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pipewire/src/tools/pw-top.c

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/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2020 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include <stdio.h>
#include <signal.h>
#include <getopt.h>
#include <locale.h>
#include <ncurses.h>
#include <spa/utils/result.h>
#include <spa/utils/string.h>
#include <spa/pod/parser.h>
#include <spa/debug/types.h>
#include <spa/param/format-utils.h>
#include <spa/param/audio/format-utils.h>
#include <spa/param/video/format-utils.h>
#include <pipewire/impl.h>
#include <pipewire/extensions/profiler.h>
#define MAX_FORMAT 16
#define MAX_NAME 128
struct driver {
int64_t count;
float cpu_load[3];
struct spa_io_clock clock;
uint32_t xrun_count;
};
struct measurement {
int32_t index;
int32_t status;
int64_t quantum;
int64_t prev_signal;
int64_t signal;
int64_t awake;
int64_t finish;
struct spa_fraction latency;
};
struct node {
struct spa_list link;
struct data *data;
uint32_t id;
char name[MAX_NAME+1];
enum pw_node_state state;
struct measurement measurement;
struct driver info;
struct node *driver;
uint32_t errors;
int32_t last_error_status;
uint32_t generation;
char format[MAX_FORMAT+1];
struct pw_proxy *proxy;
struct spa_hook proxy_listener;
unsigned int inactive:1;
struct spa_hook object_listener;
};
struct data {
struct pw_main_loop *loop;
struct pw_context *context;
struct pw_core *core;
struct spa_hook core_listener;
struct pw_registry *registry;
struct spa_hook registry_listener;
struct pw_proxy *profiler;
struct spa_hook profiler_listener;
int check_profiler;
struct spa_source *timer;
int n_nodes;
struct spa_list node_list;
uint32_t generation;
unsigned pending_refresh:1;
WINDOW *win;
};
struct point {
struct node *driver;
struct driver info;
};
static int process_info(struct data *d, const struct spa_pod *pod, struct driver *info)
{
return spa_pod_parse_struct(pod,
SPA_POD_Long(&info->count),
SPA_POD_Float(&info->cpu_load[0]),
SPA_POD_Float(&info->cpu_load[1]),
SPA_POD_Float(&info->cpu_load[2]),
SPA_POD_Int(&info->xrun_count));
}
static int process_clock(struct data *d, const struct spa_pod *pod, struct driver *info)
{
return spa_pod_parse_struct(pod,
SPA_POD_Int(&info->clock.flags),
SPA_POD_Int(&info->clock.id),
SPA_POD_Stringn(info->clock.name, sizeof(info->clock.name)),
SPA_POD_Long(&info->clock.nsec),
SPA_POD_Fraction(&info->clock.rate),
SPA_POD_Long(&info->clock.position),
SPA_POD_Long(&info->clock.duration),
SPA_POD_Long(&info->clock.delay),
SPA_POD_Double(&info->clock.rate_diff),
SPA_POD_Long(&info->clock.next_nsec));
}
static struct node *find_node(struct data *d, uint32_t id)
{
struct node *n;
spa_list_for_each(n, &d->node_list, link) {
if (n->id == id)
return n;
}
return NULL;
}
static void on_node_removed(void *data)
{
struct node *n = data;
pw_proxy_destroy(n->proxy);
}
static void on_node_destroy(void *data)
{
struct node *n = data;
n->proxy = NULL;
spa_hook_remove(&n->proxy_listener);
spa_hook_remove(&n->object_listener);
}
static const struct pw_proxy_events proxy_events = {
PW_VERSION_PROXY_EVENTS,
.removed = on_node_removed,
.destroy = on_node_destroy,
};
static void do_refresh(struct data *d);
static void node_info(void *data, const struct pw_node_info *info)
{
struct node *n = data;
if (n->state != info->state) {
n->state = info->state;
do_refresh(n->data);
}
}
static void node_param(void *data, int seq,
uint32_t id, uint32_t index, uint32_t next,
const struct spa_pod *param)
{
struct node *n = data;
if (param == NULL) {
spa_zero(n->format);
goto done;
}
switch (id) {
