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overlay: Hide kworker threads in overview

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The kworker threads are used for flip handling and other non-userspace
driver tasks. They are non-blocking and so do not impact upon how
userspace performs, but they do obscure that information in the
overview.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-12-21 13:53:27 +00:00
parent 0be9766952
commit eb799b2994
3 changed files with 23 additions and 4 deletions
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3
overlay/gpu-perf.c
View File

@ -266,6 +266,7 @@ static int wait_begin(struct gpu_perf *gp, const void *event)
return 0;
wait->comm = comm;
wait->comm->active = true;
wait->seqno = sample->raw[2];
wait->time = sample->time;
wait->next = gp->wait[sample->raw[1]];
@ -284,6 +285,8 @@ static int wait_end(struct gpu_perf *gp, const void *event)
continue;
wait->comm->wait_time += sample->time - wait->time;
wait->comm->active = false;
*prev = wait->next;
free(wait);
return 1;

2
overlay/gpu-perf.h
View File

@ -26,6 +26,7 @@
#define GPU_PERF_H
#include <stdint.h>
#include <stdbool.h>
#define MAX_RINGS 4
@ -48,6 +49,7 @@ struct gpu_perf {
struct gpu_perf_comm *next;
char name[256];
pid_t pid;
bool active;
int nr_requests[4];
void *user_data;

22
overlay/overlay.c
View File

@ -362,6 +362,12 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
for (comm = gp->gpu_perf.comm; comm; comm = comm->next) {
int total;
if (comm->name[0] == '\0')
continue;
if (strncmp(comm->name, "kworker", 7) == 0)
continue;
if (comm->user_data == NULL) {
comm->user_data = malloc(sizeof(struct chart));
if (comm->user_data == NULL)
@ -387,11 +393,18 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
}
range[0] = range[1] = 0;
for (comm = gp->gpu_perf.comm; comm; comm = comm->next)
for (comm = gp->gpu_perf.comm; comm; comm = comm->next) {
if (comm->user_data == NULL)
continue;
chart_get_range(comm->user_data, range);
}
y2 = y1 = y;
for (comm = gp->gpu_perf.comm; comm; comm = comm->next) {
if (comm->user_data == NULL)
continue;
chart_set_range(comm->user_data, range[0], range[1]);
chart_draw(comm->user_data, ctx->cr);
y2 += 14;
@ -414,7 +427,7 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
for (prev = &gp->gpu_perf.comm; (comm = *prev) != NULL; ) {
int need_comma = 0, len;
if (comm->name[0] == '\0')
if (comm->user_data == NULL)
goto skip_comm;
len = sprintf(buf, "%s:", comm->name);
@ -467,8 +480,9 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
skip_comm:
memset(comm->nr_requests, 0, sizeof(comm->nr_requests));
if (comm->show < ctx->time - IDLE_TIME ||
strcmp(comm->name, get_comm(comm->pid, buf, sizeof(buf)))) {
if (!comm->active &&
(comm->show < ctx->time - IDLE_TIME ||
strcmp(comm->name, get_comm(comm->pid, buf, sizeof(buf))))) {
*prev = comm->next;
if (comm->user_data) {
chart_fini(comm->user_data);