*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
-#define _XOPEN_SOURCE 700
-#include <config.h>
#include <babeltrace/babeltrace.h>
#include <babeltrace/format.h>
#include <babeltrace/context.h>
+#include <babeltrace/context-internal.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/debuginfo.h>
+
#include <babeltrace/iterator.h>
#include <popt.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
-#include <ftw.h>
-#include <dirent.h>
#include <unistd.h>
#include <inttypes.h>
+#include <ftw.h>
+#include <string.h>
#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
+#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
+
#define DEFAULT_FILE_ARRAY_SIZE 1
-static char *opt_input_format;
-static char *opt_output_format;
-static const char *opt_input_path;
-static const char *opt_output_path;
+#define NET_URL_PREFIX "net://"
+#define NET4_URL_PREFIX "net4://"
+#define NET6_URL_PREFIX "net6://"
+
+static char *opt_input_format, *opt_output_format;
+
+/*
+ * We are not freeing opt_input_paths ipath elements when exiting from
+ * main() for backward compatibility with libpop 0.13, which does not
+ * allocate copies for arguments returned by poptGetArg(), and for
+ * general compatibility with the documented behavior. This is known to
+ * cause a small memory leak with libpop 0.16.
+ */
+static GPtrArray *opt_input_paths;
+static char *opt_output_path;
+static int opt_stream_intersection;
-static struct trace_collection trace_collection_read;
-static struct format *fmt_read;
+static struct bt_format *fmt_read;
+static
void strlower(char *str)
{
while (*str) {
- *str = tolower(*str);
+ *str = tolower((int) *str);
str++;
}
}
enum {
OPT_NONE = 0,
+ OPT_OUTPUT_PATH,
+ OPT_INPUT_FORMAT,
+ OPT_OUTPUT_FORMAT,
OPT_HELP,
OPT_LIST,
OPT_VERBOSE,
OPT_FIELDS,
OPT_NO_DELTA,
OPT_CLOCK_OFFSET,
- OPT_CLOCK_RAW,
+ OPT_CLOCK_OFFSET_NS,
+ OPT_CLOCK_CYCLES,
OPT_CLOCK_SECONDS,
OPT_CLOCK_DATE,
OPT_CLOCK_GMT,
+ OPT_CLOCK_FORCE_CORRELATE,
+ OPT_STREAM_INTERSECTION,
+ OPT_DEBUG_INFO_DIR,
+ OPT_DEBUG_INFO_FULL_PATH,
+ OPT_DEBUG_INFO_TARGET_PREFIX,
};
+/*
+ * We are _not_ using POPT_ARG_STRING ability to store directly into
+ * variables, because we want to cast the return to non-const, which is
+ * not possible without using poptGetOptArg explicitly. This helps us
+ * controlling memory allocation correctly without making assumptions
+ * about undocumented behaviors. poptGetOptArg is documented as
+ * requiring the returned const char * to be freed by the caller.
