
+ .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \
+ .arg_parm = { [arg] = &strarray__##array, }
+
static struct syscall_fmt {
const char *name;
const char *alias;
- size_t (*arg_scnprintf[6])(char *bf, size_t size, unsigned long arg, u8 arg_idx, u8 *arg_mask);
+ size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg);
+ void *arg_parm[6];
bool errmsg;
bool timeout;
bool hexret;
} syscall_fmts[] = {
- { .name = "access", .errmsg = true, },
+ { .name = "access", .errmsg = true,
+ .arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, },
{ .name = "arch_prctl", .errmsg = true, .alias = "prctl", },
{ .name = "brk", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, },
- { .name = "mmap", .hexret = true, },
+ { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), },
+ { .name = "close", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, },
{ .name = "connect", .errmsg = true, },
- { .name = "fstat", .errmsg = true, .alias = "newfstat", },
- { .name = "fstatat", .errmsg = true, .alias = "newfstatat", },
+ { .name = "dup", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "dup2", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "dup3", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .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,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
+ { .name = "fadvise64", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fallocate", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fchdir", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fchmod", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fchmodat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
+ { .name = "fchown", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fchownat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
+ { .name = "fcntl", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [1] = SCA_STRARRAY, /* cmd */ },
+ .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, },
+ { .name = "fdatasync", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "flock", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [1] = SCA_FLOCK, /* cmd */ }, },
+ { .name = "fsetxattr", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fstat", .errmsg = true, .alias = "newfstat",
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fstatat", .errmsg = true, .alias = "newfstatat",
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
+ { .name = "fstatfs", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "fsync", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "ftruncate", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .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,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "getdents64", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), },
+ { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
{ .name = "ioctl", .errmsg = true,
- .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [1] = SCA_STRHEXARRAY, /* cmd */
+ [2] = SCA_HEX, /* arg */ },
+ .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, },
+ { .name = "kill", .errmsg = true,
+ .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
+ { .name = "linkat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
{ .name = "lseek", .errmsg = true,
- .arg_scnprintf = { [2] = SCA_WHENCE, /* whence */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [2] = SCA_STRARRAY, /* whence */ },
+ .arg_parm = { [2] = &strarray__whences, /* whence */ }, },
{ .name = "lstat", .errmsg = true, .alias = "newlstat", },
{ .name = "madvise", .errmsg = true,
.arg_scnprintf = { [0] = SCA_HEX, /* start */
[2] = SCA_MADV_BHV, /* behavior */ }, },
+ { .name = "mkdirat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
+ { .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 = "mmap", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* addr */
[2] = SCA_MMAP_PROT, /* prot */
{ .name = "mremap", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* addr */
[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 = { [2] = SCA_OPEN_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
