add output file redirection and debug verbose option

[lttngtop.git] / src / lttngtop.c

diff --git a/src/lttngtop.c b/src/lttngtop.c
index 326bae832c34745517a4d680325ea496161c9853..c29c5a5443efc9a7d5e3c8f49d2a6ba4f67cb67b 100644 (file)
--- a/src/lttngtop.c
+++ b/src/lttngtop.c
@@ -101,6 +101,8 @@ enum {
        OPT_KPROBES,
        OPT_BEGIN,
        OPT_ALL,
+       OPT_OUTPUT_FILE,
+       OPT_VERBOSE,
 };
 
 static struct poptOption long_options[] = {
@@ -115,6 +117,8 @@ static struct poptOption long_options[] = {
                OPT_RELAY_HOSTNAME, NULL, NULL },
        { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL },
        { "all", 'a', POPT_ARG_NONE, NULL, OPT_ALL, NULL, NULL },
+       { "output", 'o', POPT_ARG_STRING, &opt_output, OPT_OUTPUT_FILE, NULL, NULL },
+       { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
        { NULL, 0, 0, NULL, 0, NULL, NULL },
 };
 
@@ -199,8 +203,8 @@ void print_fields(struct bt_ctf_event *event, const char *procname,
        bt_ctf_get_field_list(event, scope, &list, &cnt);
        for (i = 0; i < cnt; i++) {
                if (i != 0)
-                       printf(", ");
-               printf("%s = ", bt_ctf_field_name(list[i]));
+                       fprintf(output, ", ");
+               fprintf(output, "%s = ", bt_ctf_field_name(list[i]));
                l = bt_ctf_get_decl_from_def(list[i]);
                if (strncmp(bt_ctf_field_name(list[i]), "fd", 2) == 0)
                        fd = 1;
@@ -210,17 +214,17 @@ void print_fields(struct bt_ctf_event *event, const char *procname,
                if (type == CTF_TYPE_INTEGER) {
                        if (bt_ctf_get_int_signedness(l) == 0) {
                                fd_value = bt_ctf_get_uint64(list[i]);
-                               printf("%" PRIu64, bt_ctf_get_uint64(list[i]));
+                               fprintf(output, "%" PRIu64, bt_ctf_get_uint64(list[i]));
                        } else {
                                fd_value = bt_ctf_get_int64(list[i]);
-                               printf("%" PRId64, bt_ctf_get_int64(list[i]));
+                               fprintf(output, "%" PRId64, bt_ctf_get_int64(list[i]));
                        }
                } else if (type == CTF_TYPE_STRING) {
-                       printf("%s", bt_ctf_get_string(list[i]));
+                       fprintf(output, "%s", bt_ctf_get_string(list[i]));
                } else if (type == CTF_TYPE_ARRAY) {
                        str = bt_ctf_get_char_array(list[i]);
                        if (!bt_ctf_field_get_error() && str)
-                               printf("%s", str);
+                               fprintf(output, "%s", str);
                }
                if (fd) {
                        current_proc = find_process_tid(&lttngtop, pid, procname);
@@ -229,7 +233,7 @@ void print_fields(struct bt_ctf_event *event, const char *procname,
                        current_file = get_file(current_proc, fd_value);
                        if (!current_file || !current_file->name)
                                continue;
-                       printf("<%s>", current_file->name);
+                       fprintf(output, "<%s>", current_file->name);
                }
        }
 }
@@ -292,21 +296,21 @@ enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data)
                                                goto end;
                                } else {
                                        if (opt_all)
-                                               printf("%c[1m", 27);
+                                               fprintf(output, "%c[1m", 27);
                                }
                        } else if (!opt_all) {
                                goto end;
                        }
                } else {
                        if (opt_all)
-                               printf("%c[1m", 27);
+                               fprintf(output, "%c[1m", 27);
                }
        }
 
        if (last_syscall && (strncmp(bt_ctf_event_name(call_data),
                                 "exit_syscall", 12)) != 0) {
                last_syscall = NULL;
-               printf(" ...interrupted...\n");
+               fprintf(output, " ...interrupted...\n");
        }
 
        cpu_id = get_cpu_id(call_data);
@@ -333,14 +337,14 @@ enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data)
                                syscall_ret = bt_ctf_get_int64(bt_ctf_get_field(call_data,
                                                        scope, "_ret"));
 
-                               printf("= %" PRId64 " (%" PRIu64 ".%09" PRIu64 "s)\n",
+                               fprintf(output, "= %" PRId64 " (%" PRIu64 ".%09" PRIu64 "s)\n",
                                                syscall_ret, delta / NSEC_PER_SEC,
                                                delta % NSEC_PER_SEC);
                                last_syscall = NULL;
                                goto end;
                        } else {
                                last_syscall = NULL;
-                               printf(" ...interrupted...\n");
+                               fprintf(output, " ...interrupted...\n");
                        }
                }
 
@@ -369,7 +373,7 @@ enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data)
        delta = timestamp - prev_ts;
        prev_ts = timestamp;
 
-       printf("%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s"
+       fprintf(output, "%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s"
                        "(cpu %d) [%s (%d/%d)] %s (",
                        start.tm_hour, start.tm_min, start.tm_sec,
                        ts_nsec_start, delta / NSEC_PER_SEC,
@@ -377,12 +381,12 @@ enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data)
                        (hostname) ? " ": "", cpu_id, procname, pid, tid,
                        bt_ctf_event_name(call_data));
        print_fields(call_data, procname, pid);
-       printf(")%s%c", (from_syscall) ? from_syscall : "",
+       fprintf(output, ")%s%c", (from_syscall) ? from_syscall : "",
                        (!current_syscall) ? '\n' : ' ');
 
        free(from_syscall);
        if (opt_all && (opt_tid || opt_hostname || opt_exec_name))
-               printf("%c[0m", 27);
+               fprintf(output, "%c[0m", 27);
 
 end:
        return BT_CB_OK;
@@ -667,6 +671,7 @@ void usage(FILE *fp)
        fprintf(fp, "  -k, --kprobes            Comma-separated list of kprobes to insert (same format as lttng enable-event)\n");
        fprintf(fp, "  -r, --relay-hostname     Network live streaming : hostname of the lttng-relayd (default port)\n");
        fprintf(fp, "  -b, --begin              Network live streaming : read the trace for the beginning of the recording\n");
+       fprintf(fp, "  -o, --output <filename>  In textdump, output the log in <filename>\n");
 }
 
 /*
@@ -820,6 +825,11 @@ static int parse_options(int argc, char **argv)
                                        tmp_str = strtok(NULL, ",");
                                }
                                break;
+                       case OPT_OUTPUT_FILE:
+                               break;
+                       case OPT_VERBOSE:
+                               babeltrace_verbose = 1;
+                               break;
                        default:
                                ret = -EINVAL;
                                goto end;
@@ -838,6 +848,15 @@ static int parse_options(int argc, char **argv)
        if (!opt_exec_name) {
                opt_input_path = poptGetArg(pc);
        }
+       if (!opt_output) {
+               opt_output = strdup("/dev/stdout");
+       }
+       output = fopen(opt_output, "w");
+       if (!output) {
+               perror("Error opening output file");
+               ret = -1;
+               goto end;
+       }
 
 end:
        if (pc) {
@@ -1185,7 +1204,6 @@ int main(int argc, char **argv, char **envp)
        int ret;
        struct bt_context *bt_ctx = NULL;
 
-       //babeltrace_verbose = 1;
        init_lttngtop();
        ret = parse_options(argc, argv);
        if (ret < 0) {