+ */
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 },
+ { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL },
+ { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
+ { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, 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 },
{ "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-offset-ns", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
+ { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, 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 },
+ { "stream-intersection", 0, POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
+#ifdef ENABLE_DEBUGINFO
+ { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
+ { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
+ { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
+#endif
{ NULL, 0, 0, NULL, 0, NULL, NULL },
};
static void usage(FILE *fp)
{
- fprintf(fp, "BabelTrace Trace Converter %s\n\n", VERSION);
- fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
+ fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
+ fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
fprintf(fp, "\n");
- fprintf(fp, " INPUT Input trace path\n");
- fprintf(fp, " OUTPUT Output trace path (default: stdout)\n");
+ fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
+ fprintf(fp, " (space-separated)\n");
+ fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
fprintf(fp, "\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, " --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, " all, scope, header, (context OR ctx)\n");
- fprintf(fp, " (payload active by default)\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, " all, trace, trace:hostname, trace:domain,\n");
+ fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
+ fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
+ fprintf(fp, " --clock-cycles Timestamp in cycles\n");
fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
+ fprintf(fp, " --clock-offset-ns ns Clock offset in nanoseconds\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");
+ fprintf(fp, " --stream-intersection Only print events when all streams are active.\n");
+#ifdef ENABLE_DEBUGINFO
+ fprintf(fp, " --debug-info-dir Directory in which to look for debugging information\n");
+ fprintf(fp, " files. (default: /usr/lib/debug/)\n");
+ fprintf(fp, " --debug-info-target-prefix Directory to use as a prefix for executable lookup\n");
+ fprintf(fp, " --debug-info-full-path Show full debug info source and binary paths (if available)\n");
+#endif
list_formats(fp);
fprintf(fp, "\n");
}
static int get_names_args(poptContext *pc)
{
char *str, *strlist, *strctx;
+ int ret = 0;
opt_payload_field_names = 0;
+ opt_context_field_names = 0;
strlist = (char *) poptGetOptArg(*pc);
if (!strlist) {
return -EINVAL;
opt_header_field_names = 1;
else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
opt_payload_field_names = 1;
- else {
+ 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;
+ ret = -EINVAL;
+ goto end;
}
} while ((str = strtok_r(NULL, ",", &strctx)));
- return 0;
+end:
+ free(strlist);
+ return ret;
}
static int get_fields_args(poptContext *pc)
{
char *str, *strlist, *strctx;
+ int ret = 0;
- opt_payload_field_names = 0;
strlist = (char *) poptGetOptArg(*pc);
if (!strlist) {
return -EINVAL;
}
str = strtok_r(strlist, ",", &strctx);
do {
+ opt_trace_default_fields = 0;
if (!strcmp(str, "all"))
opt_all_fields = 1;
else if (!strcmp(str, "trace"))
opt_trace_field = 1;
+ else if (!strcmp(str, "trace:hostname"))
+ opt_trace_hostname_field = 1;
else if (!strcmp(str, "trace:domain"))
opt_trace_domain_field = 1;
else if (!strcmp(str, "trace:procname"))
opt_trace_vpid_field = 1;
else if (!strcmp(str, "loglevel"))
opt_loglevel_field = 1;
+ else if (!strcmp(str, "emf"))
+ opt_emf_field = 1;
+ else if (!strcmp(str, "callsite"))
+ opt_callsite_field = 1;
else {
fprintf(stderr, "[error] unknown field type %s\n", str);
- return -EINVAL;
+ ret = -EINVAL;
+ goto end;
}
} while ((str = strtok_r(NULL, ",", &strctx)));
- return 0;
+end:
+ free(strlist);
+ return ret;
}
/*
{
poptContext pc;
int opt, ret = 0;
+ const char *ipath;
if (argc == 1) {
usage(stdout);
poptReadDefaultConfig(pc, 0);
/* set default */
+ opt_context_field_names = 1;
opt_payload_field_names = 1;
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
+ case OPT_OUTPUT_PATH:
