*
* Babeltrace Trace Converter
*
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* all copies or substantial portions of the Software.
*/
+#define _GNU_SOURCE
+#include <config.h>
#include <babeltrace/babeltrace.h>
#include <babeltrace/format.h>
+#include <babeltrace/context.h>
+#include <babeltrace/ctf/types.h>
+#include <babeltrace/ctf/events.h>
+/* TODO: fix object model for format-agnostic callbacks */
+#include <babeltrace/ctf/events-internal.h>
+#include <babeltrace/ctf/iterator.h>
+#include <babeltrace/ctf-text/types.h>
+#include <babeltrace/iterator.h>
#include <popt.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <fts.h>
+#include <string.h>
+
+#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
-static char *opt_input_format;
-static char *opt_output_format;
+#define DEFAULT_FILE_ARRAY_SIZE 1
+static char *opt_input_format, *opt_output_format;
+/* Pointer into const argv */
+static const char *opt_input_format_arg, *opt_output_format_arg;
static const char *opt_input_path;
static const char *opt_output_path;
-int babeltrace_verbose, babeltrace_debug;
+static struct format *fmt_read;
+static
void strlower(char *str)
{
while (*str) {
OPT_LIST,
OPT_VERBOSE,
OPT_DEBUG,
+ OPT_NAMES,
+ OPT_FIELDS,
+ OPT_NO_DELTA,
+ OPT_CLOCK_OFFSET,
+ OPT_CLOCK_RAW,
+ OPT_CLOCK_SECONDS,
+ OPT_CLOCK_DATE,
+ OPT_CLOCK_GMT,
+ OPT_CLOCK_FORCE_CORRELATE,
};
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL },
- { "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL },
+ { "input-format", 'i', POPT_ARG_STRING, &opt_input_format_arg, OPT_NONE, NULL, NULL },
+ { "output-format", 'o', POPT_ARG_STRING, &opt_output_format_arg, OPT_NONE, NULL, NULL },
{ "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
{ "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
{ "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
{ "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
+ { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
+ { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
+ { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
+ { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
+ { "clock-raw", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_RAW, NULL, NULL },
+ { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
+ { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
+ { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
+ { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
{ NULL, 0, 0, NULL, 0, NULL, NULL },
};
static void usage(FILE *fp)
{
- fprintf(fp, "BabelTrace Trace Converter %u.%u\n\n",
- BABELTRACE_VERSION_MAJOR,
- BABELTRACE_VERSION_MINOR);
- fprintf(fp, "usage : babeltrace [OPTIONS] INPUT OUTPUT\n");
+ fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
+ fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
fprintf(fp, "\n");
- fprintf(fp, " INPUT Input trace path\n");
- fprintf(fp, " OUTPUT Output trace path\n");
+ fprintf(fp, " INPUT Input trace path\n");
+ fprintf(fp, " OUTPUT Output trace path (default: stdout)\n");
fprintf(fp, "\n");
- fprintf(fp, " -i, --input-format Input trace path\n");
- fprintf(fp, " -o, --output-format Input trace path\n");
+ fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
+ fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
fprintf(fp, "\n");
- fprintf(fp, " -h, --help This help message\n");
- fprintf(fp, " -l, --list List available formats\n");
- fprintf(fp, " -v, --verbose Verbose mode\n");
- fprintf(fp, " -d, --debug Debug mode\n");
+ fprintf(fp, " -h, --help This help message\n");
+ fprintf(fp, " -l, --list List available formats\n");
+ fprintf(fp, " -v, --verbose Verbose mode\n");
+ fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
+ fprintf(fp, " -d, --debug Debug mode\n");
+ fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
+ fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
+ fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
+ fprintf(fp, " (payload OR args OR arg)\n");
+ fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
+ fprintf(fp, " (default: payload,context)\n");
+ fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
