+/*
+ * builtin-trace.c
+ *
+ * Builtin 'trace' command:
+ *
+ * Display a continuously updated trace of any workload, CPU, specific PID,
+ * system wide, etc. Default format is loosely strace like, but any other
+ * event may be specified using --event.
+ *
+ * Copyright (C) 2012, 2013, 2014, 2015 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ *
+ * Initially based on the 'trace' prototype by Thomas Gleixner:
+ *
+ * http://lwn.net/Articles/415728/ ("Announcing a new utility: 'trace'")
+ *
+ * Released under the GPL v2. (and only v2, not any later version)
+ */
+
#include <traceevent/event-parse.h>
#include "builtin.h"
#include "util/color.h"
#ifndef MADV_HWPOISON
# define MADV_HWPOISON 100
+
#endif
#ifndef MADV_MERGEABLE
static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", };
static DEFINE_STRARRAY(itimers);
+static const char *keyctl_options[] = {
+ "GET_KEYRING_ID", "JOIN_SESSION_KEYRING", "UPDATE", "REVOKE", "CHOWN",
+ "SETPERM", "DESCRIBE", "CLEAR", "LINK", "UNLINK", "SEARCH", "READ",
+ "INSTANTIATE", "NEGATE", "SET_REQKEY_KEYRING", "SET_TIMEOUT",
+ "ASSUME_AUTHORITY", "GET_SECURITY", "SESSION_TO_PARENT", "REJECT",
+ "INSTANTIATE_IOV", "INVALIDATE", "GET_PERSISTENT",
+};
+static DEFINE_STRARRAY(keyctl_options);
+
static const char *whences[] = { "SET", "CUR", "END",
#ifdef SEEK_DATA
"DATA",
static const char *clockid[] = {
"REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID",
- "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE",
+ "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE", "BOOTTIME",
+ "REALTIME_ALARM", "BOOTTIME_ALARM", "SGI_CYCLE", "TAI"
};
static DEFINE_STRARRAY(clockid);
{ .name = "fchmod", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "fchmodat", .errmsg = true,
- .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
+ [1] = SCA_FILENAME, /* filename */ }, },
{ .name = "fchown", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "fchownat", .errmsg = true,
{ .name = "futex", .errmsg = true,
.arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, },
{ .name = "futimesat", .errmsg = true,
- .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
+ [1] = SCA_FILENAME, /* filename */ }, },
{ .name = "getdents", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "getdents64", .errmsg = true,
#else
[2] = 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,
.arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
{ .name = "listxattr", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
+ { .name = "llistxattr", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
+ { .name = "lremovexattr", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
{ .name = "lseek", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */
[2] = SCA_STRARRAY, /* whence */ },
.arg_parm = { [2] = &strarray__whences, /* whence */ }, },
{ .name = "lsetxattr", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
- { .name = "lstat", .errmsg = true, .alias = "newlstat", },
+ { .name = "lstat", .errmsg = true, .alias = "newlstat",
+ .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
{ .name = "lsxattr", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
{ .name = "madvise", .errmsg = true,
{ .name = "mknod", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
{ .name = "mknodat", .errmsg = true,
- .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
+ .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
+ [1] = SCA_FILENAME, /* filename */ }, },
{ .name = "mlock", .errmsg = true,
.arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
{ .name = "mlockall", .errmsg = true,
{ .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 */ }, },
{ .name = "mremap", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* addr */
[3] = SCA_MREMAP_FLAGS, /* flags */
{ .name = "readv", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "recvfrom", .errmsg = true,
- .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [3] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "recvmmsg", .errmsg = true,
- .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [3] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "recvmsg", .errmsg = true,
- .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [2] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "removexattr", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
{ .name = "renameat", .errmsg = true,
.arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
{ .name = "select", .errmsg = true, .timeout = true, },
{ .name = "sendmmsg", .errmsg = true,
- .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [3] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "sendmsg", .errmsg = true,
- .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [2] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "sendto", .errmsg = true,
- .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */
+ [3] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), },
{ .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
{ .name = "setxattr", .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 = "stat", .errmsg = true, .alias = "newstat",
+ .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
{ .name = "statfs", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
{ .name = "swapoff", .errmsg = true,
[1] = SCA_FILENAME, /* filename */ }, },
{ .name = "utimes", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
+ { .name = "vmsplice", .errmsg = true,
+ .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "write", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "writev", .errmsg = true,
double runtime_ms;
struct {
unsigned long ptr;
- int entry_str_pos;
+ short int entry_str_pos;
+ bool pending_open;
+ unsigned int namelen;
+ char *name;
} filename;
struct {
int max;
size_t nr;
int *entries;
} ev_qualifier_ids;
- const char *last_vfs_getname;
struct intlist *tid_list;
struct intlist *pid_list;
struct {
trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output);
fprintf(trace->output, "%-70s\n", ttrace->entry_str);
}
- } else
+ } else {
ttrace->entry_pending = true;
+ /* See trace__vfs_getname & trace__sys_exit */
+ ttrace->filename.pending_open = false;
+ }
if (trace->current != thread) {
thread__put(trace->current);
ret = perf_evsel__sc_tp_uint(evsel, ret, sample);
- 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;
+ if (id == trace->audit.open_id && ret >= 0 && ttrace->filename.pending_open) {
+ trace__set_fd_pathname(thread, ret, ttrace->filename.name);
+ ttrace->filename.pending_open = false;
++trace->stats.vfs_getname;
}
size_t filename_len, entry_str_len, to_move;
ssize_t remaining_space;
char *pos;
- const char *filename;
-
- trace->last_vfs_getname = perf_evsel__rawptr(evsel, sample, "pathname");
+ const char *filename = perf_evsel__rawptr(evsel, sample, "pathname");
if (!thread)
goto out;
if (!ttrace)
goto out;
+ filename_len = strlen(filename);
+
+ if (ttrace->filename.namelen < filename_len) {
+ char *f = realloc(ttrace->filename.name, filename_len + 1);
+
+ if (f == NULL)
+ goto out;
+
+ ttrace->filename.namelen = filename_len;
+ ttrace->filename.name = f;
+ }
+
+ strcpy(ttrace->filename.name, filename);
+ ttrace->filename.pending_open = true;
+
if (!ttrace->filename.ptr)
goto out;
if (remaining_space <= 0)
goto out;
- filename = trace->last_vfs_getname;
- filename_len = strlen(filename);
if (filename_len > (size_t)remaining_space) {
filename += filename_len - remaining_space;
filename_len = remaining_space;
projects / firefly-linux-kernel-4.4.55.git / blobdiff