+ opt_output_path = (char *) poptGetOptArg(pc);
+ if (!opt_output_path) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
+ case OPT_INPUT_FORMAT:
+ opt_input_format = (char *) poptGetOptArg(pc);
+ if (!opt_input_format) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
+ case OPT_OUTPUT_FORMAT:
+ opt_output_format = (char *) poptGetOptArg(pc);
+ if (!opt_output_format) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
case OPT_HELP:
usage(stdout);
ret = 1; /* exit cleanly */
case OPT_NO_DELTA:
opt_delta_field = 0;
break;
- case OPT_CLOCK_RAW:
- opt_clock_raw = 1;
+ case OPT_CLOCK_CYCLES:
+ opt_clock_cycles = 1;
break;
case OPT_CLOCK_OFFSET:
{
- char *str, *endptr;
+ char *str;
+ char *endptr;
- str = poptGetOptArg(pc);
+ str = (char *) poptGetOptArg(pc);
if (!str) {
fprintf(stderr, "[error] Missing --clock-offset argument\n");
ret = -EINVAL;
if (*endptr != '\0' || str == endptr || errno != 0) {
fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
ret = -EINVAL;
+ free(str);
goto end;
}
+ free(str);
break;
}
case OPT_CLOCK_SECONDS:
opt_clock_seconds = 1;
break;
+ case OPT_CLOCK_OFFSET_NS:
+ {
+ char *str;
+ char *endptr;
+
+ str = (char *) poptGetOptArg(pc);
+ if (!str) {
+ fprintf(stderr, "[error] Missing --clock-offset-ns argument\n");
+ ret = -EINVAL;
+ goto end;
+ }
+ errno = 0;
+ opt_clock_offset_ns = strtoull(str, &endptr, 0);
+ if (*endptr != '\0' || str == endptr || errno != 0) {
+ fprintf(stderr, "[error] Incorrect --clock-offset-ns argument: %s\n", str);
+ ret = -EINVAL;
+ free(str);
+ goto end;
+ }
+ free(str);
+ 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;
+ case OPT_STREAM_INTERSECTION:
+ opt_stream_intersection = 1;
+ break;
+ case OPT_DEBUG_INFO_DIR:
+ opt_debug_info_dir = (char *) poptGetOptArg(pc);
+ if (!opt_debug_info_dir) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
+ case OPT_DEBUG_INFO_FULL_PATH:
+ opt_debug_info_full_path = 1;
+ break;
+ case OPT_DEBUG_INFO_TARGET_PREFIX:
+ opt_debug_info_target_prefix = (char *) poptGetOptArg(pc);
+ if (!opt_debug_info_target_prefix) {
+ ret = -EINVAL;
+ goto end;
+ }
+ break;
default:
ret = -EINVAL;
goto end;
}
}
- opt_input_path = poptGetArg(pc);
- if (!opt_input_path) {
+ do {
+ ipath = poptGetArg(pc);
+ if (ipath)
+ g_ptr_array_add(opt_input_paths, (gpointer) ipath);
+ } while (ipath);
+ if (opt_input_paths->len == 0) {
ret = -EINVAL;
goto end;
}
- opt_output_path = poptGetArg(pc);
end:
if (pc) {
return ret;
}
-static void init_trace_collection(struct trace_collection *tc)
-{
- tc->array = g_ptr_array_sized_new(DEFAULT_FILE_ARRAY_SIZE);
- tc->clocks = g_hash_table_new(g_direct_hash, g_direct_equal);
-}
+static GPtrArray *traversed_paths = 0;
/*
- * finalize_trace_collection() closes the opened traces for read
- * and free the memory allocated for trace collection
+ * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
+ * it receives the path of the current entry (file, dir, link..etc) with
+ * a flag to indicate the type of the entry.
+ * if the entry being visited is a directory and contains a metadata file,
+ * then add the path to a global list to be processed later in
+ * add_traces_recursive.
*/
-static void finalize_trace_collection(struct trace_collection *tc)
+static int traverse_trace_dir(const char *fpath, const struct stat *sb,
+ int tflag, struct FTW *ftwbuf)
{
- int i;
+ int dirfd, metafd;
+ int closeret;
- for (i = 0; i < tc->array->len; i++) {
- struct trace_descriptor *temp =
- g_ptr_array_index(tc->array, i);
- fmt_read->close_trace(temp);
- }
- g_ptr_array_free(tc->array, TRUE);
- g_hash_table_destroy(tc->clocks);
-}
+ if (tflag != FTW_D)
+ return 0;
-struct clock_match {
- GHashTable *clocks;
- struct ctf_clock *clock_match;
-};
+ dirfd = open(fpath, 0);
+ if (dirfd < 0) {
+ fprintf(stderr, "[error] [Context] Unable to open trace "
+ "directory file descriptor.\n");
+ return 0; /* partial error */
+ }
+ metafd = openat(dirfd, "metadata", O_RDONLY);
+ if (metafd < 0) {
+ closeret = close(dirfd);
+ if (closeret < 0) {
+ perror("close");
+ return -1;
+ }
+ /* No meta data, just return */
+ return 0;
+ } else {
+ int err_close = 0;
-static void check_clock_match(gpointer key, gpointer value, gpointer user_data)
-{
- struct clock_match *match = user_data;
- struct ctf_clock *clock_a = value, *clock_b;
-
- if (clock_a->uuid != 0) {
- /*
- * Lookup the the trace clocks into the collection
- * clocks.
