/*
- * 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 _GNU_SOURCE
#define _LGPL_SOURCE
#include <popt.h>
#include <stdio.h>
static int opt_log4j;
static int opt_python;
static int opt_event_type;
-#if 0
-/* Not implemented yet */
-static char *opt_cmd_name;
-static pid_t opt_pid;
+
+#ifdef LTTNG_EMBED_HELP
+static const char help_msg[] =
+#include <lttng-disable-event.1.h>
+;
#endif
enum {
OPT_HELP = 1,
- OPT_USERSPACE,
- OPT_SYSCALL,
+ OPT_TYPE_SYSCALL,
+ OPT_TYPE_TRACEPOINT,
+ OPT_TYPE_PROBE,
+ OPT_TYPE_FUNCTION,
+ OPT_TYPE_ALL,
OPT_LIST_OPTIONS,
};
{"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0},
{"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0},
{"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
- {"syscall", 0, POPT_ARG_NONE, 0, OPT_SYSCALL, 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
+ {"userspace", 'u', POPT_ARG_VAL, &opt_userspace, 1, 0, 0},
+ {"syscall", 0, POPT_ARG_NONE, 0, OPT_TYPE_SYSCALL, 0, 0},
+ {"probe", 0, POPT_ARG_NONE, 0, OPT_TYPE_PROBE, 0, 0},
+ {"tracepoint", 0, POPT_ARG_NONE, 0, OPT_TYPE_TRACEPOINT, 0, 0},
+ {"function", 0, POPT_ARG_NONE, 0, OPT_TYPE_FUNCTION, 0, 0},
+ {"all", 0, POPT_ARG_NONE, 0, OPT_TYPE_ALL, 0, 0},
{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
{0, 0, 0, 0, 0, 0, 0}
};
-/*
- * usage
- */
-static void usage(FILE *ofp)
-{
- fprintf(ofp, "usage: lttng disable-event NAME[,NAME2,...] (-k | -u) [OPTIONS]\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Options:\n");
- fprintf(ofp, " -h, --help Show this help\n");
- fprintf(ofp, " --list-options Simple listing of options\n");
- fprintf(ofp, " -s, --session NAME Apply to session name\n");
- fprintf(ofp, " -c, --channel NAME Apply to this channel\n");
- fprintf(ofp, " -a, --all-events Disable all tracepoints\n");
- fprintf(ofp, " -k, --kernel Apply for the kernel tracer\n");
- fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
- fprintf(ofp, " -j, --jul Apply for Java application using JUL\n");
- fprintf(ofp, " -l, --log4j Apply to Java application using LOG4j\n");
- fprintf(ofp, " -p, --python Apply to Python application using logging\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Event options:\n");
- fprintf(ofp, " --syscall System call event\n");
- fprintf(ofp, "\n");
-}
-
static
const char *print_channel_name(const char *name)
{
return name ? : "<default>";
}
+static
+const char *print_event_type(const enum lttng_event_type ev_type)
+{
+ switch (ev_type) {
+ case LTTNG_EVENT_ALL:
+ return "any";
+ case LTTNG_EVENT_TRACEPOINT:
+ return "tracepoint";
+ case LTTNG_EVENT_PROBE:
+ return "probe";
+ case LTTNG_EVENT_FUNCTION:
+ return "function";
+ case LTTNG_EVENT_FUNCTION_ENTRY:
+ return "function entry";
+ case LTTNG_EVENT_SYSCALL:
+ return "syscall";
+ default:
+ return "";
+ }
+}
+
/* Mi print a partial event.