case SPA_PARAM_Format:
{
uint32_t media_type, media_subtype;
if (spa_format_parse(param, &media_type, &media_subtype) < 0)
goto done;
switch(media_type) {
case SPA_MEDIA_TYPE_audio:
switch(media_subtype) {
case SPA_MEDIA_SUBTYPE_raw:
{
struct spa_audio_info_raw info = { 0 };
if (spa_format_audio_raw_parse(param, &info) >= 0) {
snprintf(n->format, sizeof(n->format), "%6.6s %d %d",
spa_debug_type_find_short_name(
spa_type_audio_format, info.format),
info.channels, info.rate);
}
break;
}
case SPA_MEDIA_SUBTYPE_dsd:
{
struct spa_audio_info_dsd info = { 0 };
if (spa_format_audio_dsd_parse(param, &info) >= 0) {
snprintf(n->format, sizeof(n->format), "DSD%d %d ",
8 * info.rate / 44100, info.channels);
}
break;
}
case SPA_MEDIA_SUBTYPE_iec958:
{
struct spa_audio_info_iec958 info = { 0 };
if (spa_format_audio_iec958_parse(param, &info) >= 0) {
snprintf(n->format, sizeof(n->format), "IEC958 %s %d",
spa_debug_type_find_short_name(
spa_type_audio_iec958_codec, info.codec),
info.rate);
}
break;
}
}
break;
case SPA_MEDIA_TYPE_video:
switch(media_subtype) {
case SPA_MEDIA_SUBTYPE_raw:
{
struct spa_video_info_raw info = { 0 };
if (spa_format_video_raw_parse(param, &info) >= 0) {
snprintf(n->format, sizeof(n->format), "%6.6s %dx%d",
spa_debug_type_find_short_name(spa_type_video_format, info.format),
info.size.width, info.size.height);
}
break;
}
case SPA_MEDIA_SUBTYPE_mjpg:
{
struct spa_video_info_mjpg info = { 0 };
if (spa_format_video_mjpg_parse(param, &info) >= 0) {
snprintf(n->format, sizeof(n->format), "MJPG %dx%d",
info.size.width, info.size.height);
}
break;
}
case SPA_MEDIA_SUBTYPE_h264:
{
struct spa_video_info_h264 info = { 0 };
if (spa_format_video_h264_parse(param, &info) >= 0) {
snprintf(n->format, sizeof(n->format), "H264 %dx%d",
info.size.width, info.size.height);
}
break;
}
}
break;
case SPA_MEDIA_TYPE_application:
switch(media_subtype) {
case SPA_MEDIA_SUBTYPE_control:
snprintf(n->format, sizeof(n->format), "%s", "CONTROL");
break;
}
break;
}
break;
}
default:
break;
}
done:
do_refresh(n->data);
}
static const struct pw_node_events node_events = {
PW_VERSION_NODE,
.info = node_info,
.param = node_param,
};
static struct node *add_node(struct data *d, uint32_t id, const char *name)
{
struct node *n;
if ((n = calloc(1, sizeof(*n))) == NULL)
return NULL;
if (name)
strncpy(n->name, name, MAX_NAME);
else
snprintf(n->name, sizeof(n->name), "%u", id);
n->data = d;
n->id = id;
n->driver = n;
n->proxy = pw_registry_bind(d->registry, id, PW_TYPE_INTERFACE_Node, PW_VERSION_NODE, 0);
if (n->proxy) {
uint32_t ids[1] = { SPA_PARAM_Format };
pw_proxy_add_listener(n->proxy,
&n->proxy_listener, &proxy_events, n);
pw_proxy_add_object_listener(n->proxy,
&n->object_listener, &node_events, n);
pw_node_subscribe_params((struct pw_node*)n->proxy,
ids, 1);
}
spa_list_append(&d->node_list, &n->link);
d->n_nodes++;
d->pending_refresh = true;
return n;
}
static void remove_node(struct data *d, struct node *n)
{
if (n->proxy)
pw_proxy_destroy(n->proxy);
spa_list_remove(&n->link);
d->n_nodes--;
d->pending_refresh = true;
free(n);
}
static int process_driver_block(struct data *d, const struct spa_pod *pod, struct point *point)
{
char *name = NULL;
uint32_t id = 0;
struct measurement m;
struct node *n;
int res;
spa_zero(m);
if ((res = spa_pod_parse_struct(pod,
SPA_POD_Int(&id),
SPA_POD_String(&name),
SPA_POD_Long(&m.prev_signal),
SPA_POD_Long(&m.signal),
SPA_POD_Long(&m.awake),
SPA_POD_Long(&m.finish),
SPA_POD_Int(&m.status),
SPA_POD_Fraction(&m.latency))) < 0)
return res;
if ((n = find_node(d, id)) == NULL)
return -ENOENT;
n->driver = n;
n->measurement = m;
n->info = point->info;