+ [2] = SCA_OPEN_FLAGS, /* flags */ }, },
{ .name = "openat", .errmsg = true,
- .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
+ [2] = SCA_OPEN_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 = "pwrite", .errmsg = true, .alias = "pwrite64", },
- { .name = "read", .errmsg = true, },
- { .name = "recvfrom", .errmsg = true, },
+ { .name = "pread", .errmsg = true, .alias = "pread64",
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "preadv", .errmsg = true, .alias = "pread",
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), },
+ { .name = "pwrite", .errmsg = true, .alias = "pwrite64",
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "pwritev", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "read", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "readlinkat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
+ { .name = "readv", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .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 = "renameat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
+ { .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 = "select", .errmsg = true, .timeout = true, },
- { .name = "socket", .errmsg = 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 */ }, },
+ { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), },
+ { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
+ { .name = "shutdown", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .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 = "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 = "uname", .errmsg = true, .alias = "newuname", },
+ { .name = "unlinkat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
+ { .name = "utimensat", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */ }, },
+ { .name = "write", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
+ { .name = "writev", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
};
static int syscall_fmt__cmp(const void *name, const void *fmtp)
const char *name;
bool filtered;
struct syscall_fmt *fmt;
- size_t (**arg_scnprintf)(char *bf, size_t size,
- unsigned long arg, u8 arg_idx, u8 *args_mask);
+ size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg);
+ void **arg_parm;
};
static size_t fprintf_duration(unsigned long t, FILE *fp)
unsigned long nr_events;
char *entry_str;
double runtime_ms;
+ struct {
+ int max;
+ char **table;
+ } paths;
+
+ struct intlist *syscall_stats;
};
static struct thread_trace *thread_trace__new(void)
{
- return zalloc(sizeof(struct thread_trace));
+ struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace));
+
+ if (ttrace)
+ ttrace->paths.max = -1;
+
+ ttrace->syscall_stats = intlist__new(NULL);
+
+ return ttrace;
}
static struct thread_trace *thread__trace(struct thread *thread, FILE *fp)
struct trace {
struct perf_tool tool;
- int audit_machine;
+ struct {
+ int machine;
+ int open_id;
+ } audit;
struct {
int max;
struct syscall *table;
} syscalls;
struct perf_record_opts opts;
- struct machine host;
+ struct machine *host;
u64 base_time;
+ bool full_time;
FILE *output;
unsigned long nr_events;
struct strlist *ev_qualifier;
bool not_ev_qualifier;
+ bool live;
+ const char *last_vfs_getname;
struct intlist *tid_list;
struct intlist *pid_list;
bool sched;
bool multiple_threads;
+ bool summary;
+ bool show_comm;
+ bool show_tool_stats;
double duration_filter;
double runtime_ms;
+ struct {
+ u64 vfs_getname, proc_getname;
+ } stats;
};
+static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname)
+{
+ struct thread_trace *ttrace = thread->priv;
+
+ if (fd > ttrace->paths.max) {
+ char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *));
+
+ if (npath == NULL)
+ return -1;
+
+ if (ttrace->paths.max != -1) {
+ memset(npath + ttrace->paths.max + 1, 0,
+ (fd - ttrace->paths.max) * sizeof(char *));
+ } else {
+ memset(npath, 0, (fd + 1) * sizeof(char *));
+ }
+
+ ttrace->paths.table = npath;
+ ttrace->paths.max = fd;
+ }
+
+ ttrace->paths.table[fd] = strdup(pathname);
+
+ return ttrace->paths.table[fd] != NULL ? 0 : -1;
