* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <popt.h>
#include <stdio.h>
#include <stdlib.h>
static int opt_userspace;
static int opt_disable_all;
static int opt_jul;
-#if 0
-/* Not implemented yet */
-static char *opt_cmd_name;
-static pid_t opt_pid;
+static int opt_log4j;
+static int opt_python;
+static int opt_event_type;
+
+#ifdef LTTNG_EMBED_HELP
+static const char help_msg[] =
+#include <lttng-disable-event.1.h>
+;
#endif
enum {
OPT_HELP = 1,
- OPT_USERSPACE,
+ OPT_TYPE_SYSCALL,
+ OPT_TYPE_TRACEPOINT,
+ OPT_TYPE_PROBE,
+ OPT_TYPE_FUNCTION,
+ OPT_TYPE_ALL,
OPT_LIST_OPTIONS,
};
{"all-events", 'a', POPT_ARG_VAL, &opt_disable_all, 1, 0, 0},
{"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 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},
{"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 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
+ {"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, "\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
int enabled = 1, success = 1;
char *event_name, *channel_name = NULL;
struct lttng_domain dom;
+ struct lttng_event event;
memset(&dom, 0, sizeof(dom));
dom.type = LTTNG_DOMAIN_UST;
} else if (opt_jul) {
dom.type = LTTNG_DOMAIN_JUL;
+ } else if (opt_log4j) {
+ dom.type = LTTNG_DOMAIN_LOG4J;
+ } 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;
}
}
+ memset(&event, 0, sizeof(event));
+ /* Set default loglevel to any/unknown */
+ event.loglevel = -1;
+
+ /* 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(handle, NULL, channel_name);
+ command_ret = lttng_disable_event_ext(handle, &event, channel_name, NULL);
if (command_ret < 0) {
ERR("%s", lttng_strerror(command_ret));
enabled = 1;
} else {
enabled = 0;
success = 1;
- MSG("All %s events are disabled in channel %s",
- get_domain_str(dom.type), print_channel_name(channel_name));
+ MSG("All %s events of type %s are disabled in channel %s",
+ get_domain_str(dom.type),
+ print_event_type(opt_event_type),
+ print_channel_name(channel_name));
}
if (lttng_opt_mi) {
while (event_name != NULL) {
DBG("Disabling event %s", event_name);
- command_ret = lttng_disable_event(handle, event_name, channel_name);
+ strncpy(event.name, event_name, sizeof(event.name));
+ event.name[sizeof(event.name) - 1] = '\0';
+ command_ret = lttng_disable_event_ext(handle, &event, channel_name, NULL);
if (command_ret < 0) {
- ERR("Event %s: %s (channel %s, session %s)", event_name,
+ 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)
warn = 1;
success = 0;
/*
- * If an error occurred we assume that
- * the event is still enabled.
+ * If an error occurred we assume that the event is still
+ * enabled.
*/
enabled = 1;
} else {
- MSG("%s event %s disabled in channel %s for session %s",
- get_domain_str(dom.type), event_name,
+ MSG("%s %s of type %s disabled in channel %s for session %s",
+ get_domain_str(dom.type),
+ 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;
+ int event_type = -1;
pc = poptGetContext(NULL, argc, argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
+ /* Default event type */
+ opt_event_type = LTTNG_EVENT_ALL;
+
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
- usage(stdout);
+ SHOW_HELP();
goto end;
- case OPT_USERSPACE:
- opt_userspace = 1;
+ 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;
}
+
+ /* Validate event type. Multiple event type are not supported. */
+ if (event_type == -1) {
+ event_type = opt_event_type;
+ } else {
+ if (event_type != opt_event_type) {
+ ERR("Multiple event type not supported.");
+ ret = CMD_ERROR;
+ goto end;
+ }
+ }
+ }
+
+ ret = print_missing_or_multiple_domains(
+ opt_kernel + opt_userspace + opt_jul + opt_log4j + opt_python);
+ 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;
}
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);