point->driver = n;
n->generation = d->generation;
if (m.status != 3) {
n->errors++;
if (n->last_error_status == -1)
n->last_error_status = m.status;
}
return 0;
}
static int process_follower_block(struct data *d, const struct spa_pod *pod, struct point *point)
{
uint32_t id = 0;
const char *name = NULL;
struct measurement m;
struct node *n;
int res;
spa_zero(m);
if ((res = spa_pod_parse_struct(pod,
SPA_POD_Int(&id),
SPA_POD_String(&name),
SPA_POD_Long(&m.prev_signal),
SPA_POD_Long(&m.signal),
SPA_POD_Long(&m.awake),
SPA_POD_Long(&m.finish),
SPA_POD_Int(&m.status),
SPA_POD_Fraction(&m.latency))) < 0)
return res;
if ((n = find_node(d, id)) == NULL)
return -ENOENT;
n->measurement = m;
if (n->driver != point->driver) {
n->driver = point->driver;
d->pending_refresh = true;
}
n->generation = d->generation;
if (m.status != 3) {
n->errors++;
if (n->last_error_status == -1)
n->last_error_status = m.status;
}
return 0;
}
static const char *print_time(char *buf, bool active, size_t len, uint64_t val)
{
if (val == (uint64_t)-1 || !active)
snprintf(buf, len, " --- ");
else if (val == (uint64_t)-2)
snprintf(buf, len, " +++ ");
else if (val < 1000000llu)
snprintf(buf, len, "%5.1fus", val/1000.f);
else if (val < 1000000000llu)
snprintf(buf, len, "%5.1fms", val/1000000.f);
else
snprintf(buf, len, "%5.1fs", val/1000000000.f);
return buf;
}
static const char *print_perc(char *buf, bool active, size_t len, uint64_t val, float quantum)
{
if (val == (uint64_t)-1 || !active) {
snprintf(buf, len, " --- ");
} else if (val == (uint64_t)-2) {
snprintf(buf, len, " +++ ");
} else {
float frac = val / 1000000000.f;
snprintf(buf, len, "%5.2f", quantum == 0.0f ? 0.0f : frac/quantum);
}
return buf;
}
static const char *state_as_string(enum pw_node_state state)
{
switch (state) {
case PW_NODE_STATE_ERROR:
return "E";
case PW_NODE_STATE_CREATING:
return "C";
case PW_NODE_STATE_SUSPENDED:
return "S";
case PW_NODE_STATE_IDLE:
return "I";
case PW_NODE_STATE_RUNNING:
return "R";
}
return "!";
}
static void print_node(struct data *d, struct driver *i, struct node *n, int y)
{
char buf1[64];
char buf2[64];
char buf3[64];
char buf4[64];
uint64_t waiting, busy;
float quantum;
struct spa_fraction frac;
bool active;
active = n->state == PW_NODE_STATE_RUNNING || n->state == PW_NODE_STATE_IDLE;
if (!active)
frac = SPA_FRACTION(0, 0);
else if (n->driver == n)
frac = SPA_FRACTION((uint32_t)(i->clock.duration * i->clock.rate.num), i->clock.rate.denom);
else
frac = SPA_FRACTION(n->measurement.latency.num, n->measurement.latency.denom);
if (i->clock.rate.denom)
quantum = (float)i->clock.duration * i->clock.rate.num / (float)i->clock.rate.denom;
else
quantum = 0.0;
if (n->measurement.awake >= n->measurement.signal)
waiting = n->measurement.awake - n->measurement.signal;
else if (n->measurement.signal > n->measurement.prev_signal)
waiting = -2;
else
waiting = -1;
if (n->measurement.finish >= n->measurement.awake)
busy = n->measurement.finish - n->measurement.awake;
else if (n->measurement.awake > n->measurement.prev_signal)
busy = -2;
else
busy = -1;
mvwprintw(d->win, y, 0, "%s %4.1u %6.1u %6.1u %s %s %s %s %3.1u %16.16s %s%s",
state_as_string(n->state),
n->id,
frac.num, frac.denom,
print_time(buf1, active, 64, waiting),
print_time(buf2, active, 64, busy),
print_perc(buf3, active, 64, waiting, quantum),
print_perc(buf4, active, 64, busy, quantum),
i->xrun_count + n->errors,
active ? n->format : "",
n->driver == n ? "" : " + ",
n->name);
}
static void clear_node(struct node *n)
{
n->driver = n;
spa_zero(n->measurement);
spa_zero(n->info);
n->errors = 0;
n->last_error_status = 0;
}