+}
+
+static int thread__read_fd_path(struct thread *thread, int fd)
+{
+ char linkname[PATH_MAX], pathname[PATH_MAX];
+ struct stat st;
+ int ret;
+
+ if (thread->pid_ == thread->tid) {
+ scnprintf(linkname, sizeof(linkname),
+ "/proc/%d/fd/%d", thread->pid_, fd);
+ } else {
+ scnprintf(linkname, sizeof(linkname),
+ "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd);
+ }
+
+ if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname))
+ return -1;
+
+ ret = readlink(linkname, pathname, sizeof(pathname));
+
+ if (ret < 0 || ret > st.st_size)
+ return -1;
+
+ pathname[ret] = '\0';
+ return trace__set_fd_pathname(thread, fd, pathname);
+}
+
+static const char *thread__fd_path(struct thread *thread, int fd,
+ struct trace *trace)
+{
+ struct thread_trace *ttrace = thread->priv;
+
+ if (ttrace == NULL)
+ return NULL;
+
+ if (fd < 0)
+ return NULL;
+
+ if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL))
+ if (!trace->live)
+ return NULL;
+ ++trace->stats.proc_getname;
+ if (thread__read_fd_path(thread, fd)) {
+ return NULL;
+ }
+
+ return ttrace->paths.table[fd];
+}
+
+static 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);
+ const char *path = thread__fd_path(arg->thread, fd, arg->trace);
+
+ if (path)
+ printed += scnprintf(bf + printed, size - printed, "<%s>", path);
+
+ return printed;
+}
+
+static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int fd = arg->val;
+ size_t printed = syscall_arg__scnprintf_fd(bf, size, arg);
+ struct thread_trace *ttrace = arg->thread->priv;
+
+ if (ttrace && fd >= 0 && fd <= ttrace->paths.max) {
+ free(ttrace->paths.table[fd]);
+ ttrace->paths.table[fd] = NULL;
+ }
+
+ return printed;
+}
+
static bool trace__filter_duration(struct trace *trace, double t)
{
return t < (trace->duration_filter * NSEC_PER_MSEC);
}
static bool done = false;
+static bool interrupted = false;
-static void sig_handler(int sig __maybe_unused)
+static void sig_handler(int sig)
{
done = true;
+ interrupted = sig == SIGINT;
}
static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread,
size_t printed = trace__fprintf_tstamp(trace, tstamp, fp);
printed += fprintf_duration(duration, fp);
- if (trace->multiple_threads)
+ if (trace->multiple_threads) {
+ if (trace->show_comm)
+ printed += fprintf(fp, "%.14s/", thread->comm);
printed += fprintf(fp, "%d ", thread->tid);
+ }
return printed;
}
if (err)
return err;
- machine__init(&trace->host, "", HOST_KERNEL_ID);
- machine__create_kernel_maps(&trace->host);
+ trace->host = machine__new_host();
+ if (trace->host == NULL)
+ return -ENOMEM;
if (perf_target__has_task(&trace->opts.target)) {
err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads,
trace__tool_process,
- &trace->host);
+ trace->host);
} else {
err = perf_event__synthesize_threads(&trace->tool, trace__tool_process,
- &trace->host);
+ trace->host);
}
if (err)
if (sc->arg_scnprintf == NULL)
return -1;
+ if (sc->fmt)
+ sc->arg_parm = sc->fmt->arg_parm;
+
for (field = sc->tp_format->format.fields->next; field; field = field->next) {
if (sc->fmt && sc->fmt->arg_scnprintf[idx])
sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx];
{
char tp_name[128];
struct syscall *sc;
- const char *name = audit_syscall_to_name(id, trace->audit_machine);
+ const char *name = audit_syscall_to_name(id, trace->audit.machine);
if (name == NULL)
return -1;
}
static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
- unsigned long *args)
+ unsigned long *args, struct trace *trace,
+ struct thread *thread)
{
- int i = 0;
size_t printed = 0;
if (sc->tp_format != NULL) {
struct format_field *field;
- u8 mask = 0, bit = 1;
+ u8 bit = 1;
+ struct syscall_arg arg = {
+ .idx = 0,
+ .mask = 0,
+ .trace = trace,
+ .thread = thread,
+ };
for (field = sc->tp_format->format.fields->next; field;
- field = field->next, ++i, bit <<= 1) {
- if (mask & bit)
+ field = field->next, ++arg.idx, bit <<= 1) {
+ if (arg.mask & bit)
+ continue;
+ /*
+ * Suppress this argument if its value is zero and
+ * and we don't have a string associated in an
+ * strarray for it.