* enabled is 0 or 1
* success is 0 or 1
*/
-static int mi_print_event(char *event_name, int enabled, int success)
+static int mi_print_event(const char *event_name, int enabled, int success)
{
int ret;
} else if (opt_python) {
dom.type = LTTNG_DOMAIN_PYTHON;
} else {
- print_missing_domain();
- ret = CMD_ERROR;
- goto error;
+ /* Checked by the caller. */
+ assert(0);
}
channel_name = opt_channel_name;
/* Set default loglevel to any/unknown */
event.loglevel = -1;
- switch (opt_event_type) {
- case LTTNG_EVENT_SYSCALL:
- event.type = LTTNG_EVENT_SYSCALL;
- break;
- default:
- event.type = LTTNG_EVENT_ALL;
- break;
- }
+ /* opt_event_type contain the event type to disable at this point */
+ event.type = opt_event_type;
if (opt_disable_all) {
command_ret = lttng_disable_event_ext(handle, &event, channel_name, NULL);
} else {
enabled = 0;
success = 1;
- MSG("All %s %s are disabled in channel %s",
+ MSG("All %s events of type %s are disabled in channel %s",
get_domain_str(dom.type),
- opt_event_type == LTTNG_EVENT_SYSCALL ? "system calls" : "events",
+ print_event_type(opt_event_type),
print_channel_name(channel_name));
}
event.name[sizeof(event.name) - 1] = '\0';
command_ret = lttng_disable_event_ext(handle, &event, channel_name, NULL);
if (command_ret < 0) {
- ERR("%s %s: %s (channel %s, session %s)",
- opt_event_type == LTTNG_EVENT_SYSCALL ? "System call" : "Event",
+ ERR("%s of type %s : %s (channel %s, session %s)",
event_name,
+ print_event_type(opt_event_type),
lttng_strerror(command_ret),
command_ret == -LTTNG_ERR_NEED_CHANNEL_NAME
? print_raw_channel_name(channel_name)
*/
enabled = 1;
} else {
- MSG("%s %s %s disabled in channel %s for session %s",
+ MSG("%s %s of type %s disabled in channel %s for session %s",
get_domain_str(dom.type),
- opt_event_type == LTTNG_EVENT_SYSCALL ? "system call" : "event",
event_name,
+ print_event_type(opt_event_type),
print_channel_name(channel_name),
session_name);
success = 1;
int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1;
static poptContext pc;
char *session_name = NULL;
+ const char *leftover = NULL;
int event_type = -1;
pc = poptGetContext(NULL, argc, argv, long_options, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
- usage(stdout);
+ SHOW_HELP();
goto end;
- case OPT_USERSPACE:
- opt_userspace = 1;
- break;
- case OPT_SYSCALL:
+ case OPT_TYPE_SYSCALL:
opt_event_type = LTTNG_EVENT_SYSCALL;
break;
+ case OPT_TYPE_TRACEPOINT:
+ opt_event_type = LTTNG_EVENT_TRACEPOINT;
+ break;
+ case OPT_TYPE_PROBE:
+ opt_event_type = LTTNG_EVENT_PROBE;
+ break;
+ case OPT_TYPE_FUNCTION:
+ opt_event_type = LTTNG_EVENT_FUNCTION;
+ break;
+ case OPT_TYPE_ALL:
+ opt_event_type = LTTNG_EVENT_ALL;
+ break;
case OPT_LIST_OPTIONS:
list_cmd_options(stdout, long_options);
goto end;
default:
- usage(stderr);
ret = CMD_UNDEFINED;
goto end;
}
}
}
+ ret = print_missing_or_multiple_domains(
+ opt_kernel + opt_userspace + opt_jul + opt_log4j +
+ opt_python,
+ true);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ /* Ust and agent only support ALL event type */
+ if ((opt_userspace || opt_jul || opt_log4j || opt_python)
+ && opt_event_type != LTTNG_EVENT_ALL) {
+ ERR("Disabling userspace and agent (-j | -l | -p) event(s) based on instrumentation type is not supported.\n");
+ ret = CMD_ERROR;
+ goto end;
+ }
+
opt_event_list = (char*) poptGetArg(pc);
if (opt_event_list == NULL && opt_disable_all == 0) {
ERR("Missing event name(s).\n");
- usage(stderr);
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ ERR("Unknown argument: %s", leftover);
ret = CMD_ERROR;
goto end;
}
ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL;
}
- /* Overwrite ret if an error occured in disable_events */
+ /* Overwrite ret if an error occurred in disable_events */
ret = command_ret ? command_ret : ret;
poptFreeContext(pc);