/*
- * Copyright (C) 2011-2012 Julien Desfossez
+ * Copyright (C) 2013 Julien Desfossez
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
#include <sys/types.h>
#include <fts.h>
#include <assert.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <lttng/lttng.h>
+#ifdef LTTNGTOP_MMAP_LIVE
+#include <lttng/lttngtop-helper.h>
+#include <babeltrace/lttngtopmmappacketseek.h>
+#include "mmap-live.h"
+#endif /* LTTNGTOP_MMAP_LIVE */
#include "lttngtoptypes.h"
#include "cputop.h"
#include "iostreamtop.h"
#include "cursesdisplay.h"
#include "common.h"
+#include "network-live.h"
+
+#define NET_URL_PREFIX "net://"
+#define NET4_URL_PREFIX "net4://"
+#define NET6_URL_PREFIX "net6://"
#define DEFAULT_FILE_ARRAY_SIZE 1
const char *opt_input_path;
+int opt_textdump;
+int opt_child;
+int opt_begin;
+
+int quit = 0;
struct lttngtop *copy;
pthread_t display_thread;
unsigned long refresh_display = 1 * NSEC_PER_SEC;
unsigned long last_display_update = 0;
-int quit = 0;
+unsigned long last_event_ts = 0;
+
+/* list of FDs available for being read with snapshots */
+struct bt_mmap_stream_list mmap_list;
+GPtrArray *lttng_consumer_stream_array;
+int sessiond_metadata, consumerd_metadata;
+struct lttng_consumer_local_data *ctx = NULL;
+/* list of snapshots currently not consumed */
+GPtrArray *available_snapshots;
+sem_t metadata_available;
+int reload_trace = 0;
+
+uint64_t prev_ts = 0;
enum {
OPT_NONE = 0,
OPT_HELP,
- OPT_LIST,
- OPT_VERBOSE,
- OPT_DEBUG,
- OPT_NAMES,
+ OPT_TEXTDUMP,
+ OPT_PID,
+ OPT_CHILD,
+ OPT_HOSTNAME,
+ OPT_RELAY_HOSTNAME,
+ OPT_KPROBES,
+ OPT_BEGIN,
};
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{ "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL },
+ { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL },
+ { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL },
+ { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL },
+ { "hostname", 'n', POPT_ARG_STRING, &opt_hostname, OPT_HOSTNAME, NULL, NULL },
+ { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname,
+ OPT_RELAY_HOSTNAME, NULL, NULL },
+ { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL },
{ NULL, 0, 0, NULL, 0, NULL, NULL },
};
+#ifdef LTTNGTOP_MMAP_LIVE
+static void handle_textdump_sigterm(int signal)
+{
+ quit = 1;
+ lttng_destroy_session("test");
+}
+#endif
+
void *refresh_thread(void *p)
{
while (1) {
- if (quit)
- return NULL;
+ if (quit) {
+ sem_post(&pause_sem);
+ sem_post(&timer);
+ sem_post(&end_trace_sem);
+ sem_post(&goodtodisplay);
+ sem_post(&goodtoupdate);
+ pthread_exit(0);
+ }
+ if (!opt_input_path) {
+#ifdef LTTNGTOP_MMAP_LIVE
+ mmap_live_flush(mmap_list);
+#endif
+ }
sem_wait(&pause_sem);
sem_post(&pause_sem);
sem_post(&timer);
sem_wait(&goodtodisplay);
sem_wait(&pause_sem);
+ if (quit) {
+ sem_post(&pause_sem);
+ sem_post(&timer);
+ reset_ncurses();
+ pthread_exit(0);
+ }
+
copy = g_ptr_array_index(copies, current_display_index);
assert(copy);
display(current_display_index++);
sem_post(&goodtoupdate);
sem_post(&pause_sem);
+ }
+}
- if (quit) {
- reset_ncurses();
- pthread_exit(0);
+void print_fields(struct bt_ctf_event *event)
+{
+ unsigned int cnt, i;
+ const struct bt_definition *const * list;
+ const struct bt_declaration *l;
+ const struct bt_definition *scope;
+ enum ctf_type_id type;
+ const char *str;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS);
+