+ */
+ if (args[arg.idx] == 0 &&
+ !(sc->arg_scnprintf &&
+ sc->arg_scnprintf[arg.idx] == SCA_STRARRAY &&
+ sc->arg_parm[arg.idx]))
continue;
printed += scnprintf(bf + printed, size - printed,
"%s%s: ", printed ? ", " : "", field->name);
-
- if (sc->arg_scnprintf && sc->arg_scnprintf[i]) {
- printed += sc->arg_scnprintf[i](bf + printed, size - printed,
- args[i], i, &mask);
+ if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) {
+ arg.val = args[arg.idx];
+ if (sc->arg_parm)
+ arg.parm = sc->arg_parm[arg.idx];
+ printed += sc->arg_scnprintf[arg.idx](bf + printed,
+ size - printed, &arg);
} else {
printed += scnprintf(bf + printed, size - printed,
- "%ld", args[i]);
+ "%ld", args[arg.idx]);
}
}
} else {
+ int i = 0;
+
while (i < 6) {
printed += scnprintf(bf + printed, size - printed,
"%sarg%d: %ld",
struct perf_sample *sample);
static struct syscall *trace__syscall_info(struct trace *trace,
- struct perf_evsel *evsel,
- struct perf_sample *sample)
+ struct perf_evsel *evsel, int id)
{
- int id = perf_evsel__intval(evsel, sample, "id");
if (id < 0) {
return NULL;
}
+static void thread__update_stats(struct thread_trace *ttrace,
+ int id, struct perf_sample *sample)
+{
+ struct int_node *inode;
+ struct stats *stats;
+ u64 duration = 0;
+
+ inode = intlist__findnew(ttrace->syscall_stats, id);
+ if (inode == NULL)
+ return;
+
+ stats = inode->priv;
+ if (stats == NULL) {
+ stats = malloc(sizeof(struct stats));
+ if (stats == NULL)
+ return;
+ init_stats(stats);
+ inode->priv = stats;
+ }
+
+ if (ttrace->entry_time && sample->time > ttrace->entry_time)
+ duration = sample->time - ttrace->entry_time;
+
+ update_stats(stats, duration);
+}
+
static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
struct perf_sample *sample)
{
void *args;
size_t printed = 0;
struct thread *thread;
- struct syscall *sc = trace__syscall_info(trace, evsel, sample);
+ int id = perf_evsel__intval(evsel, sample, "id");
+ struct syscall *sc = trace__syscall_info(trace, evsel, id);
struct thread_trace *ttrace;
if (sc == NULL)
if (sc->filtered)
return 0;
- thread = machine__findnew_thread(&trace->host, sample->pid,
- sample->tid);
+ thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
ttrace = thread__trace(thread, trace->output);
if (ttrace == NULL)
return -1;
msg = ttrace->entry_str;
printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name);
- printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args);
+ printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed,
+ args, trace, thread);
if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) {
if (!trace->duration_filter) {
int ret;
u64 duration = 0;
struct thread *thread;
- struct syscall *sc = trace__syscall_info(trace, evsel, sample);
+ int id = perf_evsel__intval(evsel, sample, "id");
+ struct syscall *sc = trace__syscall_info(trace, evsel, id);
struct thread_trace *ttrace;
if (sc == NULL)
if (sc->filtered)
return 0;
- thread = machine__findnew_thread(&trace->host, sample->pid,
- sample->tid);
+ thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
ttrace = thread__trace(thread, trace->output);
if (ttrace == NULL)
return -1;
+ if (trace->summary)
+ thread__update_stats(ttrace, id, sample);
+
ret = perf_evsel__intval(evsel, sample, "ret");
+ if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) {
+ trace__set_fd_pathname(thread, ret, trace->last_vfs_getname);
+ trace->last_vfs_getname = NULL;
+ ++trace->stats.vfs_getname;
+ }
+
ttrace = thread->priv;
ttrace->exit_time = sample->time;
return 0;
}
+static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel,
+ struct perf_sample *sample)
+{
+ trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname");
+ return 0;
+}
+
static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel,
struct perf_sample *sample)
{
u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