+ fprintf(fp, " all, trace, trace:domain, trace:procname,\n");
+ fprintf(fp, " trace:vpid, loglevel.\n");
+ fprintf(fp, " --clock-raw Disregard internal clock offset (use raw value)\n");
+ fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
+ fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
+ fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
+ fprintf(fp, " --clock-date Print clock date\n");
+ fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
+ fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
+ fprintf(fp, " across traces.\n");
list_formats(fp);
fprintf(fp, "\n");
}
+static int get_names_args(poptContext *pc)
+{
+ char *str, *strlist, *strctx;
+
+ opt_payload_field_names = 0;
+ opt_context_field_names = 0;
+ strlist = (char *) poptGetOptArg(*pc);
+ if (!strlist) {
+ return -EINVAL;
+ }
+ str = strtok_r(strlist, ",", &strctx);
+ do {
+ if (!strcmp(str, "all"))
+ opt_all_field_names = 1;
+ else if (!strcmp(str, "scope"))
+ opt_scope_field_names = 1;
+ else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
+ opt_context_field_names = 1;
+ else if (!strcmp(str, "header"))
+ opt_header_field_names = 1;
+ else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
+ opt_payload_field_names = 1;
+ else if (!strcmp(str, "none")) {
+ opt_all_field_names = 0;
+ opt_scope_field_names = 0;
+ opt_context_field_names = 0;
+ opt_header_field_names = 0;
+ opt_payload_field_names = 0;
+ } else {
+ fprintf(stderr, "[error] unknown field name type %s\n", str);
+ return -EINVAL;
+ }
+ } while ((str = strtok_r(NULL, ",", &strctx)));
+ return 0;
+}
+
+static int get_fields_args(poptContext *pc)
+{
+ char *str, *strlist, *strctx;
+
+ strlist = (char *) poptGetOptArg(*pc);
+ if (!strlist) {
+ return -EINVAL;
+ }
+ str = strtok_r(strlist, ",", &strctx);
+ do {
+ if (!strcmp(str, "all"))
+ opt_all_fields = 1;
+ else if (!strcmp(str, "trace"))
+ opt_trace_field = 1;
+ else if (!strcmp(str, "trace:domain"))
+ opt_trace_domain_field = 1;
+ else if (!strcmp(str, "trace:procname"))
+ opt_trace_procname_field = 1;
+ else if (!strcmp(str, "trace:vpid"))
+ opt_trace_vpid_field = 1;
+ else if (!strcmp(str, "loglevel"))
+ opt_loglevel_field = 1;
+ else {
+ fprintf(stderr, "[error] unknown field type %s\n", str);
+ return -EINVAL;
+ }
+ } while ((str = strtok_r(NULL, ",", &strctx)));
+ return 0;
+}
+
/*
* Return 0 if caller should continue, < 0 if caller should return
* error, > 0 if caller should exit without reporting error.
pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
+ /* set default */
+ opt_context_field_names = 1;
+ opt_payload_field_names = 1;
+
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
case OPT_VERBOSE:
babeltrace_verbose = 1;
break;
+ case OPT_NAMES:
+ if (get_names_args(&pc)) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
+ case OPT_FIELDS:
+ if (get_fields_args(&pc)) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
case OPT_DEBUG:
babeltrace_debug = 1;
break;
+ case OPT_NO_DELTA:
+ opt_delta_field = 0;
+ break;
+ case OPT_CLOCK_RAW:
+ opt_clock_raw = 1;
+ break;
+ case OPT_CLOCK_OFFSET:
+ {
+ char *str, *endptr;
+
+ str = poptGetOptArg(pc);
+ if (!str) {
+ fprintf(stderr, "[error] Missing --clock-offset argument\n");
+ ret = -EINVAL;
+ goto end;
+ }
+ errno = 0;
+ opt_clock_offset = strtoull(str, &endptr, 0);
+ if (*endptr != '\0' || str == endptr || errno != 0) {
+ fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
+ }
+ case OPT_CLOCK_SECONDS:
+ opt_clock_seconds = 1;
+ break;
+ case OPT_CLOCK_DATE:
+ opt_clock_date = 1;
+ break;
+ case OPT_CLOCK_GMT:
+ opt_clock_gmt = 1;
+ break;
+ case OPT_CLOCK_FORCE_CORRELATE:
+ opt_clock_force_correlate = 1;
+ break;
+
default:
ret = -EINVAL;
goto end;
goto end;
}
opt_output_path = poptGetArg(pc);
- if (!opt_output_path) {
- ret = -EINVAL;
- goto end;
- }
+
end:
if (pc) {
poptFreeContext(pc);
return ret;
}
-int main(int argc, char **argv)
+
+/*
+ * bt_context_add_traces_recursive: Open a trace recursively
+ *
+ * Find each trace present in the subdirectory starting from the given
+ * path, and add them to the context. The packet_seek parameter can be
+ * NULL: this specify to use the default format packet_seek.