+ 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]));
+ l = bt_ctf_get_decl_from_def(list[i]);
+ type = bt_ctf_field_type(l);
+ if (type == CTF_TYPE_INTEGER) {
+ if (bt_ctf_get_int_signedness(l) == 0)
+ printf("%" PRIu64 "", bt_ctf_get_uint64(list[i]));
+ else
+ printf("%" PRId64 "", bt_ctf_get_int64(list[i]));
+ } else if (type == CTF_TYPE_STRING) {
+ printf("%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);
+ }
+ }
+}
+
+/*
+ * hook on each event to check the timestamp and refresh the display if
+ * necessary
+ */
+enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data)
+{
+ unsigned long timestamp;
+ uint64_t delta;
+ struct tm start;
+ uint64_t ts_nsec_start;
+ int pid, cpu_id, tid, ret, lookup;
+ const struct bt_definition *scope;
+ const char *hostname, *procname;
+ struct cputime *cpu;
+ char *from_syscall = NULL;
+
+ timestamp = bt_ctf_get_timestamp(call_data);
+
+ /* can happen in network live when tracing is idle */
+ if (timestamp < last_event_ts)
+ goto end_stop;
+
+ last_event_ts = timestamp;
+
+ start = format_timestamp(timestamp);
+ ts_nsec_start = timestamp % NSEC_PER_SEC;
+
+ pid = get_context_pid(call_data);
+ if (pid == -1ULL && opt_tid) {
+ goto error;
+ }
+
+ tid = get_context_tid(call_data);
+
+ hostname = get_context_hostname(call_data);
+ if (opt_child)
+ lookup = pid;
+ else
+ lookup = tid;
+ if (opt_tid || opt_hostname || opt_exec_name) {
+ if (!lookup_filter_tid_list(lookup)) {
+ /* To display when a process of ours in getting scheduled in */
+ if (strcmp(bt_ctf_event_name(call_data), "sched_switch") == 0) {
+ int next_tid;
+
+ scope = bt_ctf_get_top_level_scope(call_data,
+ BT_EVENT_FIELDS);
+ next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+ scope, "_next_tid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing next_tid field\n");
+ goto error;
+ }
+ if (!lookup_filter_tid_list(next_tid)) {
+ goto end;
+ }
+ } else {
+ goto end;
+ }
+ }
+ }
+
+ cpu_id = get_cpu_id(call_data);
+ procname = get_context_comm(call_data);
+ if (strncmp(bt_ctf_event_name(call_data), "sys_", 4) == 0) {
+ cpu = get_cpu(cpu_id);
+ cpu->current_syscall = g_new0(struct syscall, 1);
+ cpu->current_syscall->name = strdup(bt_ctf_event_name(call_data));
+ cpu->current_syscall->ts_start = timestamp;
+ } else if ((strncmp(bt_ctf_event_name(call_data), "exit_syscall", 12)) == 0) {
+ struct tm start_ts;
+
+ cpu = get_cpu(cpu_id);
+ if (cpu->current_syscall) {
+ delta = timestamp - cpu->current_syscall->ts_start;
+ start_ts = format_timestamp(cpu->current_syscall->ts_start);
+ ret = asprintf(&from_syscall, " [from %02d:%02d:%02d.%09" PRIu64
+ " (+%" PRIu64 ".%09" PRIu64 ") (cpu %d) %s]\n",
+ start_ts.tm_hour, start_ts.tm_min, start_ts.tm_sec,
+ cpu->current_syscall->ts_start % NSEC_PER_SEC,
+ delta / NSEC_PER_SEC, delta % NSEC_PER_SEC,
+ cpu_id, cpu->current_syscall->name);
+ if (ret < 0) {
+ goto error;
+ }
+ free(cpu->current_syscall->name);
+ g_free(cpu->current_syscall);
+ cpu->current_syscall = NULL;
}
}
+
+ if (prev_ts == 0)
+ prev_ts = timestamp;
+ delta = timestamp - prev_ts;
+ prev_ts = timestamp;
+
+ printf("%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,
+ delta % NSEC_PER_SEC, (hostname) ? hostname : "",
+ (hostname) ? " ": "", cpu_id, procname, pid, tid,
+ bt_ctf_event_name(call_data));
+ print_fields(call_data);
+ printf(")%s", (from_syscall) ? from_syscall : "\n");
+
+ free(from_syscall);
