X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fenable_events.c;h=747e5dd802fc63c11b9e83d2b726f9ee9bb558b8;hp=70caf6fbbedc9a846c67599530e471b7b35217e9;hb=8ff0bbd0a1d80262d931896bf4efe60bd6dba70a;hpb=6e2d116c6138874c0357b1afb1db5aa7cd80ceb6

diff --git a/lttng/commands/enable_events.c b/lttng/commands/enable_events.c
index 70caf6fbb..747e5dd80 100644
--- a/lttng/commands/enable_events.c
+++ b/lttng/commands/enable_events.c
@@ -24,6 +24,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include <inttypes.h>
 
 #include "../cmd.h"
 #include "../conf.h"
@@ -38,7 +39,7 @@ static int opt_pid_all;
 static int opt_userspace;
 static int opt_enable_all;
 static pid_t opt_pid;
-static char *opt_kprobe;
+static char *opt_probe;
 static char *opt_function_symbol;
 static char *opt_channel_name;
 
@@ -47,7 +48,7 @@ enum {
 	OPT_USERSPACE,
 	OPT_TRACEPOINT,
 	OPT_MARKER,
-	OPT_KPROBE,
+	OPT_PROBE,
 	OPT_FUNCTION,
 };
 
@@ -63,7 +64,7 @@ static struct poptOption long_options[] = {
 	{"pid",            'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
 	{"tracepoint",     0,   POPT_ARG_NONE, 0, OPT_TRACEPOINT, 0, 0},
 	{"marker",         0,   POPT_ARG_NONE, 0, OPT_MARKER, 0, 0},
-	{"kprobe",         0,   POPT_ARG_STRING, 0, OPT_KPROBE, 0, 0},
+	{"probe",         0,   POPT_ARG_STRING, 0, OPT_PROBE, 0, 0},
 	{"function",       0,   POPT_ARG_STRING, 0, OPT_FUNCTION, 0, 0},
 	{0, 0, 0, 0, 0, 0, 0}
 };
@@ -86,22 +87,24 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "\n");
 	fprintf(ofp, "Event options:\n");
 	fprintf(ofp, "    --tracepoint           Tracepoint event (default)\n");
-	fprintf(ofp, "    --kprobe [addr | symbol+offset]\n");
-	fprintf(ofp, "                           Kernel Kprobe. (addr or offset can be base 8,10 and 16)\n");
+	fprintf(ofp, "    --probe [addr | 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 SYMBOL      Function tracer event\n");
 	fprintf(ofp, "    --marker               User-space marker (deprecated)\n");
 	fprintf(ofp, "\n");
 }
 
 /*
- *  parse_kprobe_addr
+ *  parse_probe_addr
  *
- *  Parse kprobe options.
+ *  Parse probe options.
  */
-static int parse_kprobe_opts(struct lttng_event *ev, char *opt)
+static int parse_probe_opts(struct lttng_event *ev, char *opt)
 {
 	int ret;
-	uint64_t hex;
+	char s_hex[19];
 	char name[LTTNG_SYMBOL_NAME_LEN];
 
 	if (opt == NULL) {
@@ -110,30 +113,30 @@ static int parse_kprobe_opts(struct lttng_event *ev, char *opt)
 	}
 
 	/* Check for symbol+offset */
-	ret = sscanf(opt, "%[^'+']+%li", name, &hex);
+	ret = sscanf(opt, "%[^'+']+%s", name, s_hex);
 	if (ret == 2) {
 		strncpy(ev->attr.probe.symbol_name, name, LTTNG_SYMBOL_NAME_LEN);
-		DBG("kprobe symbol %s", ev->attr.probe.symbol_name);
-		if (hex == 0) {
-			ERR("Invalid kprobe offset %lu", hex);
+		DBG("probe symbol %s", ev->attr.probe.symbol_name);
+		if (strlen(s_hex) == 0) {
+			ERR("Invalid probe offset %s", s_hex);
 			ret = -1;
 			goto error;
 		}
-		ev->attr.probe.offset = hex;
-		DBG("kprobe offset %lu", ev->attr.probe.offset);
+		ev->attr.probe.offset = strtoul(s_hex, NULL, 0);
+		DBG("probe offset %" PRIu64, ev->attr.probe.offset);
 		goto error;
 	}
 
 	/* Check for address */
-	ret = sscanf(opt, "%li", &hex);
+	ret = sscanf(opt, "%s", s_hex);
 	if (ret > 0) {
-		if (hex == 0) {
-			ERR("Invalid kprobe address %lu", hex);
+		if (strlen(s_hex) == 0) {
+			ERR("Invalid probe address %s", s_hex);
 			ret = -1;
 			goto error;
 		}
-		ev->attr.probe.addr = hex;
-		DBG("kprobe addr %lu", ev->attr.probe.addr);
+		ev->attr.probe.addr = strtoul(s_hex, NULL, 0);
+		DBG("probe addr %" PRIu64, ev->attr.probe.addr);
 		goto error;
 	}
 
@@ -203,9 +206,9 @@ static int enable_events(void)
 			case LTTNG_EVENT_TRACEPOINT:
 				break;
 			case LTTNG_EVENT_PROBE:
-				ret = parse_kprobe_opts(&ev, opt_kprobe);
+				ret = parse_probe_opts(&ev, opt_probe);
 				if (ret < 0) {
-					ERR("Unable to parse kprobe options");
+					ERR("Unable to parse probe options");
 					ret = 0;
 					goto error;
 				}
@@ -221,8 +224,6 @@ static int enable_events(void)
 			ret = lttng_enable_event(&dom, &ev, channel_name);
 			if (ret == 0) {
 				MSG("Kernel event %s created in channel %s", event_name, channel_name);
-			} else if (ret < 0) {
-				ERR("Unable to find event %s", ev.name);
 			}
 		} else if (opt_userspace) {		/* User-space tracer action */
 			/*
@@ -281,9 +282,9 @@ int cmd_enable_events(int argc, const char **argv)
 		case OPT_MARKER:
 			ret = CMD_NOT_IMPLEMENTED;
 			goto end;
-		case OPT_KPROBE:
+		case OPT_PROBE:
 			opt_event_type = LTTNG_EVENT_PROBE;
-			opt_kprobe = poptGetOptArg(pc);
+			opt_probe = poptGetOptArg(pc);
 			break;
 		case OPT_FUNCTION:
 			opt_event_type = LTTNG_EVENT_FUNCTION;