X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Flist.c;h=44a4c44a364efaa9038984a867000419f94ce519;hb=4e1b4b38b8746c555e047954a67208cceb486acf;hp=7c3211a5927ffc2c34a0f3f5e72528be8c8c4575;hpb=0e1155633b00241b8b1e5a9bb683cf91b28f5eeb;p=lttng-tools.git

diff --git a/src/bin/lttng/commands/list.c b/src/bin/lttng/commands/list.c
index 7c3211a59..44a4c44a3 100644
--- a/src/bin/lttng/commands/list.c
+++ b/src/bin/lttng/commands/list.c
@@ -16,6 +16,7 @@
  */
 
 #define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <inttypes.h>
 #include <popt.h>
 #include <stdio.h>
@@ -128,14 +129,14 @@ static char *get_cmdline_by_pid(pid_t pid)
 	}
 
 	/* Caller must free() *cmdline */
-	cmdline = malloc(PATH_MAX);
+	cmdline = zmalloc(PATH_MAX);
 	if (!cmdline) {
-		perror("malloc cmdline");
+		PERROR("malloc cmdline");
 		goto end;
 	}
 	ret = fread(cmdline, 1, PATH_MAX, fp);
 	if (ret < 0) {
-		perror("fread proc list");
+		PERROR("fread proc list");
 	}
 
 end:
@@ -1207,7 +1208,7 @@ static int list_channels(const char *channel_name)
 		}
 	} else {
 		/* Pretty print */
-		if (channel_name == NULL) {
+		if (count) {
 			MSG("Channels:\n-------------");
 		}
 
@@ -1245,6 +1246,36 @@ error_channels:
 	return ret;
 }
 
+/*
+ * List tracker PID(s) of session and domain.
+ */
+static int list_tracker_pids(void)
+{
+	int enabled, ret;
+	int *pids = NULL;
+	size_t nr_pids;
+
+	ret = lttng_list_tracker_pids(handle,
+		&enabled, &pids, &nr_pids);
+	if (ret) {
+		return ret;
+	}
+	if (enabled) {
+		int i;
+		_MSG("PID tracker: [");
+
+		for (i = 0; i < nr_pids; i++) {
+			if (i) {
+				_MSG(",");
+			}
+			_MSG(" %d", pids[i]);
+		}
+		_MSG(" ]\n\n");
+	}
+	free(pids);
+	return 0;
+}
+
 /*
  * Machine interface
  * Find the session with session_name as name
@@ -1377,8 +1408,11 @@ static int list_sessions(const char *session_name)
 						active_string(sessions[i].enabled),
 						snapshot_string(sessions[i].snapshot_mode));
 				MSG("%sTrace path: %s", indent4, sessions[i].path);
-				MSG("%sLive timer interval (usec): %u\n", indent4,
-						sessions[i].live_timer_interval);
+				if (sessions[i].live_timer_interval != 0) {
+					MSG("%sLive timer interval (usec): %u", indent4,
+							sessions[i].live_timer_interval);
+				}
+				MSG("");
 			}
 		}
 
@@ -1666,6 +1700,11 @@ int cmd_list(int argc, const char **argv)
 
 			}
 
+			ret = list_tracker_pids();
+			if (ret) {
+				goto end;
+			}
+
 			ret = list_channels(opt_channel);
 			if (ret) {
 				goto end;
@@ -1753,6 +1792,18 @@ int cmd_list(int argc, const char **argv)
 					continue;
 				}
 
+				switch (domains[i].type) {
+				case LTTNG_DOMAIN_KERNEL:
+				case LTTNG_DOMAIN_UST:
+					ret = list_tracker_pids();
+					if (ret) {
+						goto end;
+					}
+					break;
+				default:
+					break;
+				}
+
 				ret = list_channels(opt_channel);
 				if (ret) {
 					goto end;