Clean-up: Remove ifdef-ed out lttng list options
[lttng-tools.git] / src / bin / lttng / commands / list.c
index a26ec064197c123356c24c0be07db2f9cc6f6d54..b436777d671b74bb2165d97eae9a5e6a1c6604e7 100644 (file)
@@ -16,6 +16,7 @@
  */
 
 #define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <inttypes.h>
 #include <popt.h>
 #include <stdio.h>
@@ -31,15 +32,11 @@ static int opt_userspace;
 static int opt_kernel;
 static int opt_jul;
 static int opt_log4j;
+static int opt_python;
 static char *opt_channel;
 static int opt_domain;
 static int opt_fields;
 static int opt_syscall;
-#if 0
-/* Not implemented yet */
-static char *opt_cmd_name;
-static pid_t opt_pid;
-#endif
 
 const char *indent4 = "    ";
 const char *indent6 = "      ";
@@ -56,21 +53,16 @@ static struct mi_writer *writer;
 
 static struct poptOption long_options[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
-       {"kernel",    'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
-       {"jul",       'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0},
-       {"log4j",     'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0},
-#if 0
-       /* Not implemented yet */
-       {"userspace",      'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
-       {"pid",            'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
-#else
-       {"userspace",      'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
-#endif
-       {"channel",   'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0},
-       {"domain",    'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0},
-       {"fields",    'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0},
-       {"syscall",   'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0},
+       {"help",        'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+       {"kernel",      'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
+       {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0},
+       {"log4j",       'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0},
+       {"python",      'p', POPT_ARG_VAL, &opt_python, 1, 0, 0},
+       {"userspace",   'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
+       {"channel",     'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0},
+       {"domain",      'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0},
+       {"fields",      'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0},
+       {"syscall",     'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0},
        {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
        {0, 0, 0, 0, 0, 0, 0}
 };
@@ -93,11 +85,9 @@ static void usage(FILE *ofp)
        fprintf(ofp, "  -u, --userspace         Select user-space domain.\n");
        fprintf(ofp, "  -j, --jul               Apply for Java application using JUL\n");
        fprintf(ofp, "  -l, --log4j             Apply for Java application using LOG4J\n");
+       fprintf(ofp, "  -p, --python            Apply for Python application using logging\n");
        fprintf(ofp, "  -f, --fields            List event fields.\n");
        fprintf(ofp, "      --syscall           List available system calls.\n");
-#if 0
-       fprintf(ofp, "  -p, --pid PID           List user-space events by PID\n");
-#endif
        fprintf(ofp, "\n");
        fprintf(ofp, "Session Options:\n");
        fprintf(ofp, "  -c, --channel NAME      List details of a channel\n");
@@ -125,14 +115,14 @@ static char *get_cmdline_by_pid(pid_t pid)
        }
 
        /* Caller must free() *cmdline */
-       cmdline = malloc(PATH_MAX);
+       cmdline = zmalloc(PATH_MAX);
        if (!cmdline) {
-               perror("malloc cmdline");
+               PERROR("malloc cmdline");
                goto end;
        }
        ret = fread(cmdline, 1, PATH_MAX, fp);
        if (ret < 0) {
-               perror("fread proc list");
+               PERROR("fread proc list");
        }
 
 end:
@@ -234,7 +224,7 @@ static void print_events(struct lttng_event *event)
                                indent6,
                                event->name,
                                logleveltype_string(event->loglevel_type),
-                               mi_lttng_loglevel_string(event->loglevel),
+                               mi_lttng_loglevel_string(event->loglevel, handle->domain.type),
                                event->loglevel,
                                enabled_string(event->enabled),
                                exclusion_string(event->exclusion),
@@ -391,7 +381,7 @@ static int mi_list_agent_ust_events(struct lttng_event *events, int count,
                }
 
                /* Write an event */
-               ret = mi_lttng_event(writer, &events[i], 0);
+               ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
                if (ret) {
                        goto end;
                }
@@ -427,6 +417,8 @@ static int list_agent_events(void)
                domain.type = LTTNG_DOMAIN_JUL;
        } else if (opt_log4j) {
                domain.type = LTTNG_DOMAIN_LOG4J;
+       } else if (opt_python) {
+               domain.type = LTTNG_DOMAIN_PYTHON;
        }
 
        agent_domain_str = get_domain_str(domain.type);
@@ -641,7 +633,8 @@ static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count,
 
                        if (!event_element_open) {
                                /* Open and write the event */
-                               ret = mi_lttng_event(writer, &cur_event, 1);
+                               ret = mi_lttng_event(writer, &cur_event, 1,
+                                               handle->domain.type);
                                if (ret) {
                                        goto end;
                                }
@@ -779,7 +772,7 @@ static int mi_list_kernel_events(struct lttng_event *events, int count,
        }
 
        for (i = 0; i < count; i++) {
-               ret = mi_lttng_event(writer, &events[i], 0);
+               ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
                if (ret) {
                        goto end;
                }
@@ -867,7 +860,7 @@ static int mi_list_syscalls(struct lttng_event *events, int count)
        }
 
        for (i = 0; i < count; i++) {
-               ret = mi_lttng_event(writer, &events[i], 0);
+               ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
                if (ret) {
                        goto end;
                }
@@ -940,7 +933,7 @@ static int mi_list_session_agent_events(struct lttng_event *events, int count)
        }
 
        for (i = 0; i < count; i++) {
-               ret = mi_lttng_event(writer, &events[i], 0);
+               ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
                if (ret) {
                        goto end;
                }
@@ -989,7 +982,8 @@ static int list_session_agent_events(void)
                        MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name,
                                        enabled_string(events[i].enabled),
                                        logleveltype_string(events[i].loglevel_type),
-                                       mi_lttng_loglevel_string(events[i].loglevel));
+                                       mi_lttng_loglevel_string(events[i].loglevel,
+                                               handle->domain.type));
                }
 
