1 files changed, 176 insertions, 0 deletions
diff --git a/tracecmd/trace-cmd.c b/tracecmd/trace-cmd.c
new file mode 100644
index 00000000..69800d26
--- /dev/null
+++ b/tracecmd/trace-cmd.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2008, 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
+ *
+ */
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/syscall.h>
+
+#include "trace-local.h"
+
+int silence_warnings;
+int show_status;
+
+#ifndef gettid
+#define gettid() syscall(__NR_gettid)
+#endif
+
+void warning(const char *fmt, ...)
+{
+	va_list ap;
+
+	if (silence_warnings)
+		return;
+
+	if (errno)
+		perror("trace-cmd");
+	errno = 0;
+
+	va_start(ap, fmt);
+	fprintf(stderr, "  ");
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	fprintf(stderr, "\n");
+}
+
+void *malloc_or_die(unsigned int size)
+{
+	void *data;
+
+	data = malloc(size);
+	if (!data)
+		die("malloc");
+	return data;
+}
+
+void tracecmd_debug(const char *fmt, ...)
+{
+	va_list ap;
+
+	if (!tracecmd_get_debug())
+		return;
+
+	va_start(ap, fmt);
+	printf("[%d] ", (int)gettid());
+	vprintf(fmt, ap);
+	va_end(ap);
+}
+
+static struct trace_log_severity {
+	int		id;
+	const char	*name;
+} log_severity[] = {
+	{ .id = TEP_LOG_NONE, .name = "none" },
+	{ .id = TEP_LOG_CRITICAL, .name = "crit" },
+	{ .id = TEP_LOG_ERROR, .name = "err" },
+	{ .id = TEP_LOG_WARNING, .name = "warn" },
+	{ .id = TEP_LOG_INFO, .name = "info" },
+	{ .id = TEP_LOG_DEBUG, .name = "debug" },
+	{ .id = TEP_LOG_ALL, .name = "all" },
+};
+
+int trace_set_verbose(char *level)
+{
+	int id;
+
+	/* Default level is info */
+	if (!level)
+		level = "info";
+
+	if (isdigit(level[0])) {
+		id = atoi(level);
+		if (id >= TEP_LOG_NONE) {
+			if (id > TEP_LOG_ALL)
+				id = TEP_LOG_ALL;
+			tracecmd_set_loglevel(id);
+			return 0;
+		}
+	} else {
+		int size = ARRAY_SIZE(log_severity);
+		int i;
+
+		for (i = 0; i < size; i++) {
+			if (!strncmp(level, log_severity[i].name, strlen(log_severity[i].name))) {
+				tracecmd_set_loglevel(log_severity[i].id);
+				return 0;
+			}
+		}
+	}
+
+	return -1;
+}
+
+/**
+ * struct command
+ * @name command name
+ * @run function to execute on command `name`
+ */
+struct command {
+	char *name;
+	void (*run)(int argc, char **argv);
+};
+
+
+/**
+ * Lookup table that maps command names to functions
+ */
+struct command commands[] = {
+	{"report", trace_report},
+	{"snapshot", trace_snapshot},
+	{"hist", trace_hist},
+	{"mem", trace_mem},
+	{"listen", trace_listen},
+	{"agent", trace_agent},
+	{"setup-guest", trace_setup_guest},
+	{"split", trace_split},
+	{"restore", trace_restore},
+	{"stack", trace_stack},
+	{"check-events", trace_check_events},
+	{"record", trace_record},
+	{"start", trace_start},
+	{"set", trace_set},
+	{"extract", trace_extract},
+	{"stop", trace_stop},
+	{"stream", trace_stream},
+	{"profile", trace_profile},
+	{"restart", trace_restart},
+	{"clear", trace_clear},
+	{"reset", trace_reset},
+	{"stat", trace_stat},
+	{"options", trace_option},
+	{"show", trace_show},
+	{"list", trace_list},
+	{"help", trace_usage},
+	{"dump", trace_dump},
+	{"convert", trace_convert},
+	{"-h", trace_usage},
+};
+
+int main (int argc, char **argv)
+{
+	int i;
+
+	errno = 0;
+
+	if (argc < 2)
+		trace_usage(argc, argv);
+
+	for (i = 0; i < ARRAY_SIZE(commands); ++i) {
+		if (strcmp(argv[1], commands[i].name) == 0 ){
+			commands[i].run(argc, argv);
+			goto out;
+		}
+	}
+
+	/* No valid command found, show help */
+	trace_usage(argc, argv);
+out:
+	exit(0);
+}