From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
tools/intel_gpu_top.c | 268 +++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 263 insertions(+), 5 deletions(-)
diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
index 59a112240092..63f0c1941258 100644
--- a/tools/intel_gpu_top.c
+++ b/tools/intel_gpu_top.c
@@ -407,8 +407,222 @@ static void pmu_sample(struct engines *engines)
}
}
+enum client_status {
+ FREE = 0, /* mbz */
+ ALIVE,
+ PROBE
+};
+
+struct client {
+ enum client_status status;
+ unsigned int id;
+ unsigned int pid;
+ char name[128];
+ unsigned int samples;
+ unsigned long total;
+ struct engines *engines;
+ unsigned long *val;
+ uint64_t *last;
+};
+
+#define SYSFS_ENABLE "/sys/class/drm/card0/clients/enable_stats"
+#define SYSFS_CLIENTS "/sys/class/drm/card0/clients/"
+
+#define PERIOD_US (1000e3)
+
+static struct client *clients;
+static unsigned int num_clients;
+
+#define for_each_client(c, tmp) \
+ for (tmp = num_clients, c = clients; tmp > 0; tmp--, c++)
+
+static uint64_t read_client_busy(unsigned int id, const char *engine)
+{
+ char buf[256];
+ ssize_t ret;
+
+ ret = snprintf(buf, sizeof(buf), SYSFS_CLIENTS "/%u/busy/%s",
+ id, engine);
+ assert(ret > 0);
+
+ return filename_to_u64(buf, 10);
+}
+
+static struct client *find_client(enum client_status status, unsigned int id)
+{
+ struct client *c;
+ unsigned int tmp;
+
+ for_each_client(c, tmp) {
+ if ((status == FREE && c->status == FREE) ||
+ (status == c->status && c->id == id)) {
+ return c;
+ }
+ }
+
+ return NULL;
+}
+
+static void update_client(struct client *c, unsigned int pid, char *name)
+{
+ uint64_t val[c->engines->num_engines];
+ unsigned int i;
+
+ if (c->pid != pid)
+ c->pid = pid;
+
+ if (strncmp(c->name, name, sizeof(c->name)))
+ strncpy(c->name, name, sizeof(c->name));
+
+ for (i = 0; i < c->engines->num_engines; i++) {
+ struct engine *engine = engine_ptr(c->engines, i);
+
+ val[i] = read_client_busy(c->id, engine->name);
+ }
+
+ c->total = 0;
+
+ for (i = 0; i < c->engines->num_engines; i++) {
+ assert(val[i] >= c->last[i]);
+ c->val[i] = val[i] - c->last[i];
+ c->total += c->val[i];
+ c->last[i] = val[i];
+ }
+
+ c->samples++;
+ c->status = ALIVE;
+}
+
+static void
+add_client(unsigned int id, unsigned int pid, char *name,
+ struct engines *engines)
+{
+ struct client *c;
+
+ assert(!find_client(ALIVE, id));
+
+ c = find_client(FREE, 0);
+ if (!c) {
+ unsigned int idx = num_clients;
+
+ num_clients += (num_clients + 2) / 2;
+ clients = realloc(clients, num_clients * sizeof(*c));
+ assert(clients);
+ c = &clients[idx];
+ memset(c, 0, (num_clients - idx) * sizeof(*c));
+ }
+
+ c->id = id;
+ c->engines = engines;
+ c->val = calloc(engines->num_engines, sizeof(c->val));
+ c->last = calloc(engines->num_engines, sizeof(c->last));
+ assert(c->val && c->last);
+
+ update_client(c, pid, name);
+
+// c = find_client(c->status, c->id);
+}
+
+static void free_client(struct client *c)
+{
+ free(c->val);
+ free(c->last);
+ memset(c, 0, sizeof(*c));
+}
+
+static char *read_client_sysfs(unsigned int id, const char *field)
+{
+ char buf[256];
+ ssize_t ret;
+
+ ret = snprintf(buf, sizeof(buf), SYSFS_CLIENTS "/%u/%s", id, field);
+ assert(ret > 0);
+
+ ret = filename_to_buf(buf, buf, sizeof(buf));
+ assert(ret == 0);
+
+ return strdup(buf);
+}
+
+static void scan(struct engines *engines)
+{
+ struct dirent *dent;
+ struct client *c;
+ char *pid, *name;
+ unsigned int tmp;
+ unsigned int id;
+ DIR *d;
+
+ for_each_client(c, tmp) {
+ if (c->status == ALIVE)