- */
- clock_b = g_hash_table_lookup(match->clocks,
- (gpointer) (unsigned long) clock_a->uuid);
- if (clock_b) {
- match->clock_match = clock_b;
- return;
+ closeret = close(metafd);
+ if (closeret < 0) {
+ perror("close");
+ err_close = 1;
}
- } else if (clock_a->absolute) {
- /*
- * Absolute time references, such as NTP, are looked up
- * by clock name.
- */
- clock_b = g_hash_table_lookup(match->clocks,
- (gpointer) (unsigned long) clock_a->name);
- if (clock_b) {
- match->clock_match = clock_b;
- return;
+ closeret = close(dirfd);
+ if (closeret < 0) {
+ perror("close");
+ err_close = 1;
+ }
+ if (err_close) {
+ return -1;
}
- }
-}
-
-static void clock_add(gpointer key, gpointer value, gpointer user_data)
-{
- GHashTable *tc_clocks = user_data;
- struct ctf_clock *t_clock = value;
- GQuark v;
- if (t_clock->absolute)
- v = t_clock->name;
- else
- v = t_clock->uuid;
- if (v) {
- struct ctf_clock *tc_clock;
-
- tc_clock = g_hash_table_lookup(tc_clocks,
- (gpointer) (unsigned long) v);
- if (!tc_clock) {
- g_hash_table_insert(tc_clocks,
- (gpointer) (unsigned long) v,
- value);
- } else {
- int64_t diff_ns;
-
- /*
- * Check that the offsets match. If not, warn
- * the user that we do an arbitrary choice.
- */
- diff_ns = tc_clock->offset_s;
- diff_ns -= t_clock->offset_s;
- diff_ns *= 1000000000ULL;
- diff_ns += tc_clock->offset;
- diff_ns -= t_clock->offset;
- printf_debug("Clock \"%s\" offset between traces has a delta of %" PRIu64 " ns.",
- g_quark_to_string(tc_clock->name),
- diff_ns < 0 ? -diff_ns : diff_ns);
- if (diff_ns > 10000) {
- fprintf(stderr, "[warning] Clock \"%s\" offset differs between traces (delta %" PRIu64 " ns). Choosing one arbitrarily.\n",
- g_quark_to_string(tc_clock->name),
- diff_ns < 0 ? -diff_ns : diff_ns);
- }
+ /* Add path to the global list */
+ if (traversed_paths == NULL) {
+ fprintf(stderr, "[error] [Context] Invalid open path array.\n");
+ return -1;
}
+ g_ptr_array_add(traversed_paths, g_string_new(fpath));
}
+
+ return 0;
}
/*
- * Whenever we add a trace to the trace collection, check that we can
- * correlate this trace with at least one other clock in the trace.
+ * 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);
*/
-static int trace_collection_add(struct trace_collection *tc,
- struct trace_descriptor *td)
+int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
+ const char *format_str,
+ void (*packet_seek)(struct bt_stream_pos *pos,
+ size_t offset, int whence))
{
- struct ctf_trace *trace = container_of(td, struct ctf_trace, parent);
-
- g_ptr_array_add(tc->array, td);
-
- if (tc->array->len > 1) {
- struct clock_match clock_match = {
- .clocks = tc->clocks,
- .clock_match = NULL,
- };
-
- /*
- * With two or more traces, we need correlation info
- * avalable.
