static int opt_kernel;
static int opt_jul;
static int opt_log4j;
+static int opt_python;
static char *opt_channel;
static int opt_domain;
static int opt_fields;
+static int opt_syscall;
#if 0
/* Not implemented yet */
static char *opt_cmd_name;
{"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},
{"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, " -k, --kernel Select kernel domain\n");
fprintf(ofp, " -u, --userspace Select user-space domain.\n");
fprintf(ofp, " -j, --jul Apply for Java application using JUL\n");
+ fprintf(ofp, " -l, --log4j Apply for Java application using LOG4J\n");
+ 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
static char *get_cmdline_by_pid(pid_t pid)
{
int ret;
- FILE *fp;
+ FILE *fp = NULL;
char *cmdline = NULL;
char path[20]; /* Can't go bigger than /proc/65535/cmdline */
if (ret < 0) {
perror("fread proc list");
}
- fclose(fp);
end:
+ if (fp) {
+ fclose(fp);
+ }
return cmdline;
}
}
}
+static const char *bitness_event(enum lttng_event_flag flags)
+{
+ if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) {
+ if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) {
+ return " [32/64-bit]";
+ } else {
+ return " [32-bit]";
+ }
+ } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) {
+ return " [64-bit]";
+ } else {
+ return "";
+ }
+}
+
/*
* Pretty print single event.
*/
indent6,
event->name,
logleveltype_string(event->loglevel_type),
- mi_lttng_loglevel_string(event->loglevel),
+ mi_lttng_loglevel_string(event->loglevel, handle->domain.type),
event->loglevel,
enabled_string(event->enabled),
exclusion_string(event->exclusion),
MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name);
break;
case LTTNG_EVENT_SYSCALL:
- MSG("%ssyscalls (type: syscall)%s%s", indent6,
+ MSG("%s%s%s%s%s", indent6, event->name,
+ (opt_syscall ? "" : " (type:syscall)"),
enabled_string(event->enabled),
- filter_string(event->filter));
+ bitness_event(event->flags));
break;
case LTTNG_EVENT_NOOP:
MSG("%s (type: noop)%s%s", indent6,
}
/* Write an event */
- ret = mi_lttng_event(writer, &events[i], 0);
+ ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
if (ret) {
goto end;
}
domain.type = LTTNG_DOMAIN_JUL;
} else if (opt_log4j) {
domain.type = LTTNG_DOMAIN_LOG4J;
+ } else if (opt_python) {
+ domain.type = LTTNG_DOMAIN_PYTHON;
}
agent_domain_str = get_domain_str(domain.type);
if (!event_element_open) {
/* Open and write the event */
- ret = mi_lttng_event(writer, &cur_event, 1);
+ ret = mi_lttng_event(writer, &cur_event, 1,
+ handle->domain.type);
if (ret) {
goto end;
}
}
for (i = 0; i < count; i++) {
- ret = mi_lttng_event(writer, &events[i], 0);
+ ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
if (ret) {
goto end;
}
return ret;
}
+/*
+ * Machine interface
+ * Print a list of system calls.
+ */
+static int mi_list_syscalls(struct lttng_event *events, int count)
+{
+ int ret, i;
+
+ /* Open events */
+ ret = mi_lttng_events_open(writer);
+ if (ret) {
+ goto end;
+ }
+
+ for (i = 0; i < count; i++) {
+ ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /* Close events. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+/*
+ * Ask for kernel system calls.
+ */
+static int list_syscalls(void)
+{
+ int i, size, ret = CMD_SUCCESS;
+ struct lttng_event *event_list;
+
+ DBG("Getting kernel system call events");
+
+ size = lttng_list_syscalls(&event_list);
+ if (size < 0) {
+ ERR("Unable to list system calls: %s", lttng_strerror(size));
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ if (lttng_opt_mi) {
+ /* Mi print */
+ ret = mi_list_syscalls(event_list, size);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+ } else {
+ MSG("System calls:\n-------------");
+
+ for (i = 0; i < size; i++) {
+ print_events(&event_list[i]);
+ }
+
+ MSG("");
+ }
+
+end:
+ free(event_list);
+ return ret;
+
+error:
+ return ret;
+}
+
/*
* Machine Interface
* Print a list of agent events
}
for (i = 0; i < count; i++) {
- ret = mi_lttng_event(writer, &events[i], 0);
+ ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
if (ret) {
goto end;
}
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));
+ mi_lttng_loglevel_string(events[i].loglevel,
+ handle->domain.type));
}
MSG("");
}
for (i = 0; i < count; i++) {
- ret = mi_lttng_event(writer, &events[i], 0);
+ ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
if (ret) {
goto end;
}
}
} else {
/* Pretty print */
- if (channel_name == NULL) {
+ if (count) {
MSG("Channels:\n-------------");
}
/* Pretty print */
if (count == 0) {
MSG("Currently no available tracing session");
- ret = CMD_ERROR;
goto end;
}
MSG("%sTrace path: %s", indent4, sessions[i].path);
MSG("%sLive timer interval (usec): %u\n", indent4,
sessions[i].live_timer_interval);
- break;
}
}
case LTTNG_DOMAIN_LOG4J:
MSG(" - LOG4j (Logging for Java)");
break;
+ case LTTNG_DOMAIN_PYTHON:
+ MSG(" - Python (logging)");
+ break;
default:
break;
}
} else if (opt_jul) {
DBG2("Listing JUL domain");
domain.type = LTTNG_DOMAIN_JUL;
- } else if (opt_jul) {
+ } else if (opt_log4j) {
domain.type = LTTNG_DOMAIN_LOG4J;
+ } else if (opt_python) {
+ domain.type = LTTNG_DOMAIN_PYTHON;
+ }
+
+ if (!opt_kernel && opt_syscall) {
+ WARN("--syscall will only work with the Kernel domain (-k)");
+ ret = CMD_ERROR;
+ goto end;
}
- if (opt_kernel || opt_userspace || opt_jul || opt_log4j) {
+ if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) {
handle = lttng_create_handle(session_name, &domain);
if (handle == NULL) {
ret = CMD_FATAL;
}
if (session_name == NULL) {
- if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j) {
+ if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j
+ && !opt_python) {
ret = list_sessions(NULL);
if (ret) {
goto end;
}
}
if (opt_kernel) {
- ret = list_kernel_events();
- if (ret) {
- goto end;
+ if (opt_syscall) {
+ ret = list_syscalls();
+ if (ret) {
+ goto end;
+ }
+ } else {
+ ret = list_kernel_events();
+ if (ret) {
+ goto end;
+ }
}
}
if (opt_userspace) {
goto end;
}
}
- if (opt_jul || opt_log4j) {
+ if (opt_jul || opt_log4j || opt_python) {
ret = list_agent_events();
if (ret) {
goto end;
case LTTNG_DOMAIN_LOG4J:
MSG("=== Domain: LOG4j (Logging for Java) ===\n");
break;
+ case LTTNG_DOMAIN_PYTHON:
+ MSG("=== Domain: Python (logging) ===\n");
+ break;
default:
MSG("=== Domain: Unimplemented ===\n");
break;
}
if (domains[i].type == LTTNG_DOMAIN_JUL ||
- domains[i].type == LTTNG_DOMAIN_LOG4J) {
+ domains[i].type == LTTNG_DOMAIN_LOG4J ||
+ domains[i].type == LTTNG_DOMAIN_PYTHON) {
ret = list_session_agent_events();
if (ret) {
goto end;