+
+end:
+ return BT_CB_OK;
+error:
+ return BT_CB_ERROR_STOP;
+end_stop:
+ return BT_CB_OK_STOP;
+}
+
+enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data)
+{
+ int i;
+ struct kprobes *kprobe;
+
+ /* for kprobes */
+ for (i = 0; i < lttngtop.kprobes_table->len; i++) {
+ kprobe = g_ptr_array_index(lttngtop.kprobes_table, i);
+ if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) {
+ kprobe->count++;
+ }
+ }
+
+ return BT_CB_OK;
}
/*
if (timestamp == -1ULL)
goto error;
+ /* can happen in network live when tracing is idle */
+ if (timestamp < last_event_ts)
+ goto end_stop;
+
+ last_event_ts = timestamp;
+
if (last_display_update == 0)
last_display_update = timestamp;
error:
fprintf(stderr, "check_timestamp callback error\n");
return BT_CB_ERROR_STOP;
+
+end_stop:
+ return BT_CB_OK_STOP;
}
/*
struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
struct cputime *cpu)
{
- struct perfcounter *ret, *global;
+ struct perfcounter *ret;
GHashTable *table;
if (proc)
ret->visible = 1;
g_hash_table_insert(table, (gpointer) strdup(name), ret);
- global = g_hash_table_lookup(global_perf_liszt, (gpointer) name);
- if (!global) {
- global = g_new0(struct perfcounter, 1);
- memcpy(global, ret, sizeof(struct perfcounter));
- /* by default, sort on the first perf context */
- if (g_hash_table_size(global_perf_liszt) == 0)
- global->sort = 1;
- g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global);
- }
-
end:
return ret;
}
void extract_perf_counter_scope(const struct bt_ctf_event *event,
- const struct definition *scope,
+ const struct bt_definition *scope,
struct processtop *proc,
struct cputime *cpu)
{
- struct definition const * const *list = NULL;
+ struct bt_definition const * const *list = NULL;
+ const struct bt_definition *field;
unsigned int count;
- int i, ret;
+ struct perfcounter *perfcounter;
+ GHashTableIter iter;
+ gpointer key;
+ int ret;
if (!scope)
goto end;
if (ret < 0)
goto end;
- for (i = 0; i < count; i++) {
- const char *name = bt_ctf_field_name(list[i]);
- if (strncmp(name, "perf_", 5) == 0) {
- int value = bt_ctf_get_uint64(list[i]);
+ if (count == 0)
+ goto end;
+
+ g_hash_table_iter_init(&iter, global_perf_liszt);
+ while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) {
+ field = bt_ctf_get_field(event, scope, (char *) key);
+ if (field) {
+ int value = bt_ctf_get_uint64(field);
if (bt_ctf_field_get_error())
continue;
- update_perf_value(proc, cpu, name, value);
+ update_perf_value(proc, cpu, (char *) key, value);
}
}
void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event)
{
struct cputime *cpu;
- const struct definition *scope;
+ const struct bt_definition *scope;
cpu = get_cpu(get_cpu_id(event));
enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data,
void *private_data)
{
- int pid, tid, ppid;
- char *comm;
+ int pid, tid, ppid, vpid, vtid, vppid;
+ char *comm, *hostname;
struct processtop *parent, *child;
unsigned long timestamp;
if (pid == -1ULL) {
goto error;
}
+
tid = get_context_tid(call_data);
if (tid == -1ULL) {
goto error;
if (ppid == -1ULL) {
goto error;
}
+ vpid = get_context_vpid(call_data);
+ if (pid == -1ULL) {
+ vpid = -1;
+ }
+ vtid = get_context_vtid(call_data);
+ if (tid == -1ULL) {
+ vtid = -1;
+ }
+ vppid = get_context_vppid(call_data);
+ if (ppid == -1ULL) {
+ vppid = -1;
+ }
comm = get_context_comm(call_data);
if (!comm) {