- */
- g_hash_table_foreach(trace->clocks,
- check_clock_match,
- &clock_match);
- if (!clock_match.clock_match) {
- fprintf(stderr, "[error] No clocks can be correlated and multiple traces are added to the collection.\n");
- goto error;
+ int ret = 0, trace_ids = 0;
+
+ if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 ||
+ (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 ||
+ (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) {
+ ret = bt_context_add_trace(ctx,
+ path, format_str, packet_seek, NULL, NULL);
+ if (ret < 0) {
+ fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" "
+ "for reading.\n", path);
}
+ return ret;
}
+ /* Should lock traversed_paths mutex here if used in multithread */
+
+ traversed_paths = g_ptr_array_new();
+ ret = nftw(path, traverse_trace_dir, 10, 0);
+
+ /* Process the array if ntfw did not return a fatal error */
+ if (ret >= 0) {
+ int i;
+
+ for (i = 0; i < traversed_paths->len; i++) {
+ GString *trace_path = g_ptr_array_index(traversed_paths,
+ i);
+ int trace_id = bt_context_add_trace(ctx,
+ trace_path->str,
+ format_str,
+ packet_seek,
+ NULL,
+ NULL);
+ if (trace_id < 0) {
+ fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
+ "for reading.\n", trace_path->str, path);
+ /* Allow to skip erroneous traces. */
+ ret = 1; /* partial error */
+ } else {
+ trace_ids++;
+ }
+ g_string_free(trace_path, TRUE);
+ }
+ }
+
+ g_ptr_array_free(traversed_paths, TRUE);
+ traversed_paths = NULL;
+
+ /* Should unlock traversed paths mutex here if used in multithread */
+
/*
- * Add each clock from the trace clocks into the trace
- * collection clocks.
+ * Return an error if no trace can be opened.
*/
- g_hash_table_foreach(trace->clocks,
- clock_add,
- tc->clocks);
- return 0;
-error:
- return -EPERM;
+ if (trace_ids == 0) {
+ fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
+ ret = -ENOENT; /* failure */
+ }
+ return ret;
}
-int convert_trace(struct trace_descriptor *td_write,
+static
+int trace_pre_handler(struct bt_trace_descriptor *td_write,
struct bt_context *ctx)
{
- struct babeltrace_iter *iter;
- struct ctf_stream *stream;
- struct ctf_stream_event *event;
struct ctf_text_stream_pos *sout;
- struct trace_collection_pos begin_pos;
- int ret;
+ struct trace_collection *tc;
+ int ret, i;
sout = container_of(td_write, struct ctf_text_stream_pos,
trace_descriptor);
- begin_pos.type = BT_SEEK_BEGIN;
- iter = babeltrace_iter_create(ctx, &begin_pos, NULL);
- if (!iter) {
- ret = -1;
- goto error_iter;
- }
- while (babeltrace_iter_read_event(iter, &stream, &event) == 0) {
- ret = sout->parent.event_cb(&sout->parent, stream);
+ if (!sout->parent.pre_trace_cb)
+ return 0;
+
+ tc = ctx->tc;
+ for (i = 0; i < tc->array->len; i++) {
+ struct bt_trace_descriptor *td =
+ g_ptr_array_index(tc->array, i);
+
+ ret = sout->parent.pre_trace_cb(&sout->parent, td);
if (ret) {
- fprintf(stderr, "[error] Writing event failed.\n");
+ fprintf(stderr, "[error] Writing to trace pre handler failed.\n");
goto end;
}
- ret = babeltrace_iter_next(iter);
- if (ret < 0)
- goto end;
}
ret = 0;
-
end:
- babeltrace_iter_destroy(iter);
-error_iter:
return ret;
}
+static
+int trace_post_handler(struct bt_trace_descriptor *td_write,
+ struct bt_context *ctx)
+{
+ struct ctf_text_stream_pos *sout;
+ struct trace_collection *tc;
+ int ret, i;
-/*
- * traverse_dir() is the callback functiion for File Tree Walk (nftw).
- * it receives the path of the current entry (file, dir, link..etc) with
- * a flag to indicate the type of the entry.
- * if the entry being visited is a directory and contains a metadata file,
- * then open it for reading and save a trace_descriptor to that directory
- * in the read trace collection.
