static int opt_kernel;
static char *opt_session_name;
static int opt_userspace;
+static int opt_jul;
static int opt_enable_all;
static char *opt_probe;
static char *opt_function;
{"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0},
{"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
{"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
+ {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0},
{"tracepoint", 0, POPT_ARG_NONE, 0, OPT_TRACEPOINT, 0, 0},
{"probe", 0, POPT_ARG_STRING, &opt_probe, OPT_PROBE, 0, 0},
{"function", 0, POPT_ARG_STRING, &opt_function, OPT_FUNCTION, 0, 0},
fprintf(ofp, " -a, --all Enable all tracepoints and syscalls\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");
fprintf(ofp, "Event options:\n");
fprintf(ofp, " --tracepoint Tracepoint event (default)\n");
fprintf(ofp, " e.g.:\n");
fprintf(ofp, " \"*\"\n");
fprintf(ofp, " \"app_component:na*\"\n");
- fprintf(ofp, " --probe [addr | symbol | symbol+offset]\n");
+ fprintf(ofp, " --probe (addr | symbol | symbol+offset)\n");
fprintf(ofp, " Dynamic probe.\n");
fprintf(ofp, " Addr and offset can be octal (0NNN...),\n");
fprintf(ofp, " decimal (NNN...) or hexadecimal (0xNNN...)\n");
- fprintf(ofp, " --function [addr | symbol | symbol+offset]\n");
+ fprintf(ofp, " --function (addr | symbol | symbol+offset)\n");
fprintf(ofp, " Dynamic function entry/return probe.\n");
fprintf(ofp, " Addr and offset can be octal (0NNN...),\n");
fprintf(ofp, " decimal (NNN...) or hexadecimal (0xNNN...)\n");
fprintf(ofp, " TRACE_DEBUG_LINE = 13\n");
fprintf(ofp, " TRACE_DEBUG = 14\n");
fprintf(ofp, " (shortcuts such as \"system\" are allowed)\n");
- fprintf(ofp, " --filter \'expression\'\n");
+ fprintf(ofp, " -f, --filter \'expression\'\n");
fprintf(ofp, " Filter expression on event fields and context.\n");
fprintf(ofp, " Event recording depends on evaluation.\n");
fprintf(ofp, " Only specify on first activation of\n");
fprintf(ofp, " Expression examples:.\n");
fprintf(ofp, " \n");
fprintf(ofp, " 'intfield > 500 && intfield < 503'\n");
- fprintf(ofp, " '(stringfield == \"test\" || intfield != 10) && intfield > 33'\n");
+ fprintf(ofp, " '(strfield == \"test\" || intfield != 10) && intfield > 33'\n");
fprintf(ofp, " 'doublefield > 1.1 && intfield < 5.3'\n");
fprintf(ofp, " \n");
fprintf(ofp, " Wildcards are allowed at the end of strings:\n");
}
}
+static
+const char *print_channel_name(const char *name)
+{
+ return name ? : DEFAULT_CHANNEL_NAME;
+}
+
+static
+const char *print_raw_channel_name(const char *name)
+{
+ return name ? : "<default>";
+}
+
/*
* Enabling event using the lttng API.
*/
static int enable_events(char *session_name)
{
- int err, ret = CMD_SUCCESS, warn = 0;
+ int ret = CMD_SUCCESS, warn = 0;
char *event_name, *channel_name = NULL;
struct lttng_event ev;
struct lttng_domain dom;
} else if (opt_userspace) {
dom.type = LTTNG_DOMAIN_UST;
/* Default. */
- dom.buf_type = LTTNG_BUFFER_PER_PID;
+ dom.buf_type = LTTNG_BUFFER_PER_UID;
+ } else if (opt_jul) {
+ dom.type = LTTNG_DOMAIN_JUL;
+ /* Default. */
+ dom.buf_type = LTTNG_BUFFER_PER_UID;
} else {
- ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
+ print_missing_domain();
ret = CMD_ERROR;
goto error;
}
- if (opt_channel_name == NULL) {
- err = asprintf(&channel_name, DEFAULT_CHANNEL_NAME);
- if (err < 0) {
- ret = CMD_FATAL;
- goto error;
- }
- } else {
- channel_name = opt_channel_name;
- }
+ channel_name = opt_channel_name;
handle = lttng_create_handle(session_name, &dom);
if (handle == NULL) {
switch (-ret) {
case LTTNG_ERR_KERN_EVENT_EXIST:
WARN("Kernel events already enabled (channel %s, session %s)",
- channel_name, session_name);
+ print_channel_name(channel_name), session_name);
break;
default:
ERR("Events: %s (channel %s, session %s)",
- lttng_strerror(ret), channel_name, session_name);
+ lttng_strerror(ret),
+ ret == -LTTNG_ERR_NEED_CHANNEL_NAME
+ ? print_raw_channel_name(channel_name)
+ : print_channel_name(channel_name),
+ session_name);
break;
}
goto end;
case LTTNG_EVENT_TRACEPOINT:
if (opt_loglevel) {
MSG("All %s tracepoints are enabled in channel %s for loglevel %s",