static void do_refresh(struct data *d)
{
struct node *n, *t, *f;
int y = 1;
wclear(d->win);
wattron(d->win, A_REVERSE);
wprintw(d->win, "%-*.*s", COLS, COLS, "S ID QUANT RATE WAIT BUSY W/Q B/Q ERR FORMAT NAME ");
wattroff(d->win, A_REVERSE);
wprintw(d->win, "\n");
spa_list_for_each_safe(n, t, &d->node_list, link) {
if (n->driver != n)
continue;
print_node(d, &n->info, n, y++);
if(y > LINES)
break;
spa_list_for_each(f, &d->node_list, link) {
if (d->generation > f->generation + 22)
clear_node(f);
if (f->driver != n || f == n)
continue;
print_node(d, &n->info, f, y++);
if(y > LINES)
break;
}
}
// Clear from last line to the end of the window to hide text wrapping from the last node
wmove(d->win, y, 0);
wclrtobot(d->win);
wrefresh(d->win);
d->pending_refresh = false;
}
static void do_timeout(void *data, uint64_t expirations)
{
struct data *d = data;
d->generation++;
do_refresh(d);
}
static void profiler_profile(void *data, const struct spa_pod *pod)
{
struct data *d = data;
struct spa_pod *o;
struct spa_pod_prop *p;
struct point point;
SPA_POD_STRUCT_FOREACH(pod, o) {
int res = 0;
if (!spa_pod_is_object_type(o, SPA_TYPE_OBJECT_Profiler))
continue;
spa_zero(point);
SPA_POD_OBJECT_FOREACH((struct spa_pod_object*)o, p) {
switch(p->key) {
case SPA_PROFILER_info:
res = process_info(d, &p->value, &point.info);
break;
case SPA_PROFILER_clock:
res = process_clock(d, &p->value, &point.info);
break;
case SPA_PROFILER_driverBlock:
res = process_driver_block(d, &p->value, &point);
break;
case SPA_PROFILER_followerBlock:
process_follower_block(d, &p->value, &point);
break;
default:
break;
}
if (res < 0)
break;
}
if (res < 0)
continue;
}
if (d->pending_refresh)
do_refresh(d);
}
static const struct pw_profiler_events profiler_events = {
PW_VERSION_PROFILER_EVENTS,
.profile = profiler_profile,
};
static void registry_event_global(void *data, uint32_t id,
uint32_t permissions, const char *type, uint32_t version,
const struct spa_dict *props)
{
struct data *d = data;
struct pw_proxy *proxy;
if (spa_streq(type, PW_TYPE_INTERFACE_Node)) {
const char *str;
if ((str = spa_dict_lookup(props, PW_KEY_NODE_NAME)) == NULL &&
(str = spa_dict_lookup(props, PW_KEY_NODE_DESCRIPTION)) == NULL) {
str = spa_dict_lookup(props, PW_KEY_APP_NAME);
}
if (add_node(d, id, str) == NULL) {
pw_log_warn("can add node %u: %m", id);
}
} else if (spa_streq(type, PW_TYPE_INTERFACE_Profiler)) {
if (d->profiler != NULL) {
printf("Ignoring profiler %d: already attached\n", id);
return;
}
proxy = pw_registry_bind(d->registry, id, type, PW_VERSION_PROFILER, 0);
if (proxy == NULL)
goto error_proxy;
d->profiler = proxy;
pw_proxy_add_object_listener(proxy, &d->profiler_listener, &profiler_events, d);
}
if (d->pending_refresh)
do_refresh(d);
return;
error_proxy:
pw_log_error("failed to create proxy: %m");
return;
}
static void registry_event_global_remove(void *data, uint32_t id)
{
struct data *d = data;
struct node *n;
if ((n = find_node(d, id)) != NULL)
remove_node(d, n);
if (d->pending_refresh)
do_refresh(d);
}
static const struct pw_registry_events registry_events = {
PW_VERSION_REGISTRY_EVENTS,
.global = registry_event_global,
.global_remove = registry_event_global_remove,
};
static void on_core_error(void *_data, uint32_t id, int seq, int res, const char *message)
{
struct data *data = _data;
if (id == PW_ID_CORE) {
switch (res) {
case -EPIPE:
pw_main_loop_quit(data->loop);
break;
default:
pw_log_error("error id:%u seq:%d res:%d (%s): %s",
id, seq, res, spa_strerror(res), message);
break;
}
} else {
pw_log_info("error id:%u seq:%d res:%d (%s): %s",
id, seq, res, spa_strerror(res), message);
}
}