double runtime_ms = (double)runtime / NSEC_PER_MSEC;
- struct thread *thread = machine__findnew_thread(&trace->host,
+ struct thread *thread = machine__findnew_thread(trace->host,
sample->pid,
sample->tid);
struct thread_trace *ttrace = thread__trace(thread, trace->output);
if (skip_sample(trace, sample))
return 0;
- if (trace->base_time == 0)
+ if (!trace->full_time && trace->base_time == 0)
trace->base_time = sample->time;
if (handler)
return 0;
}
+static int trace__record(int argc, const char **argv)
+{
+ unsigned int rec_argc, i, j;
+ const char **rec_argv;
+ const char * const record_args[] = {
+ "record",
+ "-R",
+ "-m", "1024",
+ "-c", "1",
+ "-e", "raw_syscalls:sys_enter,raw_syscalls:sys_exit",
+ };
+
+ rec_argc = ARRAY_SIZE(record_args) + argc;
+ rec_argv = calloc(rec_argc + 1, sizeof(char *));
+
+ if (rec_argv == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(record_args); i++)
+ rec_argv[i] = record_args[i];
+
+ for (j = 0; j < (unsigned int)argc; j++, i++)
+ rec_argv[i] = argv[j];
+
+ return cmd_record(i, rec_argv, NULL);
+}
+
+static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp);
+
+static void perf_evlist__add_vfs_getname(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname",
+ evlist->nr_entries);
+ if (evsel == NULL)
+ return;
+
+ if (perf_evsel__field(evsel, "pathname") == NULL) {
+ perf_evsel__delete(evsel);
+ return;
+ }
+
+ evsel->handler.func = trace__vfs_getname;
+ perf_evlist__add(evlist, evsel);
+}
+
static int trace__run(struct trace *trace, int argc, const char **argv)
{
struct perf_evlist *evlist = perf_evlist__new();
unsigned long before;
const bool forks = argc > 0;
+ trace->live = true;
+
if (evlist == NULL) {
fprintf(trace->output, "Not enough memory to run!\n");
goto out;
}
if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) ||
- perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) {
- fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n");
- goto out_delete_evlist;
- }
+ perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit))
+ goto out_error_tp;
+
+ perf_evlist__add_vfs_getname(evlist);
if (trace->sched &&
- perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
- trace__sched_stat_runtime)) {
- fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n");
- goto out_delete_evlist;
- }
+ perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
+ trace__sched_stat_runtime))
+ goto out_error_tp;
err = perf_evlist__create_maps(evlist, &trace->opts.target);
if (err < 0) {
}
err = perf_evlist__open(evlist);
- if (err < 0) {
- fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno));
- goto out_delete_maps;
- }
+ if (err < 0)
+ goto out_error_open;
err = perf_evlist__mmap(evlist, UINT_MAX, false);
if (err < 0) {
continue;
}
- if (trace->base_time == 0)
+ if (!trace->full_time && trace->base_time == 0)
trace->base_time = sample.time;
if (type != PERF_RECORD_SAMPLE) {
- trace__process_event(trace, &trace->host, event);
+ trace__process_event(trace, trace->host, event);
continue;
}
handler = evsel->handler.func;
handler(trace, evsel, &sample);
- if (done)
- goto out_unmap_evlist;
+ if (interrupted)
+ goto out_disable;
}
}
if (trace->nr_events == before) {
- if (done)
- goto out_unmap_evlist;
+ int timeout = done ? 100 : -1;
- poll(evlist->pollfd, evlist->nr_fds, -1);
+ if (poll(evlist->pollfd, evlist->nr_fds, timeout) > 0)
+ goto again;
+ } else {
+ goto again;
}
- if (done)
- perf_evlist__disable(evlist);
+out_disable:
+ perf_evlist__disable(evlist);
- goto again;
+ if (!err) {
+ if (trace->summary)
+ trace__fprintf_thread_summary(trace, trace->output);
+
+ if (trace->show_tool_stats) {
+ fprintf(trace->output, "Stats:\n "
+ " vfs_getname : %" PRIu64 "\n"
+ " proc_getname: %" PRIu64 "\n",
+ trace->stats.vfs_getname,
+ trace->stats.proc_getname);
+ }
+ }
-out_unmap_evlist:
