* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <inttypes.h>
#include <popt.h>
#include <stdio.h>
#include <assert.h>
#include <common/mi-lttng.h>
+#include <lttng/constant.h>
#include "../command.h"
static int opt_domain;
static int opt_fields;
static int opt_syscall;
-#if 0
-/* Not implemented yet */
-static char *opt_cmd_name;
-static pid_t opt_pid;
-#endif
const char *indent4 = " ";
const char *indent6 = " ";
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
- {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
- {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0},
- {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0},
- {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0},
-#if 0
- /* Not implemented yet */
- {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
- {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
-#else
- {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
-#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},
- {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0},
+ {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+ {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
+ {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0},
+ {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0},
+ {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0},
+ {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
+ {"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},
+ {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0},
{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
{0, 0, 0, 0, 0, 0, 0}
};
fprintf(ofp, " -p, --python Apply for Python application using logging\n");
fprintf(ofp, " -f, --fields List event fields.\n");
fprintf(ofp, " --syscall List available system calls.\n");
-#if 0
- fprintf(ofp, " -p, --pid PID List user-space events by PID\n");
-#endif
fprintf(ofp, "\n");
fprintf(ofp, "Session Options:\n");
fprintf(ofp, " -c, --channel NAME List details of a channel\n");
int ret;
FILE *fp = NULL;
char *cmdline = NULL;
- char path[20]; /* Can't go bigger than /proc/65535/cmdline */
+ /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */
+ char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1];
snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
fp = fopen(path, "r");
}
/* Caller must free() *cmdline */
- cmdline = malloc(PATH_MAX);
+ cmdline = zmalloc(PATH_MAX);
if (!cmdline) {
- perror("malloc cmdline");
+ PERROR("malloc cmdline");
goto end;
}
ret = fread(cmdline, 1, PATH_MAX, fp);
if (ret < 0) {
- perror("fread proc list");
+ PERROR("fread proc list");
}
end:
}
static
-const char *filter_string(int value)
+const char *filter_message(const char *filter_msg)
{
- switch (value) {
- case 1: return " [with filter]";
- default: return "";
- }
+ return filter_msg ? filter_msg : "";
}
static
*/
static void print_events(struct lttng_event *event)
{
+ int ret;
+ const char *filter_str;
+ char *filter_msg = NULL;
+
+ ret = lttng_event_get_filter_string(event, &filter_str);
+
+ if (ret) {
+ filter_msg = strdup(" [failed to retrieve filter]");
+ } else if (filter_str) {
+ const char * const filter_fmt = " [filter: '%s']";
+
+ filter_msg = malloc(strlen(filter_str) +
+ strlen(filter_fmt) + 1);
+ if (filter_msg) {
+ sprintf(filter_msg, filter_fmt,
+ filter_str);
+ }
+ }
+
switch (event->type) {
case LTTNG_EVENT_TRACEPOINT:
{
event->loglevel,
enabled_string(event->enabled),
exclusion_string(event->exclusion),
- filter_string(event->filter));
+ filter_message(filter_msg));
} else {
MSG("%s%s (type: tracepoint)%s%s%s",
indent6,
event->name,
enabled_string(event->enabled),
exclusion_string(event->exclusion),
- filter_string(event->filter));
+ filter_message(filter_msg));
}
break;
}
case LTTNG_EVENT_FUNCTION:
MSG("%s%s (type: function)%s%s", indent6,
event->name, enabled_string(event->enabled),
- filter_string(event->filter));
+ filter_message(filter_msg));
if (event->attr.probe.addr != 0) {
MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
} else {
case LTTNG_EVENT_PROBE:
MSG("%s%s (type: probe)%s%s", indent6,
event->name, enabled_string(event->enabled),
- filter_string(event->filter));
+ filter_message(filter_msg));
if (event->attr.probe.addr != 0) {
MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr);
} else {
case LTTNG_EVENT_FUNCTION_ENTRY:
MSG("%s%s (type: function)%s%s", indent6,
event->name, enabled_string(event->enabled),
- filter_string(event->filter));
+ filter_message(filter_msg));
MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name);
break;
case LTTNG_EVENT_SYSCALL:
case LTTNG_EVENT_NOOP:
MSG("%s (type: noop)%s%s", indent6,
