X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fenable_events.c;h=0fa3e916c835b48e2d9228ac8c86ee1e0e4a5dcf;hp=3f30ab8ba5156449ee3dba7084f957bbf7027664;hb=dad47fc4c65ec0acbfedc676895833b465d25cd6;hpb=317eef9339f8620bf3d99972ba2a9196a36060db

diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
index 3f30ab8ba..0fa3e916c 100644
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -31,6 +31,8 @@
 
 static char *opt_event_list;
 static int opt_event_type;
+static const char *opt_loglevel;
+static int opt_loglevel_type;
 static int opt_kernel;
 static char *opt_session_name;
 static int opt_userspace;
@@ -53,7 +55,8 @@ enum {
 	OPT_FUNCTION_ENTRY,
 	OPT_SYSCALL,
 	OPT_USERSPACE,
-	OPT_TRACEPOINT_LOGLEVEL,
+	OPT_LOGLEVEL,
+	OPT_LOGLEVEL_ONLY,
 	OPT_LIST_OPTIONS,
 };
 
@@ -84,7 +87,8 @@ static struct poptOption long_options[] = {
 	{"function:entry", 0,   POPT_ARG_STRING, &opt_function_entry_symbol, OPT_FUNCTION_ENTRY, 0, 0},
 #endif
 	{"syscall",        0,   POPT_ARG_NONE, 0, OPT_SYSCALL, 0, 0},
-	{"loglevel",     0,     POPT_ARG_NONE, 0, OPT_TRACEPOINT_LOGLEVEL, 0, 0},
+	{"loglevel",       0,     POPT_ARG_STRING, 0, OPT_LOGLEVEL, 0, 0},
+	{"loglevel-only",  0,     POPT_ARG_STRING, 0, OPT_LOGLEVEL_ONLY, 0, 0},
 	{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
 	{0, 0, 0, 0, 0, 0, 0}
 };
@@ -118,7 +122,10 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "                             e.g.:\n");
 	fprintf(ofp, "                               \"*\"\n");
 	fprintf(ofp, "                               \"app_component:na*\"\n");
-	fprintf(ofp, "    --loglevel             Tracepoint loglevel\n");
+	fprintf(ofp, "    --loglevel name\n");
+	fprintf(ofp, "                           Tracepoint loglevel (range: 0 to loglevel)\n");
+	fprintf(ofp, "    --loglevel-only name\n");
+	fprintf(ofp, "                           Tracepoint loglevel (only this loglevel)\n");
 	fprintf(ofp, "    --probe [addr | symbol | symbol+offset]\n");
 	fprintf(ofp, "                           Dynamic probe.\n");
 	fprintf(ofp, "                           Addr and offset can be octal (0NNN...),\n");
@@ -333,6 +340,16 @@ static int enable_events(char *session_name)
 				ret = CMD_UNDEFINED;
 				goto error;
 			}
+
+			if (opt_loglevel[0] != '\0') {
+				MSG("Kernel loglevels are not supported.");
+				ret = CMD_UNDEFINED;
+				goto error;
+			}
+
+			/* kernel loglevels not implemented */
+			ev.loglevel_type = opt_loglevel_type;
+			ev.loglevel[0] = '\0';
 		} else if (opt_userspace) {		/* User-space tracer action */
 #if 0
 			if (opt_cmd_name != NULL || opt_pid) {
@@ -354,12 +371,6 @@ static int enable_events(char *session_name)
 				strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN);
 				ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
 				break;
-			case LTTNG_EVENT_TRACEPOINT_LOGLEVEL:
-				/* Copy name and type of the event */
-				ev.type = LTTNG_EVENT_TRACEPOINT_LOGLEVEL;
-				strncpy(ev.name, event_name, LTTNG_SYMBOL_NAME_LEN);
-				ev.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
-				break;
 			case LTTNG_EVENT_PROBE:
 			case LTTNG_EVENT_FUNCTION:
 			case LTTNG_EVENT_FUNCTION_ENTRY:
@@ -368,6 +379,10 @@ static int enable_events(char *session_name)
 				ret = CMD_UNDEFINED;
 				goto error;
 			}
+
+			ev.loglevel_type = opt_loglevel_type;
+			strncpy(ev.loglevel, opt_loglevel, LTTNG_SYMBOL_NAME_LEN);
+			ev.loglevel[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
 		} else {
 			ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
 			goto error;
@@ -432,8 +447,13 @@ int cmd_enable_events(int argc, const char **argv)
 		case OPT_USERSPACE:
 			opt_userspace = 1;
 			break;
-		case OPT_TRACEPOINT_LOGLEVEL:
-			opt_event_type = LTTNG_EVENT_TRACEPOINT_LOGLEVEL;
+		case OPT_LOGLEVEL:
+			opt_loglevel_type = LTTNG_EVENT_LOGLEVEL;
+			opt_loglevel = poptGetOptArg(pc);
+			break;
+		case OPT_LOGLEVEL_ONLY:
+			opt_loglevel_type = LTTNG_EVENT_LOGLEVEL_ONLY;
+			opt_loglevel = poptGetOptArg(pc);
 			break;
 		case OPT_LIST_OPTIONS:
 			list_cmd_options(stdout, long_options);