+ *
+ * Return: 0 on success, < 0 on failure, > 0 on partial failure.
+ * Unable to open toplevel: failure.
+ * Unable to open some subdirectory or file: warn and continue (partial
+ * failure);
+ */
+int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
+ const char *format_str,
+ void (*packet_seek)(struct stream_pos *pos,
+ size_t offset, int whence))
+{
+ FTS *tree;
+ FTSENT *node;
+ GArray *trace_ids;
+ char lpath[PATH_MAX];
+ char * const paths[2] = { lpath, NULL };
+ int ret = 0;
+
+ /*
+ * Need to copy path, because fts_open can change it.
+ * It is the pointer array, not the strings, that are constant.
+ */
+ strncpy(lpath, path, PATH_MAX);
+ lpath[PATH_MAX - 1] = '\0';
+
+ tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0);
+ if (tree == NULL) {
+ fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n",
+ path);
+ return -EINVAL;
+ }
+
+ trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
+
+ while ((node = fts_read(tree))) {
+ int dirfd, metafd;
+ int closeret;
+
+ if (!(node->fts_info & FTS_D))
+ continue;
+
+ dirfd = open(node->fts_accpath, 0);
+ if (dirfd < 0) {
+ fprintf(stderr, "[error] [Context] Unable to open trace "
+ "directory file descriptor.\n");
+ ret = 1; /* partial error */
+ goto error;
+ }
+ metafd = openat(dirfd, "metadata", O_RDONLY);
+ if (metafd < 0) {
+ closeret = close(dirfd);
+ if (closeret < 0) {
+ perror("close");
+ ret = -1; /* failure */
+ goto error;
+ }
+ continue;
+ } else {
+ int trace_id;
+
+ closeret = close(metafd);
+ if (closeret < 0) {
+ perror("close");
+ ret = -1; /* failure */
+ goto error;
+ }
+ closeret = close(dirfd);
+ if (closeret < 0) {
+ perror("close");
+ ret = -1; /* failure */
+ goto error;
+ }
+
+ trace_id = bt_context_add_trace(ctx,
+ node->fts_accpath, format_str,
+ packet_seek, NULL, NULL);
+ if (trace_id < 0) {
+ fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s "
+ "for reading.\n", node->fts_accpath, path);
+ /* Allow to skip erroneous traces. */
+ ret = 1; /* partial error */
+ continue;
+ }
+ g_array_append_val(trace_ids, trace_id);
+ }
+ }
+
+error:
+ /*
+ * Return an error if no trace can be opened.
+ */
+ if (trace_ids->len == 0) {
+ fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
+ ret = -ENOENT; /* failure */
+ }
+ g_array_free(trace_ids, TRUE);
+ return ret;
+}
+
+
+
+int convert_trace(struct trace_descriptor *td_write,
+ struct bt_context *ctx)
{
+ struct bt_ctf_iter *iter;
+ struct ctf_text_stream_pos *sout;
+ struct bt_iter_pos begin_pos;
+ struct bt_ctf_event *ctf_event;
int ret;
- struct format *fmt_read, *fmt_write;
- struct trace_descriptor *td_read, *td_write;
+
+ sout = container_of(td_write, struct ctf_text_stream_pos,
+ trace_descriptor);
+
+ begin_pos.type = BT_SEEK_BEGIN;
+ iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
+ if (!iter) {
+ ret = -1;
+ goto error_iter;
+ }
+ while ((ctf_event = bt_ctf_iter_read_event(iter))) {
+ ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
+ if (ret) {
+ fprintf(stderr, "[error] Writing event failed.\n");
+ goto end;
+ }
+ ret = bt_iter_next(bt_ctf_get_iter(iter));
+ if (ret < 0)
+ goto end;
+ }
+ ret = 0;
+
+end:
+ bt_ctf_iter_destroy(iter);
+error_iter:
+ return ret;
+}
+
+int main(int argc, char **argv)
+{
+ int ret, partial_error = 0;
+ struct format *fmt_write;
+ struct trace_descriptor *td_write;
+ struct bt_context *ctx;
ret = parse_options(argc, argv);
if (ret < 0) {
- fprintf(stdout, "Error parsing options.\n\n");
- usage(stdout);
+ fprintf(stderr, "Error parsing options.\n\n");
+ usage(stderr);
exit(EXIT_FAILURE);
} else if (ret > 0) {
