/*
* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
static int opt_kernel;
static char *opt_channel;
static int opt_domain;
+static int opt_fields;
#if 0
/* Not implemented yet */
static char *opt_cmd_name;
#endif
{"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0},
{"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0},
+ {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0},
{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
{0, 0, 0, 0, 0, 0, 0}
};
*/
static void usage(FILE *ofp)
{
- fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [<OPTIONS>]]\n");
+ fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n");
fprintf(ofp, "\n");
fprintf(ofp, "With no arguments, list available tracing session(s)\n");
fprintf(ofp, "\n");
fprintf(ofp, " --list-options Simple listing of options\n");
fprintf(ofp, " -k, --kernel Select kernel domain\n");
fprintf(ofp, " -u, --userspace Select user-space domain.\n");
+ fprintf(ofp, " -f, --fields List event fields.\n");
#if 0
fprintf(ofp, " -p, --pid PID List user-space events by PID\n");
#endif
const char *active_string(int value)
{
switch (value) {
- case 0: return " [inactive]";
- case 1: return " [active]";
+ case 0: return "inactive";
+ case 1: return "active";
case -1: return "";
default: return NULL;
}
}
+static const char *snapshot_string(int value)
+{
+ switch (value) {
+ case 1:
+ return " snapshot";
+ default:
+ return "";
+ }
+}
+
static
const char *enabled_string(int value)
{
}
}
+static
+const char *filter_string(int value)
+{
+ switch (value) {
+ case 1: return " [with filter]";
+ default: return "";
+ }
+}
+
static const char *loglevel_string(int value)
{
switch (value) {
case LTTNG_EVENT_TRACEPOINT:
{
if (event->loglevel != -1) {
- MSG("%s%s (loglevel: %s (%d)) (type: tracepoint)%s",
+ MSG("%s%s (loglevel: %s (%d)) (type: tracepoint)%s%s",
indent6,
event->name,
loglevel_string(event->loglevel),
event->loglevel,
- enabled_string(event->enabled));
+ enabled_string(event->enabled),
+ filter_string(event->filter));
} else {
- MSG("%s%s (type: tracepoint)%s",
+ MSG("%s%s (type: tracepoint)%s%s",
indent6,
event->name,
- enabled_string(event->enabled));
+ enabled_string(event->enabled),
+ filter_string(event->filter));
}
break;
}
+ case LTTNG_EVENT_FUNCTION:
+ MSG("%s%s (type: function)%s%s", indent6,
+ event->name, enabled_string(event->enabled),
+ filter_string(event->filter));
+ if (event->attr.probe.addr != 0) {
+ MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
+ } else {
+ MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset);
+ MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name);
+ }
+ break;
case LTTNG_EVENT_PROBE:
- MSG("%s%s (type: probe)%s", indent6,
- event->name, enabled_string(event->enabled));
+ MSG("%s%s (type: probe)%s%s", indent6,
+ event->name, enabled_string(event->enabled),
+ filter_string(event->filter));
if (event->attr.probe.addr != 0) {
MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
} else {
MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name);
}
break;
- case LTTNG_EVENT_FUNCTION:
case LTTNG_EVENT_FUNCTION_ENTRY:
- MSG("%s%s (type: function)%s", indent6,
- event->name, enabled_string(event->enabled));
+ MSG("%s%s (type: function)%s%s", indent6,
+ event->name, enabled_string(event->enabled),
+ filter_string(event->filter));
MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name);
break;
case LTTNG_EVENT_SYSCALL:
- MSG("%ssyscalls (type: syscall)%s", indent6,
- enabled_string(event->enabled));
+ MSG("%ssyscalls (type: syscall)%s%s", indent6,
+ enabled_string(event->enabled),
+ filter_string(event->filter));
break;
case LTTNG_EVENT_NOOP:
- MSG("%s (type: noop)%s", indent6,
- enabled_string(event->enabled));
+ MSG("%s (type: noop)%s%s", indent6,
+ enabled_string(event->enabled),
+ filter_string(event->filter));
break;
case LTTNG_EVENT_ALL:
/* We should never have "all" events in list. */
}
}
+static const char *field_type(struct lttng_event_field *field)
+{
+ switch(field->type) {
+ case LTTNG_EVENT_FIELD_INTEGER:
+ return "integer";
+ case LTTNG_EVENT_FIELD_ENUM:
+ return "enum";
+ case LTTNG_EVENT_FIELD_FLOAT:
+ return "float";
+ case LTTNG_EVENT_FIELD_STRING:
+ return "string";
+ case LTTNG_EVENT_FIELD_OTHER:
+ default: /* fall-through */
+ return "unknown";
+ }
+}
+
+/*
+ * Pretty print single event fields.