goto error;
}
+ /* optional */
+ hostname = get_context_hostname(call_data);
/* find or create the current process */
child = find_process_tid(<tngtop, tid, comm);
if (!child)
- child = add_proc(<tngtop, tid, comm, timestamp);
- update_proc(child, pid, tid, ppid, comm);
+ child = add_proc(<tngtop, tid, comm, timestamp, hostname);
+ if (!child)
+ goto end;
+ update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname);
if (pid != tid) {
/* find or create the parent */
parent = find_process_tid(<tngtop, pid, comm);
if (!parent) {
- parent = add_proc(<tngtop, pid, comm, timestamp);
- parent->pid = pid;
+ parent = add_proc(<tngtop, pid, comm, timestamp, hostname);
+ if (parent)
+ parent->pid = pid;
}
/* attach the parent to the current process */
update_perf_counter(child, call_data);
+end:
return BT_CB_OK;
error:
{
copies = g_ptr_array_new();
global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal);
+ global_filter_list = g_hash_table_new(g_str_hash, g_str_equal);
+ global_host_list = g_hash_table_new(g_str_hash, g_str_equal);
+ tid_filter_list = g_hash_table_new(g_str_hash,
+ g_str_equal);
sem_init(&goodtodisplay, 0, 0);
sem_init(&goodtoupdate, 0, 1);
lttngtop.nbthreads = 0;
lttngtop.nbfiles = 0;
+ lttngtop.process_hash_table = g_hash_table_new(g_direct_hash,
+ g_direct_equal);
lttngtop.process_table = g_ptr_array_new();
lttngtop.files_table = g_ptr_array_new();
lttngtop.cpu_table = g_ptr_array_new();
+
+ toggle_filter = -1;
}
void usage(FILE *fp)
{
fprintf(fp, "LTTngTop %s\n\n", VERSION);
- fprintf(fp, "Usage : lttngtop /path/to/trace\n");
+ fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n");
+ fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n");
+ fprintf(fp, " -h, --help This help message\n");
+ fprintf(fp, " -t, --textdump Display live events in text-only\n");
+ fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n");
+ fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n");
+ fprintf(fp, " -n, --hostname Comma-separated list of hostnames to display (require hostname context in trace)\n");
+ 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");
+}
+
+/*
+ * Parse probe options.
+ * Shamelessly stolen from lttng-tools :
+ * src/bin/lttng/commands/enable_events.c
+ */
+static struct kprobes *parse_probe_opts(char *opt)
+{
+ char s_hex[19];
+ char name[LTTNG_SYMBOL_NAME_LEN];
+ struct kprobes *kprobe;
+ int ret;
+
+ /*
+ kprobe->probe_addr = 0;
+ kprobe->probe_offset = 0;
+ asprintf(&kprobe->probe_name, "probe_sys_open");
+ asprintf(&kprobe->symbol_name, "sys_open");
+ */
+
+ if (opt == NULL) {
+ kprobe = NULL;
+ goto end;
+ }
+
+ kprobe = g_new0(struct kprobes, 1);
+
+ /* Check for symbol+offset */
+ ret = sscanf(opt, "%[^'+']+%s", name, s_hex);
+ if (ret == 2) {
+ ret = asprintf(&kprobe->probe_name, "probe_%s", name);
+ ret = asprintf(&kprobe->symbol_name, "%s", name);
+
+ if (strlen(s_hex) == 0) {
+ fprintf(stderr, "Invalid probe offset %s", s_hex);
+ ret = -1;
+ goto end;
+ }
+ kprobe->probe_offset = strtoul(s_hex, NULL, 0);
+ kprobe->probe_addr = 0;
+ goto end;
+ }
+
+ /* Check for symbol */
+ if (isalpha(name[0])) {
+ ret = sscanf(opt, "%s", name);
+ if (ret == 1) {
+ ret = asprintf(&kprobe->probe_name, "probe_%s", name);
+ ret = asprintf(&kprobe->symbol_name, "%s", name);
+ kprobe->probe_offset = 0;
+ kprobe->probe_addr = 0;
+ goto end;
+ }
+ }
+
+ /* Check for address */
