/*
- * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca>
+ * 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, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _LGPL_SOURCE
}
}
+/*
+ * Same as list_cmd_options, but for options specified for argpar.
+ */
+void list_cmd_options_argpar(FILE *ofp, const struct argpar_opt_descr *options)
+{
+ int i;
+ const struct argpar_opt_descr *option = NULL;
+
+ for (i = 0; options[i].long_name != NULL; i++) {
+ option = &options[i];
+
+ fprintf(ofp, "--%s\n", option->long_name);
+
+ if (isprint(option->short_name)) {
+ fprintf(ofp, "-%c\n", option->short_name);
+ }
+ }
+}
+
/*
* fls: returns the position of the most significant bit.
* Returns 0 if no bit is set, else returns the position of the most
#define HAS_FLS_U32
#endif
-#if defined(__x86_64)
+#if defined(__x86_64) && defined(__LP64__)
static inline
unsigned int fls_u64(uint64_t x)
{
return ret;
}
-int print_missing_or_multiple_domains(unsigned int sum)
+int print_missing_or_multiple_domains(unsigned int domain_count,
+ bool include_agent_domains)
{
int ret = 0;
- if (sum == 0) {
- ERR("Please specify a domain (-k/-u/-j).");
+ if (domain_count == 0) {
+ ERR("Please specify a domain (--kernel/--userspace%s).",
+ include_agent_domains ?
+ "/--jul/--log4j/--python" :
+ "");
ret = -1;
- } else if (sum > 1) {
- ERR("Multiple domains specified.");
+ } else if (domain_count > 1) {
+ ERR("Only one domain must be specified.");
ret = -1;
}
*/
void print_session_stats(const char *session_name)
{
- int count, nb_domains, domain_idx, channel_idx, session_idx;
+ char *str;
+ const int ret = get_session_stats_str(session_name, &str);
+
+ if (ret >= 0 && str) {
+ MSG("%s", str);
+ free(str);
+ }
+}
+
+int get_session_stats_str(const char *session_name, char **out_str)
+{
+ int count, nb_domains, domain_idx, channel_idx, session_idx, ret;
struct lttng_domain *domains;
struct lttng_channel *channels;
uint64_t discarded_events_total = 0, lost_packets_total = 0;
struct lttng_session *sessions = NULL;
const struct lttng_session *selected_session = NULL;
+ char *stats_str = NULL;
+ bool print_discarded_events = false, print_lost_packets = false;
count = lttng_list_sessions(&sessions);
if (count < 1) {
ERR("Failed to retrieve session descriptions while printing session statistics.");
+ ret = -1;
goto end;
}
}
if (!selected_session) {
ERR("Failed to retrieve session \"%s\" description while printing session statistics.", session_name);
+ ret = -1;
goto end;
}
nb_domains = lttng_list_domains(session_name, &domains);
if (nb_domains < 0) {
+ ret = -1;
goto end;
}
for (domain_idx = 0; domain_idx < nb_domains; domain_idx++) {
if (!handle) {
ERR("Failed to create session handle while printing session statistics.");
+ ret = -1;
goto end;
}
count = lttng_list_channels(handle, &channels);
for (channel_idx = 0; channel_idx < count; channel_idx++) {
- int ret;
uint64_t discarded_events = 0, lost_packets = 0;
struct lttng_channel *channel = &channels[channel_idx];
}
lttng_destroy_handle(handle);
}
- if (discarded_events_total > 0 && !selected_session->snapshot_mode) {
- MSG("[warning] %" PRIu64 " events discarded, please refer to "
+
+ print_discarded_events = discarded_events_total > 0 &&
+ !selected_session->snapshot_mode;
+ print_lost_packets = lost_packets_total > 0 &&
+ !selected_session->snapshot_mode;
+
+ if (print_discarded_events && print_lost_packets) {
+ ret = asprintf(&stats_str,
+ "Warning: %" PRIu64
+ " events were discarded and %" PRIu64
+ " packets were lost, please refer to "
+ "the documentation on channel configuration.",
+ discarded_events_total, lost_packets_total);
+ } else if (print_discarded_events) {
+ ret = asprintf(&stats_str,
+ "Warning: %" PRIu64
+ " events were discarded, please refer to "
"the documentation on channel configuration.",
discarded_events_total);
- }
- if (lost_packets_total > 0 && !selected_session->snapshot_mode) {
- MSG("[warning] %" PRIu64 " packets lost, please refer to "
+ } else if (print_lost_packets) {
+ ret = asprintf(&stats_str,
+ "Warning: %" PRIu64
+ " packets were lost, please refer to "
"the documentation on channel configuration.",
lost_packets_total);
+ } else {
+ ret = 0;
}
+ if (ret < 0) {
+ ERR("Failed to format lost packet and discarded events statistics");
+ } else {
+ *out_str = stats_str;
+ ret = 0;
+ }
end:
free(sessions);
+ return ret;
}
int show_cmd_help(const char *cmd_name, const char *help_msg)
projects / lttng-tools.git / blobdiff