From: Qiang Yu <yuq825@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: lima@lists.freedesktop.org, David Airlie <airlied@linux.ie>,
Vasily Khoruzhick <anarsoul@gmail.com>,
Andreas Baierl <ichgeh@imkreisrum.de>,
Qiang Yu <yuq825@gmail.com>, Icenowy Zheng <icenowy@aosc.io>,
Erico Nunes <nunes.erico@gmail.com>
Subject: [PATCH 1/5] drm/lima: save process info for debug usage
Date: Sat, 22 Feb 2020 10:42:06 +0800 [thread overview]
Message-ID: <20200222024210.18697-2-yuq825@gmail.com> (raw)
In-Reply-To: <20200222024210.18697-1-yuq825@gmail.com>
When task fail, we can find its process with this information.
Signed-off-by: Qiang Yu <yuq825@gmail.com>
---
drivers/gpu/drm/lima/lima_ctx.c | 3 +++
drivers/gpu/drm/lima/lima_ctx.h | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/lima/lima_ctx.c b/drivers/gpu/drm/lima/lima_ctx.c
index 22fff6caa961..891d5cd5019a 100644
--- a/drivers/gpu/drm/lima/lima_ctx.c
+++ b/drivers/gpu/drm/lima/lima_ctx.c
@@ -27,6 +27,9 @@ int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id)
if (err < 0)
goto err_out0;
+ ctx->pid = task_pid_nr(current);
+ get_task_comm(ctx->pname, current);
+
return 0;
err_out0:
diff --git a/drivers/gpu/drm/lima/lima_ctx.h b/drivers/gpu/drm/lima/lima_ctx.h
index 6154e5c9bfe4..74e2be09090f 100644
--- a/drivers/gpu/drm/lima/lima_ctx.h
+++ b/drivers/gpu/drm/lima/lima_ctx.h
@@ -5,6 +5,7 @@
#define __LIMA_CTX_H__
#include <linux/xarray.h>
+#include <linux/sched.h>
#include "lima_device.h"
@@ -13,6 +14,10 @@ struct lima_ctx {
struct lima_device *dev;
struct lima_sched_context context[lima_pipe_num];
atomic_t guilty;
+
+ /* debug info */
+ char pname[TASK_COMM_LEN];
+ pid_t pid;
};
struct lima_ctx_mgr {
--
2.17.1
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next prev parent reply other threads:[~2020-02-22 2:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-22 2:42 [PATCH 0/5] drm/lima: add error debug functionality Qiang Yu
2020-02-22 2:42 ` Qiang Yu [this message]
2020-02-22 2:42 ` [PATCH 2/5] drm/lima: add max_error_tasks module parameter Qiang Yu
2020-02-22 2:42 ` [PATCH 3/5] drm/lima: save task info dump when task fail Qiang Yu
2020-02-23 2:07 ` kbuild test robot
2020-02-23 2:07 ` kbuild test robot
2020-03-03 9:06 ` Vasily Khoruzhick
2020-03-07 13:44 ` [PATCH v2 3/6] " Qiang Yu
2020-02-22 2:42 ` [PATCH 4/5] drm/lima: add error sysfs to export error task dump Qiang Yu
2020-02-22 2:42 ` [PATCH 5/5] drm/lima: add LIMA_BO_FLAG_FORCE_VA Qiang Yu
2020-03-04 11:40 ` [PATCH 0/5] drm/lima: add error debug functionality Andreas Baierl
2020-03-15 4:33 ` Vasily Khoruzhick
2020-03-22 1:47 ` Qiang Yu
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