+ */
+static void print_event_field(struct lttng_event_field *field)
+{
+ if (!field->field_name[0]) {
+ return;
+ }
+ MSG("%sfield: %s (%s)%s", indent8, field->field_name,
+ field_type(field), field->nowrite ? " [no write]" : "");
+}
+
/*
* Ask session daemon for all user space tracepoints available.
*/
struct lttng_handle *handle;
struct lttng_event *event_list;
pid_t cur_pid = 0;
+ char *cmdline = NULL;
memset(&domain, 0, sizeof(domain));
size = lttng_list_tracepoints(handle, &event_list);
if (size < 0) {
- ERR("Unable to list UST events");
+ ERR("Unable to list UST events: %s", lttng_strerror(size));
lttng_destroy_handle(handle);
return size;
}
for (i = 0; i < size; i++) {
if (cur_pid != event_list[i].pid) {
cur_pid = event_list[i].pid;
- MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid));
+ cmdline = get_cmdline_by_pid(cur_pid);
+ MSG("\nPID: %d - Name: %s", cur_pid, cmdline);
+ free(cmdline);
}
print_events(&event_list[i]);
}
return -1;
}
+/*
+ * Ask session daemon for all user space tracepoint fields available.
+ */
+static int list_ust_event_fields(void)
+{
+ int i, size;
+ struct lttng_domain domain;
+ struct lttng_handle *handle;
+ struct lttng_event_field *event_field_list;
+ pid_t cur_pid = 0;
+ char *cmdline = NULL;
+
+ struct lttng_event cur_event;
+
+ memset(&domain, 0, sizeof(domain));
+ memset(&cur_event, 0, sizeof(cur_event));
+
+ DBG("Getting UST tracing event fields");
+
+ domain.type = LTTNG_DOMAIN_UST;
+
+ handle = lttng_create_handle(NULL, &domain);
+ if (handle == NULL) {
+ goto error;
+ }
+
+ size = lttng_list_tracepoint_fields(handle, &event_field_list);
+ if (size < 0) {
+ ERR("Unable to list UST event fields: %s", lttng_strerror(size));
+ lttng_destroy_handle(handle);
+ return size;
+ }
+
+ MSG("UST events:\n-------------");
+
+ if (size == 0) {
+ MSG("None");
+ }
+
+ for (i = 0; i < size; i++) {
+ if (cur_pid != event_field_list[i].event.pid) {
+ cur_pid = event_field_list[i].event.pid;
+ cmdline = get_cmdline_by_pid(cur_pid);
+ MSG("\nPID: %d - Name: %s", cur_pid, cmdline);
+ free(cmdline);
+ }
+ if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) {
+ print_events(&event_field_list[i].event);
+ memcpy(&cur_event, &event_field_list[i].event,
+ sizeof(cur_event));
+ }
+ print_event_field(&event_field_list[i]);
+ }
+
+ MSG("");
+
+ free(event_field_list);
+ lttng_destroy_handle(handle);
+
+ return CMD_SUCCESS;
+
+error:
+ lttng_destroy_handle(handle);
+ return -1;
+}
+
/*
* Ask for all trace events in the kernel and pretty print them.