perf_evlist__munmap(evlist);
out_close_evlist:
perf_evlist__close(evlist);
out_delete_evlist:
perf_evlist__delete(evlist);
out:
+ trace->live = false;
return err;
+{
+ char errbuf[BUFSIZ];
+
+out_error_tp:
+ perf_evlist__strerror_tp(evlist, errno, errbuf, sizeof(errbuf));
+ goto out_error;
+
+out_error_open:
+ perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf));
+
+out_error:
+ fprintf(trace->output, "%s\n", errbuf);
+ goto out_delete_evlist;
+}
}
static int trace__replay(struct trace *trace)
const struct perf_evsel_str_handler handlers[] = {
{ "raw_syscalls:sys_enter", trace__sys_enter, },
{ "raw_syscalls:sys_exit", trace__sys_exit, },
+ { "probe:vfs_getname", trace__vfs_getname, },
+ };
+ struct perf_data_file file = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
};
-
struct perf_session *session;
int err = -1;
if (symbol__init() < 0)
return -1;
- session = perf_session__new(input_name, O_RDONLY, 0, false,
- &trace->tool);
+ session = perf_session__new(&file, false, &trace->tool);
if (session == NULL)
return -ENOMEM;
+ trace->host = &session->machines.host;
+
err = perf_session__set_tracepoints_handlers(session, handlers);
if (err)
goto out;
if (err)
pr_err("Failed to process events, error %d", err);
+ else if (trace->summary)
+ trace__fprintf_thread_summary(trace, trace->output);
+
out:
perf_session__delete(session);
{
size_t printed;
- printed = fprintf(fp, "\n _____________________________________________________________________\n");
- printed += fprintf(fp," __) Summary of events (__\n\n");
- printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n");
- printed += fprintf(fp," _____________________________________________________________________\n\n");
+ printed = fprintf(fp, "\n _____________________________________________________________________________\n");
+ printed += fprintf(fp, " __) Summary of events (__\n\n");
+ printed += fprintf(fp, " [ task - pid ] [ events ] [ ratio ] [ runtime ]\n");
+ printed += fprintf(fp, " syscall count min max avg stddev\n");
+ printed += fprintf(fp, " msec msec msec %%\n");
+ printed += fprintf(fp, " _____________________________________________________________________________\n\n");
return printed;
}
-static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp)
+static size_t thread__dump_stats(struct thread_trace *ttrace,
+ struct trace *trace, FILE *fp)
{
- size_t printed = trace__fprintf_threads_header(fp);
- struct rb_node *nd;
-
- for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) {
- struct thread *thread = rb_entry(nd, struct thread, rb_node);
- struct thread_trace *ttrace = thread->priv;
- const char *color;
- double ratio;
-
- if (ttrace == NULL)
- continue;
-
- ratio = (double)ttrace->nr_events / trace->nr_events * 100.0;
-
- color = PERF_COLOR_NORMAL;
- if (ratio > 50.0)
- color = PERF_COLOR_RED;
- else if (ratio > 25.0)
- color = PERF_COLOR_GREEN;
- else if (ratio > 5.0)
- color = PERF_COLOR_YELLOW;
-
- printed += color_fprintf(fp, color, "%20s", thread->comm);
- printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events);
- printed += color_fprintf(fp, color, "%5.1f%%", ratio);
- printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms);
+ struct stats *stats;
+ size_t printed = 0;
+ struct syscall *sc;
+ struct int_node *inode = intlist__first(ttrace->syscall_stats);
+
+ if (inode == NULL)
+ return 0;
+
+ printed += fprintf(fp, "\n");
+
+ /* each int_node is a syscall */
+ while (inode) {
+ stats = inode->priv;
+ if (stats) {
+ double min = (double)(stats->min) / NSEC_PER_MSEC;
+ double max = (double)(stats->max) / NSEC_PER_MSEC;
+ double avg = avg_stats(stats);
+ double pct;
+ u64 n = (u64) stats->n;
+
+ pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0;
+ avg /= NSEC_PER_MSEC;
+
+ sc = &trace->syscalls.table[inode->i];