exit(EXIT_SUCCESS);
printf_verbose("Verbose mode active.\n");
printf_debug("Debug mode active.\n");
- if (opt_input_format)
+ if (opt_input_format_arg) {
+ opt_input_format = strdup(opt_input_format_arg);
+ if (!opt_input_format) {
+ partial_error = 1;
+ goto end;
+ }
strlower(opt_input_format);
- if (opt_output_format)
+ }
+ if (opt_output_format) {
+ opt_output_format = strdup(opt_output_format_arg);
+ if (!opt_output_format) {
+ partial_error = 1;
+ goto end;
+ }
strlower(opt_output_format);
+ }
- printf_verbose("Converting from file: %s\n", opt_input_path);
+ printf_verbose("Converting from directory: %s\n", opt_input_path);
printf_verbose("Converting from format: %s\n",
- opt_input_format ? : "<autodetect>");
- printf_verbose("Converting to file: %s\n", opt_output_path);
+ opt_input_format ? : "ctf <default>");
+ printf_verbose("Converting to directory: %s\n",
+ opt_output_path ? : "<stdout>");
printf_verbose("Converting to format: %s\n",
- opt_output_format ? : "ctf");
+ opt_output_format ? : "text <default>");
if (!opt_input_format) {
- fprintf(stdout, "Error: input format autodetection not implemented yet.\n\n");
- usage(stdout);
- exit(EXIT_FAILURE);
+ opt_input_format = strdup("ctf");
+ if (!opt_input_format) {
+ partial_error = 1;
+ goto end;
+ }
+ }
+ if (!opt_output_format) {
+ opt_output_format = strdup("text");
+ if (!opt_output_format) {
+ partial_error = 1;
+ goto end;
+ }
}
fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
if (!fmt_read) {
- fprintf(stdout, "Error: format \"%s\" is not supported.\n\n",
+ fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
opt_input_format);
- exit(EXIT_FAILURE);
+ partial_error = 1;
+ goto end;
}
- if (!opt_output_format)
- opt_output_format = "ctf";
fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
if (!fmt_write) {
- fprintf(stdout, "Error: format \"%s\" is not supported.\n\n",
+ fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
opt_output_format);
- exit(EXIT_FAILURE);
+ partial_error = 1;
+ goto end;
}
- td_read = fmt_read->open_trace(opt_input_path, O_RDONLY);
- if (!td_read) {
- fprintf(stdout, "Error opening trace \"%s\" for reading.\n\n",
+ ctx = bt_context_create();
+
+ ret = bt_context_add_traces_recursive(ctx, opt_input_path,
+ opt_input_format, NULL);
+ if (ret < 0) {
+ fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
opt_input_path);
goto error_td_read;
+ } else if (ret > 0) {
+ fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
+ opt_input_path);
+ partial_error = 1;
}
- td_write = fmt_write->open_trace(opt_output_path, O_WRONLY);
+ td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
if (!td_write) {
- fprintf(stdout, "Error opening trace \"%s\" for writing.\n\n",
- opt_output_path);
+ fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
+ opt_output_path ? : "<none>");
goto error_td_write;
}
+ ret = convert_trace(td_write, ctx);
+ if (ret) {
+ fprintf(stderr, "Error printing trace.\n\n");
+ goto error_copy_trace;
+ }
+
fmt_write->close_trace(td_write);
- fmt_read->close_trace(td_read);
- exit(EXIT_SUCCESS);
+
+ bt_context_put(ctx);
+ printf_verbose("finished converting. Output written to:\n%s\n",
+ opt_output_path ? : "<stdout>");
+ goto end;
/* Error handling */
+error_copy_trace:
fmt_write->close_trace(td_write);
error_td_write:
- fmt_read->close_trace(td_read);
+ bt_context_put(ctx);
error_td_read:
- exit(EXIT_FAILURE);
+ partial_error = 1;
+
+ /* teardown and exit */
+end:
+ free(opt_input_format);
+ free(opt_output_format);
+ if (partial_error)
+ exit(EXIT_FAILURE);
+ else
+ exit(EXIT_SUCCESS);
}