enabled_string(event->enabled),
- filter_string(event->filter));
+ filter_message(filter_msg));
break;
case LTTNG_EVENT_ALL:
/* We should never have "all" events in list. */
assert(0);
break;
}
+
+ free(filter_msg);
}
static const char *field_type(struct lttng_event_field *field)
goto end;
}
- /* Open pids element */
+ /* Open pids element element */
ret = mi_lttng_pids_open(writer);
if (ret) {
goto end;
for (i = 0; i < count; i++) {
if (cur_pid != events[i].pid) {
if (pid_element_open) {
- /* Close the previous events and pid element */
+ /* Close the previous events and pid element */
ret = mi_lttng_close_multi_element(writer, 2);
if (ret) {
goto end;
{
int i, size, ret = CMD_SUCCESS;
struct lttng_domain domain;
- struct lttng_handle *handle;
- struct lttng_event *event_list;
+ struct lttng_handle *handle = NULL;
+ struct lttng_event *event_list = NULL;
pid_t cur_pid = 0;
char *cmdline = NULL;
const char *agent_domain_str;
domain.type = LTTNG_DOMAIN_LOG4J;
} else if (opt_python) {
domain.type = LTTNG_DOMAIN_PYTHON;
+ } else {
+ ERR("Invalid agent domain selected.");
+ ret = CMD_ERROR;
+ goto error;
}
agent_domain_str = get_domain_str(domain.type);
int i, size, ret = CMD_SUCCESS;
struct lttng_domain domain;
struct lttng_handle *handle;
- struct lttng_event *event_list;
+ struct lttng_event *event_list = NULL;
pid_t cur_pid = 0;
char *cmdline = NULL;
}
}
- /* Close pids, domain, domains */
+ /* Close pid, domain, domains */
ret = mi_lttng_close_multi_element(writer, 3);
end:
return ret;
}
for (i = 0; i < count; i++) {
- MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name,
- enabled_string(events[i].enabled),
- logleveltype_string(events[i].loglevel_type),
- mi_lttng_loglevel_string(events[i].loglevel,
- handle->domain.type));
+ if (events[i].loglevel_type !=
+ LTTNG_EVENT_LOGLEVEL_ALL) {
+ MSG("%s- %s%s (loglevel%s %s)", indent4,
+ events[i].name,
+ enabled_string(
+ events[i].enabled),
+ logleveltype_string(
+ events[i].loglevel_type),
+ mi_lttng_loglevel_string(
+ events[i].loglevel,
+ handle->domain.type));
+ } else {
+ MSG("%s- %s%s", indent4, events[i].name,
+ enabled_string(events[i].enabled));
+ }
}
MSG("");
}
} else {
/* Pretty print */
- if (channel_name == NULL) {
+ if (count) {
MSG("Channels:\n-------------");
}
return ret;
}
+/*
+ * List tracker PID(s) of session and domain.
+ */
+static int list_tracker_pids(void)
+{
+ int ret = 0;
+ int enabled;
+ int *pids = NULL;
+ size_t nr_pids;
+
+ ret = lttng_list_tracker_pids(handle,
+ &enabled, &pids, &nr_pids);
+ if (ret) {
+ return ret;
+ }
+ if (enabled) {
+ int i;
+ _MSG("PID tracker: [");
+
+ /* Mi tracker_pid element*/
+ if (writer) {
+ /* Open tracker_pid and targets elements */
+ ret = mi_lttng_pid_tracker_open(writer);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ for (i = 0; i < nr_pids; i++) {
+ if (i) {
+ _MSG(",");
+ }
+ _MSG(" %d", pids[i]);
+
+ /* Mi */
+ if (writer) {
+ ret = mi_lttng_pid_target(writer, pids[i], 0);
+ if (ret) {
+ goto end;
+ }
+ }
+ }
+ _MSG(" ]\n\n");
+
+ /* Mi close tracker_pid and targets */
+ if (writer) {
+ ret = mi_lttng_close_multi_element(writer,2);
+ if (ret) {
+ goto end;
+ }
+ }
+ }
+end:
+ free(pids);
+ return ret;
+
+}
+
+/*
+ * List all tracker of a domain
+ */
+static int list_trackers(void)
+{
+ int ret;
+
+ /* Trackers listing */
+ if (lttng_opt_mi) {
+ ret = mi_lttng_trackers_open(writer);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /* pid tracker */
+ ret = list_tracker_pids();
+ if (ret) {
+ goto end;
+ }
+
+ if (lttng_opt_mi) {
+ /* Close trackers element */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
/*
* Machine interface
* Find the session with session_name as name
active_string(sessions[i].enabled),
snapshot_string(sessions[i].snapshot_mode));
MSG("%sTrace path: %s", indent4, sessions[i].path);
- MSG("%sLive timer interval (usec): %u\n", indent4,
- sessions[i].live_timer_interval);
+ if (sessions[i].live_timer_interval != 0) {
+ MSG("%sLive timer interval (usec): %u", indent4,
+ sessions[i].live_timer_interval);
+ }
+ MSG("");
}
}
}
+
+ /* Trackers */
+ ret = list_trackers();
+ if (ret) {
+ goto end;
+ }
+
+ /* Channels */
ret = list_channels(opt_channel);
if (ret) {
goto end;
if (ret) {
goto end;
}
- continue;
+
+ goto next_domain;
+ }
+
+ switch (domains[i].type) {
+ case LTTNG_DOMAIN_KERNEL:
+ case LTTNG_DOMAIN_UST:
+ ret = list_trackers();
+ if (ret) {
+ goto end;
+ }
+ break;
+ default:
+ break;
}
ret = list_channels(opt_channel);
goto end;
}
+next_domain:
if (lttng_opt_mi) {
/* Close domain element */
ret = mi_lttng_writer_close_element(writer);
projects / lttng-tools.git / blobdiff