+ printed += fprintf(fp, "%24s %14s : ", "", sc->name);
+ printed += fprintf(fp, "%5" PRIu64 " %8.3f %8.3f",
+ n, min, max);
+ printed += fprintf(fp, " %8.3f %6.2f\n", avg, pct);
+ }
+
+ inode = intlist__next(inode);
}
+ printed += fprintf(fp, "\n\n");
+
return printed;
}
+/* struct used to pass data to per-thread function */
+struct summary_data {
+ FILE *fp;
+ struct trace *trace;
+ size_t printed;
+};
+
+static int trace__fprintf_one_thread(struct thread *thread, void *priv)
+{
+ struct summary_data *data = priv;
+ FILE *fp = data->fp;
+ size_t printed = data->printed;
+ struct trace *trace = data->trace;
+ struct thread_trace *ttrace = thread->priv;
+ const char *color;
+ double ratio;
+
+ if (ttrace == NULL)
+ return 0;
+
+ ratio = (double)ttrace->nr_events / trace->nr_events * 100.0;
+
+ color = PERF_COLOR_NORMAL;
+ if (ratio > 50.0)
+ color = PERF_COLOR_RED;
+ else if (ratio > 25.0)
+ color = PERF_COLOR_GREEN;
+ else if (ratio > 5.0)
+ color = PERF_COLOR_YELLOW;
+
+ printed += color_fprintf(fp, color, "%20s", thread->comm);
+ printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events);
+ printed += color_fprintf(fp, color, "%5.1f%%", ratio);
+ printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms);
+ printed += thread__dump_stats(ttrace, trace, fp);
+
+ data->printed += printed;
+
+ return 0;
+}
+
+static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp)
+{
+ struct summary_data data = {
+ .fp = fp,
+ .trace = trace
+ };
+ data.printed = trace__fprintf_threads_header(fp);
+
+ machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data);
+
+ return data.printed;
+}
+
static int trace__set_duration(const struct option *opt, const char *str,
int unset __maybe_unused)
{
const char * const trace_usage[] = {
"perf trace [<options>] [<command>]",
"perf trace [<options>] -- <command> [<options>]",
+ "perf trace record [<options>] [<command>]",
+ "perf trace record [<options>] -- <command> [<options>]",
NULL
};
struct trace trace = {
- .audit_machine = audit_detect_machine(),
+ .audit = {
+ .machine = audit_detect_machine(),
+ .open_id = audit_name_to_syscall("open", trace.audit.machine),
+ },
.syscalls = {
. max = -1,
},
.mmap_pages = 1024,
},
.output = stdout,
+ .show_comm = true,
};
const char *output_name = NULL;
const char *ev_qualifier_str = NULL;
const struct option trace_options[] = {
+ OPT_BOOLEAN(0, "comm", &trace.show_comm,
+ "show the thread COMM next to its id"),
+ OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"),
OPT_STRING('e', "expr", &ev_qualifier_str, "expr",
"list of events to trace"),
OPT_STRING('o', "output", &output_name, "file", "output file name"),
"list of cpus to monitor"),
OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit,
"child tasks do not inherit counters"),
- OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages,
- "number of mmap data pages"),
+ OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages",
+ "number of mmap data pages",
+ perf_evlist__parse_mmap_pages),
OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user",
"user to profile"),
OPT_CALLBACK(0, "duration", &trace, "float",
trace__set_duration),
OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
+ OPT_BOOLEAN('T', "time", &trace.full_time,
+ "Show full timestamp, not time relative to first start"),
+ OPT_BOOLEAN(0, "summary", &trace.summary,
+ "Show syscall summary with statistics"),
OPT_END()
};
int err;
char bf[BUFSIZ];
+ if ((argc > 1) && (strcmp(argv[1], "record") == 0))
+ return trace__record(argc-2, &argv[2]);
+
argc = parse_options(argc, argv, trace_options, trace_usage, 0);
if (output_name != NULL) {
else
err = trace__run(&trace, argc, argv);
- if (trace.sched && !err)
- trace__fprintf_thread_summary(&trace, trace.output);
-
out_close:
if (output_name != NULL)
fclose(trace.output);
projects / karo-tx-linux.git / blobdiff