- */
-static int traverse_dir(const char *fpath, const struct stat *sb,
- int tflag, struct FTW *ftwbuf)
+ sout = container_of(td_write, struct ctf_text_stream_pos,
+ trace_descriptor);
+
+ if (!sout->parent.post_trace_cb)
+ return 0;
+
+ tc = ctx->tc;
+ for (i = 0; i < tc->array->len; i++) {
+ struct bt_trace_descriptor *td =
+ g_ptr_array_index(tc->array, i);
+
+ ret = sout->parent.post_trace_cb(&sout->parent, td);
+ if (ret) {
+ fprintf(stderr, "[error] Writing to trace post handler failed.\n");
+ goto end;
+ }
+ }
+ ret = 0;
+end:
+ return ret;
+}
+
+static
+int convert_trace(struct bt_trace_descriptor *td_write,
+ struct bt_context *ctx)
{
- int dirfd;
- int fd;
- struct trace_descriptor *td_read;
+ struct bt_ctf_iter *iter;
+ struct ctf_text_stream_pos *sout;
+ struct bt_iter_pos *begin_pos = NULL, *end_pos = NULL;
+ struct bt_ctf_event *ctf_event;
int ret;
- if (tflag != FTW_D)
+ sout = container_of(td_write, struct ctf_text_stream_pos,
+ trace_descriptor);
+
+ if (!sout->parent.event_cb) {
return 0;
- dirfd = open(fpath, 0);
- if (dirfd < 0) {
- fprintf(stderr, "[error] unable to open trace "
- "directory file descriptor.\n");
- return -1;
}
- fd = openat(dirfd, "metadata", O_RDONLY);
- if (fd < 0) {
- close(dirfd);
+
+ if (opt_stream_intersection) {
+ iter = bt_ctf_iter_create_intersect(ctx, &begin_pos, &end_pos);
} else {
- close(fd);
- close(dirfd);
- td_read = fmt_read->open_trace(opt_input_path,
- fpath, O_RDONLY, ctf_move_pos_slow,
- NULL);
- if (!td_read) {
- fprintf(stderr, "Error opening trace \"%s\" "
- "for reading.\n\n", fpath);
- return -1; /* error */
- }
- ret = trace_collection_add(&trace_collection_read, td_read);
+ begin_pos = bt_iter_create_time_pos(NULL, 0);
+ 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) {
- return -1;
+ fprintf(stderr, "[error] Writing event failed.\n");
+ goto end;
+ }
+ ret = bt_iter_next(bt_ctf_get_iter(iter));
+ if (ret < 0) {
+ goto end;
}
}
- return 0; /* success */
+ ret = 0;
+
+end:
+ bt_ctf_iter_destroy(iter);
+error_iter:
+ bt_iter_free_pos(begin_pos);
+ bt_iter_free_pos(end_pos);
+ return ret;
}
int main(int argc, char **argv)
{
- int ret;
- struct format *fmt_write;
- struct trace_descriptor *td_write;
+ int ret, partial_error = 0, open_success = 0;
+ struct bt_format *fmt_write;
+ struct bt_trace_descriptor *td_write;
struct bt_context *ctx;
+ int i;
+
+ opt_input_paths = g_ptr_array_new();
ret = parse_options(argc, argv);
if (ret < 0) {
fprintf(stderr, "Error parsing options.\n\n");
usage(stderr);
+ g_ptr_array_free(opt_input_paths, TRUE);
exit(EXIT_FAILURE);
} else if (ret > 0) {
+ g_ptr_array_free(opt_input_paths, TRUE);
exit(EXIT_SUCCESS);
}
printf_verbose("Verbose mode active.\n");
if (opt_output_format)
strlower(opt_output_format);
- printf_verbose("Converting from directory: %s\n", opt_input_path);
+ printf_verbose("Converting from directory(ies):\n");
+ for (i = 0; i < opt_input_paths->len; i++) {
+ const char *ipath = g_ptr_array_index(opt_input_paths, i);
+ printf_verbose(" %s\n", ipath);
+ }
printf_verbose("Converting from format: %s\n",
opt_input_format ? : "ctf <default>");
- printf_verbose("Converting to directory: %s\n",
+ printf_verbose("Converting to target: %s\n",
opt_output_path ? : "<stdout>");
printf_verbose("Converting to format: %s\n",
opt_output_format ? : "text <default>");
- if (!opt_input_format)
- opt_input_format = "ctf";
- if (!opt_output_format)
- opt_output_format = "text";
+ if (!opt_input_format) {
+ 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(stderr, "[error] Format \"%s\" is not supported.\n\n",
opt_input_format);
- exit(EXIT_FAILURE);
+ partial_error = 1;
+ goto end;
}
fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
if (!fmt_write) {
fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
opt_output_format);
- exit(EXIT_FAILURE);
+ partial_error = 1;
+ goto end;
}
- /*
- * pass the input path to nftw() .