static void on_core_done(void *_data, uint32_t id, int seq)
{
struct data *d = _data;
if (seq == d->check_profiler) {
if (d->profiler == NULL) {
pw_log_error("no Profiler Interface found, please load one in the server");
pw_main_loop_quit(d->loop);
} else {
do_refresh(d);
}
}
}
static const struct pw_core_events core_events = {
PW_VERSION_CORE_EVENTS,
.error = on_core_error,
.done = on_core_done,
};
static void do_quit(void *data, int signal_number)
{
struct data *d = data;
pw_main_loop_quit(d->loop);
}
static void show_help(const char *name, bool error)
{
fprintf(error ? stderr : stdout, "%s [options]\n"
" -h, --help Show this help\n"
" --version Show version\n"
" -r, --remote Remote daemon name\n",
name);
}
static void terminal_start(void)
{
initscr();
cbreak();
noecho();
refresh();
}
static void terminal_stop(void)
{
endwin();
}
static void do_handle_io(void *data, int fd, uint32_t mask)
{
struct data *d = data;
if (mask & SPA_IO_IN) {
int ch = getch();
switch(ch) {
case 'q':
pw_main_loop_quit(d->loop);
break;
default:
do_refresh(d);
break;
}
}
}
int main(int argc, char *argv[])
{
struct data data = { 0 };
struct pw_loop *l;
const char *opt_remote = NULL;
static const struct option long_options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "remote", required_argument, NULL, 'r' },
{ NULL, 0, NULL, 0}
};
int c;
struct timespec value, interval;
struct node *n;
setlocale(LC_ALL, "");
pw_init(&argc, &argv);
spa_list_init(&data.node_list);
while ((c = getopt_long(argc, argv, "hVr:o:", long_options, NULL)) != -1) {
switch (c) {
case 'h':
show_help(argv[0], false);
return 0;
case 'V':
printf("%s\n"
"Compiled with libpipewire %s\n"
"Linked with libpipewire %s\n",
argv[0],
pw_get_headers_version(),
pw_get_library_version());
return 0;
case 'r':
opt_remote = optarg;
break;
default:
show_help(argv[0], true);
return -1;
}
}
data.loop = pw_main_loop_new(NULL);
if (data.loop == NULL) {
fprintf(stderr, "Can't create data loop: %m\n");
return -1;
}
l = pw_main_loop_get_loop(data.loop);
pw_loop_add_signal(l, SIGINT, do_quit, &data);
pw_loop_add_signal(l, SIGTERM, do_quit, &data);
data.context = pw_context_new(l, NULL, 0);
if (data.context == NULL) {
fprintf(stderr, "Can't create context: %m\n");
return -1;
}
pw_context_load_module(data.context, PW_EXTENSION_MODULE_PROFILER, NULL, NULL);
data.core = pw_context_connect(data.context,
pw_properties_new(
PW_KEY_REMOTE_NAME, opt_remote,
NULL),
0);
if (data.core == NULL) {
fprintf(stderr, "Can't connect: %m\n");
return -1;
}
pw_core_add_listener(data.core,
&data.core_listener,
&core_events, &data);
data.registry = pw_core_get_registry(data.core,
PW_VERSION_REGISTRY, 0);
pw_registry_add_listener(data.registry,
&data.registry_listener,
&registry_events, &data);
data.check_profiler = pw_core_sync(data.core, 0, 0);
terminal_start();
data.win = newwin(LINES, COLS, 0, 0);
data.timer = pw_loop_add_timer(l, do_timeout, &data);
value.tv_sec = 1;
value.tv_nsec = 0;
interval.tv_sec = 1;
interval.tv_nsec = 0;
pw_loop_update_timer(l, data.timer, &value, &interval, false);
pw_loop_add_io(l, fileno(stdin), SPA_IO_IN, false, do_handle_io, &data);
pw_main_loop_run(data.loop);
terminal_stop();
spa_list_consume(n, &data.node_list, link)
remove_node(&data, n);
if (data.profiler) {
spa_hook_remove(&data.profiler_listener);
pw_proxy_destroy((struct pw_proxy*)data.profiler);
}
spa_hook_remove(&data.registry_listener);
pw_proxy_destroy((struct pw_proxy*)data.registry);
spa_hook_remove(&data.core_listener);
pw_context_destroy(data.context);
pw_main_loop_destroy(data.loop);
pw_deinit();
return 0;
}
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