Add --clock-force-correlate option
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mon, 13 Feb 2012 14:26:53 +0000 (09:26 -0500)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mon, 13 Feb 2012 14:26:53 +0000 (09:26 -0500)
For support of older 2.0-pre traces.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
converter/Makefile.am
converter/babeltrace.c
formats/ctf/metadata/ctf-visitor-generate-io-struct.c
include/babeltrace/babeltrace-internal.h

index 578280a681e4427f8d0fd9e47b348aa0e69bef2e..2b16f1e4baa93e3958ff6a9dd96a050dc5d7a306 100644 (file)
@@ -15,6 +15,7 @@ babeltrace_LDADD = \
        $(top_builddir)/lib/libbabeltrace.la \
        $(top_builddir)/formats/libbabeltrace_registry.la \
        $(top_builddir)/formats/ctf/libctf.la \
+       $(top_builddir)/formats/ctf/metadata/libctf-ast.la \
        $(top_builddir)/formats/ctf-text/libctf-text.la \
        $(top_builddir)/formats/bt-dummy/libbt-dummy.la
 
index a7004e1b1e60a21e1531d463f98380afe5dfe7b2..f83e1e62ba0f656323398467057e13ebeb29a9e8 100644 (file)
@@ -71,6 +71,7 @@ enum {
        OPT_CLOCK_SECONDS,
        OPT_CLOCK_DATE,
        OPT_CLOCK_GMT,
+       OPT_CLOCK_FORCE_CORRELATE,
 };
 
 static struct poptOption long_options[] = {
@@ -89,6 +90,7 @@ static struct poptOption long_options[] = {
        { "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 },
 };
 
@@ -129,6 +131,8 @@ static void usage(FILE *fp)
        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");
 }
@@ -274,6 +278,9 @@ static int parse_options(int argc, char **argv)
                case OPT_CLOCK_GMT:
                        opt_clock_gmt = 1;
                        break;
+               case OPT_CLOCK_FORCE_CORRELATE:
+                       opt_clock_force_correlate = 1;
+                       break;
 
                default:
                        ret = -EINVAL;
index 1fc69125ce8ef180c70fc0f95b48042c7959ea2c..4f604d1cee2a8e610a84e7ae7e6fc767c15c3dac 100644 (file)
@@ -39,6 +39,8 @@
 #define _cds_list_first_entry(ptr, type, member)       \
        cds_list_entry((ptr)->next, type, member)
 
+int opt_clock_force_correlate;
+
 static
 struct declaration *ctf_type_specifier_list_visit(FILE *fd,
                int depth, struct ctf_node *type_specifier_list,
@@ -2281,13 +2283,24 @@ int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace
                if (ret)
                        goto error;
        }
+       if (opt_clock_force_correlate) {
+               /*
+                * User requested to forcibly correlate the clock
+                * sources, even if we have no correlatation
+                * information.
+                */
+               if (!clock->absolute) {
+                       fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n");
+               }
+               clock->absolute = 1;
+       }
        if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) {
                ret = -EPERM;
                fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__);
                goto error;
        }
        if (g_hash_table_size(trace->clocks) > 0) {
-               fprintf(stderr, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n");
+               fprintf(fd, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n");
                ret = -EINVAL;
                goto error;
        }
@@ -2312,7 +2325,19 @@ void ctf_clock_default(FILE *fd, int depth, struct ctf_trace *trace)
        clock->description = g_strdup("Default clock");
        /* Default clock frequency is set to 1000000000 */
        clock->freq = 1000000000ULL;
-       clock->absolute = 0;    /* Not an absolute reference across traces */
+       if (opt_clock_force_correlate) {
+               /*
+                * User requested to forcibly correlate the clock
+                * sources, even if we have no correlatation
+                * information.
+                */
+               if (!clock->absolute) {
+                       fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n");
+               }
+               clock->absolute = 1;
+       } else {
+               clock->absolute = 0;    /* Not an absolute reference across traces */
+       }
 
        trace->single_clock = clock;
        g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock);
index 8996afcddab8c67cc4d632227abbb42730215dd4..06a5654a8803252df268d13effa0cf773a0cc05c 100644 (file)
@@ -48,7 +48,8 @@ extern int opt_all_field_names,
        opt_clock_raw,
        opt_clock_seconds,
        opt_clock_date,
-       opt_clock_gmt;
+       opt_clock_gmt,
+       opt_clock_force_correlate;
 
 extern uint64_t opt_clock_offset;
 
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