+ c->status = PROBE;
+ }
+
+ d = opendir(SYSFS_CLIENTS);
+ assert(!NULL);
+
+ while ((dent = readdir(d)) != NULL) {
+ if (dent->d_type != DT_DIR)
+ continue;
+ if (!isdigit(dent->d_name[0]))
+ continue;
+
+ id = atoi(dent->d_name);
+
+ name = read_client_sysfs(id, "name");
+ assert(name);
+
+ pid = read_client_sysfs(id, "pid");
+ assert(pid);
+
+ c = find_client(PROBE, id);
+ if (c) {
+ update_client(c, atoi(pid), name);
+ continue;
+ }
+
+ add_client(id, atoi(pid), name, engines);
+
+ free(name);
+ free(pid);
+ }
+
+ closedir(d);
+
+ for_each_client(c, tmp) {
+ if (c->status == PROBE)
+ free_client(c);
+ }
+}
+
+static int cmp(const void *_a, const void *_b)
+{
+ const struct client *a = _a;
+ const struct client *b = _b;
+ long tot_a = a->total;
+ long tot_b = b->total;
+
+ if (a->status != ALIVE || a->samples < 2)
+ tot_a = -1;
+ if (b->status != ALIVE || b->samples < 2)
+ tot_b = -1;
+
+ if (tot_a == tot_b)
+ return a->pid - b->pid;
+ else
+ return -(tot_a - tot_b);
+}
+
static const char *bars[] = { " ", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█" };
+static void n_spaces(const unsigned int n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++)
+ putchar(' ');
+}
+
static void
print_percentage_bar(double percent, int max_len)
{
@@ -422,8 +636,7 @@ print_percentage_bar(double percent, int max_len)
if (i)
printf("%s", bars[i]);
- for (i = 0; i < (max_len - 2 - (bar_len + 7) / 8); i++)
- putchar(' ');
+ n_spaces(max_len - 2 - (bar_len + 7) / 8);
putchar('|');
}
@@ -500,16 +713,21 @@ int main(int argc, char **argv)
engines->load_exp[i] = exp(-period / load_period[i]);
pmu_sample(engines);
+ scan(engines);
for (;;) {
double t, freq[2], irq, rc6, power;
double qd = 0;
int lines = 0;
+ struct client *c;
+ unsigned int len, engine_w;
unsigned int j;
usleep(period_us);
pmu_sample(engines);
+ scan(engines);
+
t = (double)(engines->ts.cur - engines->ts.prev) / 1e9;
printf("\033[H\033[J");
@@ -561,8 +779,6 @@ int main(int argc, char **argv)
for (i = 0; i < engines->num_engines && lines < con_h; i++) {
struct engine *engine = engine_ptr(engines, i);
- unsigned int max_w = con_w - 1;
- unsigned int len;
double val[2];
char buf[128];
@@ -579,7 +795,7 @@ int main(int argc, char **argv)
engine->qd[0],
engine->qd[1],
engine->qd[2]);
- print_percentage_bar(val[0], max_w - len);
+ print_percentage_bar(val[0], con_w - 1 - len);
printf("%s\n", buf);
@@ -587,6 +803,48 @@ int main(int argc, char **argv)
}
printf("\n");
+
+ printf("\033[7m");
+ len = printf("%5s%16s", "PID", "NAME");
+ engine_w = (con_w - len) / engines->num_engines;
+ for (i = 0; i < engines->num_engines && lines < con_h; i++) {
+ struct engine *engine = engine_ptr(engines, i);
+ unsigned int pad = (engine_w - strlen(engine->name)) / 2;
+
+ n_spaces(pad);
+ printf("%s", engine->name);
+ n_spaces(engine_w - pad - strlen(engine->name));
+ len += pad + strlen(engine->name) +
+ (engine_w - pad - strlen(engine->name));
+ }
+ n_spaces(con_w - len);
+ printf("\033[0m\n");
+ lines++;
+
+ qsort(clients, num_clients, sizeof(*c), cmp);
+
+ for_each_client(c, i) {
+ if (lines > con_h)
+ break;
+
+ assert(c->status != PROBE);
+ if (c->status != ALIVE || c->samples < 2)
+ break;
+
+ printf("%5u%16s ", c->pid, c->name);
+
+ for (i = 0; i < engines->num_engines; i++) {
+ double pct;
+
+ pct = (double)c->val[i] / period_us / 1e3 * 100;
+
+ print_percentage_bar(pct, engine_w);
+ }
+
+ putchar('\n');
+ lines++;
+ }
+
}
return 0;
--
2.14.1
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