                MSG("");
@@ -1016,7 +1010,7 @@ static int mi_list_events(struct lttng_event *events, int count)
        }
 
        for (i = 0; i < count; i++) {
-               ret = mi_lttng_event(writer, &events[i], 0);
+               ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type);
                if (ret) {
                        goto end;
                }
@@ -1200,7 +1194,7 @@ static int list_channels(const char *channel_name)
                }
        } else {
                /* Pretty print */
-               if (channel_name == NULL) {
+               if (count) {
                        MSG("Channels:\n-------------");
                }
 
@@ -1238,6 +1232,36 @@ error_channels:
        return ret;
 }
 
+/*
+ * List tracker PID(s) of session and domain.
+ */
+static int list_tracker_pids(void)
+{
+       int enabled, ret;
+       int *pids = NULL;
+       size_t nr_pids;
+
+       ret = lttng_list_tracker_pids(handle,
+               &enabled, &pids, &nr_pids);
+       if (ret) {
+               return ret;
+       }
+       if (enabled) {
+               int i;
+               _MSG("PID tracker: [");
+
+               for (i = 0; i < nr_pids; i++) {
+                       if (i) {
+                               _MSG(",");
+                       }
+                       _MSG(" %d", pids[i]);
+               }
+               _MSG(" ]\n\n");
+       }
+       free(pids);
+       return 0;
+}
+
 /*
  * Machine interface
  * Find the session with session_name as name
@@ -1370,8 +1394,11 @@ static int list_sessions(const char *session_name)
                                                active_string(sessions[i].enabled),
                                                snapshot_string(sessions[i].snapshot_mode));
                                MSG("%sTrace path: %s", indent4, sessions[i].path);
-                               MSG("%sLive timer interval (usec): %u\n", indent4,
-                                               sessions[i].live_timer_interval);
+                               if (sessions[i].live_timer_interval != 0) {
+                                       MSG("%sLive timer interval (usec): %u", indent4,
+                                                       sessions[i].live_timer_interval);
+                               }
+                               MSG("");
                        }
                }
 
@@ -1467,6 +1494,9 @@ static int list_domains(const char *session_name)
                        case LTTNG_DOMAIN_LOG4J:
                                MSG("  - LOG4j (Logging for Java)");
                                break;
+                       case LTTNG_DOMAIN_PYTHON:
+                               MSG("  - Python (logging)");
+                               break;
                        default:
                                break;
                        }
@@ -1559,6 +1589,8 @@ int cmd_list(int argc, const char **argv)
                domain.type = LTTNG_DOMAIN_JUL;
        } else if (opt_log4j) {
                domain.type = LTTNG_DOMAIN_LOG4J;
+       } else if (opt_python) {
+               domain.type = LTTNG_DOMAIN_PYTHON;
        }
 
        if (!opt_kernel && opt_syscall) {
@@ -1567,7 +1599,7 @@ int cmd_list(int argc, const char **argv)
                goto end;
        }
 
-       if (opt_kernel || opt_userspace || opt_jul || opt_log4j) {
+       if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) {
                handle = lttng_create_handle(session_name, &domain);
                if (handle == NULL) {
                        ret = CMD_FATAL;
@@ -1576,7 +1608,8 @@ int cmd_list(int argc, const char **argv)
        }
 
        if (session_name == NULL) {
-               if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j) {
+               if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j
+                               && !opt_python) {
                        ret = list_sessions(NULL);
                        if (ret) {
                                goto end;
@@ -1605,7 +1638,7 @@ int cmd_list(int argc, const char **argv)
                                goto end;
                        }
                }
-               if (opt_jul || opt_log4j) {
+               if (opt_jul || opt_log4j || opt_python) {
                        ret = list_agent_events();
                        if (ret) {
                                goto end;
@@ -1653,6 +1686,11 @@ int cmd_list(int argc, const char **argv)
 
                        }
 
+                       ret = list_tracker_pids();
+                       if (ret) {
+                               goto end;
+                       }
+
                        ret = list_channels(opt_channel);
                        if (ret) {
                                goto end;
@@ -1703,6 +1741,9 @@ int cmd_list(int argc, const char **argv)
                                case LTTNG_DOMAIN_LOG4J:
                                        MSG("=== Domain: LOG4j (Logging for Java) ===\n");
                                        break;
+                               case LTTNG_DOMAIN_PYTHON:
+                                       MSG("=== Domain: Python (logging) ===\n");
+                                       break;
                                default:
                                        MSG("=== Domain: Unimplemented ===\n");
                                        break;
@@ -1728,7 +1769,8 @@ int cmd_list(int argc, const char **argv)
                                }
 
                                if (domains[i].type == LTTNG_DOMAIN_JUL ||
-                                               domains[i].type == LTTNG_DOMAIN_LOG4J) {
+                                               domains[i].type == LTTNG_DOMAIN_LOG4J ||
+                                               domains[i].type == LTTNG_DOMAIN_PYTHON) {
                                        ret = list_session_agent_events();
                                        if (ret) {
                                                goto end;
@@ -1736,6 +1778,18 @@ int cmd_list(int argc, const char **argv)
                                        continue;
                                }
 
+                               switch (domains[i].type) {
+                               case LTTNG_DOMAIN_KERNEL:
+                               case LTTNG_DOMAIN_UST:
+                                       ret = list_tracker_pids();
+                                       if (ret) {
+                                               goto end;
+                                       }
+                                       break;
+                               default:
+                                       break;
+                               }
+
                                ret = list_channels(opt_channel);
                                if (ret) {
                                        goto end;
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