X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=ustctl%2Fchannel_cmds.c;fp=ustctl%2Fchannel_cmds.c;h=51f7d504a636e9b758cbd986f1fa94e121cdf9a0;hb=0c89df6cb75f1d967003137e7fc334af1128a42f;hp=0000000000000000000000000000000000000000;hpb=91594b712729c0d855efeab849c2093706336941;p=ust.git

diff --git a/ustctl/channel_cmds.c b/ustctl/channel_cmds.c
new file mode 100644
index 0000000..51f7d50
--- /dev/null
+++ b/ustctl/channel_cmds.c
@@ -0,0 +1,153 @@
+/* Copyright (C) 2011  Ericsson AB, Nils Carlson <nils.carlson@ericsson.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <ust/ustcmd.h>
+#include "scanning_functions.h"
+#include "usterr.h"
+#include "cli.h"
+
+static int set_subbuf_size(int argc, char *argv[])
+{
+	int result = 0;
+	pid_t pid;
+	char *channel = NULL;
+	unsigned int size;
+
+	pid = parse_pid(argv[1]);
+
+	if (scan_ch_and_num(argv[3], &channel, &size)) {
+		fprintf(stderr, "Failed to scan channel and size from"
+				" %s\n", argv[3]);
+		if (channel)
+			free(channel);
+		return -1;
+	}
+	if (ustcmd_set_subbuf_size(argv[2], channel, size, pid)) {
+		ERR("error while trying to set the size of subbuffers "
+		    "for PID %u\n",
+		    pid);
+		result = -1;
+	}
+
+	free(channel);
+
+	return result;
+}
+
+static int set_subbuf_num(int argc, char *argv[])
+{
+	int result = 0;
+	pid_t pid;
+	char *channel = NULL;
+	unsigned int num;
+
+	pid = parse_pid(argv[1]);
+
+	if (scan_ch_and_num(argv[3], &channel, &num)) {
+		fprintf(stderr, "Failed to scan channel and number from"
+				" %s\n", argv[3]);
+		if (channel)
+			free(channel);
+		return -1;
+	}
+	if (ustcmd_set_subbuf_num(argv[2], channel, num, pid)) {
+		ERR("error while trying to set the number of subbuffers for PID %u\n",
+		    pid);
+		result = -1;
+	}
+
+	free(channel);
+
+	return result;
+}
+
+static int get_subbuf_size(int argc, char *argv[])
+{
+	pid_t pid;
+	unsigned int size;
+
+	pid = parse_pid(argv[1]);
+
+	if ((size = ustcmd_get_subbuf_size(argv[2], argv[3], pid)) < 0) {
+		ERR("error while trying to get the subbuffer size from PID %u\n",
+		    pid);
+		return -1;
+	}
+
+	printf("The subbufer size is %d bytes\n", size);
+
+	return 0;
+}
+
+static int get_subbuf_num(int argc, char *argv[])
+{
+	pid_t pid;
+	unsigned int num;
+
+	pid = parse_pid(argv[1]);
+
+	if ((num = ustcmd_get_subbuf_num(argv[2], argv[3], pid)) < 0) {
+		ERR("error while trying to get the subbuffer size from PID %u\n",
+		    pid);
+		return -1;
+	}
+
+	printf("There are %u subbufers in each buffer\n", num);
+
+	return 0;
+}
+
+struct cli_cmd __cli_cmds channel_cmds[] = {
+	{
+		.name = "set-subbuf-size",
+		.description = "Set the subbuffer size for a channel",
+		.help_text = "set-subbuf-size <pid> <trace> <channel>/<size> \n"
+		"Set the subbuffer size for a channel\n",
+		.function = set_subbuf_size,
+		.desired_args = 3,
+		.desired_args_op = CLI_EQ,
+	},
+	{
+		.name = "set-subbuf-num",
+		.description = "Set the number of subbuffers for a channel",
+		.help_text = "set-subbuf-num <pid> <trace> <channel>/<num> \n"
+		"Set the number of subbuffers for a channel\n",
+		.function = set_subbuf_num,
+		.desired_args = 3,
+		.desired_args_op = CLI_EQ,
+	},
+	{
+		.name = "get-subbuf-size",
+		.description = "Get the subbuffer size for a channel",
+		.help_text = "get-subbuf-size <pid> <trace> <channel>\n"
+		"Get the subbuffer size for a channel\n",
+		.function = get_subbuf_size,
+		.desired_args = 3,
+		.desired_args_op = CLI_EQ,
+	},
+	{
+		.name = "get-subbuf-num",
+		.description = "Get the number of subbuffers for a channel",
+		.help_text = "get-subbuf-num <pid> <trace> <channel>\n"
+		"Get the number of subbuffers for a channel\n",
+		.function = get_subbuf_num,
+		.desired_args = 3,
+		.desired_args_op = CLI_EQ,
+	},
+};