+ ret = sscanf(opt, "%s", s_hex);
+ if (ret > 0) {
+ if (strlen(s_hex) == 0) {
+ fprintf(stderr, "Invalid probe address %s", s_hex);
+ ret = -1;
+ goto end;
+ }
+ ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex);
+ kprobe->probe_offset = 0;
+ kprobe->probe_addr = strtoul(s_hex, NULL, 0);
+ goto end;
+ }
+
+ /* No match */
+ kprobe = NULL;
+
+end:
+ return kprobe;
}
/*
{
poptContext pc;
int opt, ret = 0;
+ char *tmp_str;
+ int *tid;
+ int i;
- if (argc == 1) {
- usage(stdout);
- return 1; /* exit cleanly */
- }
+ remote_live = 0;
pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
usage(stdout);
ret = 1; /* exit cleanly */
goto end;
+ case OPT_TEXTDUMP:
+ opt_textdump = 1;
+ break;
+ case OPT_CHILD:
+ opt_child = 1;
+ break;
+ case OPT_PID:
+ toggle_filter = 1;
+ tmp_str = strtok(opt_tid, ",");
+ while (tmp_str) {
+ tid = malloc(sizeof(int));
+ *tid = atoi(tmp_str);
+ g_hash_table_insert(tid_filter_list,
+ (gpointer) tid, tid);
+ tmp_str = strtok(NULL, ",");
+ }
+ break;
+ case OPT_BEGIN:
+ /* start reading the live trace from the beginning */
+ opt_begin = 1;
+ break;
+ case OPT_HOSTNAME:
+ toggle_filter = 1;
+ tmp_str = strtok(opt_hostname, ",");
+ while (tmp_str) {
+ add_hostname_list(tmp_str, 1);
+ tmp_str = strtok(NULL, ",");
+ }
+ break;
+ case OPT_RELAY_HOSTNAME:
+ remote_live = 1;
+ break;
+ case OPT_KPROBES:
+ lttngtop.kprobes_table = g_ptr_array_new();
+ tmp_str = strtok(opt_kprobes, ",");
+ while (tmp_str) {
+ struct kprobes *kprobe;
+
+ kprobe = parse_probe_opts(tmp_str);
+ if (kprobe) {
+ g_ptr_array_add(
+ lttngtop.kprobes_table,
+ kprobe);
+ } else {
+ ret = -EINVAL;
+ goto end;
+ }
+ tmp_str = strtok(NULL, ",");
+ }
+ break;
default:
ret = -EINVAL;
goto end;
}
}
- opt_input_path = poptGetArg(pc);
- if (!opt_input_path) {
- ret = -EINVAL;
- goto end;
+ opt_exec_name = NULL;
+ opt_exec_argv = NULL;
+ for (i = 0; i < argc; i++) {
+ if (argv[i][0] == '-' && argv[i][1] == '-') {
+ opt_exec_name = argv[i + 1];
+ opt_exec_argv = &argv[i + 1];
+ break;
+ }
}
+ if (!opt_exec_name) {
+ opt_input_path = poptGetArg(pc);
+ }
+
end:
if (pc) {
poptFreeContext(pc);
{
struct bt_ctf_iter *iter;
struct bt_iter_pos begin_pos;
+ struct kprobes *kprobe;
const struct bt_ctf_event *event;
+ int i;
int ret = 0;
begin_pos.type = BT_SEEK_BEGIN;
iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL);
- /* at each event check if we need to refresh */
- bt_ctf_iter_add_callback(iter, 0, NULL, 0,
- check_timestamp,
- NULL, NULL, NULL);
/* at each event, verify the status of the process table */
bt_ctf_iter_add_callback(iter, 0, NULL, 0,
fix_process_table,
NULL, NULL, NULL);
- /* to handle the scheduling events */
+ /* to handle the follow child option */
bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string("sched_switch"),
- NULL, 0, handle_sched_switch, NULL, NULL, NULL);
+ g_quark_from_static_string("sched_process_fork"),
+ NULL, 0, handle_sched_process_fork, NULL, NULL, NULL);
/* to clean up the process table */
bt_ctf_iter_add_callback(iter,
g_quark_from_static_string("sched_process_free"),
NULL, 0, handle_sched_process_free, NULL, NULL, NULL);
- /* to get all the process from the statedumps */
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string(
- "lttng_statedump_process_state"),
- NULL, 0, handle_statedump_process_state,
- NULL, NULL, NULL);
-
- /* for IO top */
