From: Oded Gabbay <ogabbay@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Tamir Gilad-Raz <tgiladraz@habana.ai>
Subject: [PATCH 13/26] habanalabs: adjacent timestamps should be more accurate
Date: Thu, 8 Dec 2022 17:13:37 +0200 [thread overview]
Message-ID: <20221208151350.1833823-13-ogabbay@kernel.org> (raw)
In-Reply-To: <20221208151350.1833823-1-ogabbay@kernel.org>
From: Tamir Gilad-Raz <tgiladraz@habana.ai>
timestamp events that expire on the same interrupt will get the same
timestamp value
Signed-off-by: Tamir Gilad-Raz <tgiladraz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
drivers/misc/habanalabs/common/irq.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/habanalabs/common/irq.c b/drivers/misc/habanalabs/common/irq.c
index 94d537fd4fde..8bbcc223df91 100644
--- a/drivers/misc/habanalabs/common/irq.c
+++ b/drivers/misc/habanalabs/common/irq.c
@@ -228,7 +228,7 @@ static void hl_ts_free_objects(struct work_struct *work)
* list to a dedicated workqueue to do the actual put.
*/
static int handle_registration_node(struct hl_device *hdev, struct hl_user_pending_interrupt *pend,
- struct list_head **free_list)
+ struct list_head **free_list, ktime_t now)
{
struct timestamp_reg_free_node *free_node;
u64 timestamp;
@@ -246,7 +246,7 @@ static int handle_registration_node(struct hl_device *hdev, struct hl_user_pendi
if (!free_node)
return -ENOMEM;
- timestamp = ktime_get_ns();
+ timestamp = ktime_to_ns(now);
*pend->ts_reg_info.timestamp_kernel_addr = timestamp;
@@ -298,7 +298,7 @@ static void handle_user_interrupt(struct hl_device *hdev, struct hl_user_interru
if (pend->ts_reg_info.buf) {
if (!reg_node_handle_fail) {
rc = handle_registration_node(hdev, pend,
- &ts_reg_free_list_head);
+ &ts_reg_free_list_head, now);
if (rc)
reg_node_handle_fail = true;
}
--
2.25.1
next prev parent reply other threads:[~2022-12-08 15:15 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-08 15:13 [PATCH 01/26] habanalabs/gaudi2: fix BMON 3rd address range Oded Gabbay
2022-12-08 15:13 ` [PATCH 02/26] habanalabs: read binning info from preboot Oded Gabbay
2022-12-08 15:13 ` [PATCH 03/26] habanalabs: remove releasing of user threads from device release Oded Gabbay
2022-12-08 15:13 ` [PATCH 04/26] habanalabs: abort waiting user threads upon error Oded Gabbay
2022-12-08 15:13 ` [PATCH 05/26] habanalabs: don't notify user about clk throttling due to power Oded Gabbay
2022-12-08 15:13 ` [PATCH 06/26] habanalabs: don't allow user to destroy CB handle more than once Oded Gabbay
2022-12-08 15:13 ` [PATCH 07/26] habanalabs: use dev_dbg() when hl_mmap_mem_buf_get() fails Oded Gabbay
2022-12-08 15:13 ` [PATCH 08/26] habanalabs: make set_dram_properties an ASIC function Oded Gabbay
2022-12-08 15:13 ` [PATCH 09/26] habanalabs: fix double assignment in MMU V1 Oded Gabbay
2022-12-08 15:13 ` [PATCH 10/26] habanalabs: update DRAM props according to preboot data Oded Gabbay
2022-12-08 15:13 ` [PATCH 11/26] habanalabs/gaudi2: count interrupt causes Oded Gabbay
2022-12-08 15:13 ` [PATCH 12/26] habanalabs/gaudi2: remove duplicated event prints Oded Gabbay
2022-12-08 15:13 ` Oded Gabbay [this message]
2022-12-08 15:13 ` [PATCH 14/26] habanalabs: skip device idle check in hpriv_release if in reset Oded Gabbay
2022-12-08 15:13 ` [PATCH 15/26] habanalabs/gaudi2: support abrupt device reset event Oded Gabbay
2022-12-08 15:13 ` [PATCH 16/26] habanalabs: define traces for COMMS protocol Oded Gabbay
2022-12-08 15:13 ` [PATCH 17/26] habanalabs: trace " Oded Gabbay
2022-12-08 15:13 ` [PATCH 18/26] habanalabs: set log level for descriptor validation to debug Oded Gabbay
2022-12-08 15:13 ` [PATCH 19/26] habanalabs: remove support to export dmabuf from handle Oded Gabbay
2022-12-08 15:13 ` [PATCH 20/26] habanalabs: helper function to validate export params Oded Gabbay
2022-12-08 15:13 ` [PATCH 21/26] habanalabs: modify export dmabuf API Oded Gabbay
2022-12-08 15:13 ` [PATCH 22/26] habanalabs: fix dmabuf to export only required size Oded Gabbay
2022-12-08 15:13 ` [PATCH 23/26] habanalabs: fix handling of wait CS for interrupting signals Oded Gabbay
2022-12-08 15:13 ` [PATCH 24/26] habanalabs: put fences in case of unexpected wait status Oded Gabbay
2022-12-08 15:13 ` [PATCH 25/26] habanalabs/gaudi2: wait for preboot ready if HW state is dirty Oded Gabbay
2022-12-08 15:13 ` [PATCH 26/26] habanalabs: fix wrong variable type used for vzalloc Oded Gabbay
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