- * specify traverse_dir() as the callback function.
- * depth = 10 which is the max number of file descriptors
- * that nftw() can open at a given time.
- * flags = 0 check nftw documentation for more info .
- */
- init_trace_collection(&trace_collection_read);
- ret = nftw(opt_input_path, traverse_dir, 10, 0);
- if (ret != 0) {
- fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
- opt_input_path);
+ ctx = bt_context_create();
+ if (!ctx) {
goto error_td_read;
}
- if (trace_collection_read.array->len == 0) {
- fprintf(stderr, "[warning] no metadata file was found."
- " no output was generated\n");
- return 0;
+
+ for (i = 0; i < opt_input_paths->len; i++) {
+ const char *ipath = g_ptr_array_index(opt_input_paths, i);
+ ret = bt_context_add_traces_recursive(ctx, ipath,
+ opt_input_format, NULL);
+ if (ret < 0) {
+ fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
+ ipath);
+ } else if (ret > 0) {
+ fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
+ ipath);
+ open_success = 1; /* some traces were OK */
+ partial_error = 1;
+ } else {
+ open_success = 1; /* all traces were OK */
+ }
}
- ctx = bt_context_create(&trace_collection_read);
- if (!ctx) {
- fprintf(stderr, "Error allocating a new context\n");
+ if (!open_success) {
+ fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
goto error_td_read;
}
- td_write = fmt_write->open_trace(NULL, opt_output_path, O_RDWR, NULL, NULL);
+
+ td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
if (!td_write) {
fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
opt_output_path ? : "<none>");
goto error_td_write;
}
- ret = convert_trace(td_write, ctx);
+ /*
+ * Errors happened when opening traces, but we continue anyway.
+ * sleep to let user see the stderr output before stdout.
+ */
+ if (partial_error)
+ sleep(PARTIAL_ERROR_SLEEP);
+
+ ret = trace_pre_handler(td_write, ctx);
+ if (ret) {
+ fprintf(stderr, "Error in trace pre handle.\n\n");
+ goto error_copy_trace;
+ }
+
+ /* For now, we support only CTF iterators */
+ if (fmt_read->name == g_quark_from_static_string("ctf")) {
+ ret = convert_trace(td_write, ctx);
+ if (ret) {
+ fprintf(stderr, "Error printing trace.\n\n");
+ goto error_copy_trace;
+ }
+ }
+
+ ret = trace_post_handler(td_write, ctx);
if (ret) {
- fprintf(stderr, "Error printing trace.\n\n");
+ fprintf(stderr, "Error in trace post handle.\n\n");
goto error_copy_trace;
}
fmt_write->close_trace(td_write);
- finalize_trace_collection(&trace_collection_read);
- bt_context_destroy(ctx);
+
+ bt_context_put(ctx);
printf_verbose("finished converting. Output written to:\n%s\n",
opt_output_path ? : "<stdout>");
- exit(EXIT_SUCCESS);
+ goto end;
/* Error handling */
error_copy_trace:
fmt_write->close_trace(td_write);
error_td_write:
- finalize_trace_collection(&trace_collection_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);
+ free(opt_output_path);
+ free(opt_debug_info_dir);
+ free(opt_debug_info_target_prefix);
+ g_ptr_array_free(opt_input_paths, TRUE);
+ if (partial_error)
+ exit(EXIT_FAILURE);
+ else
+ exit(EXIT_SUCCESS);
}
projects / babeltrace.git / blobdiff