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string("exit_syscall"),
- NULL, 0, handle_exit_syscall, NULL, NULL, NULL);
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string("sys_write"),
- NULL, 0, handle_sys_write, NULL, NULL, NULL);
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string("sys_read"),
- NULL, 0, handle_sys_read, NULL, NULL, NULL);
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string("sys_open"),
- NULL, 0, handle_sys_open, NULL, NULL, NULL);
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string("sys_close"),
- NULL, 0, handle_sys_close, NULL, NULL, NULL);
- bt_ctf_iter_add_callback(iter,
- g_quark_from_static_string(
+ if (opt_textdump) {
+ bt_ctf_iter_add_callback(iter, 0, NULL, 0,
+ print_timestamp,
+ NULL, NULL, NULL);
+ } else {
+ /* at each event check if we need to refresh */
+ bt_ctf_iter_add_callback(iter, 0, NULL, 0,
+ check_timestamp,
+ NULL, NULL, NULL);
+ /* to handle the scheduling events */
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sched_switch"),
+ NULL, 0, handle_sched_switch, NULL, NULL, NULL);
+ /* to get all the process from the statedumps */
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string(
+ "lttng_statedump_process_state"),
+ NULL, 0, handle_statedump_process_state,
+ NULL, NULL, NULL);
+
+ /* for IO top */
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("exit_syscall"),
+ NULL, 0, handle_exit_syscall, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sys_write"),
+ NULL, 0, handle_sys_write, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sys_read"),
+ NULL, 0, handle_sys_read, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sys_open"),
+ NULL, 0, handle_sys_open, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sys_close"),
+ NULL, 0, handle_sys_close, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string(
"lttng_statedump_file_descriptor"),
- NULL, 0, handle_statedump_file_descriptor,
- NULL, NULL, NULL);
+ NULL, 0, handle_statedump_file_descriptor,
+ NULL, NULL, NULL);
+
+ /* for kprobes */
+ if (lttngtop.kprobes_table) {
+ for (i = 0; i < lttngtop.kprobes_table->len; i++) {
+ kprobe = g_ptr_array_index(lttngtop.kprobes_table, i);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string(
+ kprobe->probe_name),
+ NULL, 0, handle_kprobes,
+ NULL, NULL, NULL);
+ }
+ }
+ }
+
+ if (opt_exec_name) {
+ pid_t pid;
+
+ pid = fork();
+ if (pid == 0) {
+ execvpe(opt_exec_name, opt_exec_argv, opt_exec_env);
+ exit(EXIT_SUCCESS);
+ } else if (pid > 0) {
+ opt_exec_pid = pid;
+ g_hash_table_insert(tid_filter_list,
+ (gpointer) &pid,
+ &pid);
+ } else {
+ perror("fork");
+ exit(EXIT_FAILURE);
+ }
+ }
while ((event = bt_ctf_iter_read_event(iter)) != NULL) {
+ if (quit || reload_trace)
+ goto end_iter;
ret = bt_iter_next(bt_ctf_get_iter(iter));
if (ret < 0)
goto end_iter;
*/
int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
const char *format_str,
- void (*packet_seek)(struct stream_pos *pos,
+ void (*packet_seek)(struct bt_stream_pos *pos,
size_t offset, int whence))
{
FTS *tree;
char * const paths[2] = { lpath, NULL };
int ret = -1;
+ 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);
+ /* Allow to skip erroneous traces. */
+ ret = 1; /* partial error */
+ }
+ return ret;
+ }
/*
* Need to copy path, because fts_open can change it.
* It is the pointer array, not the strings, that are constant.