*/
size = lttng_list_tracepoints(handle, &event_list);
if (size < 0) {
- ERR("Unable to list kernel events");
+ ERR("Unable to list kernel events: %s", lttng_strerror(size));
lttng_destroy_handle(handle);
return size;
}
count = lttng_list_events(handle, channel_name, &events);
if (count < 0) {
ret = count;
+ ERR("%s", lttng_strerror(ret));
goto error;
}
MSG("");
end:
- if (events) {
- free(events);
- }
+ free(events);
ret = CMD_SUCCESS;
error:
count = lttng_list_channels(handle, &channels);
if (count < 0) {
- ret = count;
+ switch (-count) {
+ case LTTNG_ERR_KERN_CHAN_NOT_FOUND:
+ ret = CMD_SUCCESS;
+ WARN("No kernel channel");
+ break;
+ default:
+ /* We had a real error */
+ ret = count;
+ ERR("%s", lttng_strerror(ret));
+ break;
+ }
goto error_channels;
- } else if (count == 0) {
- ERR("Channel %s not found", channel_name);
- goto error;
}
if (channel_name == NULL) {
/* Listing events per channel */
ret = list_events(channels[i].name);
if (ret < 0) {
- MSG("%s", lttng_strerror(ret));
+ ERR("%s", lttng_strerror(ret));
}
if (chan_found) {
DBG("Session count %d", count);
if (count < 0) {
ret = count;
+ ERR("%s", lttng_strerror(ret));
goto error;
} else if (count == 0) {
MSG("Currently no available tracing session");
if (session_name != NULL) {
if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) {
session_found = 1;
- MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled));
+ MSG("Tracing session %s: [%s%s]", session_name,
+ active_string(sessions[i].enabled),
+ snapshot_string(sessions[i].snapshot_mode));
MSG("%sTrace path: %s\n", indent4, sessions[i].path);
break;
}
- continue;
- }
-
- MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path,
- active_string(sessions[i].enabled));
-
- if (session_found) {
- break;
+ } else {
+ MSG(" %d) %s (%s) [%s%s]", i + 1, sessions[i].name, sessions[i].path,
+ active_string(sessions[i].enabled),
+ snapshot_string(sessions[i].snapshot_mode));
}
}
count = lttng_list_domains(session_name, &domains);
if (count < 0) {
ret = count;
+ ERR("%s", lttng_strerror(ret));
goto error;
} else if (count == 0) {
MSG(" None");
*/
int cmd_list(int argc, const char **argv)
{
- int opt, i, ret = CMD_SUCCESS;
- int nb_domain;
+ int opt, ret = CMD_SUCCESS;
const char *session_name;
static poptContext pc;
struct lttng_domain domain;
if (opt_kernel) {
ret = list_kernel_events();
if (ret < 0) {
+ ret = CMD_ERROR;
goto end;
}
}
if (opt_userspace) {
- ret = list_ust_events();
+ if (opt_fields) {
+ ret = list_ust_event_fields();
+ } else {
+ ret = list_ust_events();
+ }
if (ret < 0) {
+ ret = CMD_ERROR;
goto end;
}
}
goto end;
}
} else {
+ int i, nb_domain;
+
/* We want all domain(s) */
nb_domain = lttng_list_domains(session_name, &domains);
if (nb_domain < 0) {
ret = nb_domain;
+ ERR("%s", lttng_strerror(ret));
goto end;
}
break;
case LTTNG_DOMAIN_UST:
MSG("=== Domain: UST global ===\n");
+ MSG("Buffer type: %s\n",
+ domains[i].buf_type ==
+ LTTNG_BUFFER_PER_PID ? "per PID" : "per UID");
break;
default:
MSG("=== Domain: Unimplemented ===\n");
}
end:
- if (domains) {
- free(domains);
- }
+ free(domains);
if (handle) {
lttng_destroy_handle(handle);
}
projects / lttng-tools.git / blobdiff