- opt_kernel ? "kernel" : "UST", channel_name,
+ get_domain_str(dom.type),
+ print_channel_name(channel_name),
opt_loglevel);
} else {
MSG("All %s tracepoints are enabled in channel %s",
- opt_kernel ? "kernel" : "UST", channel_name);
+ get_domain_str(dom.type),
+ print_channel_name(channel_name));
}
break;
case LTTNG_EVENT_SYSCALL:
if (opt_kernel) {
MSG("All kernel system calls are enabled in channel %s",
- channel_name);
+ print_channel_name(channel_name));
}
break;
case LTTNG_EVENT_ALL:
if (opt_loglevel) {
MSG("All %s events are enabled in channel %s for loglevel %s",
- opt_kernel ? "kernel" : "UST", channel_name,
+ get_domain_str(dom.type),
+ print_channel_name(channel_name),
opt_loglevel);
} else {
MSG("All %s events are enabled in channel %s",
- opt_kernel ? "kernel" : "UST", channel_name);
+ get_domain_str(dom.type),
+ print_channel_name(channel_name));
}
break;
default:
if (ret < 0) {
switch (-ret) {
case LTTNG_ERR_FILTER_EXIST:
- WARN("Filter on events is already enabled"
+ WARN("Filter on all events is already enabled"
" (channel %s, session %s)",
- channel_name, session_name);
+ print_channel_name(channel_name), session_name);
break;
- case LTTNG_ERR_FILTER_INVAL:
- case LTTNG_ERR_FILTER_NOMEM:
default:
- ERR("%s", lttng_strerror(ret));
+ ERR("All events: %s (channel %s, session %s, filter \'%s\')",
+ lttng_strerror(ret),
+ ret == -LTTNG_ERR_NEED_CHANNEL_NAME
+ ? print_raw_channel_name(channel_name)
+ : print_channel_name(channel_name),
+ session_name, opt_filter);
break;
}
goto error;
/* Kernel tracer action */
if (opt_kernel) {
DBG("Enabling kernel event %s for channel %s",
- event_name, channel_name);
+ event_name,
+ print_channel_name(channel_name));
switch (opt_event_type) {
case LTTNG_EVENT_ALL: /* Default behavior is tracepoint */
#endif
DBG("Enabling UST event %s for channel %s, loglevel %s", event_name,
- channel_name, opt_loglevel ? : "<all>");
+ print_channel_name(channel_name), opt_loglevel ? : "<all>");
switch (opt_event_type) {
case LTTNG_EVENT_ALL: /* Default behavior is tracepoint */
} else {
ev.loglevel = -1;
}
+ } else if (opt_jul) {
+ if (opt_event_type != LTTNG_EVENT_ALL &&
+ opt_event_type != LTTNG_EVENT_TRACEPOINT) {
+ ERR("Event type not supported for JUL domain.");
+ ret = CMD_UNSUPPORTED;
+ goto error;
+ }
+ ev.type = LTTNG_EVENT_TRACEPOINT;
+ strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN);
+ ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
} else {
- ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
+ print_missing_domain();
ret = CMD_ERROR;
goto error;
}
switch (-ret) {
case LTTNG_ERR_KERN_EVENT_EXIST:
WARN("Kernel event %s already enabled (channel %s, session %s)",
- event_name, channel_name, session_name);
+ event_name,
+ print_channel_name(channel_name), session_name);
break;
default:
ERR("Event %s: %s (channel %s, session %s)", event_name,
- lttng_strerror(ret), channel_name, session_name);
+ lttng_strerror(ret),
+ ret == -LTTNG_ERR_NEED_CHANNEL_NAME
+ ? print_raw_channel_name(channel_name)
+ : print_channel_name(channel_name),
+ session_name);
break;
}
warn = 1;
} else {
MSG("%s event %s created in channel %s",
- opt_kernel ? "kernel": "UST", event_name, channel_name);
+ get_domain_str(dom.type), event_name,
+ print_channel_name(channel_name));
}
}
case LTTNG_ERR_FILTER_EXIST:
WARN("Filter on event %s is already enabled"
" (channel %s, session %s)",
- event_name, channel_name, session_name);
+ event_name,
+ print_channel_name(channel_name), session_name);
break;
- case LTTNG_ERR_FILTER_INVAL:
- case LTTNG_ERR_FILTER_NOMEM:
- ERR("%s", lttng_strerror(ret));
default:
- ERR("Setting filter for event %s: '%s'", ev.name,
- opt_filter);
+ ERR("Event %s: %s (channel %s, session %s, filter \'%s\')", ev.name,
+ lttng_strerror(ret),
+ ret == -LTTNG_ERR_NEED_CHANNEL_NAME
+ ? print_raw_channel_name(channel_name)
+ : print_channel_name(channel_name),
+ session_name, opt_filter);
break;
}
goto error;
if (warn) {
ret = CMD_WARNING;
}
- if (opt_channel_name == NULL) {
- free(channel_name);
- }
lttng_destroy_handle(handle);
return ret;