metafd = openat(dirfd, "metadata", O_RDONLY);
if (metafd < 0) {
close(dirfd);
- ret = -1;
continue;
} else {
int trace_id;
int *procname_check, int *ppid_check)
{
int j;
+ struct perfcounter *global;
+ const char *name;
for (j = 0; j < field_cnt; j++) {
+ name = bt_ctf_get_decl_field_name(field_list[j]);
if (*tid_check == 0) {
- if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "tid", 3) == 0) {
+ if (strncmp(name, "tid", 3) == 0)
(*tid_check)++;
- }
}
if (*pid_check == 0) {
- if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "pid", 3) == 0)
+ if (strncmp(name, "pid", 3) == 0)
(*pid_check)++;
}
if (*ppid_check == 0) {
- if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "ppid", 4) == 0)
+ if (strncmp(name, "ppid", 4) == 0)
(*ppid_check)++;
}
if (*procname_check == 0) {
- if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "procname", 8) == 0)
+ if (strncmp(name, "procname", 8) == 0)
(*procname_check)++;
}
+ if (strncmp(name, "perf_", 5) == 0) {
+ global = g_hash_table_lookup(global_perf_liszt, (gpointer) name);
+ if (!global) {
+ global = g_new0(struct perfcounter, 1);
+ /* by default, sort on the first perf context */
+ if (g_hash_table_size(global_perf_liszt) == 0)
+ global->sort = 1;
+ global->visible = 1;
+ g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global);
+ }
+ }
}
- /* if all checks are OK, no need to continue the checks */
+
if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 &&
*procname_check == 1)
return 0;
int ppid_check = 0;
int ret = 0;
- bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt);
+ ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt);
+ if (ret < 0) {
+ goto end;
+ }
+
for (i = 0; i < evt_cnt; i++) {
bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT,
&field_list, &field_cnt);
ret = check_field_requirements(field_list, field_cnt,
&tid_check, &pid_check, &procname_check,
&ppid_check);
- if (ret == 0)
- goto end;
bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT,
&field_list, &field_cnt);
ret = check_field_requirements(field_list, field_cnt,
&tid_check, &pid_check, &procname_check,
&ppid_check);
- if (ret == 0)
- goto end;
bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT,
&field_list, &field_cnt);
ret = check_field_requirements(field_list, field_cnt,
&tid_check, &pid_check, &procname_check,
&ppid_check);
- if (ret == 0)
- goto end;
}
if (tid_check == 0) {
return ret;
}
-int main(int argc, char **argv)
+static void handle_sigchild(int signal)
+{
+ int status;
+
+ waitpid(opt_exec_pid, &status, 0);
+}
+
+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) {
fprintf(stdout, "Error parsing options.\n\n");
exit(EXIT_SUCCESS);
}
- init_lttngtop();
-
- bt_ctx = bt_context_create();
- ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL);
- if (ret < 0) {
- fprintf(stderr, "[error] Opening the trace\n");
- goto end;
+ if (opt_exec_name) {
+ opt_exec_env = envp;
+ signal(SIGCHLD, handle_sigchild);
}
- ret = check_requirements(bt_ctx);
- if (ret < 0) {
- fprintf(stderr, "[error] some mandatory contexts were missing, exiting.\n");
+ if (!opt_input_path && !remote_live && !opt_exec_name) {
+ /* mmap live */
+#ifdef LTTNGTOP_MMAP_LIVE
+ if (opt_textdump) {
+ signal(SIGTERM, handle_textdump_sigterm);
+ signal(SIGINT, handle_textdump_sigterm);
+ }
+ mmap_live_loop(bt_ctx);
+ pthread_join(timer_thread, NULL);
+ quit = 1;
+ pthread_join(display_thread, NULL);
+
+ lttng_stop_tracing("test");
+ lttng_destroy_session("test");
+
goto end;
- }
+#else
+ fprintf(stderr, "[ERROR] Mmap live support not compiled, specify a "
+ "trace directory or -r <relayd hostname/IP>\n");
+ usage(stdout);
+ ret = -1;
+ goto end;
+#endif /* LTTNGTOP_MMAP_LIVE */
+ } else if (!opt_input_path && remote_live) {
+ /* network live */
+ bt_ctx = bt_context_create();
+ ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname,
+ "lttng-live", NULL);
+ if (ret < 0) {
+ fprintf(stderr, "[error] Opening the trace\n");
+ goto end;
+ }
+ } else {
+ //init_lttngtop();
+
+ bt_ctx = bt_context_create();
+ ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL);
+ if (ret < 0) {
+ fprintf(stderr, "[error] Opening the trace\n");
+ goto end;
+ }
- pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL);
- pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL);
+ ret = check_requirements(bt_ctx);
+ if (ret < 0) {
+ fprintf(stderr, "[error] some mandatory contexts "
+ "were missing, exiting.\n");
+ goto end;
+ }
+
+ if (!opt_textdump) {
+ pthread_create(&display_thread, NULL, ncurses_display,
+ (void *) NULL);
+ pthread_create(&timer_thread, NULL, refresh_thread,
+ (void *) NULL);
+ }
+
+ iter_trace(bt_ctx);
+ }
- iter_trace(bt_ctx);
- quit = 1;
pthread_join(display_thread, NULL);
+ quit = 1;
pthread_join(timer_thread, NULL);
+ ret = 0;
+
end:
- bt_context_put(bt_ctx);
- return 0;
+ if (bt_ctx)
+ bt_context_put(bt_ctx);
+
+ return ret;
}
projects / lttngtop.git / blobdiff